| jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 17 | import junit.framework.Assert; |
| Alexei Zavjalov | eb24bae | 2014-07-08 16:27:17 +0700 | [diff] [blame] | 18 | import java.util.Arrays; |
| 19 | import java.lang.reflect.Method; |
| jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 20 | |
| 21 | public class Main { |
| Alexei Zavjalov | eb24bae | 2014-07-08 16:27:17 +0700 | [diff] [blame] | 22 | public static void main(String args[]) throws Exception { |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 23 | test_Double_doubleToRawLongBits(); |
| 24 | test_Double_longBitsToDouble(); |
| 25 | test_Float_floatToRawIntBits(); |
| 26 | test_Float_intBitsToFloat(); |
| 27 | test_Math_abs_I(); |
| 28 | test_Math_abs_J(); |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 29 | test_Math_min_I(); |
| 30 | test_Math_max_I(); |
| 31 | test_Math_min_J(); |
| 32 | test_Math_max_J(); |
| 33 | test_Math_min_F(); |
| 34 | test_Math_max_F(); |
| 35 | test_Math_min_D(); |
| 36 | test_Math_max_D(); |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 37 | test_Math_sqrt(); |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 38 | test_Math_ceil(); |
| 39 | test_Math_floor(); |
| 40 | test_Math_rint(); |
| 41 | test_Math_round_D(); |
| 42 | test_Math_round_F(); |
| Chris Larsen | 2714fe6 | 2016-02-11 14:23:53 -0800 | [diff] [blame] | 43 | test_Math_isNaN_D(); |
| 44 | test_Math_isNaN_F(); |
| 45 | test_Math_isInfinite_D(); |
| 46 | test_Math_isInfinite_F(); |
| Zheng Xu | a3fe742 | 2014-07-09 14:03:15 +0800 | [diff] [blame] | 47 | test_Short_reverseBytes(); |
| 48 | test_Integer_reverseBytes(); |
| 49 | test_Long_reverseBytes(); |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 50 | test_Integer_reverse(); |
| 51 | test_Long_reverse(); |
| Scott Wakeling | 611d339 | 2015-07-10 11:42:06 +0100 | [diff] [blame] | 52 | test_Integer_numberOfLeadingZeros(); |
| 53 | test_Long_numberOfLeadingZeros(); |
| Sebastien Hertz | bf1442d | 2013-03-05 15:12:40 +0100 | [diff] [blame] | 54 | test_StrictMath_abs_I(); |
| 55 | test_StrictMath_abs_J(); |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 56 | test_StrictMath_min_I(); |
| 57 | test_StrictMath_max_I(); |
| 58 | test_StrictMath_min_J(); |
| 59 | test_StrictMath_max_J(); |
| 60 | test_StrictMath_min_F(); |
| 61 | test_StrictMath_max_F(); |
| 62 | test_StrictMath_min_D(); |
| 63 | test_StrictMath_max_D(); |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 64 | test_StrictMath_sqrt(); |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 65 | test_StrictMath_ceil(); |
| 66 | test_StrictMath_floor(); |
| 67 | test_StrictMath_rint(); |
| 68 | test_StrictMath_round_D(); |
| 69 | test_StrictMath_round_F(); |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 70 | test_String_charAt(); |
| 71 | test_String_compareTo(); |
| 72 | test_String_indexOf(); |
| 73 | test_String_isEmpty(); |
| 74 | test_String_length(); |
| Andreas Gampe | 7a94961 | 2014-07-08 11:03:59 -0700 | [diff] [blame] | 75 | test_Thread_currentThread(); |
| Alexei Zavjalov | eb24bae | 2014-07-08 16:27:17 +0700 | [diff] [blame] | 76 | initSupportMethodsForPeekPoke(); |
| 77 | test_Memory_peekByte(); |
| 78 | test_Memory_peekShort(); |
| 79 | test_Memory_peekInt(); |
| 80 | test_Memory_peekLong(); |
| 81 | test_Memory_pokeByte(); |
| 82 | test_Memory_pokeShort(); |
| 83 | test_Memory_pokeInt(); |
| 84 | test_Memory_pokeLong(); |
| Andra Danciu | dc787f4 | 2020-07-07 14:28:56 +0000 | [diff] [blame] | 85 | test_Integer_divideUnsigned(); |
| Artem Serov | a3bd4ec | 2020-08-27 16:26:17 +0100 | [diff] [blame^] | 86 | test_Long_divideUnsigned(); |
| Scott Wakeling | 9ee23f4 | 2015-07-23 10:44:35 +0100 | [diff] [blame] | 87 | test_Integer_numberOfTrailingZeros(); |
| 88 | test_Long_numberOfTrailingZeros(); |
| 89 | test_Integer_rotateRight(); |
| 90 | test_Long_rotateRight(); |
| 91 | test_Integer_rotateLeft(); |
| 92 | test_Long_rotateLeft(); |
| 93 | test_Integer_rotateRightLeft(); |
| 94 | test_Long_rotateRightLeft(); |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 95 | } |
| 96 | |
| Andreas Gampe | 7a94961 | 2014-07-08 11:03:59 -0700 | [diff] [blame] | 97 | /** |
| 98 | * Will test inlining Thread.currentThread(). |
| 99 | */ |
| 100 | public static void test_Thread_currentThread() { |
| 101 | // 1. Do not use result. |
| 102 | Thread.currentThread(); |
| 103 | |
| 104 | // 2. Result should not be null. |
| 105 | Assert.assertNotNull(Thread.currentThread()); |
| 106 | } |
| 107 | |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 108 | public static void test_String_length() { |
| 109 | String str0 = ""; |
| 110 | String str1 = "x"; |
| 111 | String str80 = "01234567890123456789012345678901234567890123456789012345678901234567890123456789"; |
| 112 | |
| 113 | Assert.assertEquals(str0.length(), 0); |
| 114 | Assert.assertEquals(str1.length(), 1); |
| 115 | Assert.assertEquals(str80.length(), 80); |
| 116 | |
| 117 | String strNull = null; |
| 118 | try { |
| 119 | strNull.length(); |
| 120 | Assert.fail(); |
| 121 | } catch (NullPointerException expected) { |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | public static void test_String_isEmpty() { |
| 126 | String str0 = ""; |
| 127 | String str1 = "x"; |
| 128 | |
| 129 | Assert.assertTrue(str0.isEmpty()); |
| 130 | Assert.assertFalse(str1.isEmpty()); |
| 131 | |
| 132 | String strNull = null; |
| 133 | try { |
| 134 | strNull.isEmpty(); |
| 135 | Assert.fail(); |
| 136 | } catch (NullPointerException expected) { |
| 137 | } |
| 138 | } |
| 139 | |
| Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 140 | // Break up the charAt tests. The optimizing compiler doesn't optimize methods with try-catch yet, |
| 141 | // so we need to separate out the tests that are expected to throw exception |
| 142 | |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 143 | public static void test_String_charAt() { |
| Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 144 | String testStr = "Now is the time to test some stuff"; |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 145 | |
| Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 146 | Assert.assertEquals(testStr.length() - 1, 33); // 33 = testStr.length()-1 as a constant. |
| 147 | Assert.assertEquals('f', testStr.charAt(33)); |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 148 | |
| Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 149 | test_String_charAt(testStr, 'N', 'o', ' ', 'f'); |
| 150 | test_String_charAt(testStr.substring(3,15), ' ', 'i', 'm', 'e'); |
| 151 | } |
| 152 | public static void test_String_charAt(String testStr, char a, char b, char c, char d) { |
| 153 | Assert.assertEquals(a, testStr.charAt(0)); |
| 154 | Assert.assertEquals(b, testStr.charAt(1)); |
| 155 | Assert.assertEquals(c, testStr.charAt(10)); |
| 156 | Assert.assertEquals(d, testStr.charAt(testStr.length()-1)); |
| 157 | |
| 158 | test_String_charAtExc(testStr); |
| 159 | test_String_charAtExc2(testStr); |
| Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 160 | } |
| 161 | |
| Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 162 | private static void test_String_charAtExc(String testStr) { |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 163 | try { |
| 164 | testStr.charAt(-1); |
| 165 | Assert.fail(); |
| 166 | } catch (StringIndexOutOfBoundsException expected) { |
| 167 | } |
| 168 | try { |
| 169 | testStr.charAt(80); |
| 170 | Assert.fail(); |
| 171 | } catch (StringIndexOutOfBoundsException expected) { |
| jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 172 | } |
| Vladimir Marko | 00ca847 | 2015-01-26 14:06:46 +0000 | [diff] [blame] | 173 | try { |
| Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 174 | if (testStr.length() == 34) { |
| 175 | testStr.charAt(34); // 34 = "Now is the time to test some stuff".length() |
| 176 | } else { |
| 177 | Assert.assertEquals(testStr.length(), 12); // 12 = " is the time".length() |
| 178 | testStr.charAt(12); |
| 179 | } |
| Vladimir Marko | 00ca847 | 2015-01-26 14:06:46 +0000 | [diff] [blame] | 180 | Assert.fail(); |
| 181 | } catch (StringIndexOutOfBoundsException expected) { |
| 182 | } |
| 183 | try { |
| 184 | test_String_charAt_inner(testStr, -1); |
| 185 | Assert.fail(); |
| 186 | } catch (StringIndexOutOfBoundsException expected) { |
| 187 | } |
| 188 | try { |
| 189 | test_String_charAt_inner(testStr, 80); |
| 190 | Assert.fail(); |
| 191 | } catch (StringIndexOutOfBoundsException expected) { |
| 192 | } |
| 193 | try { |
| Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 194 | if (testStr.length() == 34) { |
| 195 | // 34 = "Now is the time to test some stuff".length() |
| 196 | test_String_charAt_inner(testStr, 34); |
| 197 | } else { |
| 198 | Assert.assertEquals(testStr.length(), 12); // 12 = " is the time".length() |
| 199 | test_String_charAt_inner(testStr, 12); |
| 200 | } |
| Vladimir Marko | 00ca847 | 2015-01-26 14:06:46 +0000 | [diff] [blame] | 201 | Assert.fail(); |
| 202 | } catch (StringIndexOutOfBoundsException expected) { |
| 203 | } |
| 204 | |
| 205 | String strEmpty = ""; |
| 206 | try { |
| 207 | strEmpty.charAt(0); |
| 208 | Assert.fail(); |
| 209 | } catch (StringIndexOutOfBoundsException expected) { |
| 210 | } |
| jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 211 | |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 212 | String strNull = null; |
| 213 | try { |
| 214 | strNull.charAt(0); |
| 215 | Assert.fail(); |
| 216 | } catch (NullPointerException expected) { |
| jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 217 | } |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 218 | } |
| jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 219 | |
| Vladimir Marko | 00ca847 | 2015-01-26 14:06:46 +0000 | [diff] [blame] | 220 | private static char test_String_charAt_inner(String s, int index) { |
| 221 | // Using non-constant index here (assuming that this method wasn't inlined). |
| 222 | return s.charAt(index); |
| 223 | } |
| 224 | |
| Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 225 | private static void test_String_charAtExc2(String testStr) { |
| Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 226 | try { |
| Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 227 | test_String_charAtExc3(testStr); |
| 228 | Assert.fail(); |
| 229 | } catch (StringIndexOutOfBoundsException expected) { |
| 230 | } |
| 231 | try { |
| 232 | test_String_charAtExc4(testStr); |
| Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 233 | Assert.fail(); |
| 234 | } catch (StringIndexOutOfBoundsException expected) { |
| 235 | } |
| 236 | } |
| 237 | |
| Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 238 | private static void test_String_charAtExc3(String testStr) { |
| Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 239 | Assert.assertEquals('N', testStr.charAt(-1)); |
| 240 | } |
| 241 | |
| Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 242 | private static void test_String_charAtExc4(String testStr) { |
| 243 | Assert.assertEquals('N', testStr.charAt(100)); |
| 244 | } |
| 245 | |
| Yevgeny Rouban | 34fa0d9 | 2014-03-13 12:15:58 +0700 | [diff] [blame] | 246 | static int start; |
| Alexei Zavjalov | a1758d8 | 2014-04-17 01:55:43 +0700 | [diff] [blame] | 247 | private static int[] negIndex = { -100000 }; |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 248 | public static void test_String_indexOf() { |
| 249 | String str0 = ""; |
| Yevgeny Rouban | 34fa0d9 | 2014-03-13 12:15:58 +0700 | [diff] [blame] | 250 | String str1 = "/"; |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 251 | String str3 = "abc"; |
| 252 | String str10 = "abcdefghij"; |
| 253 | String str40 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabc"; |
| jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 254 | |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 255 | Assert.assertEquals(str0.indexOf('a'), -1); |
| 256 | Assert.assertEquals(str3.indexOf('a'), 0); |
| 257 | Assert.assertEquals(str3.indexOf('b'), 1); |
| 258 | Assert.assertEquals(str3.indexOf('c'), 2); |
| 259 | Assert.assertEquals(str10.indexOf('j'), 9); |
| 260 | Assert.assertEquals(str40.indexOf('a'), 0); |
| 261 | Assert.assertEquals(str40.indexOf('b'), 38); |
| 262 | Assert.assertEquals(str40.indexOf('c'), 39); |
| 263 | Assert.assertEquals(str0.indexOf('a',20), -1); |
| 264 | Assert.assertEquals(str0.indexOf('a',0), -1); |
| 265 | Assert.assertEquals(str0.indexOf('a',-1), -1); |
| Yevgeny Rouban | 34fa0d9 | 2014-03-13 12:15:58 +0700 | [diff] [blame] | 266 | Assert.assertEquals(str1.indexOf('/',++start), -1); |
| Alexei Zavjalov | a1758d8 | 2014-04-17 01:55:43 +0700 | [diff] [blame] | 267 | Assert.assertEquals(str1.indexOf('a',negIndex[0]), -1); |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 268 | Assert.assertEquals(str3.indexOf('a',0), 0); |
| 269 | Assert.assertEquals(str3.indexOf('a',1), -1); |
| 270 | Assert.assertEquals(str3.indexOf('a',1234), -1); |
| 271 | Assert.assertEquals(str3.indexOf('b',0), 1); |
| 272 | Assert.assertEquals(str3.indexOf('b',1), 1); |
| 273 | Assert.assertEquals(str3.indexOf('c',2), 2); |
| 274 | Assert.assertEquals(str10.indexOf('j',5), 9); |
| 275 | Assert.assertEquals(str10.indexOf('j',9), 9); |
| 276 | Assert.assertEquals(str40.indexOf('a',10), 10); |
| 277 | Assert.assertEquals(str40.indexOf('b',40), -1); |
| 278 | |
| Andreas Gampe | 678e695 | 2015-05-07 16:44:58 -0700 | [diff] [blame] | 279 | testIndexOfNull(); |
| 280 | |
| Andreas Gampe | 21030dd | 2015-05-07 14:46:15 -0700 | [diff] [blame] | 281 | // Same data as above, but stored so it's not a literal in the next test. -2 stands for |
| 282 | // indexOf(I) instead of indexOf(II). |
| 283 | start--; |
| 284 | int[][] searchData = { |
| 285 | { 'a', -2, -1 }, |
| 286 | { 'a', -2, 0 }, |
| 287 | { 'b', -2, 1 }, |
| 288 | { 'c', -2, 2 }, |
| 289 | { 'j', -2, 9 }, |
| 290 | { 'a', -2, 0 }, |
| 291 | { 'b', -2, 38 }, |
| 292 | { 'c', -2, 39 }, |
| 293 | { 'a', 20, -1 }, |
| 294 | { 'a', 0, -1 }, |
| 295 | { 'a', -1, -1 }, |
| 296 | { '/', ++start, -1 }, |
| 297 | { 'a', negIndex[0], -1 }, |
| 298 | { 'a', 0, 0 }, |
| 299 | { 'a', 1, -1 }, |
| 300 | { 'a', 1234, -1 }, |
| 301 | { 'b', 0, 1 }, |
| 302 | { 'b', 1, 1 }, |
| 303 | { 'c', 2, 2 }, |
| 304 | { 'j', 5, 9 }, |
| 305 | { 'j', 9, 9 }, |
| 306 | { 'a', 10, 10 }, |
| 307 | { 'b', 40, -1 }, |
| 308 | }; |
| 309 | testStringIndexOfChars(searchData); |
| 310 | |
| Andreas Gampe | 678e695 | 2015-05-07 16:44:58 -0700 | [diff] [blame] | 311 | testSurrogateIndexOf(); |
| 312 | } |
| 313 | |
| Andreas Gampe | 21030dd | 2015-05-07 14:46:15 -0700 | [diff] [blame] | 314 | private static void testStringIndexOfChars(int[][] searchData) { |
| 315 | // Use a try-catch to avoid inlining. |
| 316 | try { |
| 317 | testStringIndexOfCharsImpl(searchData); |
| 318 | } catch (Exception e) { |
| 319 | System.out.println("Unexpected exception"); |
| 320 | } |
| 321 | } |
| 322 | |
| 323 | private static void testStringIndexOfCharsImpl(int[][] searchData) { |
| 324 | String str0 = ""; |
| 325 | String str1 = "/"; |
| 326 | String str3 = "abc"; |
| 327 | String str10 = "abcdefghij"; |
| 328 | String str40 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabc"; |
| 329 | |
| 330 | Assert.assertEquals(str0.indexOf(searchData[0][0]), searchData[0][2]); |
| 331 | Assert.assertEquals(str3.indexOf(searchData[1][0]), searchData[1][2]); |
| 332 | Assert.assertEquals(str3.indexOf(searchData[2][0]), searchData[2][2]); |
| 333 | Assert.assertEquals(str3.indexOf(searchData[3][0]), searchData[3][2]); |
| 334 | Assert.assertEquals(str10.indexOf(searchData[4][0]), searchData[4][2]); |
| 335 | Assert.assertEquals(str40.indexOf(searchData[5][0]), searchData[5][2]); |
| 336 | Assert.assertEquals(str40.indexOf(searchData[6][0]), searchData[6][2]); |
| 337 | Assert.assertEquals(str40.indexOf(searchData[7][0]), searchData[7][2]); |
| 338 | Assert.assertEquals(str0.indexOf(searchData[8][0], searchData[8][1]), searchData[8][2]); |
| 339 | Assert.assertEquals(str0.indexOf(searchData[9][0], searchData[9][1]), searchData[9][2]); |
| 340 | Assert.assertEquals(str0.indexOf(searchData[10][0], searchData[10][1]), searchData[10][2]); |
| 341 | Assert.assertEquals(str1.indexOf(searchData[11][0], searchData[11][1]), searchData[11][2]); |
| 342 | Assert.assertEquals(str1.indexOf(searchData[12][0], searchData[12][1]), searchData[12][2]); |
| 343 | Assert.assertEquals(str3.indexOf(searchData[13][0], searchData[13][1]), searchData[13][2]); |
| 344 | Assert.assertEquals(str3.indexOf(searchData[14][0], searchData[14][1]), searchData[14][2]); |
| 345 | Assert.assertEquals(str3.indexOf(searchData[15][0], searchData[15][1]), searchData[15][2]); |
| 346 | Assert.assertEquals(str3.indexOf(searchData[16][0], searchData[16][1]), searchData[16][2]); |
| 347 | Assert.assertEquals(str3.indexOf(searchData[17][0], searchData[17][1]), searchData[17][2]); |
| 348 | Assert.assertEquals(str3.indexOf(searchData[18][0], searchData[18][1]), searchData[18][2]); |
| 349 | Assert.assertEquals(str10.indexOf(searchData[19][0], searchData[19][1]), searchData[19][2]); |
| 350 | Assert.assertEquals(str10.indexOf(searchData[20][0], searchData[20][1]), searchData[20][2]); |
| 351 | Assert.assertEquals(str40.indexOf(searchData[21][0], searchData[21][1]), searchData[21][2]); |
| 352 | Assert.assertEquals(str40.indexOf(searchData[22][0], searchData[22][1]), searchData[22][2]); |
| 353 | } |
| 354 | |
| Andreas Gampe | 678e695 | 2015-05-07 16:44:58 -0700 | [diff] [blame] | 355 | private static void testSurrogateIndexOf() { |
| 356 | int supplementaryChar = 0x20b9f; |
| 357 | String surrogatePair = "\ud842\udf9f"; |
| 358 | String stringWithSurrogates = "hello " + surrogatePair + " world"; |
| 359 | |
| 360 | Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar), "hello ".length()); |
| 361 | Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 2), "hello ".length()); |
| 362 | Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 6), 6); |
| 363 | Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar, 7), -1); |
| Andreas Gampe | ba6fdbc | 2015-05-07 22:31:55 -0700 | [diff] [blame] | 364 | |
| 365 | Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar - 0x10000), -1); |
| 366 | Assert.assertEquals(stringWithSurrogates.indexOf(supplementaryChar | 0x80000000), -1); |
| Andreas Gampe | 678e695 | 2015-05-07 16:44:58 -0700 | [diff] [blame] | 367 | } |
| 368 | |
| 369 | private static void testIndexOfNull() { |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 370 | String strNull = null; |
| 371 | try { |
| Andreas Gampe | 678e695 | 2015-05-07 16:44:58 -0700 | [diff] [blame] | 372 | testNullIndex(strNull, 'a'); |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 373 | Assert.fail(); |
| 374 | } catch (NullPointerException expected) { |
| jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 375 | } |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 376 | try { |
| Andreas Gampe | 678e695 | 2015-05-07 16:44:58 -0700 | [diff] [blame] | 377 | testNullIndex(strNull, 'a', 0); |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 378 | Assert.fail(); |
| 379 | } catch (NullPointerException expected) { |
| jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 380 | } |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 381 | try { |
| Andreas Gampe | 678e695 | 2015-05-07 16:44:58 -0700 | [diff] [blame] | 382 | testNullIndex(strNull, 'a', -1); |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 383 | Assert.fail(); |
| 384 | } catch (NullPointerException expected) { |
| jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 385 | } |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 386 | } |
| jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 387 | |
| Andreas Gampe | 678e695 | 2015-05-07 16:44:58 -0700 | [diff] [blame] | 388 | private static int testNullIndex(String strNull, int c) { |
| 389 | return strNull.indexOf(c); |
| 390 | } |
| 391 | |
| 392 | private static int testNullIndex(String strNull, int c, int startIndex) { |
| 393 | return strNull.indexOf(c, startIndex); |
| 394 | } |
| 395 | |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 396 | public static void test_String_compareTo() { |
| 397 | String test = "0123456789"; |
| 398 | String test1 = new String("0123456789"); // different object |
| 399 | String test2 = new String("0123456780"); // different value |
| 400 | String offset = new String("xxx0123456789yyy"); |
| 401 | String sub = offset.substring(3, 13); |
| 402 | String str32 = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"; |
| 403 | String str33 = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxy"; |
| 404 | String lc = "abcdefg"; |
| 405 | String uc = "ABCDEFG"; |
| 406 | Object blah = new Object(); |
| 407 | |
| 408 | Assert.assertTrue(lc.toUpperCase().equals(uc)); |
| 409 | |
| 410 | Assert.assertEquals(str32.compareTo(str33), -1); |
| 411 | Assert.assertEquals(str33.compareTo(str32), 1); |
| 412 | |
| 413 | Assert.assertTrue(test.equals(test)); |
| 414 | Assert.assertTrue(test.equals(test1)); |
| 415 | Assert.assertFalse(test.equals(test2)); |
| 416 | |
| 417 | Assert.assertEquals(test.compareTo(test1), 0); |
| 418 | Assert.assertTrue(test1.compareTo(test2) > 0); |
| 419 | Assert.assertTrue(test2.compareTo(test1) < 0); |
| 420 | |
| 421 | // Compare string with a nonzero offset, in left/right side. |
| 422 | Assert.assertEquals(test.compareTo(sub), 0); |
| 423 | Assert.assertEquals(sub.compareTo(test), 0); |
| 424 | Assert.assertTrue(test.equals(sub)); |
| 425 | Assert.assertTrue(sub.equals(test)); |
| 426 | // Same base, one is a substring. |
| 427 | Assert.assertFalse(offset.equals(sub)); |
| 428 | Assert.assertFalse(sub.equals(offset)); |
| 429 | // Wrong class. |
| 430 | Assert.assertFalse(test.equals(blah)); |
| 431 | |
| 432 | // Null lhs - throw. |
| 433 | try { |
| 434 | test.compareTo(null); |
| 435 | Assert.fail("didn't get expected npe"); |
| 436 | } catch (NullPointerException npe) { |
| 437 | } |
| 438 | // Null rhs - okay. |
| 439 | Assert.assertFalse(test.equals(null)); |
| 440 | |
| 441 | test = test.substring(1); |
| 442 | Assert.assertTrue(test.equals("123456789")); |
| 443 | Assert.assertFalse(test.equals(test1)); |
| 444 | |
| 445 | test = test.substring(1); |
| 446 | Assert.assertTrue(test.equals("23456789")); |
| 447 | |
| 448 | test = test.substring(1); |
| 449 | Assert.assertTrue(test.equals("3456789")); |
| 450 | |
| 451 | test = test.substring(1); |
| 452 | Assert.assertTrue(test.equals("456789")); |
| 453 | |
| 454 | test = test.substring(3,5); |
| 455 | Assert.assertTrue(test.equals("78")); |
| 456 | |
| 457 | test = "this/is/a/path"; |
| 458 | String[] strings = test.split("/"); |
| 459 | Assert.assertEquals(4, strings.length); |
| 460 | |
| 461 | Assert.assertEquals("this is a path", test.replaceAll("/", " ")); |
| 462 | Assert.assertEquals("this is a path", test.replace("/", " ")); |
| 463 | } |
| 464 | |
| 465 | public static void test_Math_abs_I() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 466 | Math.abs(-1); |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 467 | Assert.assertEquals(Math.abs(0), 0); |
| 468 | Assert.assertEquals(Math.abs(123), 123); |
| 469 | Assert.assertEquals(Math.abs(-123), 123); |
| 470 | Assert.assertEquals(Math.abs(Integer.MAX_VALUE), Integer.MAX_VALUE); |
| 471 | Assert.assertEquals(Math.abs(Integer.MIN_VALUE), Integer.MIN_VALUE); |
| 472 | Assert.assertEquals(Math.abs(Integer.MIN_VALUE - 1), Integer.MAX_VALUE); |
| Sebastien Hertz | bf1442d | 2013-03-05 15:12:40 +0100 | [diff] [blame] | 473 | Assert.assertEquals(Math.abs(Integer.MIN_VALUE + 1), Integer.MAX_VALUE); |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 474 | } |
| 475 | |
| 476 | public static void test_Math_abs_J() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 477 | Math.abs(-1L); |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 478 | Assert.assertEquals(Math.abs(0L), 0L); |
| 479 | Assert.assertEquals(Math.abs(123L), 123L); |
| 480 | Assert.assertEquals(Math.abs(-123L), 123L); |
| 481 | Assert.assertEquals(Math.abs(Long.MAX_VALUE), Long.MAX_VALUE); |
| 482 | Assert.assertEquals(Math.abs(Long.MIN_VALUE), Long.MIN_VALUE); |
| 483 | Assert.assertEquals(Math.abs(Long.MIN_VALUE - 1), Long.MAX_VALUE); |
| Andreas Gampe | 2bcf9bf | 2015-01-29 09:56:07 -0800 | [diff] [blame] | 484 | Assert.assertEquals(Math.abs(2147483648L), 2147483648L); |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 485 | } |
| 486 | |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 487 | public static void test_Math_min_I() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 488 | Math.min(1, 0); |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 489 | Assert.assertEquals(Math.min(0, 0), 0); |
| 490 | Assert.assertEquals(Math.min(1, 0), 0); |
| 491 | Assert.assertEquals(Math.min(0, 1), 0); |
| 492 | Assert.assertEquals(Math.min(0, Integer.MAX_VALUE), 0); |
| 493 | Assert.assertEquals(Math.min(Integer.MIN_VALUE, 0), Integer.MIN_VALUE); |
| 494 | Assert.assertEquals(Math.min(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MIN_VALUE); |
| 495 | } |
| 496 | |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 497 | public static void test_Math_max_I() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 498 | Math.max(1, 0); |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 499 | Assert.assertEquals(Math.max(0, 0), 0); |
| 500 | Assert.assertEquals(Math.max(1, 0), 1); |
| 501 | Assert.assertEquals(Math.max(0, 1), 1); |
| 502 | Assert.assertEquals(Math.max(0, Integer.MAX_VALUE), Integer.MAX_VALUE); |
| 503 | Assert.assertEquals(Math.max(Integer.MIN_VALUE, 0), 0); |
| 504 | Assert.assertEquals(Math.max(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MAX_VALUE); |
| 505 | } |
| 506 | |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 507 | public static void test_Math_min_J() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 508 | Math.min(1L, 0L); |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 509 | Assert.assertEquals(Math.min(0L, 0L), 0L); |
| 510 | Assert.assertEquals(Math.min(1L, 0L), 0L); |
| 511 | Assert.assertEquals(Math.min(0L, 1L), 0L); |
| 512 | Assert.assertEquals(Math.min(0L, Long.MAX_VALUE), 0L); |
| 513 | Assert.assertEquals(Math.min(Long.MIN_VALUE, 0L), Long.MIN_VALUE); |
| 514 | Assert.assertEquals(Math.min(Long.MIN_VALUE, Long.MAX_VALUE), Long.MIN_VALUE); |
| 515 | } |
| 516 | |
| 517 | public static void test_Math_max_J() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 518 | Math.max(1L, 0L); |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 519 | Assert.assertEquals(Math.max(0L, 0L), 0L); |
| 520 | Assert.assertEquals(Math.max(1L, 0L), 1L); |
| 521 | Assert.assertEquals(Math.max(0L, 1L), 1L); |
| 522 | Assert.assertEquals(Math.max(0L, Long.MAX_VALUE), Long.MAX_VALUE); |
| 523 | Assert.assertEquals(Math.max(Long.MIN_VALUE, 0L), 0L); |
| 524 | Assert.assertEquals(Math.max(Long.MIN_VALUE, Long.MAX_VALUE), Long.MAX_VALUE); |
| 525 | } |
| 526 | |
| 527 | public static void test_Math_min_F() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 528 | Math.min(1.0f, Float.NaN); |
| Alexei Zavjalov | 1222c96 | 2014-07-16 00:54:13 +0700 | [diff] [blame] | 529 | Assert.assertTrue(Float.isNaN(Math.min(1.0f, Float.NaN))); |
| 530 | Assert.assertTrue(Float.isNaN(Math.min(Float.NaN, 1.0f))); |
| 531 | Assert.assertEquals(Math.min(-0.0f, 0.0f), -0.0f); |
| 532 | Assert.assertEquals(Math.min(0.0f, -0.0f), -0.0f); |
| 533 | Assert.assertEquals(Math.min(-0.0f, -0.0f), -0.0f); |
| 534 | Assert.assertEquals(Math.min(0.0f, 0.0f), 0.0f); |
| 535 | Assert.assertEquals(Math.min(1.0f, 0.0f), 0.0f); |
| 536 | Assert.assertEquals(Math.min(0.0f, 1.0f), 0.0f); |
| 537 | Assert.assertEquals(Math.min(0.0f, Float.MAX_VALUE), 0.0f); |
| 538 | Assert.assertEquals(Math.min(Float.MIN_VALUE, 0.0f), 0.0f); |
| 539 | Assert.assertEquals(Math.min(Float.MIN_VALUE, Float.MAX_VALUE), Float.MIN_VALUE); |
| xueliang.zhong | c032e74 | 2016-03-28 16:44:32 +0100 | [diff] [blame] | 540 | // Should not have flush-to-zero behavior. |
| 541 | Assert.assertEquals(Math.min(Float.MIN_VALUE, Float.MIN_VALUE), Float.MIN_VALUE); |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 542 | } |
| 543 | |
| 544 | public static void test_Math_max_F() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 545 | Math.max(1.0f, Float.NaN); |
| Alexei Zavjalov | 1222c96 | 2014-07-16 00:54:13 +0700 | [diff] [blame] | 546 | Assert.assertTrue(Float.isNaN(Math.max(1.0f, Float.NaN))); |
| 547 | Assert.assertTrue(Float.isNaN(Math.max(Float.NaN, 1.0f))); |
| 548 | Assert.assertEquals(Math.max(-0.0f, 0.0f), 0.0f); |
| 549 | Assert.assertEquals(Math.max(0.0f, -0.0f), 0.0f); |
| 550 | Assert.assertEquals(Math.max(-0.0f, -0.0f), -0.0f); |
| 551 | Assert.assertEquals(Math.max(0.0f, 0.0f), 0.0f); |
| 552 | Assert.assertEquals(Math.max(1.0f, 0.0f), 1.0f); |
| 553 | Assert.assertEquals(Math.max(0.0f, 1.0f), 1.0f); |
| 554 | Assert.assertEquals(Math.max(0.0f, Float.MAX_VALUE), Float.MAX_VALUE); |
| Alexei Zavjalov | 1222c96 | 2014-07-16 00:54:13 +0700 | [diff] [blame] | 555 | Assert.assertEquals(Math.max(Float.MIN_VALUE, Float.MAX_VALUE), Float.MAX_VALUE); |
| xueliang.zhong | c032e74 | 2016-03-28 16:44:32 +0100 | [diff] [blame] | 556 | // Should not have flush-to-zero behavior. |
| 557 | Assert.assertEquals(Math.max(Float.MIN_VALUE, 0.0f), Float.MIN_VALUE); |
| 558 | Assert.assertEquals(Math.max(Float.MIN_VALUE, Float.MIN_VALUE), Float.MIN_VALUE); |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 559 | } |
| 560 | |
| 561 | public static void test_Math_min_D() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 562 | Math.min(1.0d, Double.NaN); |
| Alexei Zavjalov | 1222c96 | 2014-07-16 00:54:13 +0700 | [diff] [blame] | 563 | Assert.assertTrue(Double.isNaN(Math.min(1.0d, Double.NaN))); |
| 564 | Assert.assertTrue(Double.isNaN(Math.min(Double.NaN, 1.0d))); |
| 565 | Assert.assertEquals(Math.min(-0.0d, 0.0d), -0.0d); |
| 566 | Assert.assertEquals(Math.min(0.0d, -0.0d), -0.0d); |
| 567 | Assert.assertEquals(Math.min(-0.0d, -0.0d), -0.0d); |
| 568 | Assert.assertEquals(Math.min(0.0d, 0.0d), 0.0d); |
| 569 | Assert.assertEquals(Math.min(1.0d, 0.0d), 0.0d); |
| 570 | Assert.assertEquals(Math.min(0.0d, 1.0d), 0.0d); |
| 571 | Assert.assertEquals(Math.min(0.0d, Double.MAX_VALUE), 0.0d); |
| 572 | Assert.assertEquals(Math.min(Double.MIN_VALUE, 0.0d), 0.0d); |
| 573 | Assert.assertEquals(Math.min(Double.MIN_VALUE, Double.MAX_VALUE), Double.MIN_VALUE); |
| xueliang.zhong | c032e74 | 2016-03-28 16:44:32 +0100 | [diff] [blame] | 574 | // Should not have flush-to-zero behavior. |
| 575 | Assert.assertEquals(Math.min(Double.MIN_VALUE, Double.MIN_VALUE), Double.MIN_VALUE); |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 576 | } |
| 577 | |
| 578 | public static void test_Math_max_D() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 579 | Math.max(1.0d, Double.NaN); |
| Alexei Zavjalov | 1222c96 | 2014-07-16 00:54:13 +0700 | [diff] [blame] | 580 | Assert.assertTrue(Double.isNaN(Math.max(1.0d, Double.NaN))); |
| 581 | Assert.assertTrue(Double.isNaN(Math.max(Double.NaN, 1.0d))); |
| 582 | Assert.assertEquals(Math.max(-0.0d, 0.0d), 0.0d); |
| 583 | Assert.assertEquals(Math.max(0.0d, -0.0d), 0.0d); |
| 584 | Assert.assertEquals(Math.max(-0.0d, -0.0d), -0.0d); |
| 585 | Assert.assertEquals(Math.max(0.0d, 0.0d), 0.0d); |
| 586 | Assert.assertEquals(Math.max(1.0d, 0.0d), 1.0d); |
| 587 | Assert.assertEquals(Math.max(0.0d, 1.0d), 1.0d); |
| 588 | Assert.assertEquals(Math.max(0.0d, Double.MAX_VALUE), Double.MAX_VALUE); |
| 589 | Assert.assertEquals(Math.max(Double.MIN_VALUE, 0.0d), Double.MIN_VALUE); |
| 590 | Assert.assertEquals(Math.max(Double.MIN_VALUE, Double.MAX_VALUE), Double.MAX_VALUE); |
| xueliang.zhong | c032e74 | 2016-03-28 16:44:32 +0100 | [diff] [blame] | 591 | // Should not have flush-to-zero behavior. |
| 592 | Assert.assertEquals(Math.max(Double.MIN_VALUE, 0.0d), Double.MIN_VALUE); |
| 593 | Assert.assertEquals(Math.max(Double.MIN_VALUE, Double.MIN_VALUE), Double.MIN_VALUE); |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 594 | } |
| 595 | |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 596 | public static void test_Math_sqrt() { |
| 597 | Math.sqrt(+4.0); |
| 598 | Assert.assertEquals(Math.sqrt(+4.0), +2.0d, 0.0); |
| 599 | Assert.assertEquals(Math.sqrt(+49.0), +7.0d, 0.0); |
| 600 | Assert.assertEquals(Math.sqrt(+1.44), +1.2d, 0.0); |
| 601 | } |
| 602 | |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 603 | public static void test_Math_ceil() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 604 | Math.ceil(-0.9); |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 605 | Assert.assertEquals(Math.ceil(+0.0), +0.0d, 0.0); |
| 606 | Assert.assertEquals(Math.ceil(-0.0), -0.0d, 0.0); |
| 607 | Assert.assertEquals(Math.ceil(-0.9), -0.0d, 0.0); |
| 608 | Assert.assertEquals(Math.ceil(-0.5), -0.0d, 0.0); |
| 609 | Assert.assertEquals(Math.ceil(0.0), -0.0d, 0.0); |
| 610 | Assert.assertEquals(Math.ceil(+2.0), +2.0d, 0.0); |
| 611 | Assert.assertEquals(Math.ceil(+2.1), +3.0d, 0.0); |
| 612 | Assert.assertEquals(Math.ceil(+2.5), +3.0d, 0.0); |
| 613 | Assert.assertEquals(Math.ceil(+2.9), +3.0d, 0.0); |
| 614 | Assert.assertEquals(Math.ceil(+3.0), +3.0d, 0.0); |
| 615 | Assert.assertEquals(Math.ceil(-2.0), -2.0d, 0.0); |
| 616 | Assert.assertEquals(Math.ceil(-2.1), -2.0d, 0.0); |
| 617 | Assert.assertEquals(Math.ceil(-2.5), -2.0d, 0.0); |
| 618 | Assert.assertEquals(Math.ceil(-2.9), -2.0d, 0.0); |
| 619 | Assert.assertEquals(Math.ceil(-3.0), -3.0d, 0.0); |
| Chris Larsen | 8283109 | 2015-08-25 09:06:58 -0700 | [diff] [blame] | 620 | // 2^52 - 1.5 |
| 621 | Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x432FFFFFFFFFFFFDl)), |
| 622 | Double.longBitsToDouble(0x432FFFFFFFFFFFFEl), 0.0); |
| 623 | // 2^52 - 0.5 |
| 624 | Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x432FFFFFFFFFFFFFl)), |
| 625 | Double.longBitsToDouble(0x4330000000000000l), 0.0); |
| 626 | // 2^52 |
| 627 | Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x4330000000000000l)), |
| 628 | Double.longBitsToDouble(0x4330000000000000l), 0.0); |
| 629 | // 2^53 - 1 |
| 630 | Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x433FFFFFFFFFFFFFl)), |
| 631 | Double.longBitsToDouble(0x433FFFFFFFFFFFFFl), 0.0); |
| 632 | // 2^53 |
| 633 | Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x4340000000000000l)), |
| 634 | Double.longBitsToDouble(0x4340000000000000l), 0.0); |
| 635 | // 2^63 - 2^10 |
| 636 | Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x43DFFFFFFFFFFFFFl)), |
| 637 | Double.longBitsToDouble(0x43DFFFFFFFFFFFFFl), 0.0); |
| 638 | // 2^63 |
| 639 | Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x43E0000000000000l)), |
| 640 | Double.longBitsToDouble(0x43E0000000000000l), 0.0); |
| 641 | // 2^64 |
| 642 | Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0x43F0000000000000l)), |
| 643 | Double.longBitsToDouble(0x43F0000000000000l), 0.0); |
| 644 | // -(2^52 - 1.5) |
| 645 | Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC32FFFFFFFFFFFFDl)), |
| 646 | Double.longBitsToDouble(0xC32FFFFFFFFFFFFCl), 0.0); |
| 647 | // -(2^52 - 0.5) |
| 648 | Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC32FFFFFFFFFFFFFl)), |
| 649 | Double.longBitsToDouble(0xC32FFFFFFFFFFFFEl), 0.0); |
| 650 | // -2^52 |
| 651 | Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC330000000000000l)), |
| 652 | Double.longBitsToDouble(0xC330000000000000l), 0.0); |
| 653 | // -(2^53 - 1) |
| 654 | Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC33FFFFFFFFFFFFFl)), |
| 655 | Double.longBitsToDouble(0xC33FFFFFFFFFFFFFl), 0.0); |
| 656 | // -2^53 |
| 657 | Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC340000000000000l)), |
| 658 | Double.longBitsToDouble(0xC340000000000000l), 0.0); |
| 659 | // -(2^63 - 2^10) |
| 660 | Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC3DFFFFFFFFFFFFFl)), |
| 661 | Double.longBitsToDouble(0xC3DFFFFFFFFFFFFFl), 0.0); |
| 662 | // -2^63 |
| 663 | Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC3E0000000000000l)), |
| 664 | Double.longBitsToDouble(0xC3E0000000000000l), 0.0); |
| 665 | // -2^64 |
| 666 | Assert.assertEquals(Math.ceil(Double.longBitsToDouble(0xC3F0000000000000l)), |
| 667 | Double.longBitsToDouble(0xC3F0000000000000l), 0.0); |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 668 | Assert.assertEquals(Math.ceil(Double.NaN), Double.NaN, 0.0); |
| 669 | Assert.assertEquals(Math.ceil(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0); |
| 670 | Assert.assertEquals(Math.ceil(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0); |
| 671 | } |
| 672 | |
| 673 | public static void test_Math_floor() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 674 | Math.floor(+2.1); |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 675 | Assert.assertEquals(Math.floor(+0.0), +0.0d, 0.0); |
| 676 | Assert.assertEquals(Math.floor(-0.0), -0.0d, 0.0); |
| 677 | Assert.assertEquals(Math.floor(+2.0), +2.0d, 0.0); |
| 678 | Assert.assertEquals(Math.floor(+2.1), +2.0d, 0.0); |
| 679 | Assert.assertEquals(Math.floor(+2.5), +2.0d, 0.0); |
| 680 | Assert.assertEquals(Math.floor(+2.9), +2.0d, 0.0); |
| 681 | Assert.assertEquals(Math.floor(+3.0), +3.0d, 0.0); |
| 682 | Assert.assertEquals(Math.floor(-2.0), -2.0d, 0.0); |
| 683 | Assert.assertEquals(Math.floor(-2.1), -3.0d, 0.0); |
| 684 | Assert.assertEquals(Math.floor(-2.5), -3.0d, 0.0); |
| 685 | Assert.assertEquals(Math.floor(-2.9), -3.0d, 0.0); |
| 686 | Assert.assertEquals(Math.floor(-3.0), -3.0d, 0.0); |
| Chris Larsen | 8283109 | 2015-08-25 09:06:58 -0700 | [diff] [blame] | 687 | // 2^52 - 1.5 |
| 688 | Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x432FFFFFFFFFFFFDl)), |
| 689 | Double.longBitsToDouble(0x432FFFFFFFFFFFFCl), 0.0); |
| 690 | // 2^52 - 0.5 |
| 691 | Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x432FFFFFFFFFFFFFl)), |
| 692 | Double.longBitsToDouble(0x432FFFFFFFFFFFFEl), 0.0); |
| 693 | // 2^52 |
| 694 | Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x4330000000000000l)), |
| 695 | Double.longBitsToDouble(0x4330000000000000l), 0.0); |
| 696 | // 2^53 - 1 |
| 697 | Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x433FFFFFFFFFFFFFl)), |
| 698 | Double.longBitsToDouble(0x433FFFFFFFFFFFFFl), 0.0); |
| 699 | // 2^53 |
| 700 | Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x4340000000000000l)), |
| 701 | Double.longBitsToDouble(0x4340000000000000l), 0.0); |
| 702 | // 2^63 - 2^10 |
| 703 | Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x43DFFFFFFFFFFFFFl)), |
| 704 | Double.longBitsToDouble(0x43DFFFFFFFFFFFFFl), 0.0); |
| 705 | // 2^63 |
| 706 | Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x43E0000000000000l)), |
| 707 | Double.longBitsToDouble(0x43E0000000000000l), 0.0); |
| 708 | // 2^64 |
| 709 | Assert.assertEquals(Math.floor(Double.longBitsToDouble(0x43F0000000000000l)), |
| 710 | Double.longBitsToDouble(0x43F0000000000000l), 0.0); |
| 711 | // -(2^52 - 1.5) |
| 712 | Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC32FFFFFFFFFFFFDl)), |
| 713 | Double.longBitsToDouble(0xC32FFFFFFFFFFFFEl), 0.0); |
| 714 | // -(2^52 - 0.5) |
| 715 | Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC32FFFFFFFFFFFFFl)), |
| 716 | Double.longBitsToDouble(0xC330000000000000l), 0.0); |
| 717 | // -2^52 |
| 718 | Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC330000000000000l)), |
| 719 | Double.longBitsToDouble(0xC330000000000000l), 0.0); |
| 720 | // -(2^53 - 1) |
| 721 | Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC33FFFFFFFFFFFFFl)), |
| 722 | Double.longBitsToDouble(0xC33FFFFFFFFFFFFFl), 0.0); |
| 723 | // -2^53 |
| 724 | Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC340000000000000l)), |
| 725 | Double.longBitsToDouble(0xC340000000000000l), 0.0); |
| 726 | // -(2^63 - 2^10) |
| 727 | Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC3DFFFFFFFFFFFFFl)), |
| 728 | Double.longBitsToDouble(0xC3DFFFFFFFFFFFFFl), 0.0); |
| 729 | // -2^63 |
| 730 | Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC3E0000000000000l)), |
| 731 | Double.longBitsToDouble(0xC3E0000000000000l), 0.0); |
| 732 | // -2^64 |
| 733 | Assert.assertEquals(Math.floor(Double.longBitsToDouble(0xC3F0000000000000l)), |
| 734 | Double.longBitsToDouble(0xC3F0000000000000l), 0.0); |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 735 | Assert.assertEquals(Math.floor(Double.NaN), Double.NaN, 0.0); |
| 736 | Assert.assertEquals(Math.floor(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0); |
| 737 | Assert.assertEquals(Math.floor(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0); |
| 738 | } |
| 739 | |
| 740 | public static void test_Math_rint() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 741 | Math.rint(+2.1); |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 742 | Assert.assertEquals(Math.rint(+0.0), +0.0d, 0.0); |
| 743 | Assert.assertEquals(Math.rint(-0.0), -0.0d, 0.0); |
| xueliang.zhong | 6099d5e | 2016-04-20 18:44:56 +0100 | [diff] [blame] | 744 | Assert.assertEquals(Math.rint(+0.5), +0.0d, 0.0); // expects tie-to-even |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 745 | Assert.assertEquals(Math.rint(+2.0), +2.0d, 0.0); |
| 746 | Assert.assertEquals(Math.rint(+2.1), +2.0d, 0.0); |
| xueliang.zhong | 6099d5e | 2016-04-20 18:44:56 +0100 | [diff] [blame] | 747 | Assert.assertEquals(Math.rint(+2.5), +2.0d, 0.0); // expects tie-to-even |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 748 | Assert.assertEquals(Math.rint(+2.9), +3.0d, 0.0); |
| 749 | Assert.assertEquals(Math.rint(+3.0), +3.0d, 0.0); |
| xueliang.zhong | 6099d5e | 2016-04-20 18:44:56 +0100 | [diff] [blame] | 750 | Assert.assertEquals(Math.rint(+3.5), +4.0d, 0.0); // expects tie-to-even |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 751 | Assert.assertEquals(Math.rint(-2.0), -2.0d, 0.0); |
| 752 | Assert.assertEquals(Math.rint(-2.1), -2.0d, 0.0); |
| xueliang.zhong | 6099d5e | 2016-04-20 18:44:56 +0100 | [diff] [blame] | 753 | Assert.assertEquals(Math.rint(-2.5), -2.0d, 0.0); // expects tie-to-even |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 754 | Assert.assertEquals(Math.rint(-2.9), -3.0d, 0.0); |
| 755 | Assert.assertEquals(Math.rint(-3.0), -3.0d, 0.0); |
| xueliang.zhong | 6099d5e | 2016-04-20 18:44:56 +0100 | [diff] [blame] | 756 | Assert.assertEquals(Math.rint(-3.5), -4.0d, 0.0); // expects tie-to-even |
| Chris Larsen | 8283109 | 2015-08-25 09:06:58 -0700 | [diff] [blame] | 757 | // 2^52 - 1.5 |
| 758 | Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x432FFFFFFFFFFFFDl)), |
| 759 | Double.longBitsToDouble(0x432FFFFFFFFFFFFCl), 0.0); |
| 760 | // 2^52 - 0.5 |
| 761 | Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x432FFFFFFFFFFFFFl)), |
| 762 | Double.longBitsToDouble(0x4330000000000000l), 0.0); |
| 763 | // 2^52 |
| 764 | Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x4330000000000000l)), |
| 765 | Double.longBitsToDouble(0x4330000000000000l), 0.0); |
| 766 | // 2^53 - 1 |
| 767 | Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x433FFFFFFFFFFFFFl)), |
| 768 | Double.longBitsToDouble(0x433FFFFFFFFFFFFFl), 0.0); |
| 769 | // 2^53 |
| 770 | Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x4340000000000000l)), |
| 771 | Double.longBitsToDouble(0x4340000000000000l), 0.0); |
| 772 | // 2^63 - 2^10 |
| 773 | Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x43DFFFFFFFFFFFFFl)), |
| 774 | Double.longBitsToDouble(0x43DFFFFFFFFFFFFFl), 0.0); |
| 775 | // 2^63 |
| 776 | Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x43E0000000000000l)), |
| 777 | Double.longBitsToDouble(0x43E0000000000000l), 0.0); |
| 778 | // 2^64 |
| 779 | Assert.assertEquals(Math.rint(Double.longBitsToDouble(0x43F0000000000000l)), |
| 780 | Double.longBitsToDouble(0x43F0000000000000l), 0.0); |
| 781 | // -(2^52 - 1.5) |
| 782 | Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC32FFFFFFFFFFFFDl)), |
| 783 | Double.longBitsToDouble(0xC32FFFFFFFFFFFFCl), 0.0); |
| 784 | // -(2^52 - 0.5) |
| 785 | Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC32FFFFFFFFFFFFFl)), |
| 786 | Double.longBitsToDouble(0xC330000000000000l), 0.0); |
| 787 | // -2^52 |
| 788 | Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC330000000000000l)), |
| 789 | Double.longBitsToDouble(0xC330000000000000l), 0.0); |
| 790 | // -(2^53 - 1) |
| 791 | Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC33FFFFFFFFFFFFFl)), |
| 792 | Double.longBitsToDouble(0xC33FFFFFFFFFFFFFl), 0.0); |
| 793 | // -2^53 |
| 794 | Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC340000000000000l)), |
| 795 | Double.longBitsToDouble(0xC340000000000000l), 0.0); |
| 796 | // -(2^63 - 2^10) |
| 797 | Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC3DFFFFFFFFFFFFFl)), |
| 798 | Double.longBitsToDouble(0xC3DFFFFFFFFFFFFFl), 0.0); |
| 799 | // -2^63 |
| 800 | Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC3E0000000000000l)), |
| 801 | Double.longBitsToDouble(0xC3E0000000000000l), 0.0); |
| 802 | // -2^64 |
| 803 | Assert.assertEquals(Math.rint(Double.longBitsToDouble(0xC3F0000000000000l)), |
| 804 | Double.longBitsToDouble(0xC3F0000000000000l), 0.0); |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 805 | Assert.assertEquals(Math.rint(Double.NaN), Double.NaN, 0.0); |
| 806 | Assert.assertEquals(Math.rint(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0); |
| 807 | Assert.assertEquals(Math.rint(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0); |
| 808 | } |
| 809 | |
| 810 | public static void test_Math_round_D() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 811 | Math.round(2.1d); |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 812 | Assert.assertEquals(Math.round(+0.0d), (long)+0.0); |
| 813 | Assert.assertEquals(Math.round(-0.0d), (long)+0.0); |
| 814 | Assert.assertEquals(Math.round(2.0d), 2l); |
| 815 | Assert.assertEquals(Math.round(2.1d), 2l); |
| 816 | Assert.assertEquals(Math.round(2.5d), 3l); |
| 817 | Assert.assertEquals(Math.round(2.9d), 3l); |
| 818 | Assert.assertEquals(Math.round(3.0d), 3l); |
| 819 | Assert.assertEquals(Math.round(-2.0d), -2l); |
| 820 | Assert.assertEquals(Math.round(-2.1d), -2l); |
| 821 | Assert.assertEquals(Math.round(-2.5d), -2l); |
| 822 | Assert.assertEquals(Math.round(-2.9d), -3l); |
| 823 | Assert.assertEquals(Math.round(-3.0d), -3l); |
| Yi Kong | 879ca67 | 2015-11-18 14:11:44 +0000 | [diff] [blame] | 824 | Assert.assertEquals(Math.round(0.49999999999999994d), 0l); |
| Chris Larsen | 7adaab0 | 2016-04-21 14:49:20 -0700 | [diff] [blame] | 825 | Assert.assertEquals(Math.round(4503599627370495.0d), 4503599627370495l); // 2^52 - 1 |
| 826 | Assert.assertEquals(Math.round(4503599627370495.5d), 4503599627370496l); // 2^52 - 0.5 |
| 827 | Assert.assertEquals(Math.round(4503599627370496.0d), 4503599627370496l); // 2^52 |
| 828 | Assert.assertEquals(Math.round(-4503599627370495.0d), -4503599627370495l); // -(2^52 - 1) |
| 829 | Assert.assertEquals(Math.round(-4503599627370495.5d), -4503599627370495l); // -(2^52 - 0.5) |
| 830 | Assert.assertEquals(Math.round(-4503599627370496.0d), -4503599627370496l); // -2^52 |
| Hans Boehm | 92d4f0e | 2016-02-17 12:14:03 -0800 | [diff] [blame] | 831 | Assert.assertEquals(Math.round(9007199254740991.0d), 9007199254740991l); // 2^53 - 1 |
| Chris Larsen | f09d532 | 2016-04-22 12:06:34 -0700 | [diff] [blame] | 832 | Assert.assertEquals(Math.round(-9007199254740991.0d), -9007199254740991l); // -(2^53 - 1) |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 833 | Assert.assertEquals(Math.round(Double.NaN), (long)+0.0d); |
| 834 | Assert.assertEquals(Math.round(Long.MAX_VALUE + 1.0d), Long.MAX_VALUE); |
| 835 | Assert.assertEquals(Math.round(Long.MIN_VALUE - 1.0d), Long.MIN_VALUE); |
| Chris Larsen | 7adaab0 | 2016-04-21 14:49:20 -0700 | [diff] [blame] | 836 | Assert.assertEquals(Math.round(Double.longBitsToDouble(0x43F0000000000000l)), |
| 837 | Long.MAX_VALUE); // 2^64 |
| 838 | Assert.assertEquals(Math.round(Double.longBitsToDouble(0xC3F0000000000000l)), |
| 839 | Long.MIN_VALUE); // -2^64 |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 840 | Assert.assertEquals(Math.round(Double.POSITIVE_INFINITY), Long.MAX_VALUE); |
| 841 | Assert.assertEquals(Math.round(Double.NEGATIVE_INFINITY), Long.MIN_VALUE); |
| 842 | } |
| 843 | |
| 844 | public static void test_Math_round_F() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 845 | Math.round(2.1f); |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 846 | Assert.assertEquals(Math.round(+0.0f), (int)+0.0); |
| 847 | Assert.assertEquals(Math.round(-0.0f), (int)+0.0); |
| 848 | Assert.assertEquals(Math.round(2.0f), 2); |
| 849 | Assert.assertEquals(Math.round(2.1f), 2); |
| 850 | Assert.assertEquals(Math.round(2.5f), 3); |
| 851 | Assert.assertEquals(Math.round(2.9f), 3); |
| 852 | Assert.assertEquals(Math.round(3.0f), 3); |
| 853 | Assert.assertEquals(Math.round(-2.0f), -2); |
| 854 | Assert.assertEquals(Math.round(-2.1f), -2); |
| 855 | Assert.assertEquals(Math.round(-2.5f), -2); |
| 856 | Assert.assertEquals(Math.round(-2.9f), -3); |
| 857 | Assert.assertEquals(Math.round(-3.0f), -3); |
| Chris Larsen | b74353a | 2015-11-20 09:07:09 -0800 | [diff] [blame] | 858 | // 0.4999999701976776123046875 |
| 859 | Assert.assertEquals(Math.round(Float.intBitsToFloat(0x3EFFFFFF)), (int)+0.0f); |
| Chris Larsen | f09d532 | 2016-04-22 12:06:34 -0700 | [diff] [blame] | 860 | Assert.assertEquals(Math.round(8388607.0f), 8388607); // 2^23 - 1 |
| 861 | Assert.assertEquals(Math.round(8388607.5f), 8388608); // 2^23 - 0.5 |
| 862 | Assert.assertEquals(Math.round(8388608.0f), 8388608); // 2^23 |
| 863 | Assert.assertEquals(Math.round(-8388607.0f), -8388607); // -(2^23 - 1) |
| 864 | Assert.assertEquals(Math.round(-8388607.5f), -8388607); // -(2^23 - 0.5) |
| 865 | Assert.assertEquals(Math.round(-8388608.0f), -8388608); // -2^23 |
| Hans Boehm | 92d4f0e | 2016-02-17 12:14:03 -0800 | [diff] [blame] | 866 | Assert.assertEquals(Math.round(16777215.0f), 16777215); // 2^24 - 1 |
| Chris Larsen | f09d532 | 2016-04-22 12:06:34 -0700 | [diff] [blame] | 867 | Assert.assertEquals(Math.round(16777216.0f), 16777216); // 2^24 |
| 868 | Assert.assertEquals(Math.round(-16777215.0f), -16777215); // -(2^24 - 1) |
| 869 | Assert.assertEquals(Math.round(-16777216.0f), -16777216); // -2^24 |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 870 | Assert.assertEquals(Math.round(Float.NaN), (int)+0.0f); |
| 871 | Assert.assertEquals(Math.round(Integer.MAX_VALUE + 1.0f), Integer.MAX_VALUE); |
| 872 | Assert.assertEquals(Math.round(Integer.MIN_VALUE - 1.0f), Integer.MIN_VALUE); |
| Chris Larsen | 7adaab0 | 2016-04-21 14:49:20 -0700 | [diff] [blame] | 873 | Assert.assertEquals(Math.round(Float.intBitsToFloat(0x4F800000)), |
| 874 | Integer.MAX_VALUE); // 2^32 |
| 875 | Assert.assertEquals(Math.round(Float.intBitsToFloat(0xCF800000)), |
| 876 | Integer.MIN_VALUE); // -2^32 |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 877 | Assert.assertEquals(Math.round(Float.POSITIVE_INFINITY), Integer.MAX_VALUE); |
| 878 | Assert.assertEquals(Math.round(Float.NEGATIVE_INFINITY), Integer.MIN_VALUE); |
| 879 | } |
| 880 | |
| Chris Larsen | 2714fe6 | 2016-02-11 14:23:53 -0800 | [diff] [blame] | 881 | public static void test_Math_isNaN_D() { |
| 882 | // Quiet NaN. |
| 883 | Assert.assertTrue(Double.isNaN(Double.longBitsToDouble(0x7FF4000000000000l))); |
| 884 | Assert.assertTrue(Double.isNaN(Double.longBitsToDouble(0xFFF4000000000000l))); |
| 885 | // Signaling NaN. |
| 886 | Assert.assertTrue(Double.isNaN(Double.longBitsToDouble(0x7FF8000000000000l))); |
| 887 | Assert.assertTrue(Double.isNaN(Double.longBitsToDouble(0xFFF8000000000000l))); |
| 888 | // Distinct from +/- infinity. |
| 889 | Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x7FF0000000000000l))); |
| 890 | Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0xFFF0000000000000l))); |
| 891 | // Distinct from normal numbers. |
| 892 | Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x7FE0000000000000l))); |
| 893 | Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0xFFE0000000000000l))); |
| 894 | Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x0010000000000000l))); |
| 895 | Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x8010000000000000l))); |
| 896 | // Distinct from +/- zero. |
| 897 | Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x0000000000000000l))); |
| 898 | Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x8000000000000000l))); |
| 899 | // Distinct from subnormal numbers. |
| 900 | Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x0008000000000000l))); |
| 901 | Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x8008000000000000l))); |
| 902 | Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x0000000000000001l))); |
| 903 | Assert.assertFalse(Double.isNaN(Double.longBitsToDouble(0x8000000000000001l))); |
| 904 | } |
| 905 | |
| 906 | public static void test_Math_isNaN_F() { |
| 907 | // Quiet NaN. |
| 908 | Assert.assertTrue(Float.isNaN(Float.intBitsToFloat(0x7FA00000))); |
| 909 | Assert.assertTrue(Float.isNaN(Float.intBitsToFloat(0xFFA00000))); |
| 910 | // Signaling NaN. |
| 911 | Assert.assertTrue(Float.isNaN(Float.intBitsToFloat(0x7FC00000))); |
| 912 | Assert.assertTrue(Float.isNaN(Float.intBitsToFloat(0xFFC00000))); |
| 913 | // Distinct from +/- infinity. |
| 914 | Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x7F800000))); |
| 915 | Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0xFF800000))); |
| 916 | // Distinct from normal numbers. |
| 917 | Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x7F000000))); |
| 918 | Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0xFF000000))); |
| 919 | Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x00800000))); |
| 920 | Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x80800000))); |
| 921 | // Distinct from +/- zero. |
| 922 | Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x00000000))); |
| 923 | Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x80000000))); |
| 924 | // Distinct from subnormal numbers. |
| 925 | Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x00400000))); |
| 926 | Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x80400000))); |
| 927 | Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x00000001))); |
| 928 | Assert.assertFalse(Float.isNaN(Float.intBitsToFloat(0x80000001))); |
| 929 | } |
| 930 | |
| 931 | public static void test_Math_isInfinite_D() { |
| 932 | // Distinct from Quiet NaN. |
| 933 | Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x7FF4000000000000l))); |
| 934 | Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0xFFF4000000000000l))); |
| 935 | // Distinct from Signaling NaN. |
| 936 | Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x7FF8000000000000l))); |
| 937 | Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0xFFF8000000000000l))); |
| 938 | // +/- infinity. |
| 939 | Assert.assertTrue(Double.isInfinite(Double.longBitsToDouble(0x7FF0000000000000l))); |
| 940 | Assert.assertTrue(Double.isInfinite(Double.longBitsToDouble(0xFFF0000000000000l))); |
| 941 | // Distinct from normal numbers. |
| 942 | Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x7FE0000000000000l))); |
| 943 | Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0xFFE0000000000000l))); |
| 944 | Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x0010000000000000l))); |
| 945 | Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x8010000000000000l))); |
| 946 | // Distinct from +/- zero. |
| 947 | Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x0000000000000000l))); |
| 948 | Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x8000000000000000l))); |
| 949 | // Distinct from subnormal numbers. |
| 950 | Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x0008000000000000l))); |
| 951 | Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x8008000000000000l))); |
| 952 | Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x0000000000000001l))); |
| 953 | Assert.assertFalse(Double.isInfinite(Double.longBitsToDouble(0x8000000000000001l))); |
| 954 | } |
| 955 | |
| 956 | public static void test_Math_isInfinite_F() { |
| 957 | // Distinct from Quiet NaN. |
| 958 | Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x7FA00000))); |
| 959 | Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0xFFA00000))); |
| 960 | // Distinct from Signaling NaN. |
| 961 | Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x7FC00000))); |
| 962 | Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0xFFC00000))); |
| 963 | // +/- infinity. |
| 964 | Assert.assertTrue(Float.isInfinite(Float.intBitsToFloat(0x7F800000))); |
| 965 | Assert.assertTrue(Float.isInfinite(Float.intBitsToFloat(0xFF800000))); |
| 966 | // Distinct from normal numbers. |
| 967 | Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x7F000000))); |
| 968 | Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0xFF000000))); |
| 969 | Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x00800000))); |
| 970 | Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x80800000))); |
| 971 | // Distinct from +/- zero. |
| 972 | Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x00000000))); |
| 973 | Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x80000000))); |
| 974 | // Distinct from subnormal numbers. |
| 975 | Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x00400000))); |
| 976 | Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x80400000))); |
| 977 | Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x00000001))); |
| 978 | Assert.assertFalse(Float.isInfinite(Float.intBitsToFloat(0x80000001))); |
| 979 | } |
| 980 | |
| Sebastien Hertz | bf1442d | 2013-03-05 15:12:40 +0100 | [diff] [blame] | 981 | public static void test_StrictMath_abs_I() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 982 | StrictMath.abs(-1); |
| Sebastien Hertz | bf1442d | 2013-03-05 15:12:40 +0100 | [diff] [blame] | 983 | Assert.assertEquals(StrictMath.abs(0), 0); |
| 984 | Assert.assertEquals(StrictMath.abs(123), 123); |
| 985 | Assert.assertEquals(StrictMath.abs(-123), 123); |
| 986 | Assert.assertEquals(StrictMath.abs(Integer.MAX_VALUE), Integer.MAX_VALUE); |
| 987 | Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE), Integer.MIN_VALUE); |
| 988 | Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE - 1), Integer.MAX_VALUE); |
| 989 | Assert.assertEquals(StrictMath.abs(Integer.MIN_VALUE + 1), Integer.MAX_VALUE); |
| 990 | } |
| 991 | |
| 992 | public static void test_StrictMath_abs_J() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 993 | StrictMath.abs(-1L); |
| Sebastien Hertz | bf1442d | 2013-03-05 15:12:40 +0100 | [diff] [blame] | 994 | Assert.assertEquals(StrictMath.abs(0L), 0L); |
| 995 | Assert.assertEquals(StrictMath.abs(123L), 123L); |
| 996 | Assert.assertEquals(StrictMath.abs(-123L), 123L); |
| 997 | Assert.assertEquals(StrictMath.abs(Long.MAX_VALUE), Long.MAX_VALUE); |
| 998 | Assert.assertEquals(StrictMath.abs(Long.MIN_VALUE), Long.MIN_VALUE); |
| 999 | Assert.assertEquals(StrictMath.abs(Long.MIN_VALUE - 1), Long.MAX_VALUE); |
| 1000 | } |
| 1001 | |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 1002 | public static void test_StrictMath_min_I() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1003 | StrictMath.min(1, 0); |
| Sebastien Hertz | bf1442d | 2013-03-05 15:12:40 +0100 | [diff] [blame] | 1004 | Assert.assertEquals(StrictMath.min(0, 0), 0); |
| 1005 | Assert.assertEquals(StrictMath.min(1, 0), 0); |
| 1006 | Assert.assertEquals(StrictMath.min(0, 1), 0); |
| 1007 | Assert.assertEquals(StrictMath.min(0, Integer.MAX_VALUE), 0); |
| 1008 | Assert.assertEquals(StrictMath.min(Integer.MIN_VALUE, 0), Integer.MIN_VALUE); |
| 1009 | Assert.assertEquals(StrictMath.min(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MIN_VALUE); |
| 1010 | } |
| 1011 | |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 1012 | public static void test_StrictMath_max_I() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1013 | StrictMath.max(1, 0); |
| Sebastien Hertz | bf1442d | 2013-03-05 15:12:40 +0100 | [diff] [blame] | 1014 | Assert.assertEquals(StrictMath.max(0, 0), 0); |
| 1015 | Assert.assertEquals(StrictMath.max(1, 0), 1); |
| 1016 | Assert.assertEquals(StrictMath.max(0, 1), 1); |
| 1017 | Assert.assertEquals(StrictMath.max(0, Integer.MAX_VALUE), Integer.MAX_VALUE); |
| 1018 | Assert.assertEquals(StrictMath.max(Integer.MIN_VALUE, 0), 0); |
| 1019 | Assert.assertEquals(StrictMath.max(Integer.MIN_VALUE, Integer.MAX_VALUE), Integer.MAX_VALUE); |
| 1020 | } |
| 1021 | |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 1022 | public static void test_StrictMath_min_J() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1023 | StrictMath.min(1L, 0L); |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 1024 | Assert.assertEquals(StrictMath.min(0L, 0L), 0L); |
| 1025 | Assert.assertEquals(StrictMath.min(1L, 0L), 0L); |
| 1026 | Assert.assertEquals(StrictMath.min(0L, 1L), 0L); |
| 1027 | Assert.assertEquals(StrictMath.min(0L, Long.MAX_VALUE), 0L); |
| 1028 | Assert.assertEquals(StrictMath.min(Long.MIN_VALUE, 0L), Long.MIN_VALUE); |
| 1029 | Assert.assertEquals(StrictMath.min(Long.MIN_VALUE, Long.MAX_VALUE), Long.MIN_VALUE); |
| 1030 | } |
| 1031 | |
| 1032 | public static void test_StrictMath_max_J() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1033 | StrictMath.max(1L, 0L); |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 1034 | Assert.assertEquals(StrictMath.max(0L, 0L), 0L); |
| 1035 | Assert.assertEquals(StrictMath.max(1L, 0L), 1L); |
| 1036 | Assert.assertEquals(StrictMath.max(0L, 1L), 1L); |
| 1037 | Assert.assertEquals(StrictMath.max(0L, Long.MAX_VALUE), Long.MAX_VALUE); |
| 1038 | Assert.assertEquals(StrictMath.max(Long.MIN_VALUE, 0L), 0L); |
| 1039 | Assert.assertEquals(StrictMath.max(Long.MIN_VALUE, Long.MAX_VALUE), Long.MAX_VALUE); |
| 1040 | } |
| 1041 | |
| 1042 | public static void test_StrictMath_min_F() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1043 | StrictMath.min(1.0f, Float.NaN); |
| Alexei Zavjalov | 1222c96 | 2014-07-16 00:54:13 +0700 | [diff] [blame] | 1044 | Assert.assertTrue(Float.isNaN(StrictMath.min(1.0f, Float.NaN))); |
| 1045 | Assert.assertTrue(Float.isNaN(StrictMath.min(Float.NaN, 1.0f))); |
| 1046 | Assert.assertEquals(StrictMath.min(-0.0f, 0.0f), -0.0f); |
| 1047 | Assert.assertEquals(StrictMath.min(0.0f, -0.0f), -0.0f); |
| 1048 | Assert.assertEquals(StrictMath.min(-0.0f, -0.0f), -0.0f); |
| 1049 | Assert.assertEquals(StrictMath.min(0.0f, 0.0f), 0.0f); |
| 1050 | Assert.assertEquals(StrictMath.min(1.0f, 0.0f), 0.0f); |
| 1051 | Assert.assertEquals(StrictMath.min(0.0f, 1.0f), 0.0f); |
| 1052 | Assert.assertEquals(StrictMath.min(0.0f, Float.MAX_VALUE), 0.0f); |
| 1053 | Assert.assertEquals(StrictMath.min(Float.MIN_VALUE, 0.0f), 0.0f); |
| 1054 | Assert.assertEquals(StrictMath.min(Float.MIN_VALUE, Float.MAX_VALUE), Float.MIN_VALUE); |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 1055 | } |
| 1056 | |
| 1057 | public static void test_StrictMath_max_F() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1058 | StrictMath.max(1.0f, Float.NaN); |
| Alexei Zavjalov | 1222c96 | 2014-07-16 00:54:13 +0700 | [diff] [blame] | 1059 | Assert.assertTrue(Float.isNaN(StrictMath.max(1.0f, Float.NaN))); |
| 1060 | Assert.assertTrue(Float.isNaN(StrictMath.max(Float.NaN, 1.0f))); |
| 1061 | Assert.assertEquals(StrictMath.max(-0.0f, 0.0f), 0.0f); |
| 1062 | Assert.assertEquals(StrictMath.max(0.0f, -0.0f), 0.0f); |
| 1063 | Assert.assertEquals(StrictMath.max(-0.0f, -0.0f), -0.0f); |
| 1064 | Assert.assertEquals(StrictMath.max(0.0f, 0.0f), 0.0f); |
| 1065 | Assert.assertEquals(StrictMath.max(1.0f, 0.0f), 1.0f); |
| 1066 | Assert.assertEquals(StrictMath.max(0.0f, 1.0f), 1.0f); |
| 1067 | Assert.assertEquals(StrictMath.max(0.0f, Float.MAX_VALUE), Float.MAX_VALUE); |
| 1068 | Assert.assertEquals(StrictMath.max(Float.MIN_VALUE, 0.0f), Float.MIN_VALUE); |
| 1069 | Assert.assertEquals(StrictMath.max(Float.MIN_VALUE, Float.MAX_VALUE), Float.MAX_VALUE); |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 1070 | } |
| 1071 | |
| 1072 | public static void test_StrictMath_min_D() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1073 | StrictMath.min(1.0d, Double.NaN); |
| Alexei Zavjalov | 1222c96 | 2014-07-16 00:54:13 +0700 | [diff] [blame] | 1074 | Assert.assertTrue(Double.isNaN(StrictMath.min(1.0d, Double.NaN))); |
| 1075 | Assert.assertTrue(Double.isNaN(StrictMath.min(Double.NaN, 1.0d))); |
| 1076 | Assert.assertEquals(StrictMath.min(-0.0d, 0.0d), -0.0d); |
| 1077 | Assert.assertEquals(StrictMath.min(0.0d, -0.0d), -0.0d); |
| 1078 | Assert.assertEquals(StrictMath.min(-0.0d, -0.0d), -0.0d); |
| 1079 | Assert.assertEquals(StrictMath.min(0.0d, 0.0d), 0.0d); |
| 1080 | Assert.assertEquals(StrictMath.min(1.0d, 0.0d), 0.0d); |
| 1081 | Assert.assertEquals(StrictMath.min(0.0d, 1.0d), 0.0d); |
| 1082 | Assert.assertEquals(StrictMath.min(0.0d, Double.MAX_VALUE), 0.0d); |
| 1083 | Assert.assertEquals(StrictMath.min(Double.MIN_VALUE, 0.0d), 0.0d); |
| 1084 | Assert.assertEquals(StrictMath.min(Double.MIN_VALUE, Double.MAX_VALUE), Double.MIN_VALUE); |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 1085 | } |
| 1086 | |
| 1087 | public static void test_StrictMath_max_D() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1088 | StrictMath.max(1.0d, Double.NaN); |
| Alexei Zavjalov | 1222c96 | 2014-07-16 00:54:13 +0700 | [diff] [blame] | 1089 | Assert.assertTrue(Double.isNaN(StrictMath.max(1.0d, Double.NaN))); |
| 1090 | Assert.assertTrue(Double.isNaN(StrictMath.max(Double.NaN, 1.0d))); |
| 1091 | Assert.assertEquals(StrictMath.max(-0.0d, 0.0d), 0.0d); |
| 1092 | Assert.assertEquals(StrictMath.max(0.0d, -0.0d), 0.0d); |
| 1093 | Assert.assertEquals(StrictMath.max(-0.0d, -0.0d), -0.0d); |
| 1094 | Assert.assertEquals(StrictMath.max(0.0d, 0.0d), 0.0d); |
| 1095 | Assert.assertEquals(StrictMath.max(1.0d, 0.0d), 1.0d); |
| 1096 | Assert.assertEquals(StrictMath.max(0.0d, 1.0d), 1.0d); |
| 1097 | Assert.assertEquals(StrictMath.max(0.0d, Double.MAX_VALUE), Double.MAX_VALUE); |
| 1098 | Assert.assertEquals(StrictMath.max(Double.MIN_VALUE, 0.0d), Double.MIN_VALUE); |
| 1099 | Assert.assertEquals(StrictMath.max(Double.MIN_VALUE, Double.MAX_VALUE), Double.MAX_VALUE); |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 1100 | } |
| 1101 | |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1102 | public static void test_StrictMath_sqrt() { |
| 1103 | StrictMath.sqrt(+4.0); |
| 1104 | Assert.assertEquals(StrictMath.sqrt(+4.0), +2.0d, 0.0); |
| 1105 | Assert.assertEquals(StrictMath.sqrt(+49.0), +7.0d, 0.0); |
| 1106 | Assert.assertEquals(StrictMath.sqrt(+1.44), +1.2d, 0.0); |
| 1107 | } |
| 1108 | |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 1109 | public static void test_StrictMath_ceil() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1110 | StrictMath.ceil(-0.9); |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 1111 | Assert.assertEquals(StrictMath.ceil(+0.0), +0.0d, 0.0); |
| 1112 | Assert.assertEquals(StrictMath.ceil(-0.0), -0.0d, 0.0); |
| 1113 | Assert.assertEquals(StrictMath.ceil(-0.9), -0.0d, 0.0); |
| 1114 | Assert.assertEquals(StrictMath.ceil(-0.5), -0.0d, 0.0); |
| 1115 | Assert.assertEquals(StrictMath.ceil(0.0), -0.0d, 0.0); |
| 1116 | Assert.assertEquals(StrictMath.ceil(+2.0), +2.0d, 0.0); |
| 1117 | Assert.assertEquals(StrictMath.ceil(+2.1), +3.0d, 0.0); |
| 1118 | Assert.assertEquals(StrictMath.ceil(+2.5), +3.0d, 0.0); |
| 1119 | Assert.assertEquals(StrictMath.ceil(+2.9), +3.0d, 0.0); |
| 1120 | Assert.assertEquals(StrictMath.ceil(+3.0), +3.0d, 0.0); |
| 1121 | Assert.assertEquals(StrictMath.ceil(-2.0), -2.0d, 0.0); |
| 1122 | Assert.assertEquals(StrictMath.ceil(-2.1), -2.0d, 0.0); |
| 1123 | Assert.assertEquals(StrictMath.ceil(-2.5), -2.0d, 0.0); |
| 1124 | Assert.assertEquals(StrictMath.ceil(-2.9), -2.0d, 0.0); |
| 1125 | Assert.assertEquals(StrictMath.ceil(-3.0), -3.0d, 0.0); |
| 1126 | Assert.assertEquals(StrictMath.ceil(Double.NaN), Double.NaN, 0.0); |
| 1127 | Assert.assertEquals(StrictMath.ceil(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0); |
| 1128 | Assert.assertEquals(StrictMath.ceil(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0); |
| 1129 | } |
| 1130 | |
| 1131 | public static void test_StrictMath_floor() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1132 | StrictMath.floor(+2.1); |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 1133 | Assert.assertEquals(StrictMath.floor(+0.0), +0.0d, 0.0); |
| 1134 | Assert.assertEquals(StrictMath.floor(-0.0), -0.0d, 0.0); |
| 1135 | Assert.assertEquals(StrictMath.floor(+2.0), +2.0d, 0.0); |
| 1136 | Assert.assertEquals(StrictMath.floor(+2.1), +2.0d, 0.0); |
| 1137 | Assert.assertEquals(StrictMath.floor(+2.5), +2.0d, 0.0); |
| 1138 | Assert.assertEquals(StrictMath.floor(+2.9), +2.0d, 0.0); |
| 1139 | Assert.assertEquals(StrictMath.floor(+3.0), +3.0d, 0.0); |
| 1140 | Assert.assertEquals(StrictMath.floor(-2.0), -2.0d, 0.0); |
| 1141 | Assert.assertEquals(StrictMath.floor(-2.1), -3.0d, 0.0); |
| 1142 | Assert.assertEquals(StrictMath.floor(-2.5), -3.0d, 0.0); |
| 1143 | Assert.assertEquals(StrictMath.floor(-2.9), -3.0d, 0.0); |
| 1144 | Assert.assertEquals(StrictMath.floor(-3.0), -3.0d, 0.0); |
| 1145 | Assert.assertEquals(StrictMath.floor(Double.NaN), Double.NaN, 0.0); |
| 1146 | Assert.assertEquals(StrictMath.floor(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0); |
| 1147 | Assert.assertEquals(StrictMath.floor(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0); |
| 1148 | } |
| 1149 | |
| 1150 | public static void test_StrictMath_rint() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1151 | StrictMath.rint(+2.1); |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 1152 | Assert.assertEquals(StrictMath.rint(+0.0), +0.0d, 0.0); |
| 1153 | Assert.assertEquals(StrictMath.rint(-0.0), -0.0d, 0.0); |
| 1154 | Assert.assertEquals(StrictMath.rint(+2.0), +2.0d, 0.0); |
| 1155 | Assert.assertEquals(StrictMath.rint(+2.1), +2.0d, 0.0); |
| 1156 | Assert.assertEquals(StrictMath.rint(+2.5), +2.0d, 0.0); |
| 1157 | Assert.assertEquals(StrictMath.rint(+2.9), +3.0d, 0.0); |
| 1158 | Assert.assertEquals(StrictMath.rint(+3.0), +3.0d, 0.0); |
| 1159 | Assert.assertEquals(StrictMath.rint(-2.0), -2.0d, 0.0); |
| 1160 | Assert.assertEquals(StrictMath.rint(-2.1), -2.0d, 0.0); |
| 1161 | Assert.assertEquals(StrictMath.rint(-2.5), -2.0d, 0.0); |
| 1162 | Assert.assertEquals(StrictMath.rint(-2.9), -3.0d, 0.0); |
| 1163 | Assert.assertEquals(StrictMath.rint(-3.0), -3.0d, 0.0); |
| 1164 | Assert.assertEquals(StrictMath.rint(Double.NaN), Double.NaN, 0.0); |
| 1165 | Assert.assertEquals(StrictMath.rint(Double.POSITIVE_INFINITY), Double.POSITIVE_INFINITY, 0.0); |
| 1166 | Assert.assertEquals(StrictMath.rint(Double.NEGATIVE_INFINITY), Double.NEGATIVE_INFINITY, 0.0); |
| 1167 | } |
| 1168 | |
| 1169 | public static void test_StrictMath_round_D() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1170 | StrictMath.round(2.1d); |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 1171 | Assert.assertEquals(StrictMath.round(+0.0d), (long)+0.0); |
| 1172 | Assert.assertEquals(StrictMath.round(-0.0d), (long)+0.0); |
| 1173 | Assert.assertEquals(StrictMath.round(2.0d), 2l); |
| 1174 | Assert.assertEquals(StrictMath.round(2.1d), 2l); |
| 1175 | Assert.assertEquals(StrictMath.round(2.5d), 3l); |
| 1176 | Assert.assertEquals(StrictMath.round(2.9d), 3l); |
| 1177 | Assert.assertEquals(StrictMath.round(3.0d), 3l); |
| 1178 | Assert.assertEquals(StrictMath.round(-2.0d), -2l); |
| 1179 | Assert.assertEquals(StrictMath.round(-2.1d), -2l); |
| 1180 | Assert.assertEquals(StrictMath.round(-2.5d), -2l); |
| 1181 | Assert.assertEquals(StrictMath.round(-2.9d), -3l); |
| 1182 | Assert.assertEquals(StrictMath.round(-3.0d), -3l); |
| Yi Kong | 879ca67 | 2015-11-18 14:11:44 +0000 | [diff] [blame] | 1183 | Assert.assertEquals(StrictMath.round(0.49999999999999994d), 0l); |
| Chris Larsen | 7adaab0 | 2016-04-21 14:49:20 -0700 | [diff] [blame] | 1184 | Assert.assertEquals(StrictMath.round(4503599627370495.0d), 4503599627370495l); // 2^52 - 1 |
| 1185 | Assert.assertEquals(StrictMath.round(4503599627370495.5d), 4503599627370496l); // 2^52 - 0.5 |
| 1186 | Assert.assertEquals(StrictMath.round(4503599627370496.0d), 4503599627370496l); // 2^52 |
| 1187 | Assert.assertEquals(StrictMath.round(-4503599627370495.0d), -4503599627370495l); // -(2^52 - 1) |
| 1188 | Assert.assertEquals(StrictMath.round(-4503599627370495.5d), -4503599627370495l); // -(2^52 - 0.5) |
| 1189 | Assert.assertEquals(StrictMath.round(-4503599627370496.0d), -4503599627370496l); // -2^52 |
| Vladimir Marko | 9c1c06a | 2016-02-25 17:50:41 +0000 | [diff] [blame] | 1190 | Assert.assertEquals(StrictMath.round(9007199254740991.0d), 9007199254740991l); // 2^53 - 1 |
| Chris Larsen | f09d532 | 2016-04-22 12:06:34 -0700 | [diff] [blame] | 1191 | Assert.assertEquals(StrictMath.round(-9007199254740991.0d), -9007199254740991l); // -(2^53 - 1) |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 1192 | Assert.assertEquals(StrictMath.round(Double.NaN), (long)+0.0d); |
| 1193 | Assert.assertEquals(StrictMath.round(Long.MAX_VALUE + 1.0d), Long.MAX_VALUE); |
| 1194 | Assert.assertEquals(StrictMath.round(Long.MIN_VALUE - 1.0d), Long.MIN_VALUE); |
| Chris Larsen | 7adaab0 | 2016-04-21 14:49:20 -0700 | [diff] [blame] | 1195 | Assert.assertEquals(StrictMath.round(Double.longBitsToDouble(0x43F0000000000000l)), |
| 1196 | Long.MAX_VALUE); // 2^64 |
| 1197 | Assert.assertEquals(StrictMath.round(Double.longBitsToDouble(0xC3F0000000000000l)), |
| 1198 | Long.MIN_VALUE); // -2^64 |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 1199 | Assert.assertEquals(StrictMath.round(Double.POSITIVE_INFINITY), Long.MAX_VALUE); |
| 1200 | Assert.assertEquals(StrictMath.round(Double.NEGATIVE_INFINITY), Long.MIN_VALUE); |
| 1201 | } |
| 1202 | |
| 1203 | public static void test_StrictMath_round_F() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1204 | StrictMath.round(2.1f); |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 1205 | Assert.assertEquals(StrictMath.round(+0.0f), (int)+0.0); |
| 1206 | Assert.assertEquals(StrictMath.round(-0.0f), (int)+0.0); |
| 1207 | Assert.assertEquals(StrictMath.round(2.0f), 2); |
| 1208 | Assert.assertEquals(StrictMath.round(2.1f), 2); |
| 1209 | Assert.assertEquals(StrictMath.round(2.5f), 3); |
| 1210 | Assert.assertEquals(StrictMath.round(2.9f), 3); |
| 1211 | Assert.assertEquals(StrictMath.round(3.0f), 3); |
| 1212 | Assert.assertEquals(StrictMath.round(-2.0f), -2); |
| 1213 | Assert.assertEquals(StrictMath.round(-2.1f), -2); |
| 1214 | Assert.assertEquals(StrictMath.round(-2.5f), -2); |
| 1215 | Assert.assertEquals(StrictMath.round(-2.9f), -3); |
| 1216 | Assert.assertEquals(StrictMath.round(-3.0f), -3); |
| Chris Larsen | b74353a | 2015-11-20 09:07:09 -0800 | [diff] [blame] | 1217 | // 0.4999999701976776123046875 |
| 1218 | Assert.assertEquals(StrictMath.round(Float.intBitsToFloat(0x3EFFFFFF)), (int)+0.0f); |
| Chris Larsen | f09d532 | 2016-04-22 12:06:34 -0700 | [diff] [blame] | 1219 | Assert.assertEquals(StrictMath.round(8388607.0f), 8388607); // 2^23 - 1 |
| 1220 | Assert.assertEquals(StrictMath.round(8388607.5f), 8388608); // 2^23 - 0.5 |
| 1221 | Assert.assertEquals(StrictMath.round(8388608.0f), 8388608); // 2^23 |
| 1222 | Assert.assertEquals(StrictMath.round(-8388607.0f), -8388607); // -(2^23 - 1) |
| 1223 | Assert.assertEquals(StrictMath.round(-8388607.5f), -8388607); // -(2^23 - 0.5) |
| 1224 | Assert.assertEquals(StrictMath.round(-8388608.0f), -8388608); // -2^23 |
| Vladimir Marko | 9c1c06a | 2016-02-25 17:50:41 +0000 | [diff] [blame] | 1225 | Assert.assertEquals(StrictMath.round(16777215.0f), 16777215); // 2^24 - 1 |
| Chris Larsen | f09d532 | 2016-04-22 12:06:34 -0700 | [diff] [blame] | 1226 | Assert.assertEquals(StrictMath.round(16777216.0f), 16777216); // 2^24 |
| 1227 | Assert.assertEquals(StrictMath.round(-16777215.0f), -16777215); // -(2^24 - 1) |
| 1228 | Assert.assertEquals(StrictMath.round(-16777216.0f), -16777216); // -2^24 |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 1229 | Assert.assertEquals(StrictMath.round(Float.NaN), (int)+0.0f); |
| 1230 | Assert.assertEquals(StrictMath.round(Integer.MAX_VALUE + 1.0f), Integer.MAX_VALUE); |
| 1231 | Assert.assertEquals(StrictMath.round(Integer.MIN_VALUE - 1.0f), Integer.MIN_VALUE); |
| Chris Larsen | 7adaab0 | 2016-04-21 14:49:20 -0700 | [diff] [blame] | 1232 | Assert.assertEquals(StrictMath.round(Float.intBitsToFloat(0x4F800000)), |
| 1233 | Integer.MAX_VALUE); // 2^32 |
| 1234 | Assert.assertEquals(StrictMath.round(Float.intBitsToFloat(0xCF800000)), |
| 1235 | Integer.MIN_VALUE); // -2^32 |
| Serban Constantinescu | 2eba1fa | 2014-07-31 19:07:17 +0100 | [diff] [blame] | 1236 | Assert.assertEquals(StrictMath.round(Float.POSITIVE_INFINITY), Integer.MAX_VALUE); |
| 1237 | Assert.assertEquals(StrictMath.round(Float.NEGATIVE_INFINITY), Integer.MIN_VALUE); |
| 1238 | } |
| 1239 | |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 1240 | public static void test_Float_floatToRawIntBits() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1241 | Float.floatToRawIntBits(-1.0f); |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 1242 | Assert.assertEquals(Float.floatToRawIntBits(-1.0f), 0xbf800000); |
| 1243 | Assert.assertEquals(Float.floatToRawIntBits(0.0f), 0); |
| 1244 | Assert.assertEquals(Float.floatToRawIntBits(1.0f), 0x3f800000); |
| 1245 | Assert.assertEquals(Float.floatToRawIntBits(Float.NaN), 0x7fc00000); |
| 1246 | Assert.assertEquals(Float.floatToRawIntBits(Float.POSITIVE_INFINITY), 0x7f800000); |
| 1247 | Assert.assertEquals(Float.floatToRawIntBits(Float.NEGATIVE_INFINITY), 0xff800000); |
| 1248 | } |
| 1249 | |
| 1250 | public static void test_Float_intBitsToFloat() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1251 | Float.intBitsToFloat(0xbf800000); |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 1252 | Assert.assertEquals(Float.intBitsToFloat(0xbf800000), -1.0f); |
| 1253 | Assert.assertEquals(Float.intBitsToFloat(0x00000000), 0.0f); |
| 1254 | Assert.assertEquals(Float.intBitsToFloat(0x3f800000), 1.0f); |
| 1255 | Assert.assertEquals(Float.intBitsToFloat(0x7fc00000), Float.NaN); |
| 1256 | Assert.assertEquals(Float.intBitsToFloat(0x7f800000), Float.POSITIVE_INFINITY); |
| 1257 | Assert.assertEquals(Float.intBitsToFloat(0xff800000), Float.NEGATIVE_INFINITY); |
| 1258 | } |
| 1259 | |
| 1260 | public static void test_Double_doubleToRawLongBits() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1261 | Double.doubleToRawLongBits(-1.0); |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 1262 | Assert.assertEquals(Double.doubleToRawLongBits(-1.0), 0xbff0000000000000L); |
| 1263 | Assert.assertEquals(Double.doubleToRawLongBits(0.0), 0x0000000000000000L); |
| 1264 | Assert.assertEquals(Double.doubleToRawLongBits(1.0), 0x3ff0000000000000L); |
| 1265 | Assert.assertEquals(Double.doubleToRawLongBits(Double.NaN), 0x7ff8000000000000L); |
| 1266 | Assert.assertEquals(Double.doubleToRawLongBits(Double.POSITIVE_INFINITY), 0x7ff0000000000000L); |
| 1267 | Assert.assertEquals(Double.doubleToRawLongBits(Double.NEGATIVE_INFINITY), 0xfff0000000000000L); |
| 1268 | } |
| 1269 | |
| 1270 | public static void test_Double_longBitsToDouble() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1271 | Double.longBitsToDouble(0xbff0000000000000L); |
| Elliott Hughes | 28c384b | 2012-06-15 16:46:25 -0700 | [diff] [blame] | 1272 | Assert.assertEquals(Double.longBitsToDouble(0xbff0000000000000L), -1.0); |
| 1273 | Assert.assertEquals(Double.longBitsToDouble(0x0000000000000000L), 0.0); |
| 1274 | Assert.assertEquals(Double.longBitsToDouble(0x3ff0000000000000L), 1.0); |
| 1275 | Assert.assertEquals(Double.longBitsToDouble(0x7ff8000000000000L), Double.NaN); |
| 1276 | Assert.assertEquals(Double.longBitsToDouble(0x7ff0000000000000L), Double.POSITIVE_INFINITY); |
| 1277 | Assert.assertEquals(Double.longBitsToDouble(0xfff0000000000000L), Double.NEGATIVE_INFINITY); |
| 1278 | } |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 1279 | |
| Zheng Xu | a3fe742 | 2014-07-09 14:03:15 +0800 | [diff] [blame] | 1280 | public static void test_Short_reverseBytes() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1281 | Short.reverseBytes((short)0x1357); |
| Zheng Xu | a3fe742 | 2014-07-09 14:03:15 +0800 | [diff] [blame] | 1282 | Assert.assertEquals(Short.reverseBytes((short)0x0000), (short)0x0000); |
| 1283 | Assert.assertEquals(Short.reverseBytes((short)0xffff), (short)0xffff); |
| 1284 | Assert.assertEquals(Short.reverseBytes((short)0x8000), (short)0x0080); |
| 1285 | Assert.assertEquals(Short.reverseBytes((short)0x0080), (short)0x8000); |
| 1286 | Assert.assertEquals(Short.reverseBytes((short)0x0123), (short)0x2301); |
| 1287 | Assert.assertEquals(Short.reverseBytes((short)0x4567), (short)0x6745); |
| 1288 | Assert.assertEquals(Short.reverseBytes((short)0x89ab), (short)0xab89); |
| 1289 | Assert.assertEquals(Short.reverseBytes((short)0xcdef), (short)0xefcd); |
| 1290 | } |
| 1291 | |
| 1292 | public static void test_Integer_reverseBytes() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1293 | Integer.reverseBytes(0x13579bdf); |
| Zheng Xu | a3fe742 | 2014-07-09 14:03:15 +0800 | [diff] [blame] | 1294 | Assert.assertEquals(Integer.reverseBytes(0x00000000), 0x00000000); |
| 1295 | Assert.assertEquals(Integer.reverseBytes(0xffffffff), 0xffffffff); |
| 1296 | Assert.assertEquals(Integer.reverseBytes(0x80000000), 0x00000080); |
| 1297 | Assert.assertEquals(Integer.reverseBytes(0x00000080), 0x80000000); |
| 1298 | Assert.assertEquals(Integer.reverseBytes(0x01234567), 0x67452301); |
| 1299 | Assert.assertEquals(Integer.reverseBytes(0x89abcdef), 0xefcdab89); |
| 1300 | } |
| 1301 | |
| 1302 | public static void test_Long_reverseBytes() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1303 | Long.reverseBytes(0x13579bdf2468ace0L); |
| Zheng Xu | a3fe742 | 2014-07-09 14:03:15 +0800 | [diff] [blame] | 1304 | Assert.assertEquals(Long.reverseBytes(0x0000000000000000L), 0x0000000000000000L); |
| 1305 | Assert.assertEquals(Long.reverseBytes(0xffffffffffffffffL), 0xffffffffffffffffL); |
| 1306 | Assert.assertEquals(Long.reverseBytes(0x8000000000000000L), 0x0000000000000080L); |
| 1307 | Assert.assertEquals(Long.reverseBytes(0x0000000000000080L), 0x8000000000000000L); |
| 1308 | Assert.assertEquals(Long.reverseBytes(0x0123456789abcdefL), 0xefcdab8967452301L); |
| 1309 | } |
| 1310 | |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 1311 | public static void test_Integer_reverse() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1312 | Integer.reverse(0x12345678); |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 1313 | Assert.assertEquals(Integer.reverse(1), 0x80000000); |
| 1314 | Assert.assertEquals(Integer.reverse(-1), 0xffffffff); |
| 1315 | Assert.assertEquals(Integer.reverse(0), 0); |
| 1316 | Assert.assertEquals(Integer.reverse(0x12345678), 0x1e6a2c48); |
| 1317 | Assert.assertEquals(Integer.reverse(0x87654321), 0x84c2a6e1); |
| 1318 | Assert.assertEquals(Integer.reverse(Integer.MAX_VALUE), 0xfffffffe); |
| 1319 | Assert.assertEquals(Integer.reverse(Integer.MIN_VALUE), 1); |
| 1320 | } |
| 1321 | |
| 1322 | public static void test_Long_reverse() { |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1323 | Long.reverse(0x1234567812345678L); |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 1324 | Assert.assertEquals(Long.reverse(1L), 0x8000000000000000L); |
| 1325 | Assert.assertEquals(Long.reverse(-1L), 0xffffffffffffffffL); |
| 1326 | Assert.assertEquals(Long.reverse(0L), 0L); |
| Zheng Xu | a3fe742 | 2014-07-09 14:03:15 +0800 | [diff] [blame] | 1327 | Assert.assertEquals(Long.reverse(0x1234567812345678L), 0x1e6a2c481e6a2c48L); |
| 1328 | Assert.assertEquals(Long.reverse(0x8765432187654321L), 0x84c2a6e184c2a6e1L); |
| 1329 | Assert.assertEquals(Long.reverse(Long.MAX_VALUE), 0xfffffffffffffffeL); |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 1330 | Assert.assertEquals(Long.reverse(Long.MIN_VALUE), 1L); |
| Andreas Gampe | 575422f | 2015-07-07 13:25:58 -0700 | [diff] [blame] | 1331 | |
| 1332 | Assert.assertEquals(test_Long_reverse_b22324327(0xaaaaaaaaaaaaaaaaL, 0x5555555555555555L), |
| 1333 | 157472205507277347L); |
| 1334 | } |
| 1335 | |
| 1336 | // A bit more complicated than the above. Use local variables to stress register allocation. |
| 1337 | private static long test_Long_reverse_b22324327(long l1, long l2) { |
| 1338 | // A couple of local integers. Use them in a loop, so they get promoted. |
| 1339 | int i1 = 0, i2 = 1, i3 = 2, i4 = 3, i5 = 4, i6 = 5, i7 = 6, i8 = 7; |
| 1340 | for (int k = 0; k < 10; k++) { |
| 1341 | i1 += 1; |
| 1342 | i2 += 2; |
| 1343 | i3 += 3; |
| 1344 | i4 += 4; |
| 1345 | i5 += 5; |
| 1346 | i6 += 6; |
| 1347 | i7 += 7; |
| 1348 | i8 += 8; |
| 1349 | } |
| 1350 | |
| 1351 | // Do the Long.reverse() calls, save the results. |
| 1352 | long r1 = Long.reverse(l1); |
| 1353 | long r2 = Long.reverse(l2); |
| 1354 | |
| 1355 | // Some more looping with the ints. |
| 1356 | for (int k = 0; k < 10; k++) { |
| 1357 | i1 += 1; |
| 1358 | i2 += 2; |
| 1359 | i3 += 3; |
| 1360 | i4 += 4; |
| 1361 | i5 += 5; |
| 1362 | i6 += 6; |
| 1363 | i7 += 7; |
| 1364 | i8 += 8; |
| 1365 | } |
| 1366 | |
| 1367 | // Include everything in the result, so things are kept live. Try to be a little bit clever to |
| 1368 | // avoid things being folded somewhere. |
| 1369 | return (r1 / i1) + (r2 / i2) + i3 + i4 + i5 + i6 + i7 + i8; |
| Serban Constantinescu | 23abec9 | 2014-07-02 16:13:38 +0100 | [diff] [blame] | 1370 | } |
| 1371 | |
| Mark Mendell | d589767 | 2015-08-12 21:16:41 -0400 | [diff] [blame] | 1372 | public static boolean doThrow = false; |
| 1373 | |
| 1374 | public static int $noinline$return_int_zero() { |
| 1375 | if (doThrow) { |
| 1376 | throw new Error(); |
| 1377 | } |
| 1378 | return 0; |
| 1379 | } |
| 1380 | |
| Andra Danciu | dc787f4 | 2020-07-07 14:28:56 +0000 | [diff] [blame] | 1381 | public static void test_Integer_divideUnsigned() { |
| 1382 | Assert.assertEquals(Integer.divideUnsigned(100, 10), 10); |
| 1383 | Assert.assertEquals(Integer.divideUnsigned(100, 1), 100); |
| 1384 | Assert.assertEquals(Integer.divideUnsigned(1024, 128), 8); |
| 1385 | Assert.assertEquals(Integer.divideUnsigned(12345678, 264), 46763); |
| 1386 | Assert.assertEquals(Integer.divideUnsigned(13, 5), 2); |
| 1387 | Assert.assertEquals(Integer.divideUnsigned(-2, 2), Integer.MAX_VALUE); |
| 1388 | Assert.assertEquals(Integer.divideUnsigned(-1, 2), Integer.MAX_VALUE); |
| 1389 | Assert.assertEquals(Integer.divideUnsigned(100000, -1), 0); |
| 1390 | Assert.assertEquals(Integer.divideUnsigned(Integer.MAX_VALUE, -1), 0); |
| 1391 | Assert.assertEquals(Integer.divideUnsigned(-2, -1), 0); |
| Vladimir Marko | 8942b3a | 2020-07-20 10:42:15 +0100 | [diff] [blame] | 1392 | Assert.assertEquals(Integer.divideUnsigned(-1, -2), 1); |
| Andra Danciu | dc787f4 | 2020-07-07 14:28:56 +0000 | [diff] [blame] | 1393 | Assert.assertEquals(Integer.divideUnsigned(-173448, 13), 330368757); |
| 1394 | Assert.assertEquals(Integer.divideUnsigned(Integer.MIN_VALUE, 2), (1 << 30)); |
| 1395 | Assert.assertEquals(Integer.divideUnsigned(-1, Integer.MIN_VALUE), 1); |
| 1396 | Assert.assertEquals(Integer.divideUnsigned(Integer.MAX_VALUE, Integer.MIN_VALUE), 0); |
| 1397 | Assert.assertEquals(Integer.divideUnsigned(Integer.MIN_VALUE, Integer.MAX_VALUE), 1); |
| 1398 | |
| 1399 | try { |
| 1400 | Integer.divideUnsigned(1, 0); |
| Vladimir Marko | be7fe3b | 2020-07-09 10:58:12 +0100 | [diff] [blame] | 1401 | Assert.fail("Unreachable"); |
| 1402 | } catch (ArithmeticException expected) { |
| Andra Danciu | dc787f4 | 2020-07-07 14:28:56 +0000 | [diff] [blame] | 1403 | } |
| Andra Danciu | dc787f4 | 2020-07-07 14:28:56 +0000 | [diff] [blame] | 1404 | } |
| 1405 | |
| Artem Serov | a3bd4ec | 2020-08-27 16:26:17 +0100 | [diff] [blame^] | 1406 | |
| 1407 | private static final long BIG_LONG_VALUE = 739287620162442240L; |
| 1408 | |
| 1409 | public static void test_Long_divideUnsigned() { |
| 1410 | Assert.assertEquals(Long.divideUnsigned(100L, 10L), 10L); |
| 1411 | Assert.assertEquals(Long.divideUnsigned(100L, 1L), 100L); |
| 1412 | Assert.assertEquals(Long.divideUnsigned(1024L, 128L), 8L); |
| 1413 | Assert.assertEquals(Long.divideUnsigned(12345678L, 264L), 46763L); |
| 1414 | Assert.assertEquals(Long.divideUnsigned(13L, 5L), 2L); |
| 1415 | Assert.assertEquals(Long.divideUnsigned(-2L, 2L), Long.MAX_VALUE); |
| 1416 | Assert.assertEquals(Long.divideUnsigned(-1L, 2L), Long.MAX_VALUE); |
| 1417 | Assert.assertEquals(Long.divideUnsigned(100000L, -1L), 0L); |
| 1418 | Assert.assertEquals(Long.divideUnsigned(Long.MAX_VALUE, -1L), 0L); |
| 1419 | Assert.assertEquals(Long.divideUnsigned(-2L, -1L), 0L); |
| 1420 | Assert.assertEquals(Long.divideUnsigned(-1L, -2L), 1L); |
| 1421 | Assert.assertEquals(Long.divideUnsigned(-173448L, 13L), 1418980313362259859L); |
| 1422 | Assert.assertEquals(Long.divideUnsigned(Long.MIN_VALUE, 2L), (1L << 62)); |
| 1423 | Assert.assertEquals(Long.divideUnsigned(-1L, Long.MIN_VALUE), 1L); |
| 1424 | Assert.assertEquals(Long.divideUnsigned(Long.MAX_VALUE, Long.MIN_VALUE), 0L); |
| 1425 | Assert.assertEquals(Long.divideUnsigned(Long.MIN_VALUE, Long.MAX_VALUE), 1L); |
| 1426 | Assert.assertEquals(Long.divideUnsigned(Long.MAX_VALUE, 1L), Long.MAX_VALUE); |
| 1427 | Assert.assertEquals(Long.divideUnsigned(Long.MIN_VALUE, 1L), Long.MIN_VALUE); |
| 1428 | Assert.assertEquals(Long.divideUnsigned(BIG_LONG_VALUE, BIG_LONG_VALUE), 1L); |
| 1429 | Assert.assertEquals(Long.divideUnsigned(BIG_LONG_VALUE, 1L), BIG_LONG_VALUE); |
| 1430 | Assert.assertEquals(Long.divideUnsigned(BIG_LONG_VALUE, 1024L), 721960566564885L); |
| 1431 | Assert.assertEquals(Long.divideUnsigned(BIG_LONG_VALUE, 0x1FFFFFFFFL), 86064406L); |
| 1432 | |
| 1433 | try { |
| 1434 | Long.divideUnsigned(1L, 0L); |
| 1435 | Assert.fail("Unreachable"); |
| 1436 | } catch (ArithmeticException expected) { |
| 1437 | } |
| 1438 | } |
| 1439 | |
| Scott Wakeling | 611d339 | 2015-07-10 11:42:06 +0100 | [diff] [blame] | 1440 | public static void test_Integer_numberOfLeadingZeros() { |
| 1441 | Assert.assertEquals(Integer.numberOfLeadingZeros(0), Integer.SIZE); |
| Mark Mendell | d589767 | 2015-08-12 21:16:41 -0400 | [diff] [blame] | 1442 | Assert.assertEquals(Integer.numberOfLeadingZeros(1), Integer.SIZE - 1); |
| 1443 | Assert.assertEquals(Integer.numberOfLeadingZeros(1 << (Integer.SIZE-1)), 0); |
| 1444 | Assert.assertEquals(Integer.numberOfLeadingZeros($noinline$return_int_zero()), Integer.SIZE); |
| Scott Wakeling | 611d339 | 2015-07-10 11:42:06 +0100 | [diff] [blame] | 1445 | for (int i = 0; i < Integer.SIZE; i++) { |
| 1446 | Assert.assertEquals(Integer.numberOfLeadingZeros(1 << i), Integer.SIZE - 1 - i); |
| 1447 | Assert.assertEquals(Integer.numberOfLeadingZeros((1 << i) | 1), Integer.SIZE - 1 - i); |
| 1448 | Assert.assertEquals(Integer.numberOfLeadingZeros(0xFFFFFFFF >>> i), i); |
| 1449 | } |
| 1450 | } |
| 1451 | |
| Mark Mendell | d589767 | 2015-08-12 21:16:41 -0400 | [diff] [blame] | 1452 | public static long $noinline$return_long_zero() { |
| 1453 | if (doThrow) { |
| 1454 | throw new Error(); |
| 1455 | } |
| 1456 | return 0; |
| 1457 | } |
| 1458 | |
| Scott Wakeling | 611d339 | 2015-07-10 11:42:06 +0100 | [diff] [blame] | 1459 | public static void test_Long_numberOfLeadingZeros() { |
| 1460 | Assert.assertEquals(Long.numberOfLeadingZeros(0L), Long.SIZE); |
| Mark Mendell | d589767 | 2015-08-12 21:16:41 -0400 | [diff] [blame] | 1461 | Assert.assertEquals(Long.numberOfLeadingZeros(1L), Long.SIZE - 1); |
| 1462 | Assert.assertEquals(Long.numberOfLeadingZeros(1L << ((Long.SIZE/2)-1)), Long.SIZE/2); |
| 1463 | Assert.assertEquals(Long.numberOfLeadingZeros(1L << (Long.SIZE-1)), 0); |
| 1464 | Assert.assertEquals(Long.numberOfLeadingZeros($noinline$return_long_zero()), Long.SIZE); |
| Scott Wakeling | 611d339 | 2015-07-10 11:42:06 +0100 | [diff] [blame] | 1465 | for (int i = 0; i < Long.SIZE; i++) { |
| 1466 | Assert.assertEquals(Long.numberOfLeadingZeros(1L << i), Long.SIZE - 1 - i); |
| 1467 | Assert.assertEquals(Long.numberOfLeadingZeros((1L << i) | 1L), Long.SIZE - 1 - i); |
| 1468 | Assert.assertEquals(Long.numberOfLeadingZeros(0xFFFFFFFFFFFFFFFFL >>> i), i); |
| 1469 | } |
| 1470 | } |
| 1471 | |
| Alexei Zavjalov | eb24bae | 2014-07-08 16:27:17 +0700 | [diff] [blame] | 1472 | static Object runtime; |
| 1473 | static Method address_of; |
| Zuo Wang | f37a88b | 2014-07-10 04:26:41 -0700 | [diff] [blame] | 1474 | static Method new_non_movable_array; |
| Alexei Zavjalov | eb24bae | 2014-07-08 16:27:17 +0700 | [diff] [blame] | 1475 | static Method peek_byte; |
| 1476 | static Method peek_short; |
| 1477 | static Method peek_int; |
| 1478 | static Method peek_long; |
| 1479 | static Method poke_byte; |
| 1480 | static Method poke_short; |
| 1481 | static Method poke_int; |
| 1482 | static Method poke_long; |
| 1483 | |
| 1484 | public static void initSupportMethodsForPeekPoke() throws Exception { |
| 1485 | Class<?> vm_runtime = Class.forName("dalvik.system.VMRuntime"); |
| 1486 | Method get_runtime = vm_runtime.getDeclaredMethod("getRuntime"); |
| 1487 | runtime = get_runtime.invoke(null); |
| 1488 | address_of = vm_runtime.getDeclaredMethod("addressOf", Object.class); |
| Zuo Wang | f37a88b | 2014-07-10 04:26:41 -0700 | [diff] [blame] | 1489 | new_non_movable_array = vm_runtime.getDeclaredMethod("newNonMovableArray", Class.class, Integer.TYPE); |
| Alexei Zavjalov | eb24bae | 2014-07-08 16:27:17 +0700 | [diff] [blame] | 1490 | |
| 1491 | Class<?> io_memory = Class.forName("libcore.io.Memory"); |
| 1492 | peek_byte = io_memory.getDeclaredMethod("peekByte", Long.TYPE); |
| 1493 | peek_int = io_memory.getDeclaredMethod("peekInt", Long.TYPE, Boolean.TYPE); |
| 1494 | peek_short = io_memory.getDeclaredMethod("peekShort", Long.TYPE, Boolean.TYPE); |
| 1495 | peek_long = io_memory.getDeclaredMethod("peekLong", Long.TYPE, Boolean.TYPE); |
| 1496 | poke_byte = io_memory.getDeclaredMethod("pokeByte", Long.TYPE, Byte.TYPE); |
| 1497 | poke_short = io_memory.getDeclaredMethod("pokeShort", Long.TYPE, Short.TYPE, Boolean.TYPE); |
| 1498 | poke_int = io_memory.getDeclaredMethod("pokeInt", Long.TYPE, Integer.TYPE, Boolean.TYPE); |
| 1499 | poke_long = io_memory.getDeclaredMethod("pokeLong", Long.TYPE, Long.TYPE, Boolean.TYPE); |
| 1500 | } |
| 1501 | |
| 1502 | public static void test_Memory_peekByte() throws Exception { |
| Zuo Wang | f37a88b | 2014-07-10 04:26:41 -0700 | [diff] [blame] | 1503 | byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 2); |
| Alexei Zavjalov | eb24bae | 2014-07-08 16:27:17 +0700 | [diff] [blame] | 1504 | b[0] = 0x12; |
| 1505 | b[1] = 0x11; |
| 1506 | long address = (long)address_of.invoke(runtime, b); |
| 1507 | Assert.assertEquals((byte)peek_byte.invoke(null, address), 0x12); |
| 1508 | Assert.assertEquals((byte)peek_byte.invoke(null, address + 1), 0x11); |
| 1509 | } |
| 1510 | |
| 1511 | public static void test_Memory_peekShort() throws Exception { |
| Zuo Wang | f37a88b | 2014-07-10 04:26:41 -0700 | [diff] [blame] | 1512 | byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 3); |
| Alexei Zavjalov | eb24bae | 2014-07-08 16:27:17 +0700 | [diff] [blame] | 1513 | b[0] = 0x13; |
| 1514 | b[1] = 0x12; |
| 1515 | b[2] = 0x11; |
| 1516 | long address = (long)address_of.invoke(runtime, b); |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1517 | peek_short.invoke(null, address, false); |
| Alexei Zavjalov | eb24bae | 2014-07-08 16:27:17 +0700 | [diff] [blame] | 1518 | Assert.assertEquals((short)peek_short.invoke(null, address, false), 0x1213); // Aligned read |
| 1519 | Assert.assertEquals((short)peek_short.invoke(null, address + 1, false), 0x1112); // Unaligned read |
| 1520 | } |
| 1521 | |
| 1522 | public static void test_Memory_peekInt() throws Exception { |
| Zuo Wang | f37a88b | 2014-07-10 04:26:41 -0700 | [diff] [blame] | 1523 | byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 5); |
| Alexei Zavjalov | eb24bae | 2014-07-08 16:27:17 +0700 | [diff] [blame] | 1524 | b[0] = 0x15; |
| 1525 | b[1] = 0x14; |
| 1526 | b[2] = 0x13; |
| 1527 | b[3] = 0x12; |
| 1528 | b[4] = 0x11; |
| 1529 | long address = (long)address_of.invoke(runtime, b); |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1530 | peek_int.invoke(null, address, false); |
| Alexei Zavjalov | eb24bae | 2014-07-08 16:27:17 +0700 | [diff] [blame] | 1531 | Assert.assertEquals((int)peek_int.invoke(null, address, false), 0x12131415); |
| 1532 | Assert.assertEquals((int)peek_int.invoke(null, address + 1, false), 0x11121314); |
| 1533 | } |
| 1534 | |
| 1535 | public static void test_Memory_peekLong() throws Exception { |
| Zuo Wang | f37a88b | 2014-07-10 04:26:41 -0700 | [diff] [blame] | 1536 | byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 9); |
| Alexei Zavjalov | eb24bae | 2014-07-08 16:27:17 +0700 | [diff] [blame] | 1537 | b[0] = 0x19; |
| 1538 | b[1] = 0x18; |
| 1539 | b[2] = 0x17; |
| 1540 | b[3] = 0x16; |
| 1541 | b[4] = 0x15; |
| 1542 | b[5] = 0x14; |
| 1543 | b[6] = 0x13; |
| 1544 | b[7] = 0x12; |
| 1545 | b[8] = 0x11; |
| 1546 | long address = (long)address_of.invoke(runtime, b); |
| Chao-ying Fu | ff87d7b | 2015-01-19 15:51:57 -0800 | [diff] [blame] | 1547 | peek_long.invoke(null, address, false); |
| Alexei Zavjalov | eb24bae | 2014-07-08 16:27:17 +0700 | [diff] [blame] | 1548 | Assert.assertEquals((long)peek_long.invoke(null, address, false), 0x1213141516171819L); |
| 1549 | Assert.assertEquals((long)peek_long.invoke(null, address + 1, false), 0x1112131415161718L); |
| 1550 | } |
| 1551 | |
| 1552 | public static void test_Memory_pokeByte() throws Exception { |
| 1553 | byte[] r = {0x11, 0x12}; |
| Zuo Wang | f37a88b | 2014-07-10 04:26:41 -0700 | [diff] [blame] | 1554 | byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 2); |
| Alexei Zavjalov | eb24bae | 2014-07-08 16:27:17 +0700 | [diff] [blame] | 1555 | long address = (long)address_of.invoke(runtime, b); |
| 1556 | poke_byte.invoke(null, address, (byte)0x11); |
| 1557 | poke_byte.invoke(null, address + 1, (byte)0x12); |
| 1558 | Assert.assertTrue(Arrays.equals(r, b)); |
| 1559 | } |
| 1560 | |
| 1561 | public static void test_Memory_pokeShort() throws Exception { |
| 1562 | byte[] ra = {0x12, 0x11, 0x13}; |
| 1563 | byte[] ru = {0x12, 0x22, 0x21}; |
| Zuo Wang | f37a88b | 2014-07-10 04:26:41 -0700 | [diff] [blame] | 1564 | byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 3); |
| Alexei Zavjalov | eb24bae | 2014-07-08 16:27:17 +0700 | [diff] [blame] | 1565 | long address = (long)address_of.invoke(runtime, b); |
| 1566 | |
| 1567 | // Aligned write |
| 1568 | b[2] = 0x13; |
| 1569 | poke_short.invoke(null, address, (short)0x1112, false); |
| 1570 | Assert.assertTrue(Arrays.equals(ra, b)); |
| 1571 | |
| 1572 | // Unaligned write |
| 1573 | poke_short.invoke(null, address + 1, (short)0x2122, false); |
| 1574 | Assert.assertTrue(Arrays.equals(ru, b)); |
| 1575 | } |
| 1576 | |
| 1577 | public static void test_Memory_pokeInt() throws Exception { |
| 1578 | byte[] ra = {0x14, 0x13, 0x12, 0x11, 0x15}; |
| 1579 | byte[] ru = {0x14, 0x24, 0x23, 0x22, 0x21}; |
| Zuo Wang | f37a88b | 2014-07-10 04:26:41 -0700 | [diff] [blame] | 1580 | byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 5); |
| Alexei Zavjalov | eb24bae | 2014-07-08 16:27:17 +0700 | [diff] [blame] | 1581 | long address = (long)address_of.invoke(runtime, b); |
| 1582 | |
| 1583 | b[4] = 0x15; |
| 1584 | poke_int.invoke(null, address, (int)0x11121314, false); |
| 1585 | Assert.assertTrue(Arrays.equals(ra, b)); |
| 1586 | |
| 1587 | poke_int.invoke(null, address + 1, (int)0x21222324, false); |
| 1588 | Assert.assertTrue(Arrays.equals(ru, b)); |
| 1589 | } |
| 1590 | |
| 1591 | public static void test_Memory_pokeLong() throws Exception { |
| 1592 | byte[] ra = {0x18, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x19}; |
| 1593 | byte[] ru = {0x18, 0x28, 0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0x21}; |
| Zuo Wang | f37a88b | 2014-07-10 04:26:41 -0700 | [diff] [blame] | 1594 | byte[] b = (byte[])new_non_movable_array.invoke(runtime, Byte.TYPE, 9); |
| Alexei Zavjalov | eb24bae | 2014-07-08 16:27:17 +0700 | [diff] [blame] | 1595 | long address = (long)address_of.invoke(runtime, b); |
| 1596 | |
| 1597 | b[8] = 0x19; |
| 1598 | poke_long.invoke(null, address, (long)0x1112131415161718L, false); |
| 1599 | Assert.assertTrue(Arrays.equals(ra, b)); |
| 1600 | |
| 1601 | poke_long.invoke(null, address + 1, (long)0x2122232425262728L, false); |
| 1602 | Assert.assertTrue(Arrays.equals(ru, b)); |
| 1603 | } |
| Scott Wakeling | 9ee23f4 | 2015-07-23 10:44:35 +0100 | [diff] [blame] | 1604 | |
| 1605 | public static void test_Integer_numberOfTrailingZeros() { |
| 1606 | Assert.assertEquals(Integer.numberOfTrailingZeros(0), Integer.SIZE); |
| 1607 | for (int i = 0; i < Integer.SIZE; i++) { |
| 1608 | Assert.assertEquals( |
| 1609 | Integer.numberOfTrailingZeros(0x80000000 >> i), |
| 1610 | Integer.SIZE - 1 - i); |
| 1611 | Assert.assertEquals( |
| 1612 | Integer.numberOfTrailingZeros((0x80000000 >> i) | 0x80000000), |
| 1613 | Integer.SIZE - 1 - i); |
| 1614 | Assert.assertEquals(Integer.numberOfTrailingZeros(1 << i), i); |
| 1615 | } |
| 1616 | } |
| 1617 | |
| 1618 | public static void test_Long_numberOfTrailingZeros() { |
| 1619 | Assert.assertEquals(Long.numberOfTrailingZeros(0), Long.SIZE); |
| 1620 | for (int i = 0; i < Long.SIZE; i++) { |
| 1621 | Assert.assertEquals( |
| 1622 | Long.numberOfTrailingZeros(0x8000000000000000L >> i), |
| 1623 | Long.SIZE - 1 - i); |
| 1624 | Assert.assertEquals( |
| 1625 | Long.numberOfTrailingZeros((0x8000000000000000L >> i) | 0x8000000000000000L), |
| 1626 | Long.SIZE - 1 - i); |
| 1627 | Assert.assertEquals(Long.numberOfTrailingZeros(1L << i), i); |
| 1628 | } |
| 1629 | } |
| 1630 | |
| 1631 | public static void test_Integer_rotateRight() throws Exception { |
| 1632 | Assert.assertEquals(Integer.rotateRight(0x11, 0), 0x11); |
| 1633 | |
| 1634 | Assert.assertEquals(Integer.rotateRight(0x11, 1), 0x80000008); |
| 1635 | Assert.assertEquals(Integer.rotateRight(0x11, Integer.SIZE - 1), 0x22); |
| 1636 | Assert.assertEquals(Integer.rotateRight(0x11, Integer.SIZE), 0x11); |
| 1637 | Assert.assertEquals(Integer.rotateRight(0x11, Integer.SIZE + 1), 0x80000008); |
| 1638 | |
| 1639 | Assert.assertEquals(Integer.rotateRight(0x11, -1), 0x22); |
| 1640 | Assert.assertEquals(Integer.rotateRight(0x11, -(Integer.SIZE - 1)), 0x80000008); |
| 1641 | Assert.assertEquals(Integer.rotateRight(0x11, -Integer.SIZE), 0x11); |
| 1642 | Assert.assertEquals(Integer.rotateRight(0x11, -(Integer.SIZE + 1)), 0x22); |
| 1643 | |
| 1644 | Assert.assertEquals(Integer.rotateRight(0x80000000, 1), 0x40000000); |
| 1645 | |
| 1646 | for (int i = 0; i < Integer.SIZE; i++) { |
| 1647 | Assert.assertEquals( |
| 1648 | Integer.rotateRight(0xBBAAAADD, i), |
| 1649 | (0xBBAAAADD >>> i) | (0xBBAAAADD << (Integer.SIZE - i))); |
| 1650 | } |
| 1651 | } |
| 1652 | |
| 1653 | public static void test_Long_rotateRight() throws Exception { |
| 1654 | Assert.assertEquals(Long.rotateRight(0x11, 0), 0x11); |
| 1655 | |
| 1656 | Assert.assertEquals(Long.rotateRight(0x11, 1), 0x8000000000000008L); |
| 1657 | Assert.assertEquals(Long.rotateRight(0x11, Long.SIZE - 1), 0x22); |
| 1658 | Assert.assertEquals(Long.rotateRight(0x11, Long.SIZE), 0x11); |
| 1659 | Assert.assertEquals(Long.rotateRight(0x11, Long.SIZE + 1), 0x8000000000000008L); |
| 1660 | |
| 1661 | Assert.assertEquals(Long.rotateRight(0x11, -1), 0x22); |
| 1662 | Assert.assertEquals(Long.rotateRight(0x11, -(Long.SIZE - 1)), 0x8000000000000008L); |
| 1663 | Assert.assertEquals(Long.rotateRight(0x11, -Long.SIZE), 0x11); |
| 1664 | Assert.assertEquals(Long.rotateRight(0x11, -(Long.SIZE + 1)), 0x22); |
| 1665 | |
| 1666 | Assert.assertEquals(Long.rotateRight(0x8000000000000000L, 1), 0x4000000000000000L); |
| 1667 | |
| 1668 | for (int i = 0; i < Long.SIZE; i++) { |
| 1669 | Assert.assertEquals( |
| 1670 | Long.rotateRight(0xBBAAAADDFF0000DDL, i), |
| 1671 | (0xBBAAAADDFF0000DDL >>> i) | (0xBBAAAADDFF0000DDL << (Long.SIZE - i))); |
| 1672 | } |
| 1673 | } |
| 1674 | |
| 1675 | public static void test_Integer_rotateLeft() throws Exception { |
| 1676 | Assert.assertEquals(Integer.rotateLeft(0x11, 0), 0x11); |
| 1677 | |
| 1678 | Assert.assertEquals(Integer.rotateLeft(0x11, 1), 0x22); |
| 1679 | Assert.assertEquals(Integer.rotateLeft(0x11, Integer.SIZE - 1), 0x80000008); |
| 1680 | Assert.assertEquals(Integer.rotateLeft(0x11, Integer.SIZE), 0x11); |
| 1681 | Assert.assertEquals(Integer.rotateLeft(0x11, Integer.SIZE + 1), 0x22); |
| 1682 | |
| 1683 | Assert.assertEquals(Integer.rotateLeft(0x11, -1), 0x80000008); |
| 1684 | Assert.assertEquals(Integer.rotateLeft(0x11, -(Integer.SIZE - 1)), 0x22); |
| 1685 | Assert.assertEquals(Integer.rotateLeft(0x11, -Integer.SIZE), 0x11); |
| 1686 | Assert.assertEquals(Integer.rotateLeft(0x11, -(Integer.SIZE + 1)), 0x80000008); |
| 1687 | |
| 1688 | Assert.assertEquals(Integer.rotateLeft(0xC0000000, 1), 0x80000001); |
| 1689 | |
| 1690 | for (int i = 0; i < Integer.SIZE; i++) { |
| 1691 | Assert.assertEquals( |
| 1692 | Integer.rotateLeft(0xBBAAAADD, i), |
| 1693 | (0xBBAAAADD << i) | (0xBBAAAADD >>> (Integer.SIZE - i))); |
| 1694 | } |
| 1695 | } |
| 1696 | |
| 1697 | public static void test_Long_rotateLeft() throws Exception { |
| 1698 | Assert.assertEquals(Long.rotateLeft(0x11, 0), 0x11); |
| 1699 | |
| 1700 | Assert.assertEquals(Long.rotateLeft(0x11, 1), 0x22); |
| 1701 | Assert.assertEquals(Long.rotateLeft(0x11, Long.SIZE - 1), 0x8000000000000008L); |
| 1702 | Assert.assertEquals(Long.rotateLeft(0x11, Long.SIZE), 0x11); |
| 1703 | Assert.assertEquals(Long.rotateLeft(0x11, Long.SIZE + 1), 0x22); |
| 1704 | |
| 1705 | Assert.assertEquals(Long.rotateLeft(0x11, -1), 0x8000000000000008L); |
| 1706 | Assert.assertEquals(Long.rotateLeft(0x11, -(Long.SIZE - 1)), 0x22); |
| 1707 | Assert.assertEquals(Long.rotateLeft(0x11, -Long.SIZE), 0x11); |
| 1708 | Assert.assertEquals(Long.rotateLeft(0x11, -(Long.SIZE + 1)), 0x8000000000000008L); |
| 1709 | |
| 1710 | Assert.assertEquals(Long.rotateLeft(0xC000000000000000L, 1), 0x8000000000000001L); |
| 1711 | |
| 1712 | for (int i = 0; i < Long.SIZE; i++) { |
| 1713 | Assert.assertEquals( |
| 1714 | Long.rotateLeft(0xBBAAAADDFF0000DDL, i), |
| 1715 | (0xBBAAAADDFF0000DDL << i) | (0xBBAAAADDFF0000DDL >>> (Long.SIZE - i))); |
| 1716 | } |
| 1717 | } |
| 1718 | |
| 1719 | public static void test_Integer_rotateRightLeft() throws Exception { |
| 1720 | for (int i = 0; i < Integer.SIZE * 2; i++) { |
| 1721 | Assert.assertEquals(Integer.rotateLeft(0xBBAAAADD, i), |
| 1722 | Integer.rotateRight(0xBBAAAADD, -i)); |
| 1723 | Assert.assertEquals(Integer.rotateLeft(0xBBAAAADD, -i), |
| 1724 | Integer.rotateRight(0xBBAAAADD, i)); |
| 1725 | } |
| 1726 | } |
| 1727 | |
| 1728 | public static void test_Long_rotateRightLeft() throws Exception { |
| 1729 | for (int i = 0; i < Long.SIZE * 2; i++) { |
| 1730 | Assert.assertEquals(Long.rotateLeft(0xBBAAAADDFF0000DDL, i), |
| 1731 | Long.rotateRight(0xBBAAAADDFF0000DDL, -i)); |
| 1732 | Assert.assertEquals(Long.rotateLeft(0xBBAAAADDFF0000DDL, -i), |
| 1733 | Long.rotateRight(0xBBAAAADDFF0000DDL, i)); |
| 1734 | } |
| 1735 | } |
| jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame] | 1736 | } |