tools/aapt2/compile/NinePatch_test.cpp - frameworks_base - Gitiles

 /*
  * Copyright (C) 2016 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 #include "compile/Image.h"
 #include "test/Test.h"

 namespace aapt {

 // Pixels are in RGBA_8888 packing.

 #define RED "\xff\x00\x00\xff"
 #define BLUE "\x00\x00\xff\xff"
 #define GREEN "\xff\x00\x00\xff"
 #define GR_70 "\xff\x00\x00\xb3"
 #define GR_50 "\xff\x00\x00\x80"
 #define GR_20 "\xff\x00\x00\x33"
 #define BLACK "\x00\x00\x00\xff"
 #define WHITE "\xff\xff\xff\xff"
 #define TRANS "\x00\x00\x00\x00"

 static uint8_t* k2x2[] = {
     (uint8_t*)WHITE WHITE, (uint8_t*)WHITE WHITE,
 };

 static uint8_t* kMixedNeutralColor3x3[] = {
     (uint8_t*)WHITE BLACK TRANS, (uint8_t*)TRANS RED TRANS,
     (uint8_t*)WHITE WHITE WHITE,
 };

 static uint8_t* kTransparentNeutralColor3x3[] = {
     (uint8_t*)TRANS BLACK TRANS, (uint8_t*)BLACK RED BLACK,
     (uint8_t*)TRANS BLACK TRANS,
 };

 static uint8_t* kSingleStretch7x6[] = {
     (uint8_t*)WHITE WHITE BLACK BLACK BLACK WHITE WHITE,
     (uint8_t*)WHITE RED RED RED RED RED WHITE,
     (uint8_t*)BLACK RED RED RED RED RED WHITE,
     (uint8_t*)BLACK RED RED RED RED RED WHITE,
     (uint8_t*)WHITE RED RED RED RED RED WHITE,
     (uint8_t*)WHITE WHITE WHITE WHITE WHITE WHITE WHITE,
 };

 static uint8_t* kMultipleStretch10x7[] = {
     (uint8_t*)WHITE WHITE BLACK WHITE BLACK BLACK WHITE BLACK WHITE WHITE,
     (uint8_t*)BLACK RED BLUE RED BLUE BLUE RED BLUE RED WHITE,
     (uint8_t*)BLACK RED BLUE RED BLUE BLUE RED BLUE RED WHITE,
     (uint8_t*)WHITE RED BLUE RED BLUE BLUE RED BLUE RED WHITE,
     (uint8_t*)BLACK RED BLUE RED BLUE BLUE RED BLUE RED WHITE,
     (uint8_t*)BLACK RED BLUE RED BLUE BLUE RED BLUE RED WHITE,
     (uint8_t*)WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE,
 };

 static uint8_t* kPadding6x5[] = {
     (uint8_t*)WHITE WHITE WHITE WHITE WHITE WHITE,
     (uint8_t*)WHITE WHITE WHITE WHITE WHITE WHITE,
     (uint8_t*)WHITE WHITE WHITE WHITE WHITE BLACK,
     (uint8_t*)WHITE WHITE WHITE WHITE WHITE WHITE,
     (uint8_t*)WHITE WHITE BLACK BLACK WHITE WHITE,
 };

 static uint8_t* kLayoutBoundsWrongEdge3x3[] = {
     (uint8_t*)WHITE RED WHITE, (uint8_t*)RED WHITE WHITE,
     (uint8_t*)WHITE WHITE WHITE,
 };

 static uint8_t* kLayoutBoundsNotEdgeAligned5x5[] = {
     (uint8_t*)WHITE WHITE WHITE WHITE WHITE,
     (uint8_t*)WHITE WHITE WHITE WHITE WHITE,
     (uint8_t*)WHITE WHITE WHITE WHITE RED,
     (uint8_t*)WHITE WHITE WHITE WHITE WHITE,
     (uint8_t*)WHITE WHITE RED WHITE WHITE,
 };

 static uint8_t* kLayoutBounds5x5[] = {
     (uint8_t*)WHITE WHITE WHITE WHITE WHITE,
     (uint8_t*)WHITE WHITE WHITE WHITE RED,
     (uint8_t*)WHITE WHITE WHITE WHITE WHITE,
     (uint8_t*)WHITE WHITE WHITE WHITE RED,
     (uint8_t*)WHITE RED WHITE RED WHITE,
 };

 static uint8_t* kAsymmetricLayoutBounds5x5[] = {
     (uint8_t*)WHITE WHITE WHITE WHITE WHITE,
     (uint8_t*)WHITE WHITE WHITE WHITE RED,
     (uint8_t*)WHITE WHITE WHITE WHITE WHITE,
     (uint8_t*)WHITE WHITE WHITE WHITE WHITE,
     (uint8_t*)WHITE RED WHITE WHITE WHITE,
 };

 static uint8_t* kPaddingAndLayoutBounds5x5[] = {
     (uint8_t*)WHITE WHITE WHITE WHITE WHITE,
     (uint8_t*)WHITE WHITE WHITE WHITE RED,
     (uint8_t*)WHITE WHITE WHITE WHITE BLACK,
     (uint8_t*)WHITE WHITE WHITE WHITE RED,
     (uint8_t*)WHITE RED BLACK RED WHITE,
 };

 static uint8_t* kColorfulImage5x5[] = {
     (uint8_t*)WHITE BLACK WHITE BLACK WHITE,
     (uint8_t*)BLACK RED BLUE GREEN WHITE,
     (uint8_t*)BLACK RED GREEN GREEN WHITE,
     (uint8_t*)WHITE TRANS BLUE GREEN WHITE,
     (uint8_t*)WHITE WHITE WHITE WHITE WHITE,
 };

 static uint8_t* kOutlineOpaque10x10[] = {
     (uint8_t*)WHITE BLACK BLACK BLACK BLACK BLACK BLACK BLACK BLACK WHITE,
     (uint8_t*)WHITE TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS WHITE,
     (uint8_t*)WHITE TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS WHITE,
     (uint8_t*)WHITE TRANS TRANS GREEN GREEN GREEN GREEN TRANS TRANS WHITE,
     (uint8_t*)WHITE TRANS TRANS GREEN GREEN GREEN GREEN TRANS TRANS WHITE,
     (uint8_t*)WHITE TRANS TRANS GREEN GREEN GREEN GREEN TRANS TRANS WHITE,
     (uint8_t*)WHITE TRANS TRANS GREEN GREEN GREEN GREEN TRANS TRANS WHITE,
     (uint8_t*)WHITE TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS WHITE,
     (uint8_t*)WHITE TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS WHITE,
     (uint8_t*)WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE,
 };

 static uint8_t* kOutlineTranslucent10x10[] = {
     (uint8_t*)WHITE BLACK BLACK BLACK BLACK BLACK BLACK BLACK BLACK WHITE,
     (uint8_t*)WHITE TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS WHITE,
     (uint8_t*)WHITE TRANS TRANS GR_20 GR_20 GR_20 GR_20 TRANS TRANS WHITE,
     (uint8_t*)WHITE TRANS TRANS GR_50 GR_50 GR_50 GR_50 TRANS TRANS WHITE,
     (uint8_t*)WHITE TRANS GR_20 GR_50 GR_70 GR_70 GR_50 GR_20 TRANS WHITE,
     (uint8_t*)WHITE TRANS GR_20 GR_50 GR_70 GR_70 GR_50 GR_20 TRANS WHITE,
     (uint8_t*)WHITE TRANS TRANS GR_50 GR_50 GR_50 GR_50 TRANS TRANS WHITE,
     (uint8_t*)WHITE TRANS TRANS GR_20 GR_20 GR_20 GR_20 TRANS TRANS WHITE,
     (uint8_t*)WHITE TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS WHITE,
     (uint8_t*)WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE,
 };

 static uint8_t* kOutlineOffsetTranslucent12x10[] = {
     (uint8_t*)
         WHITE WHITE WHITE BLACK BLACK BLACK BLACK BLACK BLACK BLACK BLACK WHITE,
     (uint8_t*)
         WHITE TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS WHITE,
     (uint8_t*)
         WHITE TRANS TRANS TRANS TRANS GR_20 GR_20 GR_20 GR_20 TRANS TRANS WHITE,
     (uint8_t*)
         WHITE TRANS TRANS TRANS TRANS GR_50 GR_50 GR_50 GR_50 TRANS TRANS WHITE,
     (uint8_t*)
         WHITE TRANS TRANS TRANS GR_20 GR_50 GR_70 GR_70 GR_50 GR_20 TRANS WHITE,
     (uint8_t*)
         WHITE TRANS TRANS TRANS GR_20 GR_50 GR_70 GR_70 GR_50 GR_20 TRANS WHITE,
     (uint8_t*)
         WHITE TRANS TRANS TRANS TRANS GR_50 GR_50 GR_50 GR_50 TRANS TRANS WHITE,
     (uint8_t*)
         WHITE TRANS TRANS TRANS TRANS GR_20 GR_20 GR_20 GR_20 TRANS TRANS WHITE,
     (uint8_t*)
         WHITE TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS WHITE,
     (uint8_t*)
         WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE,
 };

 static uint8_t* kOutlineRadius5x5[] = {
     (uint8_t*)WHITE BLACK BLACK BLACK WHITE,
     (uint8_t*)BLACK TRANS GREEN TRANS WHITE,
     (uint8_t*)BLACK GREEN GREEN GREEN WHITE,
     (uint8_t*)BLACK TRANS GREEN TRANS WHITE,
     (uint8_t*)WHITE WHITE WHITE WHITE WHITE,
 };

 static uint8_t* kStretchAndPadding5x5[] = {
     (uint8_t*)WHITE WHITE BLACK WHITE WHITE, (uint8_t*)WHITE RED RED RED WHITE,
     (uint8_t*)BLACK RED RED RED BLACK,       (uint8_t*)WHITE RED RED RED WHITE,
     (uint8_t*)WHITE WHITE BLACK WHITE WHITE,
 };

 TEST(NinePatchTest, Minimum3x3) {
   std::string err;
   EXPECT_EQ(nullptr, NinePatch::create(k2x2, 2, 2, &err));
   EXPECT_FALSE(err.empty());
 }

 TEST(NinePatchTest, MixedNeutralColors) {
   std::string err;
   EXPECT_EQ(nullptr, NinePatch::create(kMixedNeutralColor3x3, 3, 3, &err));
   EXPECT_FALSE(err.empty());
 }

 TEST(NinePatchTest, TransparentNeutralColor) {
   std::string err;
   EXPECT_NE(nullptr,
             NinePatch::create(kTransparentNeutralColor3x3, 3, 3, &err));
 }

 TEST(NinePatchTest, SingleStretchRegion) {
   std::string err;
   std::unique_ptr<NinePatch> ninePatch =
       NinePatch::create(kSingleStretch7x6, 7, 6, &err);
   ASSERT_NE(nullptr, ninePatch);

   ASSERT_EQ(1u, ninePatch->horizontalStretchRegions.size());
   ASSERT_EQ(1u, ninePatch->verticalStretchRegions.size());

   EXPECT_EQ(Range(1, 4), ninePatch->horizontalStretchRegions.front());
   EXPECT_EQ(Range(1, 3), ninePatch->verticalStretchRegions.front());
 }

 TEST(NinePatchTest, MultipleStretchRegions) {
   std::string err;
   std::unique_ptr<NinePatch> ninePatch =
       NinePatch::create(kMultipleStretch10x7, 10, 7, &err);
   ASSERT_NE(nullptr, ninePatch);

   ASSERT_EQ(3u, ninePatch->horizontalStretchRegions.size());
   ASSERT_EQ(2u, ninePatch->verticalStretchRegions.size());

   EXPECT_EQ(Range(1, 2), ninePatch->horizontalStretchRegions[0]);
   EXPECT_EQ(Range(3, 5), ninePatch->horizontalStretchRegions[1]);
   EXPECT_EQ(Range(6, 7), ninePatch->horizontalStretchRegions[2]);

   EXPECT_EQ(Range(0, 2), ninePatch->verticalStretchRegions[0]);
   EXPECT_EQ(Range(3, 5), ninePatch->verticalStretchRegions[1]);
 }

 TEST(NinePatchTest, InferPaddingFromStretchRegions) {
   std::string err;
   std::unique_ptr<NinePatch> ninePatch =
       NinePatch::create(kMultipleStretch10x7, 10, 7, &err);
   ASSERT_NE(nullptr, ninePatch);
   EXPECT_EQ(Bounds(1, 0, 1, 0), ninePatch->padding);
 }

 TEST(NinePatchTest, Padding) {
   std::string err;
   std::unique_ptr<NinePatch> ninePatch =
       NinePatch::create(kPadding6x5, 6, 5, &err);
   ASSERT_NE(nullptr, ninePatch);
   EXPECT_EQ(Bounds(1, 1, 1, 1), ninePatch->padding);
 }

 TEST(NinePatchTest, LayoutBoundsAreOnWrongEdge) {
   std::string err;
   EXPECT_EQ(nullptr, NinePatch::create(kLayoutBoundsWrongEdge3x3, 3, 3, &err));
   EXPECT_FALSE(err.empty());
 }

 TEST(NinePatchTest, LayoutBoundsMustTouchEdges) {
   std::string err;
   EXPECT_EQ(nullptr,
             NinePatch::create(kLayoutBoundsNotEdgeAligned5x5, 5, 5, &err));
   EXPECT_FALSE(err.empty());
 }

 TEST(NinePatchTest, LayoutBounds) {
   std::string err;
   std::unique_ptr<NinePatch> ninePatch =
       NinePatch::create(kLayoutBounds5x5, 5, 5, &err);
   ASSERT_NE(nullptr, ninePatch);
   EXPECT_EQ(Bounds(1, 1, 1, 1), ninePatch->layoutBounds);

   ninePatch = NinePatch::create(kAsymmetricLayoutBounds5x5, 5, 5, &err);
   ASSERT_NE(nullptr, ninePatch);
   EXPECT_EQ(Bounds(1, 1, 0, 0), ninePatch->layoutBounds);
 }

 TEST(NinePatchTest, PaddingAndLayoutBounds) {
   std::string err;
   std::unique_ptr<NinePatch> ninePatch =
       NinePatch::create(kPaddingAndLayoutBounds5x5, 5, 5, &err);
   ASSERT_NE(nullptr, ninePatch);
   EXPECT_EQ(Bounds(1, 1, 1, 1), ninePatch->padding);
   EXPECT_EQ(Bounds(1, 1, 1, 1), ninePatch->layoutBounds);
 }

 TEST(NinePatchTest, RegionColorsAreCorrect) {
   std::string err;
   std::unique_ptr<NinePatch> ninePatch =
       NinePatch::create(kColorfulImage5x5, 5, 5, &err);
   ASSERT_NE(nullptr, ninePatch);

   std::vector<uint32_t> expectedColors = {
       NinePatch::packRGBA((uint8_t*)RED),
       (uint32_t)android::Res_png_9patch::NO_COLOR,
       NinePatch::packRGBA((uint8_t*)GREEN),
       (uint32_t)android::Res_png_9patch::TRANSPARENT_COLOR,
       NinePatch::packRGBA((uint8_t*)BLUE),
       NinePatch::packRGBA((uint8_t*)GREEN),
   };
   EXPECT_EQ(expectedColors, ninePatch->regionColors);
 }

 TEST(NinePatchTest, OutlineFromOpaqueImage) {
   std::string err;
   std::unique_ptr<NinePatch> ninePatch =
       NinePatch::create(kOutlineOpaque10x10, 10, 10, &err);
   ASSERT_NE(nullptr, ninePatch);
   EXPECT_EQ(Bounds(2, 2, 2, 2), ninePatch->outline);
   EXPECT_EQ(0x000000ffu, ninePatch->outlineAlpha);
   EXPECT_EQ(0.0f, ninePatch->outlineRadius);
 }

 TEST(NinePatchTest, OutlineFromTranslucentImage) {
   std::string err;
   std::unique_ptr<NinePatch> ninePatch =
       NinePatch::create(kOutlineTranslucent10x10, 10, 10, &err);
   ASSERT_NE(nullptr, ninePatch);
   EXPECT_EQ(Bounds(3, 3, 3, 3), ninePatch->outline);
   EXPECT_EQ(0x000000b3u, ninePatch->outlineAlpha);
   EXPECT_EQ(0.0f, ninePatch->outlineRadius);
 }

 TEST(NinePatchTest, OutlineFromOffCenterImage) {
   std::string err;
   std::unique_ptr<NinePatch> ninePatch =
       NinePatch::create(kOutlineOffsetTranslucent12x10, 12, 10, &err);
   ASSERT_NE(nullptr, ninePatch);

   // TODO(adamlesinski): The old AAPT algorithm searches from the outside to the
   // middle
   // for each inset. If the outline is shifted, the search may not find a closer
   // bounds.
   // This check should be:
   //   EXPECT_EQ(Bounds(5, 3, 3, 3), ninePatch->outline);
   // but until I know what behaviour I'm breaking, I will leave it at the
   // incorrect:
   EXPECT_EQ(Bounds(4, 3, 3, 3), ninePatch->outline);

   EXPECT_EQ(0x000000b3u, ninePatch->outlineAlpha);
   EXPECT_EQ(0.0f, ninePatch->outlineRadius);
 }

 TEST(NinePatchTest, OutlineRadius) {
   std::string err;
   std::unique_ptr<NinePatch> ninePatch =
       NinePatch::create(kOutlineRadius5x5, 5, 5, &err);
   ASSERT_NE(nullptr, ninePatch);
   EXPECT_EQ(Bounds(0, 0, 0, 0), ninePatch->outline);
   EXPECT_EQ(3.4142f, ninePatch->outlineRadius);
 }

 ::testing::AssertionResult bigEndianOne(uint8_t* cursor) {
   if (cursor[0] == 0 && cursor[1] == 0 && cursor[2] == 0 && cursor[3] == 1) {
     return ::testing::AssertionSuccess();
   }
   return ::testing::AssertionFailure() << "Not BigEndian 1";
 }

 TEST(NinePatchTest, SerializePngEndianness) {
   std::string err;
   std::unique_ptr<NinePatch> ninePatch =
       NinePatch::create(kStretchAndPadding5x5, 5, 5, &err);
   ASSERT_NE(nullptr, ninePatch);

   size_t len;
   std::unique_ptr<uint8_t[]> data = ninePatch->serializeBase(&len);
   ASSERT_NE(nullptr, data);
   ASSERT_NE(0u, len);

   // Skip past wasDeserialized + numXDivs + numYDivs + numColors + xDivsOffset +
   // yDivsOffset
   // (12 bytes)
   uint8_t* cursor = data.get() + 12;

   // Check that padding is big-endian. Expecting value 1.
   EXPECT_TRUE(bigEndianOne(cursor));
   EXPECT_TRUE(bigEndianOne(cursor + 4));
   EXPECT_TRUE(bigEndianOne(cursor + 8));
   EXPECT_TRUE(bigEndianOne(cursor + 12));
 }

 }  // namespace aapt
	/*
	* Copyright (C) 2016 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	#include "compile/Image.h"
	#include "test/Test.h"

	namespace aapt {

	// Pixels are in RGBA_8888 packing.

	#define RED "\xff\x00\x00\xff"
	#define BLUE "\x00\x00\xff\xff"
	#define GREEN "\xff\x00\x00\xff"
	#define GR_70 "\xff\x00\x00\xb3"
	#define GR_50 "\xff\x00\x00\x80"
	#define GR_20 "\xff\x00\x00\x33"
	#define BLACK "\x00\x00\x00\xff"
	#define WHITE "\xff\xff\xff\xff"
	#define TRANS "\x00\x00\x00\x00"

	static uint8_t* k2x2[] = {
	(uint8_t)WHITE WHITE, (uint8_t)WHITE WHITE,
	};

	static uint8_t* kMixedNeutralColor3x3[] = {
	(uint8_t)WHITE BLACK TRANS, (uint8_t)TRANS RED TRANS,
	(uint8_t*)WHITE WHITE WHITE,
	};

	static uint8_t* kTransparentNeutralColor3x3[] = {
	(uint8_t)TRANS BLACK TRANS, (uint8_t)BLACK RED BLACK,
	(uint8_t*)TRANS BLACK TRANS,
	};

	static uint8_t* kSingleStretch7x6[] = {
	(uint8_t*)WHITE WHITE BLACK BLACK BLACK WHITE WHITE,
	(uint8_t*)WHITE RED RED RED RED RED WHITE,
	(uint8_t*)BLACK RED RED RED RED RED WHITE,
	(uint8_t*)BLACK RED RED RED RED RED WHITE,
	(uint8_t*)WHITE RED RED RED RED RED WHITE,
	(uint8_t*)WHITE WHITE WHITE WHITE WHITE WHITE WHITE,
	};

	static uint8_t* kMultipleStretch10x7[] = {
	(uint8_t*)WHITE WHITE BLACK WHITE BLACK BLACK WHITE BLACK WHITE WHITE,
	(uint8_t*)BLACK RED BLUE RED BLUE BLUE RED BLUE RED WHITE,
	(uint8_t*)BLACK RED BLUE RED BLUE BLUE RED BLUE RED WHITE,
	(uint8_t*)WHITE RED BLUE RED BLUE BLUE RED BLUE RED WHITE,
	(uint8_t*)BLACK RED BLUE RED BLUE BLUE RED BLUE RED WHITE,
	(uint8_t*)BLACK RED BLUE RED BLUE BLUE RED BLUE RED WHITE,
	(uint8_t*)WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE,
	};

	static uint8_t* kPadding6x5[] = {
	(uint8_t*)WHITE WHITE WHITE WHITE WHITE WHITE,
	(uint8_t*)WHITE WHITE WHITE WHITE WHITE WHITE,
	(uint8_t*)WHITE WHITE WHITE WHITE WHITE BLACK,
	(uint8_t*)WHITE WHITE WHITE WHITE WHITE WHITE,
	(uint8_t*)WHITE WHITE BLACK BLACK WHITE WHITE,
	};

	static uint8_t* kLayoutBoundsWrongEdge3x3[] = {
	(uint8_t)WHITE RED WHITE, (uint8_t)RED WHITE WHITE,
	(uint8_t*)WHITE WHITE WHITE,
	};

	static uint8_t* kLayoutBoundsNotEdgeAligned5x5[] = {
	(uint8_t*)WHITE WHITE WHITE WHITE WHITE,
	(uint8_t*)WHITE WHITE WHITE WHITE WHITE,
	(uint8_t*)WHITE WHITE WHITE WHITE RED,
	(uint8_t*)WHITE WHITE WHITE WHITE WHITE,
	(uint8_t*)WHITE WHITE RED WHITE WHITE,
	};

	static uint8_t* kLayoutBounds5x5[] = {
	(uint8_t*)WHITE WHITE WHITE WHITE WHITE,
	(uint8_t*)WHITE WHITE WHITE WHITE RED,
	(uint8_t*)WHITE WHITE WHITE WHITE WHITE,
	(uint8_t*)WHITE WHITE WHITE WHITE RED,
	(uint8_t*)WHITE RED WHITE RED WHITE,
	};

	static uint8_t* kAsymmetricLayoutBounds5x5[] = {
	(uint8_t*)WHITE WHITE WHITE WHITE WHITE,
	(uint8_t*)WHITE WHITE WHITE WHITE RED,
	(uint8_t*)WHITE WHITE WHITE WHITE WHITE,
	(uint8_t*)WHITE WHITE WHITE WHITE WHITE,
	(uint8_t*)WHITE RED WHITE WHITE WHITE,
	};

	static uint8_t* kPaddingAndLayoutBounds5x5[] = {
	(uint8_t*)WHITE WHITE WHITE WHITE WHITE,
	(uint8_t*)WHITE WHITE WHITE WHITE RED,
	(uint8_t*)WHITE WHITE WHITE WHITE BLACK,
	(uint8_t*)WHITE WHITE WHITE WHITE RED,
	(uint8_t*)WHITE RED BLACK RED WHITE,
	};

	static uint8_t* kColorfulImage5x5[] = {
	(uint8_t*)WHITE BLACK WHITE BLACK WHITE,
	(uint8_t*)BLACK RED BLUE GREEN WHITE,
	(uint8_t*)BLACK RED GREEN GREEN WHITE,
	(uint8_t*)WHITE TRANS BLUE GREEN WHITE,
	(uint8_t*)WHITE WHITE WHITE WHITE WHITE,
	};

	static uint8_t* kOutlineOpaque10x10[] = {
	(uint8_t*)WHITE BLACK BLACK BLACK BLACK BLACK BLACK BLACK BLACK WHITE,
	(uint8_t*)WHITE TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS WHITE,
	(uint8_t*)WHITE TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS WHITE,
	(uint8_t*)WHITE TRANS TRANS GREEN GREEN GREEN GREEN TRANS TRANS WHITE,
	(uint8_t*)WHITE TRANS TRANS GREEN GREEN GREEN GREEN TRANS TRANS WHITE,
	(uint8_t*)WHITE TRANS TRANS GREEN GREEN GREEN GREEN TRANS TRANS WHITE,
	(uint8_t*)WHITE TRANS TRANS GREEN GREEN GREEN GREEN TRANS TRANS WHITE,
	(uint8_t*)WHITE TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS WHITE,
	(uint8_t*)WHITE TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS WHITE,
	(uint8_t*)WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE,
	};

	static uint8_t* kOutlineTranslucent10x10[] = {
	(uint8_t*)WHITE BLACK BLACK BLACK BLACK BLACK BLACK BLACK BLACK WHITE,
	(uint8_t*)WHITE TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS WHITE,
	(uint8_t*)WHITE TRANS TRANS GR_20 GR_20 GR_20 GR_20 TRANS TRANS WHITE,
	(uint8_t*)WHITE TRANS TRANS GR_50 GR_50 GR_50 GR_50 TRANS TRANS WHITE,
	(uint8_t*)WHITE TRANS GR_20 GR_50 GR_70 GR_70 GR_50 GR_20 TRANS WHITE,
	(uint8_t*)WHITE TRANS GR_20 GR_50 GR_70 GR_70 GR_50 GR_20 TRANS WHITE,
	(uint8_t*)WHITE TRANS TRANS GR_50 GR_50 GR_50 GR_50 TRANS TRANS WHITE,
	(uint8_t*)WHITE TRANS TRANS GR_20 GR_20 GR_20 GR_20 TRANS TRANS WHITE,
	(uint8_t*)WHITE TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS WHITE,
	(uint8_t*)WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE,
	};

	static uint8_t* kOutlineOffsetTranslucent12x10[] = {
	(uint8_t*)
	WHITE WHITE WHITE BLACK BLACK BLACK BLACK BLACK BLACK BLACK BLACK WHITE,
	(uint8_t*)
	WHITE TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS WHITE,
	(uint8_t*)
	WHITE TRANS TRANS TRANS TRANS GR_20 GR_20 GR_20 GR_20 TRANS TRANS WHITE,
	(uint8_t*)
	WHITE TRANS TRANS TRANS TRANS GR_50 GR_50 GR_50 GR_50 TRANS TRANS WHITE,
	(uint8_t*)
	WHITE TRANS TRANS TRANS GR_20 GR_50 GR_70 GR_70 GR_50 GR_20 TRANS WHITE,
	(uint8_t*)
	WHITE TRANS TRANS TRANS GR_20 GR_50 GR_70 GR_70 GR_50 GR_20 TRANS WHITE,
	(uint8_t*)
	WHITE TRANS TRANS TRANS TRANS GR_50 GR_50 GR_50 GR_50 TRANS TRANS WHITE,
	(uint8_t*)
	WHITE TRANS TRANS TRANS TRANS GR_20 GR_20 GR_20 GR_20 TRANS TRANS WHITE,
	(uint8_t*)
	WHITE TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS WHITE,
	(uint8_t*)
	WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE,
	};

	static uint8_t* kOutlineRadius5x5[] = {
	(uint8_t*)WHITE BLACK BLACK BLACK WHITE,
	(uint8_t*)BLACK TRANS GREEN TRANS WHITE,
	(uint8_t*)BLACK GREEN GREEN GREEN WHITE,
	(uint8_t*)BLACK TRANS GREEN TRANS WHITE,
	(uint8_t*)WHITE WHITE WHITE WHITE WHITE,
	};

	static uint8_t* kStretchAndPadding5x5[] = {
	(uint8_t)WHITE WHITE BLACK WHITE WHITE, (uint8_t)WHITE RED RED RED WHITE,
	(uint8_t)BLACK RED RED RED BLACK, (uint8_t)WHITE RED RED RED WHITE,
	(uint8_t*)WHITE WHITE BLACK WHITE WHITE,
	};

	TEST(NinePatchTest, Minimum3x3) {
	std::string err;
	EXPECT_EQ(nullptr, NinePatch::create(k2x2, 2, 2, &err));
	EXPECT_FALSE(err.empty());
	}

	TEST(NinePatchTest, MixedNeutralColors) {
	std::string err;
	EXPECT_EQ(nullptr, NinePatch::create(kMixedNeutralColor3x3, 3, 3, &err));
	EXPECT_FALSE(err.empty());
	}

	TEST(NinePatchTest, TransparentNeutralColor) {
	std::string err;
	EXPECT_NE(nullptr,
	NinePatch::create(kTransparentNeutralColor3x3, 3, 3, &err));
	}

	TEST(NinePatchTest, SingleStretchRegion) {
	std::string err;
	std::unique_ptr<NinePatch> ninePatch =
	NinePatch::create(kSingleStretch7x6, 7, 6, &err);
	ASSERT_NE(nullptr, ninePatch);

	ASSERT_EQ(1u, ninePatch->horizontalStretchRegions.size());
	ASSERT_EQ(1u, ninePatch->verticalStretchRegions.size());

	EXPECT_EQ(Range(1, 4), ninePatch->horizontalStretchRegions.front());
	EXPECT_EQ(Range(1, 3), ninePatch->verticalStretchRegions.front());
	}

	TEST(NinePatchTest, MultipleStretchRegions) {
	std::string err;
	std::unique_ptr<NinePatch> ninePatch =
	NinePatch::create(kMultipleStretch10x7, 10, 7, &err);
	ASSERT_NE(nullptr, ninePatch);

	ASSERT_EQ(3u, ninePatch->horizontalStretchRegions.size());
	ASSERT_EQ(2u, ninePatch->verticalStretchRegions.size());

	EXPECT_EQ(Range(1, 2), ninePatch->horizontalStretchRegions[0]);
	EXPECT_EQ(Range(3, 5), ninePatch->horizontalStretchRegions[1]);
	EXPECT_EQ(Range(6, 7), ninePatch->horizontalStretchRegions[2]);

	EXPECT_EQ(Range(0, 2), ninePatch->verticalStretchRegions[0]);
	EXPECT_EQ(Range(3, 5), ninePatch->verticalStretchRegions[1]);
	}

	TEST(NinePatchTest, InferPaddingFromStretchRegions) {
	std::string err;
	std::unique_ptr<NinePatch> ninePatch =
	NinePatch::create(kMultipleStretch10x7, 10, 7, &err);
	ASSERT_NE(nullptr, ninePatch);
	EXPECT_EQ(Bounds(1, 0, 1, 0), ninePatch->padding);
	}

	TEST(NinePatchTest, Padding) {
	std::string err;
	std::unique_ptr<NinePatch> ninePatch =
	NinePatch::create(kPadding6x5, 6, 5, &err);
	ASSERT_NE(nullptr, ninePatch);
	EXPECT_EQ(Bounds(1, 1, 1, 1), ninePatch->padding);
	}

	TEST(NinePatchTest, LayoutBoundsAreOnWrongEdge) {
	std::string err;
	EXPECT_EQ(nullptr, NinePatch::create(kLayoutBoundsWrongEdge3x3, 3, 3, &err));
	EXPECT_FALSE(err.empty());
	}

	TEST(NinePatchTest, LayoutBoundsMustTouchEdges) {
	std::string err;
	EXPECT_EQ(nullptr,
	NinePatch::create(kLayoutBoundsNotEdgeAligned5x5, 5, 5, &err));
	EXPECT_FALSE(err.empty());
	}

	TEST(NinePatchTest, LayoutBounds) {
	std::string err;
	std::unique_ptr<NinePatch> ninePatch =
	NinePatch::create(kLayoutBounds5x5, 5, 5, &err);
	ASSERT_NE(nullptr, ninePatch);
	EXPECT_EQ(Bounds(1, 1, 1, 1), ninePatch->layoutBounds);

	ninePatch = NinePatch::create(kAsymmetricLayoutBounds5x5, 5, 5, &err);
	ASSERT_NE(nullptr, ninePatch);
	EXPECT_EQ(Bounds(1, 1, 0, 0), ninePatch->layoutBounds);
	}

	TEST(NinePatchTest, PaddingAndLayoutBounds) {
	std::string err;
	std::unique_ptr<NinePatch> ninePatch =
	NinePatch::create(kPaddingAndLayoutBounds5x5, 5, 5, &err);
	ASSERT_NE(nullptr, ninePatch);
	EXPECT_EQ(Bounds(1, 1, 1, 1), ninePatch->padding);
	EXPECT_EQ(Bounds(1, 1, 1, 1), ninePatch->layoutBounds);
	}

	TEST(NinePatchTest, RegionColorsAreCorrect) {
	std::string err;
	std::unique_ptr<NinePatch> ninePatch =
	NinePatch::create(kColorfulImage5x5, 5, 5, &err);
	ASSERT_NE(nullptr, ninePatch);

	std::vector<uint32_t> expectedColors = {
	NinePatch::packRGBA((uint8_t*)RED),
	(uint32_t)android::Res_png_9patch::NO_COLOR,
	NinePatch::packRGBA((uint8_t*)GREEN),
	(uint32_t)android::Res_png_9patch::TRANSPARENT_COLOR,
	NinePatch::packRGBA((uint8_t*)BLUE),
	NinePatch::packRGBA((uint8_t*)GREEN),
	};
	EXPECT_EQ(expectedColors, ninePatch->regionColors);
	}

	TEST(NinePatchTest, OutlineFromOpaqueImage) {
	std::string err;
	std::unique_ptr<NinePatch> ninePatch =
	NinePatch::create(kOutlineOpaque10x10, 10, 10, &err);
	ASSERT_NE(nullptr, ninePatch);
	EXPECT_EQ(Bounds(2, 2, 2, 2), ninePatch->outline);
	EXPECT_EQ(0x000000ffu, ninePatch->outlineAlpha);
	EXPECT_EQ(0.0f, ninePatch->outlineRadius);
	}

	TEST(NinePatchTest, OutlineFromTranslucentImage) {
	std::string err;
	std::unique_ptr<NinePatch> ninePatch =
	NinePatch::create(kOutlineTranslucent10x10, 10, 10, &err);
	ASSERT_NE(nullptr, ninePatch);
	EXPECT_EQ(Bounds(3, 3, 3, 3), ninePatch->outline);
	EXPECT_EQ(0x000000b3u, ninePatch->outlineAlpha);
	EXPECT_EQ(0.0f, ninePatch->outlineRadius);
	}

	TEST(NinePatchTest, OutlineFromOffCenterImage) {
	std::string err;
	std::unique_ptr<NinePatch> ninePatch =
	NinePatch::create(kOutlineOffsetTranslucent12x10, 12, 10, &err);
	ASSERT_NE(nullptr, ninePatch);

	// TODO(adamlesinski): The old AAPT algorithm searches from the outside to the
	// middle
	// for each inset. If the outline is shifted, the search may not find a closer
	// bounds.
	// This check should be:
	// EXPECT_EQ(Bounds(5, 3, 3, 3), ninePatch->outline);
	// but until I know what behaviour I'm breaking, I will leave it at the
	// incorrect:
	EXPECT_EQ(Bounds(4, 3, 3, 3), ninePatch->outline);

	EXPECT_EQ(0x000000b3u, ninePatch->outlineAlpha);
	EXPECT_EQ(0.0f, ninePatch->outlineRadius);
	}

	TEST(NinePatchTest, OutlineRadius) {
	std::string err;
	std::unique_ptr<NinePatch> ninePatch =
	NinePatch::create(kOutlineRadius5x5, 5, 5, &err);
	ASSERT_NE(nullptr, ninePatch);
	EXPECT_EQ(Bounds(0, 0, 0, 0), ninePatch->outline);
	EXPECT_EQ(3.4142f, ninePatch->outlineRadius);
	}

	::testing::AssertionResult bigEndianOne(uint8_t* cursor) {
	if (cursor[0] == 0 && cursor[1] == 0 && cursor[2] == 0 && cursor[3] == 1) {
	return ::testing::AssertionSuccess();
	}
	return ::testing::AssertionFailure() << "Not BigEndian 1";
	}

	TEST(NinePatchTest, SerializePngEndianness) {
	std::string err;
	std::unique_ptr<NinePatch> ninePatch =
	NinePatch::create(kStretchAndPadding5x5, 5, 5, &err);
	ASSERT_NE(nullptr, ninePatch);

	size_t len;
	std::unique_ptr<uint8_t[]> data = ninePatch->serializeBase(&len);
	ASSERT_NE(nullptr, data);
	ASSERT_NE(0u, len);

	// Skip past wasDeserialized + numXDivs + numYDivs + numColors + xDivsOffset +
	// yDivsOffset
	// (12 bytes)
	uint8_t* cursor = data.get() + 12;

	// Check that padding is big-endian. Expecting value 1.
	EXPECT_TRUE(bigEndianOne(cursor));
	EXPECT_TRUE(bigEndianOne(cursor + 4));
	EXPECT_TRUE(bigEndianOne(cursor + 8));
	EXPECT_TRUE(bigEndianOne(cursor + 12));
	}

	} // namespace aapt