Reorganize hwui test directories
Now test-only common files reside in tests/common, and each test
executable type (macrobench, microbench, and unit) has a subdir there.
This change means the shared lib no longer has test code in it, and
sets up a means for scenes to be shared between tests.
Change-Id: I37b081f6977300e03fdd961b8e6439fde730605e
diff --git a/libs/hwui/tests/unit/FatVectorTests.cpp b/libs/hwui/tests/unit/FatVectorTests.cpp
new file mode 100644
index 0000000..64b0ba1
--- /dev/null
+++ b/libs/hwui/tests/unit/FatVectorTests.cpp
@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2015 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 <gtest/gtest.h>
+#include <utils/FatVector.h>
+
+#include <tests/common/TestUtils.h>
+
+using namespace android;
+using namespace android::uirenderer;
+
+template<class VectorType>
+static bool allocationIsInternal(VectorType& v) {
+ // allocation array (from &v[0] to &v[0] + v.capacity) is
+ // located within the vector object itself
+ return (char*)(&v) <= (char*)(&v[0])
+ && (char*)(&v + 1) >= (char*)(&v[0] + v.capacity());
+}
+
+TEST(FatVector, baseline) {
+ // Verify allocation behavior FatVector contrasts against - allocations are always external
+ std::vector<int> v;
+ for (int i = 0; i < 50; i++) {
+ v.push_back(i);
+ EXPECT_FALSE(allocationIsInternal(v));
+ }
+}
+
+TEST(FatVector, simpleAllocate) {
+ FatVector<int, 4> v;
+ EXPECT_EQ(4u, v.capacity());
+
+ // can insert 4 items into internal buffer
+ for (int i = 0; i < 4; i++) {
+ v.push_back(i);
+ EXPECT_TRUE(allocationIsInternal(v));
+ }
+
+ // then will fall back to external allocation
+ for (int i = 5; i < 50; i++) {
+ v.push_back(i);
+ EXPECT_FALSE(allocationIsInternal(v));
+ }
+}
+
+TEST(FatVector, preSizeConstructor) {
+ {
+ FatVector<int, 4> v(32);
+ EXPECT_EQ(32u, v.capacity());
+ EXPECT_EQ(32u, v.size());
+ EXPECT_FALSE(allocationIsInternal(v));
+ }
+ {
+ FatVector<int, 4> v(4);
+ EXPECT_EQ(4u, v.capacity());
+ EXPECT_EQ(4u, v.size());
+ EXPECT_TRUE(allocationIsInternal(v));
+ }
+ {
+ FatVector<int, 4> v(2);
+ EXPECT_EQ(4u, v.capacity());
+ EXPECT_EQ(2u, v.size());
+ EXPECT_TRUE(allocationIsInternal(v));
+ }
+}
+
+TEST(FatVector, shrink) {
+ FatVector<int, 10> v;
+ EXPECT_TRUE(allocationIsInternal(v));
+
+ // push into external alloc
+ v.resize(11);
+ EXPECT_FALSE(allocationIsInternal(v));
+
+ // shrinking back to internal alloc succeeds
+ // note that shrinking further will succeed, but is a waste
+ v.resize(10);
+ v.shrink_to_fit();
+ EXPECT_TRUE(allocationIsInternal(v));
+}
+
+TEST(FatVector, destructorInternal) {
+ int count = 0;
+ {
+ // push 1 into external allocation, verify destruction happens once
+ FatVector<TestUtils::SignalingDtor, 0> v;
+ v.emplace_back(&count);
+ EXPECT_FALSE(allocationIsInternal(v));
+ EXPECT_EQ(0, count) << "Destruction shouldn't have happened yet";
+ }
+ EXPECT_EQ(1, count) << "Destruction should happen exactly once";
+}
+
+TEST(FatVector, destructorExternal) {
+ int count = 0;
+ {
+ // push 10 into internal allocation, verify 10 destructors called
+ FatVector<TestUtils::SignalingDtor, 10> v;
+ for (int i = 0; i < 10; i++) {
+ v.emplace_back(&count);
+ EXPECT_TRUE(allocationIsInternal(v));
+ }
+ EXPECT_EQ(0, count) << "Destruction shouldn't have happened yet";
+ }
+ EXPECT_EQ(10, count) << "Destruction should happen exactly once";
+}