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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include <stdint.h> | 5 #include <stdint.h> |
6 | 6 |
7 #include "base/at_exit.h" | 7 #include "base/at_exit.h" |
8 #include "base/memory/singleton.h" | 8 #include "base/memory/singleton.h" |
9 #include "testing/gtest/include/gtest/gtest.h" | 9 #include "testing/gtest/include/gtest/gtest.h" |
10 | 10 |
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269 EXPECT_EQ(0u, reinterpret_cast<uintptr_t>(ptr) & (align - 1)) | 269 EXPECT_EQ(0u, reinterpret_cast<uintptr_t>(ptr) & (align - 1)) |
270 | 270 |
271 TEST_F(SingletonTest, Alignment) { | 271 TEST_F(SingletonTest, Alignment) { |
272 using base::AlignedMemory; | 272 using base::AlignedMemory; |
273 | 273 |
274 // Create some static singletons with increasing sizes and alignment | 274 // Create some static singletons with increasing sizes and alignment |
275 // requirements. By ordering this way, the linker will need to do some work to | 275 // requirements. By ordering this way, the linker will need to do some work to |
276 // ensure proper alignment of the static data. | 276 // ensure proper alignment of the static data. |
277 AlignedTestSingleton<int32_t>* align4 = | 277 AlignedTestSingleton<int32_t>* align4 = |
278 AlignedTestSingleton<int32_t>::GetInstance(); | 278 AlignedTestSingleton<int32_t>::GetInstance(); |
| 279 AlignedTestSingleton<AlignedMemory<8, 8>>* align8 = |
| 280 AlignedTestSingleton<AlignedMemory<8, 8>>::GetInstance(); |
| 281 AlignedTestSingleton<AlignedMemory<16, 16>>* align16 = |
| 282 AlignedTestSingleton<AlignedMemory<16, 16>>::GetInstance(); |
279 AlignedTestSingleton<AlignedMemory<32, 32> >* align32 = | 283 AlignedTestSingleton<AlignedMemory<32, 32> >* align32 = |
280 AlignedTestSingleton<AlignedMemory<32, 32> >::GetInstance(); | 284 AlignedTestSingleton<AlignedMemory<32, 32> >::GetInstance(); |
281 AlignedTestSingleton<AlignedMemory<128, 128> >* align128 = | 285 AlignedTestSingleton<AlignedMemory<64, 64>>* align64 = |
282 AlignedTestSingleton<AlignedMemory<128, 128> >::GetInstance(); | 286 AlignedTestSingleton<AlignedMemory<64, 64>>::GetInstance(); |
283 AlignedTestSingleton<AlignedMemory<4096, 4096> >* align4096 = | |
284 AlignedTestSingleton<AlignedMemory<4096, 4096> >::GetInstance(); | |
285 | 287 |
286 EXPECT_ALIGNED(align4, 4); | 288 EXPECT_ALIGNED(align4, 4); |
| 289 EXPECT_ALIGNED(align8, 8); |
| 290 EXPECT_ALIGNED(align16, 16); |
287 EXPECT_ALIGNED(align32, 32); | 291 EXPECT_ALIGNED(align32, 32); |
288 EXPECT_ALIGNED(align128, 128); | 292 EXPECT_ALIGNED(align64, 64); |
289 EXPECT_ALIGNED(align4096, 4096); | |
290 } | 293 } |
291 | 294 |
292 } // namespace | 295 } // namespace |
293 } // namespace base | 296 } // namespace base |
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