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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 #include <type_traits> |
6 | 7 |
7 #include "base/at_exit.h" | 8 #include "base/at_exit.h" |
8 #include "base/memory/singleton.h" | 9 #include "base/memory/singleton.h" |
9 #include "testing/gtest/include/gtest/gtest.h" | 10 #include "testing/gtest/include/gtest/gtest.h" |
10 | 11 |
11 namespace base { | 12 namespace base { |
12 namespace { | 13 namespace { |
13 | 14 |
14 static_assert(DefaultSingletonTraits<int>::kRegisterAtExit == true, | 15 static_assert(DefaultSingletonTraits<int>::kRegisterAtExit == true, |
15 "object must be deleted on process exit"); | 16 "object must be deleted on process exit"); |
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262 } | 263 } |
263 } | 264 } |
264 // The leaky singleton shouldn't leak since SingletonLeak has not been called. | 265 // The leaky singleton shouldn't leak since SingletonLeak has not been called. |
265 VerifiesCallbacksNotCalled(); | 266 VerifiesCallbacksNotCalled(); |
266 } | 267 } |
267 | 268 |
268 #define EXPECT_ALIGNED(ptr, align) \ | 269 #define EXPECT_ALIGNED(ptr, align) \ |
269 EXPECT_EQ(0u, reinterpret_cast<uintptr_t>(ptr) & (align - 1)) | 270 EXPECT_EQ(0u, reinterpret_cast<uintptr_t>(ptr) & (align - 1)) |
270 | 271 |
271 TEST_F(SingletonTest, Alignment) { | 272 TEST_F(SingletonTest, Alignment) { |
272 using base::AlignedMemory; | |
273 | |
274 // Create some static singletons with increasing sizes and alignment | 273 // Create some static singletons with increasing sizes and alignment |
275 // requirements. By ordering this way, the linker will need to do some work to | 274 // requirements. By ordering this way, the linker will need to do some work to |
276 // ensure proper alignment of the static data. | 275 // ensure proper alignment of the static data. |
277 AlignedTestSingleton<int32_t>* align4 = | 276 AlignedTestSingleton<int32_t>* align4 = |
278 AlignedTestSingleton<int32_t>::GetInstance(); | 277 AlignedTestSingleton<int32_t>::GetInstance(); |
279 AlignedTestSingleton<AlignedMemory<32, 32> >* align32 = | 278 AlignedTestSingleton<std::aligned_storage<32, 32>::type>* align32 = |
280 AlignedTestSingleton<AlignedMemory<32, 32> >::GetInstance(); | 279 AlignedTestSingleton<std::aligned_storage<32, 32>::type>::GetInstance(); |
281 AlignedTestSingleton<AlignedMemory<128, 128> >* align128 = | 280 AlignedTestSingleton<std::aligned_storage<128, 128>::type>* align128 = |
282 AlignedTestSingleton<AlignedMemory<128, 128> >::GetInstance(); | 281 AlignedTestSingleton<std::aligned_storage<128, 128>::type>::GetInstance(); |
283 AlignedTestSingleton<AlignedMemory<4096, 4096> >* align4096 = | 282 AlignedTestSingleton<std::aligned_storage<4096, 4096>::type>* align4096 = |
284 AlignedTestSingleton<AlignedMemory<4096, 4096> >::GetInstance(); | 283 AlignedTestSingleton< |
| 284 std::aligned_storage<4096, 4096>::type>::GetInstance(); |
285 | 285 |
286 EXPECT_ALIGNED(align4, 4); | 286 EXPECT_ALIGNED(align4, 4); |
287 EXPECT_ALIGNED(align32, 32); | 287 EXPECT_ALIGNED(align32, 32); |
288 EXPECT_ALIGNED(align128, 128); | 288 EXPECT_ALIGNED(align128, 128); |
289 EXPECT_ALIGNED(align4096, 4096); | 289 EXPECT_ALIGNED(align4096, 4096); |
290 } | 290 } |
291 | 291 |
292 } // namespace | 292 } // namespace |
293 } // namespace base | 293 } // namespace base |
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