Use C++11 alignment primitives

base/memory/aligned_memory_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/memory/aligned_memory.h"
 
 #include <memory>
 
 #include "build/build_config.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #define EXPECT_ALIGNED(ptr, align) \
     EXPECT_EQ(0u, reinterpret_cast<uintptr_t>(ptr) & (align - 1))
 
-namespace {
-
-using base::AlignedMemory;
-
-TEST(AlignedMemoryTest, StaticAlignment) {
-  static AlignedMemory<8, 8> raw8;
-  static AlignedMemory<8, 16> raw16;
-  static AlignedMemory<8, 256> raw256;
-  static AlignedMemory<8, 4096> raw4096;
-
-  EXPECT_EQ(8u, ALIGNOF(raw8));
-  EXPECT_EQ(16u, ALIGNOF(raw16));
-  EXPECT_EQ(256u, ALIGNOF(raw256));
-  EXPECT_EQ(4096u, ALIGNOF(raw4096));
-
-  EXPECT_ALIGNED(raw8.void_data(), 8);
-  EXPECT_ALIGNED(raw16.void_data(), 16);
-  EXPECT_ALIGNED(raw256.void_data(), 256);
-  EXPECT_ALIGNED(raw4096.void_data(), 4096);
-}
-
-TEST(AlignedMemoryTest, StackAlignment) {
-  AlignedMemory<8, 8> raw8;
-  AlignedMemory<8, 16> raw16;
-  AlignedMemory<8, 128> raw128;
-
-  EXPECT_EQ(8u, ALIGNOF(raw8));
-  EXPECT_EQ(16u, ALIGNOF(raw16));
-  EXPECT_EQ(128u, ALIGNOF(raw128));
-
-  EXPECT_ALIGNED(raw8.void_data(), 8);
-  EXPECT_ALIGNED(raw16.void_data(), 16);
-  EXPECT_ALIGNED(raw128.void_data(), 128);
-
-  // NaCl x86-64 compiler emits non-validating instructions for >128
-  // bytes alignment.
-  // http://www.chromium.org/nativeclient/design-documents/nacl-sfi-model-on-x86-64-systems
-  // TODO(hamaji): Ideally, NaCl compiler for x86-64 should workaround
-  // this limitation and this #if should be removed.
-  // https://code.google.com/p/nativeclient/issues/detail?id=3463
-#if !(defined(OS_NACL) && defined(ARCH_CPU_X86_64))
-  AlignedMemory<8, 256> raw256;
-  EXPECT_EQ(256u, ALIGNOF(raw256));
-  EXPECT_ALIGNED(raw256.void_data(), 256);
-
-  AlignedMemory<8, 4096> raw4096;
-  EXPECT_EQ(4096u, ALIGNOF(raw4096));
-  EXPECT_ALIGNED(raw4096.void_data(), 4096);
-#endif  // !(defined(OS_NACL) && defined(ARCH_CPU_X86_64))
-}
+namespace base {
 
 TEST(AlignedMemoryTest, DynamicAllocation) {
-  void* p = base::AlignedAlloc(8, 8);
+  void* p = AlignedAlloc(8, 8);
   EXPECT_TRUE(p);
   EXPECT_ALIGNED(p, 8);
-  base::AlignedFree(p);
+  AlignedFree(p);
 
-  p = base::AlignedAlloc(8, 16);
+  p = AlignedAlloc(8, 16);
   EXPECT_TRUE(p);
   EXPECT_ALIGNED(p, 16);
-  base::AlignedFree(p);
+  AlignedFree(p);
 
-  p = base::AlignedAlloc(8, 256);
+  p = AlignedAlloc(8, 256);
   EXPECT_TRUE(p);
   EXPECT_ALIGNED(p, 256);
-  base::AlignedFree(p);
+  AlignedFree(p);
 
-  p = base::AlignedAlloc(8, 4096);
+  p = AlignedAlloc(8, 4096);
   EXPECT_TRUE(p);
   EXPECT_ALIGNED(p, 4096);
-  base::AlignedFree(p);
+  AlignedFree(p);
 }
 
 TEST(AlignedMemoryTest, ScopedDynamicAllocation) {
-  std::unique_ptr<float, base::AlignedFreeDeleter> p(
-      static_cast<float*>(base::AlignedAlloc(8, 8)));
+  std::unique_ptr<float, AlignedFreeDeleter> p(
+      static_cast<float*>(AlignedAlloc(8, 8)));
   EXPECT_TRUE(p.get());
   EXPECT_ALIGNED(p.get(), 8);
 }
 
-}  // namespace
+}  // namespace base