Upgrade AlignedMemory to support dynamic allocations.

base/memory/aligned_memory_unittest.cc

Index: base/memory/aligned_memory_unittest.cc
diff --git a/base/memory/aligned_memory_unittest.cc b/base/memory/aligned_memory_unittest.cc
index 065e9522a9853ba5bb42f68509214255f2d34211..f98d4b5b5c05bfbb48ec78ea57bf5418b674ccdd 100644
--- a/base/memory/aligned_memory_unittest.cc
+++ b/base/memory/aligned_memory_unittest.cc
@@ -15,9 +15,9 @@ 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;
+  static AlignedMemory<16, 8> raw16;
+  static AlignedMemory<256, 8> raw256;
+  static AlignedMemory<4096, 8> raw4096;
 
   EXPECT_EQ(8u, ALIGNOF(raw8));
   EXPECT_EQ(16u, ALIGNOF(raw16));
@@ -32,9 +32,9 @@ TEST(AlignedMemoryTest, StaticAlignment) {
 
 TEST(AlignedMemoryTest, StackAlignment) {
   AlignedMemory<8, 8> raw8;
-  AlignedMemory<8, 16> raw16;
-  AlignedMemory<8, 256> raw256;
-  AlignedMemory<8, 4096> raw4096;
+  AlignedMemory<16, 8> raw16;
+  AlignedMemory<256, 8> raw256;
+  AlignedMemory<4096, 8> raw4096;
 
   EXPECT_EQ(8u, ALIGNOF(raw8));
   EXPECT_EQ(16u, ALIGNOF(raw16));
@@ -47,4 +47,20 @@ TEST(AlignedMemoryTest, StackAlignment) {
   EXPECT_ALIGNED(raw4096.void_data(), 4096);
 }
 
+TEST(AlignedMemoryTest, StackDynamicAllocation) {
+  AlignedMemory<8> raw8(8);
+  AlignedMemory<16> raw16(8);
+  AlignedMemory<256> raw256(8);
+  AlignedMemory<4096> raw4096(8);
+
+  EXPECT_TRUE(raw8.void_data());
+  EXPECT_ALIGNED(raw8.void_data(), 8);
+  EXPECT_TRUE(raw16.void_data());
+  EXPECT_ALIGNED(raw16.void_data(), 16);
+  EXPECT_TRUE(raw256.void_data());
+  EXPECT_ALIGNED(raw256.void_data(), 256);
+  EXPECT_TRUE(raw4096.void_data());
+  EXPECT_ALIGNED(raw4096.void_data(), 4096);
+}
+
 }  // namespace