1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "content/common/host_shared_bitmap_manager.h" 6 #include "testing/gtest/include/gtest/gtest.h" 7 8 namespace content { 9 namespace { 10 11 class HostSharedBitmapManagerTest : public testing::Test { 12 protected: 13 virtual void SetUp() { manager_.reset(new HostSharedBitmapManager()); } 14 scoped_ptr<HostSharedBitmapManager> manager_; 15 }; 16 17 TEST_F(HostSharedBitmapManagerTest, TestCreate) { 18 gfx::Size bitmap_size(1, 1); 19 size_t size_in_bytes; 20 EXPECT_TRUE(cc::SharedBitmap::SizeInBytes(bitmap_size, &size_in_bytes)); 21 scoped_ptr<base::SharedMemory> bitmap(new base::SharedMemory()); 22 bitmap->CreateAndMapAnonymous(size_in_bytes); 23 memset(bitmap->memory(), 0xff, size_in_bytes); 24 cc::SharedBitmapId id = cc::SharedBitmap::GenerateId(); 25 26 base::SharedMemoryHandle handle; 27 bitmap->ShareToProcess(base::GetCurrentProcessHandle(), &handle); 28 manager_->ChildAllocatedSharedBitmap( 29 size_in_bytes, handle, base::GetCurrentProcessHandle(), id); 30 31 scoped_ptr<cc::SharedBitmap> large_bitmap; 32 large_bitmap = manager_->GetSharedBitmapFromId(gfx::Size(1024, 1024), id); 33 EXPECT_TRUE(large_bitmap.get() == NULL); 34 35 scoped_ptr<cc::SharedBitmap> very_large_bitmap; 36 very_large_bitmap = 37 manager_->GetSharedBitmapFromId(gfx::Size(1, (1 << 30) | 1), id); 38 EXPECT_TRUE(very_large_bitmap.get() == NULL); 39 40 scoped_ptr<cc::SharedBitmap> negative_size_bitmap; 41 negative_size_bitmap = 42 manager_->GetSharedBitmapFromId(gfx::Size(-1, 1024), id); 43 EXPECT_TRUE(negative_size_bitmap.get() == NULL); 44 45 cc::SharedBitmapId id2 = cc::SharedBitmap::GenerateId(); 46 scoped_ptr<cc::SharedBitmap> invalid_bitmap; 47 invalid_bitmap = manager_->GetSharedBitmapFromId(bitmap_size, id2); 48 EXPECT_TRUE(invalid_bitmap.get() == NULL); 49 50 scoped_ptr<cc::SharedBitmap> shared_bitmap; 51 shared_bitmap = manager_->GetSharedBitmapFromId(bitmap_size, id); 52 ASSERT_TRUE(shared_bitmap.get() != NULL); 53 EXPECT_EQ(memcmp(shared_bitmap->pixels(), bitmap->memory(), 4), 0); 54 55 scoped_ptr<cc::SharedBitmap> large_bitmap2; 56 large_bitmap2 = manager_->GetSharedBitmapFromId(gfx::Size(1024, 1024), id); 57 EXPECT_TRUE(large_bitmap2.get() == NULL); 58 59 scoped_ptr<cc::SharedBitmap> shared_bitmap2; 60 shared_bitmap2 = manager_->GetSharedBitmapFromId(bitmap_size, id); 61 EXPECT_TRUE(shared_bitmap2->pixels() == shared_bitmap->pixels()); 62 shared_bitmap2.reset(); 63 EXPECT_EQ(memcmp(shared_bitmap->pixels(), bitmap->memory(), size_in_bytes), 64 0); 65 66 manager_->ChildDeletedSharedBitmap(id); 67 68 memset(bitmap->memory(), 0, size_in_bytes); 69 70 EXPECT_EQ(memcmp(shared_bitmap->pixels(), bitmap->memory(), size_in_bytes), 71 0); 72 bitmap.reset(); 73 shared_bitmap.reset(); 74 } 75 76 TEST_F(HostSharedBitmapManagerTest, TestCreateForChild) { 77 gfx::Size bitmap_size(1, 1); 78 size_t size_in_bytes; 79 EXPECT_TRUE(cc::SharedBitmap::SizeInBytes(bitmap_size, &size_in_bytes)); 80 cc::SharedBitmapId id = cc::SharedBitmap::GenerateId(); 81 base::SharedMemoryHandle handle; 82 manager_->AllocateSharedBitmapForChild( 83 base::GetCurrentProcessHandle(), size_in_bytes, id, &handle); 84 85 EXPECT_TRUE(base::SharedMemory::IsHandleValid(handle)); 86 scoped_ptr<base::SharedMemory> bitmap(new base::SharedMemory(handle, false)); 87 EXPECT_TRUE(bitmap->Map(size_in_bytes)); 88 memset(bitmap->memory(), 0xff, size_in_bytes); 89 90 scoped_ptr<cc::SharedBitmap> shared_bitmap; 91 shared_bitmap = manager_->GetSharedBitmapFromId(bitmap_size, id); 92 EXPECT_TRUE(shared_bitmap); 93 EXPECT_TRUE( 94 memcmp(bitmap->memory(), shared_bitmap->pixels(), size_in_bytes) == 0); 95 } 96 97 TEST_F(HostSharedBitmapManagerTest, RemoveProcess) { 98 gfx::Size bitmap_size(1, 1); 99 size_t size_in_bytes; 100 EXPECT_TRUE(cc::SharedBitmap::SizeInBytes(bitmap_size, &size_in_bytes)); 101 scoped_ptr<base::SharedMemory> bitmap(new base::SharedMemory()); 102 bitmap->CreateAndMapAnonymous(size_in_bytes); 103 memset(bitmap->memory(), 0xff, size_in_bytes); 104 cc::SharedBitmapId id = cc::SharedBitmap::GenerateId(); 105 106 base::SharedMemoryHandle handle; 107 bitmap->ShareToProcess(base::GetCurrentProcessHandle(), &handle); 108 manager_->ChildAllocatedSharedBitmap( 109 size_in_bytes, handle, base::GetCurrentProcessHandle(), id); 110 111 manager_->ProcessRemoved(base::kNullProcessHandle); 112 113 scoped_ptr<cc::SharedBitmap> shared_bitmap; 114 shared_bitmap = manager_->GetSharedBitmapFromId(bitmap_size, id); 115 ASSERT_TRUE(shared_bitmap.get() != NULL); 116 117 manager_->ProcessRemoved(base::GetCurrentProcessHandle()); 118 119 scoped_ptr<cc::SharedBitmap> shared_bitmap2; 120 shared_bitmap2 = manager_->GetSharedBitmapFromId(bitmap_size, id); 121 EXPECT_TRUE(shared_bitmap2.get() == NULL); 122 EXPECT_EQ(memcmp(shared_bitmap->pixels(), bitmap->memory(), size_in_bytes), 123 0); 124 125 shared_bitmap.reset(); 126 127 // Should no-op. 128 manager_->ChildDeletedSharedBitmap(id); 129 } 130 131 TEST_F(HostSharedBitmapManagerTest, AddDuplicate) { 132 gfx::Size bitmap_size(1, 1); 133 size_t size_in_bytes; 134 EXPECT_TRUE(cc::SharedBitmap::SizeInBytes(bitmap_size, &size_in_bytes)); 135 scoped_ptr<base::SharedMemory> bitmap(new base::SharedMemory()); 136 bitmap->CreateAndMapAnonymous(size_in_bytes); 137 memset(bitmap->memory(), 0xff, size_in_bytes); 138 cc::SharedBitmapId id = cc::SharedBitmap::GenerateId(); 139 140 base::SharedMemoryHandle handle; 141 bitmap->ShareToProcess(base::GetCurrentProcessHandle(), &handle); 142 manager_->ChildAllocatedSharedBitmap( 143 size_in_bytes, handle, base::GetCurrentProcessHandle(), id); 144 145 scoped_ptr<base::SharedMemory> bitmap2(new base::SharedMemory()); 146 bitmap2->CreateAndMapAnonymous(size_in_bytes); 147 memset(bitmap2->memory(), 0x00, size_in_bytes); 148 149 manager_->ChildAllocatedSharedBitmap( 150 size_in_bytes, bitmap2->handle(), base::GetCurrentProcessHandle(), id); 151 152 scoped_ptr<cc::SharedBitmap> shared_bitmap; 153 shared_bitmap = manager_->GetSharedBitmapFromId(bitmap_size, id); 154 ASSERT_TRUE(shared_bitmap.get() != NULL); 155 EXPECT_EQ(memcmp(shared_bitmap->pixels(), bitmap->memory(), size_in_bytes), 156 0); 157 } 158 159 } // namespace 160 } // namespace content 161
