| // Copyright 2015 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 "components/exo/shared_memory.h" |
| |
| #include <stddef.h> |
| |
| #include "base/memory/ptr_util.h" |
| #include "components/exo/buffer.h" |
| #include "components/exo/test/exo_test_base.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "ui/gfx/buffer_format_util.h" |
| |
| namespace exo { |
| namespace { |
| |
| using SharedMemoryTest = test::ExoTestBase; |
| |
| std::unique_ptr<SharedMemory> CreateSharedMemory(size_t size) { |
| std::unique_ptr<base::SharedMemory> shared_memory(new base::SharedMemory); |
| bool rv = shared_memory->CreateAnonymous(size); |
| DCHECK(rv); |
| base::SharedMemoryHandle handle = |
| base::SharedMemory::DuplicateHandle(shared_memory->handle()); |
| DCHECK(base::SharedMemory::IsHandleValid(handle)); |
| return base::WrapUnique(new SharedMemory(handle)); |
| } |
| |
| TEST_F(SharedMemoryTest, CreateBuffer) { |
| const gfx::Size buffer_size(256, 256); |
| const gfx::BufferFormat format = gfx::BufferFormat::RGBA_8888; |
| |
| std::unique_ptr<SharedMemory> shared_memory = |
| CreateSharedMemory(gfx::BufferSizeForBufferFormat(buffer_size, format)); |
| ASSERT_TRUE(shared_memory); |
| |
| // Creating a full size buffer should succeed. |
| std::unique_ptr<Buffer> buffer = shared_memory->CreateBuffer( |
| buffer_size, format, 0, |
| gfx::RowSizeForBufferFormat(buffer_size.width(), format, 0)); |
| EXPECT_TRUE(buffer); |
| |
| // Creating a buffer for the top-left rectangle should succeed. |
| const gfx::Size top_left_buffer_size(128, 128); |
| std::unique_ptr<Buffer> top_left_buffer = shared_memory->CreateBuffer( |
| top_left_buffer_size, format, 0, |
| gfx::RowSizeForBufferFormat(buffer_size.width(), format, 0)); |
| EXPECT_TRUE(top_left_buffer); |
| |
| // Creating a buffer for the bottom-right rectangle should succeed. |
| const gfx::Size bottom_right_buffer_size(64, 64); |
| std::unique_ptr<Buffer> bottom_right_buffer = shared_memory->CreateBuffer( |
| bottom_right_buffer_size, format, |
| (buffer_size.height() - bottom_right_buffer_size.height()) * |
| gfx::RowSizeForBufferFormat(buffer_size.width(), format, 0) + |
| (buffer_size.width() - bottom_right_buffer_size.width()) * 4, |
| gfx::RowSizeForBufferFormat(buffer_size.width(), format, 0)); |
| EXPECT_TRUE(bottom_right_buffer); |
| } |
| |
| } // namespace |
| } // namespace exo |