| // 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 "gpu/command_buffer/service/transfer_buffer_manager.h" |
| |
| #include <stddef.h> |
| |
| #include <memory> |
| |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace gpu { |
| |
| const static size_t kBufferSize = 1024; |
| |
| class TransferBufferManagerTest : public testing::Test { |
| protected: |
| void SetUp() override { |
| transfer_buffer_manager_ = std::make_unique<TransferBufferManager>(nullptr); |
| } |
| |
| std::unique_ptr<TransferBufferManager> transfer_buffer_manager_; |
| }; |
| |
| TEST_F(TransferBufferManagerTest, ZeroHandleMapsToNull) { |
| EXPECT_TRUE(nullptr == transfer_buffer_manager_->GetTransferBuffer(0).get()); |
| } |
| |
| TEST_F(TransferBufferManagerTest, NegativeHandleMapsToNull) { |
| EXPECT_TRUE(nullptr == transfer_buffer_manager_->GetTransferBuffer(-1).get()); |
| } |
| |
| TEST_F(TransferBufferManagerTest, OutOfRangeHandleMapsToNull) { |
| EXPECT_TRUE(nullptr == transfer_buffer_manager_->GetTransferBuffer(1).get()); |
| } |
| |
| TEST_F(TransferBufferManagerTest, CanRegisterTransferBuffer) { |
| base::UnsafeSharedMemoryRegion shm_region = |
| base::UnsafeSharedMemoryRegion::Create(kBufferSize); |
| base::WritableSharedMemoryMapping shm_mapping = shm_region.Map(); |
| auto shm_guid = shm_region.GetGUID(); |
| auto backing = std::make_unique<SharedMemoryBufferBacking>( |
| std::move(shm_region), std::move(shm_mapping)); |
| SharedMemoryBufferBacking* backing_raw_ptr = backing.get(); |
| |
| EXPECT_TRUE(transfer_buffer_manager_->RegisterTransferBuffer( |
| 1, base::MakeRefCounted<Buffer>(std::move(backing)))); |
| scoped_refptr<Buffer> registered = |
| transfer_buffer_manager_->GetTransferBuffer(1); |
| |
| // Shared-memory ownership is transfered. It should be the same memory. |
| EXPECT_EQ(backing_raw_ptr, registered->backing()); |
| EXPECT_EQ(shm_guid, backing_raw_ptr->GetGUID()); |
| } |
| |
| TEST_F(TransferBufferManagerTest, CanDestroyTransferBuffer) { |
| EXPECT_TRUE(transfer_buffer_manager_->RegisterTransferBuffer( |
| 1, MakeMemoryBuffer(42))); |
| transfer_buffer_manager_->DestroyTransferBuffer(1); |
| scoped_refptr<Buffer> registered = |
| transfer_buffer_manager_->GetTransferBuffer(1); |
| |
| scoped_refptr<Buffer> null_buffer; |
| EXPECT_EQ(null_buffer, registered); |
| } |
| |
| TEST_F(TransferBufferManagerTest, CannotRegregisterTransferBufferId) { |
| EXPECT_TRUE(transfer_buffer_manager_->RegisterTransferBuffer( |
| 1, MakeMemoryBuffer(42))); |
| EXPECT_FALSE(transfer_buffer_manager_->RegisterTransferBuffer( |
| 1, MakeMemoryBuffer(42))); |
| EXPECT_FALSE(transfer_buffer_manager_->RegisterTransferBuffer( |
| 1, MakeMemoryBuffer(42))); |
| } |
| |
| TEST_F(TransferBufferManagerTest, CanReuseTransferBufferIdAfterDestroying) { |
| EXPECT_TRUE(transfer_buffer_manager_->RegisterTransferBuffer( |
| 1, MakeMemoryBuffer(42))); |
| transfer_buffer_manager_->DestroyTransferBuffer(1); |
| EXPECT_TRUE(transfer_buffer_manager_->RegisterTransferBuffer( |
| 1, MakeMemoryBuffer(42))); |
| } |
| |
| TEST_F(TransferBufferManagerTest, DestroyUnusedTransferBufferIdDoesNotCrash) { |
| transfer_buffer_manager_->DestroyTransferBuffer(1); |
| } |
| |
| TEST_F(TransferBufferManagerTest, CannotRegisterNullTransferBuffer) { |
| EXPECT_FALSE(transfer_buffer_manager_->RegisterTransferBuffer( |
| 0, MakeMemoryBuffer(42))); |
| } |
| |
| TEST_F(TransferBufferManagerTest, CannotRegisterNegativeTransferBufferId) { |
| EXPECT_FALSE(transfer_buffer_manager_->RegisterTransferBuffer( |
| -1, MakeMemoryBuffer(42))); |
| } |
| |
| } // namespace gpu |