src/gpu/command_buffer/service/command_buffer_service_unittest.cc

   1 // Copyright (c) 2012 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 "base/bind.h"
   6 #include "base/bind_helpers.h"
   7 #include "base/threading/thread.h"
   8 #include "gpu/command_buffer/common/cmd_buffer_common.h"
   9 #include "gpu/command_buffer/service/command_buffer_service.h"
  10 #include "gpu/command_buffer/service/transfer_buffer_manager.h"
  11 #include "testing/gtest/include/gtest/gtest.h"
  12 #include "testing/gmock/include/gmock/gmock.h"
  13
  14 using base::SharedMemory;
  15 using testing::_;
  16 using testing::DoAll;
  17 using testing::Return;
  18 using testing::SetArgumentPointee;
  19 using testing::StrictMock;
  20
  21 namespace gpu {
  22
  23 class CommandBufferServiceTest : public testing::Test {
  24  protected:
  25   void SetUp() override {
  26     {
  27       TransferBufferManager* manager = new TransferBufferManager();
  28       transfer_buffer_manager_.reset(manager);
  29       EXPECT_TRUE(manager->Initialize());
  30     }
  31     command_buffer_.reset(
  32         new CommandBufferService(transfer_buffer_manager_.get()));
  33     EXPECT_TRUE(command_buffer_->Initialize());
  34   }
  35
  36   int32 GetGetOffset() {
  37     return command_buffer_->GetLastState().get_offset;
  38   }
  39
  40   int32 GetPutOffset() {
  41     return command_buffer_->GetPutOffset();
  42   }
  43
  44   int32 GetToken() {
  45     return command_buffer_->GetLastState().token;
  46   }
  47
  48   int32 GetError() {
  49     return command_buffer_->GetLastState().error;
  50   }
  51
  52   bool Initialize(size_t size) {
  53     int32 id;
  54     command_buffer_->CreateTransferBuffer(size, &id);
  55     EXPECT_GT(id, 0);
  56     command_buffer_->SetGetBuffer(id);
  57     return true;
  58   }
  59
  60   scoped_ptr<TransferBufferManagerInterface> transfer_buffer_manager_;
  61   scoped_ptr<CommandBufferService> command_buffer_;
  62 };
  63
  64 TEST_F(CommandBufferServiceTest, InitializesCommandBuffer) {
  65   EXPECT_TRUE(Initialize(1024));
  66   CommandBuffer::State state = command_buffer_->GetLastState();
  67   EXPECT_EQ(0, state.get_offset);
  68   EXPECT_EQ(0, command_buffer_->GetPutOffset());
  69   EXPECT_EQ(0, state.token);
  70   EXPECT_EQ(error::kNoError, state.error);
  71 }
  72
  73 namespace {
  74
  75 class CallbackTest {
  76  public:
  77   virtual void PutOffsetChanged() = 0;
  78   virtual bool GetBufferChanged(int32 id) = 0;
  79 };
  80
  81 class MockCallbackTest : public CallbackTest {
  82  public:
  83    MOCK_METHOD0(PutOffsetChanged, void());
  84    MOCK_METHOD1(GetBufferChanged, bool(int32));
  85 };
  86
  87 }  // anonymous namespace
  88
  89 TEST_F(CommandBufferServiceTest, CanSyncGetAndPutOffset) {
  90   Initialize(1024);
  91
  92   scoped_ptr<StrictMock<MockCallbackTest> > change_callback(
  93       new StrictMock<MockCallbackTest>);
  94   command_buffer_->SetPutOffsetChangeCallback(
  95       base::Bind(
  96           &CallbackTest::PutOffsetChanged,
  97           base::Unretained(change_callback.get())));
  98
  99   EXPECT_CALL(*change_callback, PutOffsetChanged());
 100   command_buffer_->Flush(2);
 101   EXPECT_EQ(0, GetGetOffset());
 102   EXPECT_EQ(2, GetPutOffset());
 103
 104   EXPECT_CALL(*change_callback, PutOffsetChanged());
 105   command_buffer_->Flush(4);
 106   EXPECT_EQ(0, GetGetOffset());
 107   EXPECT_EQ(4, GetPutOffset());
 108
 109   command_buffer_->SetGetOffset(2);
 110   EXPECT_EQ(2, GetGetOffset());
 111   EXPECT_CALL(*change_callback, PutOffsetChanged());
 112   command_buffer_->Flush(6);
 113
 114   command_buffer_->Flush(-1);
 115   EXPECT_NE(error::kNoError, GetError());
 116   command_buffer_->Flush(1024);
 117   EXPECT_NE(error::kNoError, GetError());
 118 }
 119
 120 TEST_F(CommandBufferServiceTest, SetGetBuffer) {
 121   int32 ring_buffer_id;
 122   command_buffer_->CreateTransferBuffer(1024, &ring_buffer_id);
 123   EXPECT_GT(ring_buffer_id, 0);
 124
 125   scoped_ptr<StrictMock<MockCallbackTest> > change_callback(
 126       new StrictMock<MockCallbackTest>);
 127   command_buffer_->SetGetBufferChangeCallback(
 128       base::Bind(
 129           &CallbackTest::GetBufferChanged,
 130           base::Unretained(change_callback.get())));
 131
 132   EXPECT_CALL(*change_callback, GetBufferChanged(ring_buffer_id))
 133       .WillOnce(Return(true));
 134
 135   command_buffer_->SetGetBuffer(ring_buffer_id);
 136   EXPECT_EQ(0, GetGetOffset());
 137 }
 138
 139 TEST_F(CommandBufferServiceTest, DefaultTokenIsZero) {
 140   EXPECT_EQ(0, GetToken());
 141 }
 142
 143 TEST_F(CommandBufferServiceTest, CanSetToken) {
 144   command_buffer_->SetToken(7);
 145   EXPECT_EQ(7, GetToken());
 146 }
 147
 148 TEST_F(CommandBufferServiceTest, DefaultParseErrorIsNoError) {
 149   EXPECT_EQ(0, GetError());
 150 }
 151
 152 TEST_F(CommandBufferServiceTest, CanSetParseError) {
 153   command_buffer_->SetParseError(error::kInvalidSize);
 154   EXPECT_EQ(1, GetError());
 155 }
 156 }  // namespace gpu