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/*
* Copyright (C) 2018-2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/helpers/constants.h"
#include "shared/source/helpers/hw_helper.h"
#include "shared/source/memory_manager/internal_allocation_storage.h"
#include "shared/source/memory_manager/memory_manager.h"
#include "shared/test/unit_test/helpers/debug_manager_state_restore.h"
#include "opencl/test/unit_test/fixtures/multi_root_device_fixture.h"
#include "opencl/test/unit_test/fixtures/ult_command_stream_receiver_fixture.h"
#include "opencl/test/unit_test/mocks/mock_experimental_command_buffer.h"
#include "opencl/test/unit_test/mocks/mock_memory_manager.h"
#include "test.h"
#include "gtest/gtest.h"
using namespace NEO;
struct ExperimentalCommandBufferTest : public UltCommandStreamReceiverTest {
void SetUp() override {
dbgRestore.reset(new DebugManagerStateRestore());
DebugManager.flags.EnableExperimentalCommandBuffer.set(1);
UltCommandStreamReceiverTest::SetUp();
}
std::unique_ptr<DebugManagerStateRestore> dbgRestore;
};
struct MockExperimentalCommandBufferTest : public UltCommandStreamReceiverTest {
void SetUp() override {
UltCommandStreamReceiverTest::SetUp();
pDevice->getGpgpuCommandStreamReceiver().setExperimentalCmdBuffer(
std::unique_ptr<ExperimentalCommandBuffer>(new MockExperimentalCommandBuffer(&pDevice->getGpgpuCommandStreamReceiver())));
}
};
HWTEST_F(MockExperimentalCommandBufferTest, givenEnabledExperimentalCmdBufferWhenCsrIsFlushedThenExpectProperlyFilledExperimentalCmdBuffer) {
using MI_BATCH_BUFFER_START = typename FamilyType::MI_BATCH_BUFFER_START;
using MI_BATCH_BUFFER_END = typename FamilyType::MI_BATCH_BUFFER_END;
using PIPE_CONTROL = typename FamilyType::PIPE_CONTROL;
using MI_SEMAPHORE_WAIT = typename FamilyType::MI_SEMAPHORE_WAIT;
auto &commandStreamReceiver = pDevice->getUltCommandStreamReceiver<FamilyType>();
commandStreamReceiver.storeMakeResidentAllocations = true;
MockExperimentalCommandBuffer *mockExCmdBuffer = static_cast<MockExperimentalCommandBuffer *>(commandStreamReceiver.experimentalCmdBuffer.get());
flushTask(commandStreamReceiver);
ASSERT_NE(nullptr, mockExCmdBuffer->currentStream.get());
ASSERT_NE(nullptr, mockExCmdBuffer->currentStream->getGraphicsAllocation());
uint64_t exCmdBufferGpuAddr = mockExCmdBuffer->currentStream->getGraphicsAllocation()->getGpuAddress();
EXPECT_TRUE(commandStreamReceiver.isMadeResident(mockExCmdBuffer->currentStream->getGraphicsAllocation()));
ASSERT_NE(nullptr, mockExCmdBuffer->experimentalAllocation);
uint64_t exAllocationGpuAddr = mockExCmdBuffer->experimentalAllocation->getGpuAddress();
EXPECT_TRUE(commandStreamReceiver.isMadeResident(mockExCmdBuffer->experimentalAllocation));
ASSERT_NE(nullptr, mockExCmdBuffer->timestamps);
EXPECT_TRUE(commandStreamReceiver.isMadeResident(mockExCmdBuffer->timestamps));
constexpr uint32_t expectedTsOffset = 2 * sizeof(uint64_t);
EXPECT_EQ(expectedTsOffset, mockExCmdBuffer->timestampsOffset);
constexpr uint32_t expectedExOffset = 0;
EXPECT_EQ(expectedExOffset, mockExCmdBuffer->experimentalAllocationOffset);
constexpr uint32_t expectedSemaphoreVal = 1;
uintptr_t actualSemaphoreAddr = reinterpret_cast<uintptr_t>(mockExCmdBuffer->experimentalAllocation->getUnderlyingBuffer()) + mockExCmdBuffer->experimentalAllocationOffset;
uint32_t *actualSemaphoreVal = reinterpret_cast<uint32_t *>(actualSemaphoreAddr);
EXPECT_EQ(expectedSemaphoreVal, *actualSemaphoreVal);
HardwareParse hwParserCsr;
hwParserCsr.parseCommands<FamilyType>(commandStreamReceiver.commandStream, 0);
GenCmdList bbList = hwParserCsr.getCommandsList<MI_BATCH_BUFFER_START>();
MI_BATCH_BUFFER_START *bbStart = nullptr;
GenCmdList::iterator it = bbList.begin();
ASSERT_NE(bbList.end(), it);
bbStart = reinterpret_cast<MI_BATCH_BUFFER_START *>(*it);
ASSERT_NE(nullptr, bbStart);
EXPECT_EQ(exCmdBufferGpuAddr, bbStart->getBatchBufferStartAddressGraphicsaddress472());
EXPECT_EQ(MI_BATCH_BUFFER_START::SECOND_LEVEL_BATCH_BUFFER_SECOND_LEVEL_BATCH, bbStart->getSecondLevelBatchBuffer());
MI_BATCH_BUFFER_END *bbEnd = nullptr;
PIPE_CONTROL *pipeControl = nullptr;
MI_SEMAPHORE_WAIT *semaphoreCmd = nullptr;
HardwareParse hwParserExCmdBuffer;
hwParserExCmdBuffer.parseCommands<FamilyType>(*mockExCmdBuffer->currentStream, 0);
it = hwParserExCmdBuffer.cmdList.begin();
GenCmdList::iterator end = hwParserExCmdBuffer.cmdList.end();
if (MemorySynchronizationCommands<FamilyType>::isPipeControlWArequired(pDevice->getHardwareInfo())) {
//1st PIPE_CONTROL with CS Stall
ASSERT_NE(end, it);
pipeControl = genCmdCast<PIPE_CONTROL *>(*it);
ASSERT_NE(nullptr, pipeControl);
EXPECT_EQ(1u, pipeControl->getCommandStreamerStallEnable());
it++;
}
if (UnitTestHelper<FamilyType>::isAdditionalSynchronizationRequired(pDevice->getHardwareInfo())) {
it++;
}
//2nd PIPE_CONTROL with ts addr
uint64_t timeStampAddress = mockExCmdBuffer->timestamps->getGpuAddress();
uint32_t expectedTsAddress = static_cast<uint32_t>(timeStampAddress & 0x0000FFFFFFFFULL);
uint32_t expectedTsAddressHigh = static_cast<uint32_t>(timeStampAddress >> 32);
ASSERT_NE(end, it);
pipeControl = genCmdCast<PIPE_CONTROL *>(*it);
ASSERT_NE(nullptr, pipeControl);
EXPECT_EQ(1u, pipeControl->getCommandStreamerStallEnable());
EXPECT_EQ(PIPE_CONTROL::POST_SYNC_OPERATION_WRITE_TIMESTAMP, pipeControl->getPostSyncOperation());
EXPECT_EQ(expectedTsAddress, pipeControl->getAddress());
EXPECT_EQ(expectedTsAddressHigh, pipeControl->getAddressHigh());
if (UnitTestHelper<FamilyType>::isAdditionalSynchronizationRequired(pDevice->getHardwareInfo())) {
it++;
}
//MI_SEMAPHORE_WAIT
it++;
ASSERT_NE(end, it);
semaphoreCmd = genCmdCast<MI_SEMAPHORE_WAIT *>(*it);
ASSERT_NE(nullptr, semaphoreCmd);
EXPECT_EQ(expectedSemaphoreVal, semaphoreCmd->getSemaphoreDataDword());
EXPECT_EQ(exAllocationGpuAddr, semaphoreCmd->getSemaphoreGraphicsAddress());
EXPECT_EQ(MI_SEMAPHORE_WAIT::COMPARE_OPERATION_SAD_EQUAL_SDD, semaphoreCmd->getCompareOperation());
if (MemorySynchronizationCommands<FamilyType>::isPipeControlWArequired(pDevice->getHardwareInfo())) {
//3rd PIPE_CONTROL with CS stall
it++;
ASSERT_NE(end, it);
pipeControl = genCmdCast<PIPE_CONTROL *>(*it);
ASSERT_NE(nullptr, pipeControl);
EXPECT_EQ(1u, pipeControl->getCommandStreamerStallEnable());
}
if (UnitTestHelper<FamilyType>::isAdditionalSynchronizationRequired(pDevice->getHardwareInfo())) {
it++;
}
//4th PIPE_CONTROL with ts addr
timeStampAddress = mockExCmdBuffer->timestamps->getGpuAddress() + sizeof(uint64_t);
expectedTsAddress = static_cast<uint32_t>(timeStampAddress & 0x0000FFFFFFFFULL);
expectedTsAddressHigh = static_cast<uint32_t>(timeStampAddress >> 32);
it++;
ASSERT_NE(end, it);
pipeControl = genCmdCast<PIPE_CONTROL *>(*it);
ASSERT_NE(nullptr, pipeControl);
EXPECT_EQ(1u, pipeControl->getCommandStreamerStallEnable());
EXPECT_EQ(PIPE_CONTROL::POST_SYNC_OPERATION_WRITE_TIMESTAMP, pipeControl->getPostSyncOperation());
EXPECT_EQ(expectedTsAddress, pipeControl->getAddress());
EXPECT_EQ(expectedTsAddressHigh, pipeControl->getAddressHigh());
if (UnitTestHelper<FamilyType>::isAdditionalSynchronizationRequired(pDevice->getHardwareInfo())) {
it++;
}
//BB_END
it++;
ASSERT_NE(end, it);
bbEnd = genCmdCast<MI_BATCH_BUFFER_END *>(*it);
ASSERT_NE(nullptr, bbEnd);
}
HWTEST_F(MockExperimentalCommandBufferTest, givenEnabledExperimentalCmdBufferWhenCsrIsNotFlushedThenExperimentalBufferLinearStreamIsNotCreatedAndCmdBufferCommandsHaveProperlyOffsetedAddresses) {
auto &commandStreamReceiver = pDevice->getUltCommandStreamReceiver<FamilyType>();
commandStreamReceiver.storeMakeResidentAllocations = true;
MockExperimentalCommandBuffer *mockExCmdBuffer = static_cast<MockExperimentalCommandBuffer *>(commandStreamReceiver.experimentalCmdBuffer.get());
EXPECT_EQ(nullptr, mockExCmdBuffer->currentStream.get());
EXPECT_NE(nullptr, mockExCmdBuffer->experimentalAllocation);
EXPECT_FALSE(commandStreamReceiver.isMadeResident(mockExCmdBuffer->experimentalAllocation));
EXPECT_NE(nullptr, mockExCmdBuffer->timestamps);
EXPECT_FALSE(commandStreamReceiver.isMadeResident(mockExCmdBuffer->timestamps));
constexpr uint32_t expectedTsOffset = 0;
EXPECT_EQ(expectedTsOffset, mockExCmdBuffer->timestampsOffset);
constexpr uint32_t expectedExOffset = 0;
EXPECT_EQ(expectedExOffset, mockExCmdBuffer->experimentalAllocationOffset);
}
HWTEST_F(MockExperimentalCommandBufferTest, givenEnabledExperimentalCmdBufferWhenCsrIsFlushedTwiceThenExpectProperlyFilledExperimentalCmdBufferAndTimestampOffset) {
using MI_BATCH_BUFFER_START = typename FamilyType::MI_BATCH_BUFFER_START;
using MI_BATCH_BUFFER_END = typename FamilyType::MI_BATCH_BUFFER_END;
using PIPE_CONTROL = typename FamilyType::PIPE_CONTROL;
auto &commandStreamReceiver = pDevice->getUltCommandStreamReceiver<FamilyType>();
commandStreamReceiver.storeMakeResidentAllocations = true;
MockExperimentalCommandBuffer *mockExCmdBuffer = static_cast<MockExperimentalCommandBuffer *>(commandStreamReceiver.experimentalCmdBuffer.get());
flushTask(commandStreamReceiver);
size_t csrCmdBufferOffset = commandStreamReceiver.commandStream.getUsed();
ASSERT_NE(nullptr, mockExCmdBuffer->currentStream.get());
ASSERT_NE(nullptr, mockExCmdBuffer->currentStream->getGraphicsAllocation());
uint64_t exCmdBufferGpuAddr = mockExCmdBuffer->currentStream->getGraphicsAllocation()->getGpuAddress();
EXPECT_TRUE(commandStreamReceiver.isMadeResident(mockExCmdBuffer->currentStream->getGraphicsAllocation()));
ASSERT_NE(nullptr, mockExCmdBuffer->experimentalAllocation);
EXPECT_TRUE(commandStreamReceiver.isMadeResident(mockExCmdBuffer->experimentalAllocation));
ASSERT_NE(nullptr, mockExCmdBuffer->timestamps);
EXPECT_TRUE(commandStreamReceiver.isMadeResident(mockExCmdBuffer->timestamps));
size_t cmbBufferOffset = mockExCmdBuffer->currentStream->getUsed();
flushTask(commandStreamReceiver);
//two pairs of TS
constexpr uint32_t expectedTsOffset = 4 * sizeof(uint64_t);
EXPECT_EQ(expectedTsOffset, mockExCmdBuffer->timestampsOffset);
constexpr uint32_t expectedExOffset = 0;
EXPECT_EQ(expectedExOffset, mockExCmdBuffer->experimentalAllocationOffset);
HardwareParse hwParserCsr;
hwParserCsr.parseCommands<FamilyType>(commandStreamReceiver.commandStream, csrCmdBufferOffset);
GenCmdList bbList = hwParserCsr.getCommandsList<MI_BATCH_BUFFER_START>();
MI_BATCH_BUFFER_START *bbStart = nullptr;
exCmdBufferGpuAddr += cmbBufferOffset;
GenCmdList::iterator it = bbList.begin();
ASSERT_NE(bbList.end(), it);
bbStart = reinterpret_cast<MI_BATCH_BUFFER_START *>(*it);
ASSERT_NE(nullptr, bbStart);
EXPECT_EQ(exCmdBufferGpuAddr, bbStart->getBatchBufferStartAddressGraphicsaddress472());
EXPECT_EQ(MI_BATCH_BUFFER_START::SECOND_LEVEL_BATCH_BUFFER_SECOND_LEVEL_BATCH, bbStart->getSecondLevelBatchBuffer());
PIPE_CONTROL *pipeControl = nullptr;
HardwareParse hwParserExCmdBuffer;
hwParserExCmdBuffer.parseCommands<FamilyType>(*mockExCmdBuffer->currentStream, cmbBufferOffset);
it = hwParserExCmdBuffer.cmdList.begin();
GenCmdList::iterator end = hwParserExCmdBuffer.cmdList.end();
if (MemorySynchronizationCommands<FamilyType>::isPipeControlWArequired(pDevice->getHardwareInfo())) {
it++;
}
if (UnitTestHelper<FamilyType>::isAdditionalSynchronizationRequired(pDevice->getHardwareInfo())) {
it++;
}
//2nd PIPE_CONTROL
uint64_t timeStampAddress = mockExCmdBuffer->timestamps->getGpuAddress() + 2 * sizeof(uint64_t);
uint32_t expectedTsAddress = static_cast<uint32_t>(timeStampAddress & 0x0000FFFFFFFFULL);
uint32_t expectedTsAddressHigh = static_cast<uint32_t>(timeStampAddress >> 32);
ASSERT_NE(end, it);
pipeControl = genCmdCast<PIPE_CONTROL *>(*it);
ASSERT_NE(nullptr, pipeControl);
EXPECT_EQ(1u, pipeControl->getCommandStreamerStallEnable());
EXPECT_EQ(PIPE_CONTROL::POST_SYNC_OPERATION_WRITE_TIMESTAMP, pipeControl->getPostSyncOperation());
EXPECT_EQ(expectedTsAddress, pipeControl->getAddress());
EXPECT_EQ(expectedTsAddressHigh, pipeControl->getAddressHigh());
//omit SEMAPHORE_WAIT and 3rd PIPE_CONTROL
if (MemorySynchronizationCommands<FamilyType>::isPipeControlWArequired(pDevice->getHardwareInfo())) {
it++;
}
if (UnitTestHelper<FamilyType>::isAdditionalSynchronizationRequired(pDevice->getHardwareInfo())) {
it++;
}
it++;
//get 4th PIPE_CONTROL
timeStampAddress = mockExCmdBuffer->timestamps->getGpuAddress() + 3 * sizeof(uint64_t);
expectedTsAddress = static_cast<uint32_t>(timeStampAddress & 0x0000FFFFFFFFULL);
expectedTsAddressHigh = static_cast<uint32_t>(timeStampAddress >> 32);
it++;
if (UnitTestHelper<FamilyType>::isAdditionalSynchronizationRequired(pDevice->getHardwareInfo())) {
it++;
}
ASSERT_NE(end, it);
pipeControl = genCmdCast<PIPE_CONTROL *>(*it);
ASSERT_NE(nullptr, pipeControl);
EXPECT_EQ(1u, pipeControl->getCommandStreamerStallEnable());
EXPECT_EQ(PIPE_CONTROL::POST_SYNC_OPERATION_WRITE_TIMESTAMP, pipeControl->getPostSyncOperation());
EXPECT_EQ(expectedTsAddress, pipeControl->getAddress());
EXPECT_EQ(expectedTsAddressHigh, pipeControl->getAddressHigh());
}
HWTEST_F(MockExperimentalCommandBufferTest, givenEnabledExperimentalCmdBufferWhenMemoryManagerAlreadyStoresAllocationThenUseItForLinearSteam) {
auto &commandStreamReceiver = pDevice->getUltCommandStreamReceiver<FamilyType>();
auto storage = commandStreamReceiver.getInternalAllocationStorage();
commandStreamReceiver.storeMakeResidentAllocations = true;
MemoryManager *memoryManager = commandStreamReceiver.getMemoryManager();
//Make two allocations, since CSR will try to reuse it also
auto rootDeviceIndex = pDevice->getRootDeviceIndex();
auto allocation = memoryManager->allocateGraphicsMemoryWithProperties({rootDeviceIndex, 3 * MemoryConstants::pageSize64k, GraphicsAllocation::AllocationType::COMMAND_BUFFER, pDevice->getDeviceBitfield()});
storage->storeAllocation(std::unique_ptr<GraphicsAllocation>(allocation), REUSABLE_ALLOCATION);
allocation = memoryManager->allocateGraphicsMemoryWithProperties({rootDeviceIndex, 3 * MemoryConstants::pageSize64k, GraphicsAllocation::AllocationType::COMMAND_BUFFER, pDevice->getDeviceBitfield()});
storage->storeAllocation(std::unique_ptr<GraphicsAllocation>(allocation), REUSABLE_ALLOCATION);
MockExperimentalCommandBuffer *mockExCmdBuffer = static_cast<MockExperimentalCommandBuffer *>(commandStreamReceiver.experimentalCmdBuffer.get());
flushTask(commandStreamReceiver);
ASSERT_NE(nullptr, mockExCmdBuffer->currentStream.get());
ASSERT_NE(nullptr, mockExCmdBuffer->currentStream->getGraphicsAllocation());
EXPECT_EQ(allocation->getUnderlyingBuffer(), mockExCmdBuffer->currentStream->getGraphicsAllocation()->getUnderlyingBuffer());
EXPECT_TRUE(commandStreamReceiver.isMadeResident(mockExCmdBuffer->currentStream->getGraphicsAllocation()));
}
HWTEST_F(MockExperimentalCommandBufferTest, givenEnabledExperimentalCmdBufferWhenLinearStreamIsExhaustedThenStoreOldAllocationForReuseAndObtainNewAllocationForLinearStream) {
using MI_BATCH_BUFFER_START = typename FamilyType::MI_BATCH_BUFFER_START;
auto &commandStreamReceiver = pDevice->getUltCommandStreamReceiver<FamilyType>();
commandStreamReceiver.storeMakeResidentAllocations = true;
MockExperimentalCommandBuffer *mockExCmdBuffer = static_cast<MockExperimentalCommandBuffer *>(commandStreamReceiver.experimentalCmdBuffer.get());
flushTask(commandStreamReceiver);
size_t csrCmdBufferOffset = commandStreamReceiver.commandStream.getUsed();
ASSERT_NE(nullptr, mockExCmdBuffer->currentStream.get());
ASSERT_NE(nullptr, mockExCmdBuffer->currentStream->getGraphicsAllocation());
uintptr_t oldCmdBufferAddress = reinterpret_cast<uintptr_t>(mockExCmdBuffer->currentStream->getGraphicsAllocation());
uint64_t oldExCmdBufferGpuAddr = mockExCmdBuffer->currentStream->getGraphicsAllocation()->getGpuAddress();
//leave space for single DWORD
mockExCmdBuffer->currentStream->getSpace(mockExCmdBuffer->currentStream->getAvailableSpace() - sizeof(uint32_t));
HardwareParse hwParserCsr;
hwParserCsr.parseCommands<FamilyType>(commandStreamReceiver.commandStream, 0);
GenCmdList bbList = hwParserCsr.getCommandsList<MI_BATCH_BUFFER_START>();
MI_BATCH_BUFFER_START *bbStart = nullptr;
GenCmdList::iterator it = bbList.begin();
ASSERT_NE(bbList.end(), it);
bbStart = reinterpret_cast<MI_BATCH_BUFFER_START *>(*it);
ASSERT_NE(nullptr, bbStart);
EXPECT_EQ(oldExCmdBufferGpuAddr, bbStart->getBatchBufferStartAddressGraphicsaddress472());
EXPECT_EQ(MI_BATCH_BUFFER_START::SECOND_LEVEL_BATCH_BUFFER_SECOND_LEVEL_BATCH, bbStart->getSecondLevelBatchBuffer());
flushTask(commandStreamReceiver);
ASSERT_NE(nullptr, mockExCmdBuffer->currentStream.get());
ASSERT_NE(nullptr, mockExCmdBuffer->currentStream->getGraphicsAllocation());
EXPECT_TRUE(commandStreamReceiver.isMadeResident(mockExCmdBuffer->currentStream->getGraphicsAllocation()));
uintptr_t newCmdBufferAddress = reinterpret_cast<uintptr_t>(mockExCmdBuffer->currentStream->getGraphicsAllocation());
uint64_t newExCmdBufferGpuAddr = mockExCmdBuffer->currentStream->getGraphicsAllocation()->getGpuAddress();
EXPECT_NE(oldCmdBufferAddress, newCmdBufferAddress);
EXPECT_NE(oldExCmdBufferGpuAddr, newExCmdBufferGpuAddr);
hwParserCsr.TearDown();
hwParserCsr.parseCommands<FamilyType>(commandStreamReceiver.commandStream, csrCmdBufferOffset);
bbList = hwParserCsr.getCommandsList<MI_BATCH_BUFFER_START>();
bbStart = nullptr;
it = bbList.begin();
ASSERT_NE(bbList.end(), it);
bbStart = reinterpret_cast<MI_BATCH_BUFFER_START *>(*it);
ASSERT_NE(nullptr, bbStart);
EXPECT_EQ(newExCmdBufferGpuAddr, bbStart->getBatchBufferStartAddressGraphicsaddress472());
EXPECT_EQ(MI_BATCH_BUFFER_START::SECOND_LEVEL_BATCH_BUFFER_SECOND_LEVEL_BATCH, bbStart->getSecondLevelBatchBuffer());
}
HWTEST_F(ExperimentalCommandBufferTest, givenEnabledExperimentalCmdBufferWhenCommandStreamReceiverIsCreatedThenExperimentalCmdBufferIsNotNull) {
auto &commandStreamReceiver = pDevice->getUltCommandStreamReceiver<FamilyType>();
EXPECT_NE(nullptr, commandStreamReceiver.experimentalCmdBuffer.get());
}
HWTEST_F(ExperimentalCommandBufferTest, givenEnabledExperimentalCmdBufferWhenCommandStreamReceiverIsFlushedThenExpectPrintAfterDtor) {
auto &commandStreamReceiver = pDevice->getUltCommandStreamReceiver<FamilyType>();
flushTask(commandStreamReceiver);
//forced dtor to get printed timestamps
testing::internal::CaptureStdout();
commandStreamReceiver.setExperimentalCmdBuffer(std::move(std::unique_ptr<ExperimentalCommandBuffer>(nullptr)));
std::string output = testing::internal::GetCapturedStdout();
EXPECT_STRNE(output.c_str(), "");
}
HWTEST_F(ExperimentalCommandBufferTest, givenEnabledExperimentalCmdBufferWhenCommandStreamReceiverIsNotFlushedThenExpectNoPrintAfterDtor) {
auto &commandStreamReceiver = pDevice->getUltCommandStreamReceiver<FamilyType>();
//forced dtor to try to get printed timestamps
testing::internal::CaptureStdout();
commandStreamReceiver.setExperimentalCmdBuffer(std::move(std::unique_ptr<ExperimentalCommandBuffer>(nullptr)));
std::string output = testing::internal::GetCapturedStdout();
EXPECT_STREQ(output.c_str(), "");
}
using ExperimentalCommandBufferRootDeviceIndexTest = MultiRootDeviceFixture;
TEST_F(ExperimentalCommandBufferRootDeviceIndexTest, experimentalCommandBufferGraphicsAllocationsHaveCorrectRootDeviceIndex) {
auto experimentalCommandBuffer = std::make_unique<MockExperimentalCommandBuffer>(&device->getGpgpuCommandStreamReceiver());
ASSERT_NE(nullptr, experimentalCommandBuffer);
EXPECT_EQ(expectedRootDeviceIndex, experimentalCommandBuffer->experimentalAllocation->getRootDeviceIndex());
EXPECT_EQ(expectedRootDeviceIndex, experimentalCommandBuffer->timestamps->getRootDeviceIndex());
}
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