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/*
* Copyright (C) 2017-2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/command_stream/linear_stream.h"
#include "shared/source/memory_manager/graphics_allocation.h"
#include "opencl/test/unit_test/command_stream/linear_stream_fixture.h"
#include "opencl/test/unit_test/mocks/mock_graphics_allocation.h"
using namespace NEO;
TEST(LinearStreamCtorTest, WhenConstructingLinearStreamThenInitialValuesValuesAreSet) {
LinearStream linearStream;
EXPECT_EQ(nullptr, linearStream.getCpuBase());
EXPECT_EQ(0u, linearStream.getMaxAvailableSpace());
}
TEST(LinearStreamCtorTest, whenProvidedAllArgumentsThenExpectSameValuesSet) {
GraphicsAllocation *gfxAllocation = reinterpret_cast<GraphicsAllocation *>(0x1234);
void *buffer = reinterpret_cast<void *>(0x2000);
size_t bufferSize = 0x1000u;
LinearStream linearStream(gfxAllocation, buffer, bufferSize);
EXPECT_EQ(buffer, linearStream.getCpuBase());
EXPECT_EQ(bufferSize, linearStream.getMaxAvailableSpace());
EXPECT_EQ(gfxAllocation, linearStream.getGraphicsAllocation());
}
TEST_F(LinearStreamTest, GivenSizeZeroWhenGettingSpaceUsedThenNonNullPointerIsReturned) {
EXPECT_NE(nullptr, linearStream.getSpace(0));
}
TEST_F(LinearStreamTest, GivenSizeUint32WhenGettingSpaceUsedThenNonNullPointerIsReturned) {
EXPECT_NE(nullptr, linearStream.getSpace(sizeof(uint32_t)));
}
TEST_F(LinearStreamTest, WhenAllocatingMultipleTimesThenPointersIncrementedCorrectly) {
size_t allocSize = 1;
auto ptr1 = linearStream.getSpace(allocSize);
ASSERT_NE(nullptr, ptr1);
auto ptr2 = linearStream.getSpace(2);
ASSERT_NE(nullptr, ptr2);
EXPECT_EQ(allocSize, (uintptr_t)ptr2 - (uintptr_t)ptr1);
}
TEST_F(LinearStreamTest, WhenGettingSpaceThenPointerIsWriteable) {
uint32_t cmd = 0xbaddf00d;
auto pCmd = linearStream.getSpace(sizeof(cmd));
ASSERT_NE(nullptr, pCmd);
*(uint32_t *)pCmd = cmd;
}
TEST_F(LinearStreamTest, WhenRequestingMutltipleAllocationsThenDifferentPointersAreReturnedForEachRequest) {
auto pCmd = linearStream.getSpace(sizeof(uint32_t));
ASSERT_NE(nullptr, pCmd);
auto pCmd2 = linearStream.getSpace(sizeof(uint32_t));
ASSERT_NE(pCmd2, pCmd);
}
TEST_F(LinearStreamTest, GivenNoAllocationsWhenGettingSpaceThenAvailableSpaceIsEqualMaximumSpace) {
ASSERT_EQ(linearStream.getMaxAvailableSpace(), linearStream.getAvailableSpace());
}
TEST_F(LinearStreamTest, GivenNoAllocationsWhenGettingSpaceThenAvailableSpaceIsGreaterThanZero) {
EXPECT_NE(0u, linearStream.getAvailableSpace());
}
TEST_F(LinearStreamTest, GivenAllocationWhenGettingSpaceThenAvailableSpaceIsReduced) {
auto originalAvailable = linearStream.getAvailableSpace();
linearStream.getSpace(sizeof(uint32_t));
EXPECT_LT(linearStream.getAvailableSpace(), originalAvailable);
}
TEST_F(LinearStreamTest, GivenOneAllocationsWhenGettingSpaceThenSpaceUsedIsEqualToAllocationSize) {
size_t sizeToAllocate = 2 * sizeof(uint32_t);
ASSERT_NE(nullptr, linearStream.getSpace(sizeToAllocate));
EXPECT_EQ(sizeToAllocate, linearStream.getUsed());
}
TEST_F(LinearStreamTest, givenLinearStreamWhenGetCpuBaseIsCalledThenCpuBaseAddressIsReturned) {
ASSERT_EQ(pCmdBuffer, linearStream.getCpuBase());
}
TEST_F(LinearStreamTest, givenNotEnoughSpaceWhenGetSpaceIsCalledThenThrowException) {
linearStream.getSpace(linearStream.getMaxAvailableSpace());
EXPECT_THROW(linearStream.getSpace(1), std::exception);
}
TEST_F(LinearStreamTest, WhenReplacingBufferThenAvailableSizeIsEqualToBufferSizeAndAllSpaceIsAvailable) {
char buffer[256];
linearStream.replaceBuffer(buffer, sizeof(buffer));
EXPECT_EQ(buffer, linearStream.getCpuBase());
EXPECT_EQ(sizeof(buffer), linearStream.getAvailableSpace());
EXPECT_EQ(0u, linearStream.getUsed());
}
TEST_F(LinearStreamTest, givenNewGraphicsAllocationWhenReplaceIsCalledThenLinearStreamContainsNewGraphicsAllocation) {
auto graphicsAllocation = linearStream.getGraphicsAllocation();
EXPECT_NE(nullptr, graphicsAllocation);
auto address = (void *)0x100000;
MockGraphicsAllocation newGraphicsAllocation(address, 4096);
EXPECT_NE(&newGraphicsAllocation, graphicsAllocation);
linearStream.replaceGraphicsAllocation(&newGraphicsAllocation);
EXPECT_EQ(&newGraphicsAllocation, linearStream.getGraphicsAllocation());
}
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