compute-runtime/unit_tests/gen8/coherency_tests_gen8.cpp

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#include "runtime/command_stream/command_stream_receiver_hw.h"
#include "runtime/execution_environment/execution_environment.h"
#include "test.h"

using namespace OCLRT;

typedef ::testing::Test Gen8CoherencyRequirements;

GEN8TEST_F(Gen8CoherencyRequirements, noCoherencyProgramming) {
    ExecutionEnvironment executionEnvironment;
    CommandStreamReceiverHw<BDWFamily> csr(*platformDevices[0], executionEnvironment);
    LinearStream stream;
    DispatchFlags flags = {};

    auto retSize = csr.getCmdSizeForCoherency();
    EXPECT_EQ(0u, retSize);
    csr.programCoherency(stream, flags);
    EXPECT_EQ(0u, stream.getUsed());

    flags.requiresCoherency = true;
    retSize = csr.getCmdSizeForCoherency();
    EXPECT_EQ(0u, retSize);
    csr.programCoherency(stream, flags);
    EXPECT_EQ(0u, stream.getUsed());
}