drivers/gpu/msd-arm-mali/tests/unit_tests/test_buffer.cc

// Copyright 2018 The Fuchsia 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 "msd_arm_buffer.h"

#include "gtest/gtest.h"

class TestMsdArmBuffer {
public:
    static void TestFlush()
    {
        auto buffer = MsdArmBuffer::Create(1024, "test-buffer");
        ASSERT_NE(nullptr, buffer);
        EXPECT_TRUE(buffer->EnsureRegionFlushed(100, 200));
        EXPECT_EQ(100u, buffer->flushed_region_start_bytes_);
        EXPECT_EQ(200u, buffer->flushed_region_end_bytes_);
        EXPECT_TRUE(buffer->EnsureRegionFlushed(0, 300));
        EXPECT_EQ(0u, buffer->flushed_region_start_bytes_);
        EXPECT_EQ(300u, buffer->flushed_region_end_bytes_);
        EXPECT_TRUE(buffer->EnsureRegionFlushed(0, 0));
        EXPECT_EQ(0u, buffer->flushed_region_start_bytes_);
        EXPECT_EQ(300u, buffer->flushed_region_end_bytes_);
    }
};

TEST(MsdArmBuffer, Flush)
{
    TestMsdArmBuffer test;
    test.TestFlush();
}