mock_vulkan_unittests.cc

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// Copyright 2013 The Flutter 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 "flutter/testing/testing.h"  // IWYU pragma: keep
#include "gtest/gtest.h"
#include "impeller/renderer/backend/vulkan/command_pool_vk.h"
#include "impeller/renderer/backend/vulkan/test/mock_vulkan.h"
#include "vulkan/vulkan_enums.hpp"
 
namespace impeller {
namespace testing {
 
TEST(MockVulkanContextTest, IsThreadSafe) {
  // In a typical app, there is a single ContextVK per app, shared b/w threads.
  //
  // This test ensures that the (mock) ContextVK is thread-safe.
  auto const context = MockVulkanContextBuilder().Build();
 
  // Spawn two threads, and have them create a CommandPoolVK each.
  std::thread thread1([&context]() {
    auto const pool = context->GetCommandPoolRecycler()->Get();
    EXPECT_TRUE(pool);
  });
 
  std::thread thread2([&context]() {
    auto const pool = context->GetCommandPoolRecycler()->Get();
    EXPECT_TRUE(pool);
  });
 
  thread1.join();
  thread2.join();
 
  context->Shutdown();
}
 
TEST(MockVulkanContextTest, DefaultFenceAlwaysReportsSuccess) {
  auto const context = MockVulkanContextBuilder().Build();
  auto const device = context->GetDevice();
 
  auto fence = device.createFenceUnique({}).value;
  EXPECT_EQ(vk::Result::eSuccess, device.getFenceStatus(*fence));
}
 
TEST(MockVulkanContextTest, MockedFenceReportsStatus) {
  auto const context = MockVulkanContextBuilder().Build();
 
  auto const device = context->GetDevice();
  auto fence = device.createFenceUnique({}).value;
  MockFence::SetStatus(fence, vk::Result::eNotReady);
 
  EXPECT_EQ(vk::Result::eNotReady, device.getFenceStatus(fence.get()));
 
  MockFence::SetStatus(fence, vk::Result::eSuccess);
  EXPECT_EQ(vk::Result::eSuccess, device.getFenceStatus(*fence));
}
 
}  // namespace testing
}  // namespace impeller