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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/trees/swap_promise_manager.h"
#include <memory>
#include <utility>
#include "base/time/time.h"
#include "cc/test/mock_latency_info_swap_promise_monitor.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using ::testing::StrictMock;
namespace cc {
namespace {
class MockSwapPromise : public SwapPromise {
public:
MockSwapPromise() = default;
~MockSwapPromise() override = default;
void DidActivate() override {}
void WillSwap(viz::CompositorFrameMetadata* metadata) override {}
void DidSwap() override {}
DidNotSwapAction DidNotSwap(DidNotSwapReason reason,
base::TimeTicks ts) override {
return DidNotSwapAction::BREAK_PROMISE;
}
MOCK_METHOD0(OnCommit, void());
int64_t GetTraceId() const override { return 0; }
};
TEST(SwapPromiseManagerTest, SwapPromiseMonitors) {
SwapPromiseManager manager;
StrictMock<MockLatencyInfoSwapPromiseMonitor> monitor(&manager);
EXPECT_CALL(monitor, OnSetNeedsCommitOnMain()).Times(2);
manager.NotifyLatencyInfoSwapPromiseMonitors();
manager.NotifyLatencyInfoSwapPromiseMonitors();
}
TEST(SwapPromiseManagerTest, SwapPromises) {
SwapPromiseManager manager;
std::unique_ptr<StrictMock<MockSwapPromise>> swap_promise =
std::make_unique<StrictMock<MockSwapPromise>>();
MockSwapPromise* mock_promise = swap_promise.get();
manager.QueueSwapPromise(std::move(swap_promise));
EXPECT_CALL(*mock_promise, OnCommit()).Times(1);
manager.WillCommit();
std::vector<std::unique_ptr<SwapPromise>> swap_promise_list =
manager.TakeSwapPromises();
// Now that we've taken the promises, this shouldn't trigger a call.
manager.WillCommit();
EXPECT_EQ(1, static_cast<int>(swap_promise_list.size()));
}
} // namespace
} // namespace cc
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