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// Copyright 2016 The Chromium 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 "components/scheduler/renderer/auto_advancing_virtual_time_domain.h"
#include "base/test/simple_test_tick_clock.h"
#include "cc/test/ordered_simple_task_runner.h"
#include "components/scheduler/base/task_queue_manager.h"
#include "components/scheduler/base/test_time_source.h"
#include "components/scheduler/child/scheduler_tqm_delegate_for_test.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace scheduler {
class AutoAdvancingVirtualTimeDomainTest : public testing::Test {
public:
AutoAdvancingVirtualTimeDomainTest() {}
~AutoAdvancingVirtualTimeDomainTest() override {}
void SetUp() override {
clock_.reset(new base::SimpleTestTickClock());
clock_->Advance(base::TimeDelta::FromMicroseconds(5000));
test_time_source_.reset(new TestTimeSource(clock_.get()));
mock_task_runner_ = make_scoped_refptr(
new cc::OrderedSimpleTaskRunner(clock_.get(), false));
main_task_runner_ = SchedulerTqmDelegateForTest::Create(
mock_task_runner_, make_scoped_ptr(new TestTimeSource(clock_.get())));
manager_ = make_scoped_ptr(new TaskQueueManager(
main_task_runner_, "test.scheduler", "test.scheduler",
"test.scheduler.debug"));
task_runner_ =
manager_->NewTaskQueue(TaskQueue::Spec("test_task_queue"));
initial_time_= clock_->NowTicks();
auto_advancing_time_domain_.reset(
new AutoAdvancingVirtualTimeDomain(initial_time_));
manager_->RegisterTimeDomain(auto_advancing_time_domain_.get());
task_runner_->SetTimeDomain(auto_advancing_time_domain_.get());
}
void TearDown() override {
task_runner_->UnregisterTaskQueue();
manager_->UnregisterTimeDomain(auto_advancing_time_domain_.get());
}
base::TimeTicks initial_time_;
scoped_ptr<base::SimpleTestTickClock> clock_;
scoped_ptr<TestTimeSource> test_time_source_;
scoped_refptr<cc::OrderedSimpleTaskRunner> mock_task_runner_;
scoped_refptr<SchedulerTqmDelegate> main_task_runner_;
scoped_ptr<TaskQueueManager> manager_;
scoped_refptr<TaskQueue> task_runner_;
scoped_ptr<AutoAdvancingVirtualTimeDomain> auto_advancing_time_domain_;
};
namespace {
void NopTask(bool* task_run) {
*task_run = true;
}
} // namesapce
TEST_F(AutoAdvancingVirtualTimeDomainTest, VirtualTimeAdvances) {
base::TimeDelta delay = base::TimeDelta::FromMilliseconds(10);
bool task_run = false;
task_runner_->PostDelayedTask(
FROM_HERE, base::Bind(NopTask, &task_run), delay);
mock_task_runner_->RunUntilIdle();
EXPECT_EQ(initial_time_, clock_->NowTicks());
EXPECT_EQ(initial_time_ + delay,
auto_advancing_time_domain_->CreateLazyNow().Now());
EXPECT_TRUE(task_run);
}
TEST_F(AutoAdvancingVirtualTimeDomainTest, VirtualTimeDoesNotAdvance) {
base::TimeDelta delay = base::TimeDelta::FromMilliseconds(10);
bool task_run = false;
task_runner_->PostDelayedTask(
FROM_HERE, base::Bind(NopTask, &task_run), delay);
auto_advancing_time_domain_->SetCanAdvanceVirtualTime(false);
mock_task_runner_->RunUntilIdle();
EXPECT_EQ(initial_time_, clock_->NowTicks());
EXPECT_EQ(initial_time_, auto_advancing_time_domain_->CreateLazyNow().Now());
EXPECT_FALSE(task_run);
}
} // namespace scheduler
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