Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(501)

Issues Search
    My Issues | Starred     Open | Closed | All

Unified Diff: components/scheduler/child/idle_helper_unittest.cc

Issue 2118903002: scheduler: Move the Blink scheduler into Blink (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebased Created 4 years, 4 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « components/scheduler/child/idle_helper.cc ('k') | components/scheduler/child/scheduler_helper.h » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: components/scheduler/child/idle_helper_unittest.cc
diff --git a/components/scheduler/child/idle_helper_unittest.cc b/components/scheduler/child/idle_helper_unittest.cc
deleted file mode 100644
index 229000409e258eb5be2710959f7563cc4fee145b..0000000000000000000000000000000000000000
--- a/components/scheduler/child/idle_helper_unittest.cc
+++ /dev/null
@@ -1,1160 +0,0 @@
-// Copyright 2015 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/child/idle_helper.h"
-
-#include <utility>
-
-#include "base/callback.h"
-#include "base/macros.h"
-#include "base/memory/ptr_util.h"
-#include "base/run_loop.h"
-#include "base/test/simple_test_tick_clock.h"
-#include "cc/test/ordered_simple_task_runner.h"
-#include "components/scheduler/base/real_time_domain.h"
-#include "components/scheduler/base/task_queue.h"
-#include "components/scheduler/base/task_queue_manager.h"
-#include "components/scheduler/base/test_time_source.h"
-#include "components/scheduler/child/scheduler_helper.h"
-#include "components/scheduler/child/scheduler_tqm_delegate_for_test.h"
-#include "components/scheduler/child/scheduler_tqm_delegate_impl.h"
-#include "testing/gmock/include/gmock/gmock.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-using testing::_;
-using testing::AnyNumber;
-using testing::AtLeast;
-using testing::Exactly;
-using testing::Invoke;
-using testing::Return;
-
-namespace scheduler {
-
-namespace {
-void AppendToVectorTestTask(std::vector<std::string>* vector,
- std::string value) {
- vector->push_back(value);
-}
-
-void AppendToVectorIdleTestTask(std::vector<std::string>* vector,
- std::string value,
- base::TimeTicks deadline) {
- AppendToVectorTestTask(vector, value);
-}
-
-void NullTask() {
-}
-
-void NullIdleTask(base::TimeTicks deadline) {
-}
-
-void AppendToVectorReentrantTask(base::SingleThreadTaskRunner* task_runner,
- std::vector<int>* vector,
- int* reentrant_count,
- int max_reentrant_count) {
- vector->push_back((*reentrant_count)++);
- if (*reentrant_count < max_reentrant_count) {
- task_runner->PostTask(
- FROM_HERE,
- base::Bind(AppendToVectorReentrantTask, base::Unretained(task_runner),
- vector, reentrant_count, max_reentrant_count));
- }
-}
-
-void IdleTestTask(int* run_count,
- base::TimeTicks* deadline_out,
- base::TimeTicks deadline) {
- (*run_count)++;
- *deadline_out = deadline;
-}
-
-int max_idle_task_reposts = 2;
-
-void RepostingIdleTestTask(SingleThreadIdleTaskRunner* idle_task_runner,
- int* run_count,
- base::TimeTicks* deadline_out,
- base::TimeTicks deadline) {
- if ((*run_count + 1) < max_idle_task_reposts) {
- idle_task_runner->PostIdleTask(
- FROM_HERE,
- base::Bind(&RepostingIdleTestTask, base::Unretained(idle_task_runner),
- run_count, deadline_out));
- }
- *deadline_out = deadline;
- (*run_count)++;
-}
-
-void RepostingUpdateClockIdleTestTask(
- SingleThreadIdleTaskRunner* idle_task_runner,
- int* run_count,
- base::SimpleTestTickClock* clock,
- base::TimeDelta advance_time,
- std::vector<base::TimeTicks>* deadlines,
- base::TimeTicks deadline) {
- if ((*run_count + 1) < max_idle_task_reposts) {
- idle_task_runner->PostIdleTask(
- FROM_HERE, base::Bind(&RepostingUpdateClockIdleTestTask,
- base::Unretained(idle_task_runner), run_count,
- clock, advance_time, deadlines));
- }
- deadlines->push_back(deadline);
- (*run_count)++;
- clock->Advance(advance_time);
-}
-
-void RepeatingTask(base::SingleThreadTaskRunner* task_runner,
- int num_repeats,
- base::TimeDelta delay) {
- if (num_repeats > 1) {
- task_runner->PostDelayedTask(
- FROM_HERE, base::Bind(&RepeatingTask, base::Unretained(task_runner),
- num_repeats - 1, delay),
- delay);
- }
-}
-
-void UpdateClockIdleTestTask(base::SimpleTestTickClock* clock,
- int* run_count,
- base::TimeTicks set_time,
- base::TimeTicks deadline) {
- clock->Advance(set_time - clock->NowTicks());
- (*run_count)++;
-}
-
-void UpdateClockToDeadlineIdleTestTask(base::SimpleTestTickClock* clock,
- int* run_count,
- base::TimeTicks deadline) {
- UpdateClockIdleTestTask(clock, run_count, deadline, deadline);
-}
-
-void EndIdlePeriodIdleTask(IdleHelper* idle_helper, base::TimeTicks deadline) {
- idle_helper->EndIdlePeriod();
-}
-
-scoped_refptr<SchedulerTqmDelegate> CreateTaskRunnerDelegate(
- base::MessageLoop* message_loop,
- scoped_refptr<cc::OrderedSimpleTaskRunner> mock_task_runner,
- std::unique_ptr<TestTimeSource> test_time_source) {
- if (message_loop)
- return SchedulerTqmDelegateImpl::Create(message_loop,
- std::move(test_time_source));
-
- return SchedulerTqmDelegateForTest::Create(mock_task_runner,
- std::move(test_time_source));
-}
-
-}; // namespace
-
-class IdleHelperForTest : public IdleHelper, public IdleHelper::Delegate {
- public:
- explicit IdleHelperForTest(
- SchedulerHelper* scheduler_helper,
- base::TimeDelta required_quiescence_duration_before_long_idle_period)
- : IdleHelper(scheduler_helper,
- this,
- "test.idle",
- TRACE_DISABLED_BY_DEFAULT("test.idle"),
- "TestSchedulerIdlePeriod",
- required_quiescence_duration_before_long_idle_period) {}
-
- ~IdleHelperForTest() override {}
-
- // SchedulerHelperDelegate implementation:
- MOCK_METHOD2(CanEnterLongIdlePeriod,
- bool(base::TimeTicks now,
- base::TimeDelta* next_long_idle_period_delay_out));
-
- MOCK_METHOD0(IsNotQuiescent, void());
- MOCK_METHOD0(OnIdlePeriodStarted, void());
- MOCK_METHOD0(OnIdlePeriodEnded, void());
-};
-
-class BaseIdleHelperTest : public testing::Test {
- public:
- BaseIdleHelperTest(
- base::MessageLoop* message_loop,
- base::TimeDelta required_quiescence_duration_before_long_idle_period)
- : clock_(new base::SimpleTestTickClock()),
- mock_task_runner_(
- message_loop
- ? nullptr
- : new cc::OrderedSimpleTaskRunner(clock_.get(), false)),
- message_loop_(message_loop),
- main_task_runner_(CreateTaskRunnerDelegate(
- message_loop,
- mock_task_runner_,
- base::WrapUnique(new TestTimeSource(clock_.get())))),
- scheduler_helper_(
- new SchedulerHelper(main_task_runner_,
- "test.idle",
- TRACE_DISABLED_BY_DEFAULT("test.idle"),
- TRACE_DISABLED_BY_DEFAULT("test.idle.debug"))),
- idle_helper_(new IdleHelperForTest(
- scheduler_helper_.get(),
- required_quiescence_duration_before_long_idle_period)),
- default_task_runner_(scheduler_helper_->DefaultTaskRunner()),
- idle_task_runner_(idle_helper_->IdleTaskRunner()) {
- clock_->Advance(base::TimeDelta::FromMicroseconds(5000));
- }
-
- ~BaseIdleHelperTest() override {}
-
- void SetUp() override {
- EXPECT_CALL(*idle_helper_, OnIdlePeriodStarted()).Times(AnyNumber());
- EXPECT_CALL(*idle_helper_, OnIdlePeriodEnded()).Times(AnyNumber());
- EXPECT_CALL(*idle_helper_, CanEnterLongIdlePeriod(_, _))
- .Times(AnyNumber())
- .WillRepeatedly(Return(true));
- }
-
- void TearDown() override {
- DCHECK(!mock_task_runner_.get() || !message_loop_.get());
- if (mock_task_runner_.get()) {
- // Check that all tests stop posting tasks.
- mock_task_runner_->SetAutoAdvanceNowToPendingTasks(true);
- while (mock_task_runner_->RunUntilIdle()) {
- }
- } else {
- base::RunLoop().RunUntilIdle();
- }
- }
-
- void RunUntilIdle() {
- // Only one of mock_task_runner_ or message_loop_ should be set.
- DCHECK(!mock_task_runner_.get() || !message_loop_.get());
- if (mock_task_runner_.get())
- mock_task_runner_->RunUntilIdle();
- else
- base::RunLoop().RunUntilIdle();
- }
-
- template <typename E>
- static void CallForEachEnumValue(E first,
- E last,
- const char* (*function)(E)) {
- for (E val = first; val < last;
- val = static_cast<E>(static_cast<int>(val) + 1)) {
- (*function)(val);
- }
- }
-
- static void CheckAllTaskQueueIdToString() {
- CallForEachEnumValue<IdleHelper::IdlePeriodState>(
- IdleHelper::IdlePeriodState::FIRST_IDLE_PERIOD_STATE,
- IdleHelper::IdlePeriodState::IDLE_PERIOD_STATE_COUNT,
- &IdleHelper::IdlePeriodStateToString);
- }
-
- bool IsInIdlePeriod() const {
- return idle_helper_->IsInIdlePeriod(
- idle_helper_->SchedulerIdlePeriodState());
- }
-
- protected:
- static base::TimeDelta maximum_idle_period_duration() {
- return base::TimeDelta::FromMilliseconds(
- IdleHelper::kMaximumIdlePeriodMillis);
- }
-
- static base::TimeDelta retry_enable_long_idle_period_delay() {
- return base::TimeDelta::FromMilliseconds(
- IdleHelper::kRetryEnableLongIdlePeriodDelayMillis);
- }
-
- static base::TimeDelta minimum_idle_period_duration() {
- return base::TimeDelta::FromMilliseconds(
- IdleHelper::kMinimumIdlePeriodDurationMillis);
- }
-
- base::TimeTicks CurrentIdleTaskDeadline() {
- return idle_helper_->CurrentIdleTaskDeadline();
- }
-
- void CheckIdlePeriodStateIs(const char* expected) {
- EXPECT_STREQ(expected, IdleHelper::IdlePeriodStateToString(
- idle_helper_->SchedulerIdlePeriodState()));
- }
-
- std::unique_ptr<base::SimpleTestTickClock> clock_;
- // Only one of mock_task_runner_ or message_loop_ will be set.
- scoped_refptr<cc::OrderedSimpleTaskRunner> mock_task_runner_;
- std::unique_ptr<base::MessageLoop> message_loop_;
-
- scoped_refptr<SchedulerTqmDelegate> main_task_runner_;
- std::unique_ptr<SchedulerHelper> scheduler_helper_;
- std::unique_ptr<IdleHelperForTest> idle_helper_;
- scoped_refptr<base::SingleThreadTaskRunner> default_task_runner_;
- scoped_refptr<SingleThreadIdleTaskRunner> idle_task_runner_;
-
- DISALLOW_COPY_AND_ASSIGN(BaseIdleHelperTest);
-};
-
-class IdleHelperTest : public BaseIdleHelperTest {
- public:
- IdleHelperTest() : BaseIdleHelperTest(nullptr, base::TimeDelta()) {}
-
- ~IdleHelperTest() override {}
-
- TaskQueueManager* task_queue_manager() const {
- return scheduler_helper_->GetTaskQueueManagerForTesting();
- }
-
- private:
- DISALLOW_COPY_AND_ASSIGN(IdleHelperTest);
-};
-
-TEST_F(IdleHelperTest, TestPostIdleTask) {
- int run_count = 0;
- base::TimeTicks expected_deadline =
- clock_->NowTicks() + base::TimeDelta::FromMilliseconds(2300);
- base::TimeTicks deadline_in_task;
-
- clock_->Advance(base::TimeDelta::FromMilliseconds(100));
- idle_task_runner_->PostIdleTask(
- FROM_HERE, base::Bind(&IdleTestTask, &run_count, &deadline_in_task));
-
- RunUntilIdle();
- EXPECT_EQ(0, run_count);
-
- idle_helper_->StartIdlePeriod(
- IdleHelper::IdlePeriodState::IN_SHORT_IDLE_PERIOD, clock_->NowTicks(),
- expected_deadline);
- RunUntilIdle();
- EXPECT_EQ(1, run_count);
- EXPECT_EQ(expected_deadline, deadline_in_task);
-}
-
-TEST_F(IdleHelperTest, TestPostIdleTask_EndIdlePeriod) {
- int run_count = 0;
- base::TimeTicks deadline_in_task;
-
- clock_->Advance(base::TimeDelta::FromMilliseconds(100));
- idle_task_runner_->PostIdleTask(
- FROM_HERE, base::Bind(&IdleTestTask, &run_count, &deadline_in_task));
-
- RunUntilIdle();
- EXPECT_EQ(0, run_count);
-
- idle_helper_->StartIdlePeriod(
- IdleHelper::IdlePeriodState::IN_SHORT_IDLE_PERIOD, clock_->NowTicks(),
- clock_->NowTicks() + base::TimeDelta::FromMilliseconds(10));
- idle_helper_->EndIdlePeriod();
- RunUntilIdle();
- EXPECT_EQ(0, run_count);
-}
-
-TEST_F(IdleHelperTest, TestRepostingIdleTask) {
- base::TimeTicks actual_deadline;
- int run_count = 0;
-
- max_idle_task_reposts = 2;
- idle_task_runner_->PostIdleTask(
- FROM_HERE,
- base::Bind(&RepostingIdleTestTask, base::RetainedRef(idle_task_runner_),
- &run_count, &actual_deadline));
- idle_helper_->StartIdlePeriod(
- IdleHelper::IdlePeriodState::IN_SHORT_IDLE_PERIOD, clock_->NowTicks(),
- clock_->NowTicks() + base::TimeDelta::FromMilliseconds(10));
- RunUntilIdle();
- EXPECT_EQ(1, run_count);
-
- // Reposted tasks shouldn't run until next idle period.
- RunUntilIdle();
- EXPECT_EQ(1, run_count);
-
- idle_helper_->StartIdlePeriod(
- IdleHelper::IdlePeriodState::IN_SHORT_IDLE_PERIOD, clock_->NowTicks(),
- clock_->NowTicks() + base::TimeDelta::FromMilliseconds(10));
- RunUntilIdle();
- EXPECT_EQ(2, run_count);
-}
-
-TEST_F(IdleHelperTest, TestIdleTaskExceedsDeadline) {
- int run_count = 0;
-
- // Post two UpdateClockToDeadlineIdleTestTask tasks.
- idle_task_runner_->PostIdleTask(
- FROM_HERE,
- base::Bind(&UpdateClockToDeadlineIdleTestTask, clock_.get(), &run_count));
- idle_task_runner_->PostIdleTask(
- FROM_HERE,
- base::Bind(&UpdateClockToDeadlineIdleTestTask, clock_.get(), &run_count));
-
- idle_helper_->StartIdlePeriod(
- IdleHelper::IdlePeriodState::IN_SHORT_IDLE_PERIOD, clock_->NowTicks(),
- clock_->NowTicks() + base::TimeDelta::FromMilliseconds(10));
- RunUntilIdle();
- // Only the first idle task should execute since it's used up the deadline.
- EXPECT_EQ(1, run_count);
-
- idle_helper_->EndIdlePeriod();
- idle_helper_->StartIdlePeriod(
- IdleHelper::IdlePeriodState::IN_SHORT_IDLE_PERIOD, clock_->NowTicks(),
- clock_->NowTicks() + base::TimeDelta::FromMilliseconds(10));
- RunUntilIdle();
- // Second task should be run on the next idle period.
- EXPECT_EQ(2, run_count);
-}
-
-TEST_F(IdleHelperTest, TestPostIdleTaskAfterWakeup) {
- base::TimeTicks deadline_in_task;
- int run_count = 0;
-
- idle_task_runner_->PostIdleTaskAfterWakeup(
- FROM_HERE, base::Bind(&IdleTestTask, &run_count, &deadline_in_task));
-
- idle_helper_->StartIdlePeriod(
- IdleHelper::IdlePeriodState::IN_SHORT_IDLE_PERIOD, clock_->NowTicks(),
- clock_->NowTicks() + base::TimeDelta::FromMilliseconds(10));
- RunUntilIdle();
- // Shouldn't run yet as no other task woke up the scheduler.
- EXPECT_EQ(0, run_count);
-
- // Must start a new idle period before idle task runs.
- idle_task_runner_->PostIdleTaskAfterWakeup(
- FROM_HERE, base::Bind(&IdleTestTask, &run_count, &deadline_in_task));
-
- idle_helper_->StartIdlePeriod(
- IdleHelper::IdlePeriodState::IN_SHORT_IDLE_PERIOD, clock_->NowTicks(),
- clock_->NowTicks() + base::TimeDelta::FromMilliseconds(10));
- RunUntilIdle();
- // Another after wakeup idle task shouldn't wake the scheduler.
- EXPECT_EQ(0, run_count);
-
- default_task_runner_->PostTask(FROM_HERE, base::Bind(&NullTask));
-
- RunUntilIdle();
- idle_helper_->StartIdlePeriod(
- IdleHelper::IdlePeriodState::IN_SHORT_IDLE_PERIOD, clock_->NowTicks(),
- clock_->NowTicks() + base::TimeDelta::FromMilliseconds(10));
- RunUntilIdle();
- // Execution of default task queue task should trigger execution of idle task.
- EXPECT_EQ(2, run_count);
-}
-
-TEST_F(IdleHelperTest, TestPostIdleTaskAfterWakeupWhileAwake) {
- base::TimeTicks deadline_in_task;
- int run_count = 0;
-
- idle_task_runner_->PostIdleTaskAfterWakeup(
- FROM_HERE, base::Bind(&IdleTestTask, &run_count, &deadline_in_task));
- default_task_runner_->PostTask(FROM_HERE, base::Bind(&NullTask));
-
- RunUntilIdle();
- // Must start a new idle period before idle task runs.
- idle_helper_->StartIdlePeriod(
- IdleHelper::IdlePeriodState::IN_SHORT_IDLE_PERIOD, clock_->NowTicks(),
- clock_->NowTicks() + base::TimeDelta::FromMilliseconds(10));
- RunUntilIdle();
- // Should run as the scheduler was already awakened by the normal task.
- EXPECT_EQ(1, run_count);
-}
-
-TEST_F(IdleHelperTest, TestPostIdleTaskWakesAfterWakeupIdleTask) {
- base::TimeTicks deadline_in_task;
- int run_count = 0;
-
- idle_task_runner_->PostIdleTaskAfterWakeup(
- FROM_HERE, base::Bind(&IdleTestTask, &run_count, &deadline_in_task));
- idle_task_runner_->PostIdleTask(
- FROM_HERE, base::Bind(&IdleTestTask, &run_count, &deadline_in_task));
-
- idle_helper_->StartIdlePeriod(
- IdleHelper::IdlePeriodState::IN_SHORT_IDLE_PERIOD, clock_->NowTicks(),
- clock_->NowTicks() + base::TimeDelta::FromMilliseconds(10));
- RunUntilIdle();
- // Must start a new idle period before after-wakeup idle task runs.
- idle_helper_->StartIdlePeriod(
- IdleHelper::IdlePeriodState::IN_SHORT_IDLE_PERIOD, clock_->NowTicks(),
- clock_->NowTicks() + base::TimeDelta::FromMilliseconds(10));
- RunUntilIdle();
- // Normal idle task should wake up after-wakeup idle task.
- EXPECT_EQ(2, run_count);
-}
-
-class IdleHelperTestWithIdlePeriodObserver : public BaseIdleHelperTest {
- public:
- IdleHelperTestWithIdlePeriodObserver()
- : BaseIdleHelperTest(nullptr, base::TimeDelta()) {}
-
- ~IdleHelperTestWithIdlePeriodObserver() override {}
-
- void SetUp() override {
- // Don't set expectations on IdleHelper::Delegate.
- }
-
- TaskQueueManager* task_queue_manager() const {
- return scheduler_helper_->GetTaskQueueManagerForTesting();
- }
-
- void ExpectIdlePeriodStartsButNeverEnds() {
- EXPECT_CALL(*idle_helper_, OnIdlePeriodStarted()).Times(1);
- EXPECT_CALL(*idle_helper_, OnIdlePeriodEnded()).Times(0);
- }
-
- void ExpectIdlePeriodStartsAndEnds(const testing::Cardinality& cardinality) {
- EXPECT_CALL(*idle_helper_, OnIdlePeriodStarted()).Times(cardinality);
- EXPECT_CALL(*idle_helper_, OnIdlePeriodEnded()).Times(cardinality);
- }
-
- private:
- DISALLOW_COPY_AND_ASSIGN(IdleHelperTestWithIdlePeriodObserver);
-};
-
-TEST_F(IdleHelperTestWithIdlePeriodObserver, TestEnterButNotExitIdlePeriod) {
- ExpectIdlePeriodStartsButNeverEnds();
-
- idle_helper_->StartIdlePeriod(
- IdleHelper::IdlePeriodState::IN_SHORT_IDLE_PERIOD, clock_->NowTicks(),
- clock_->NowTicks() + base::TimeDelta::FromMilliseconds(10));
-}
-
-TEST_F(IdleHelperTestWithIdlePeriodObserver, TestEnterAndExitIdlePeriod) {
- BaseIdleHelperTest* fixture = this;
- ON_CALL(*idle_helper_, OnIdlePeriodStarted())
- .WillByDefault(
- Invoke([fixture]() { EXPECT_TRUE(fixture->IsInIdlePeriod()); }));
- ON_CALL(*idle_helper_, OnIdlePeriodEnded())
- .WillByDefault(
- Invoke([fixture]() { EXPECT_FALSE(fixture->IsInIdlePeriod()); }));
-
- ExpectIdlePeriodStartsAndEnds(Exactly(1));
-
- idle_helper_->StartIdlePeriod(
- IdleHelper::IdlePeriodState::IN_SHORT_IDLE_PERIOD, clock_->NowTicks(),
- clock_->NowTicks() + base::TimeDelta::FromMilliseconds(10));
- idle_helper_->EndIdlePeriod();
-}
-
-class IdleHelperWithMessageLoopTest : public BaseIdleHelperTest {
- public:
- IdleHelperWithMessageLoopTest()
- : BaseIdleHelperTest(new base::MessageLoop(), base::TimeDelta()) {}
- ~IdleHelperWithMessageLoopTest() override {}
-
- void PostFromNestedRunloop(std::vector<
- std::pair<SingleThreadIdleTaskRunner::IdleTask, bool>>* tasks) {
- base::MessageLoop::ScopedNestableTaskAllower allow(message_loop_.get());
- for (std::pair<SingleThreadIdleTaskRunner::IdleTask, bool>& pair : *tasks) {
- if (pair.second) {
- idle_task_runner_->PostIdleTask(FROM_HERE, pair.first);
- } else {
- idle_task_runner_->PostNonNestableIdleTask(FROM_HERE, pair.first);
- }
- }
- idle_helper_->StartIdlePeriod(
- IdleHelper::IdlePeriodState::IN_SHORT_IDLE_PERIOD, clock_->NowTicks(),
- clock_->NowTicks() + base::TimeDelta::FromMilliseconds(10));
- base::RunLoop().RunUntilIdle();
- }
-
- void SetUp() override {
- EXPECT_CALL(*idle_helper_, OnIdlePeriodStarted()).Times(AnyNumber());
- EXPECT_CALL(*idle_helper_, OnIdlePeriodEnded()).Times(AnyNumber());
- }
-
- private:
- DISALLOW_COPY_AND_ASSIGN(IdleHelperWithMessageLoopTest);
-};
-
-TEST_F(IdleHelperWithMessageLoopTest,
- NonNestableIdleTaskDoesntExecuteInNestedLoop) {
- std::vector<std::string> order;
- idle_task_runner_->PostIdleTask(
- FROM_HERE,
- base::Bind(&AppendToVectorIdleTestTask, &order, std::string("1")));
- idle_task_runner_->PostIdleTask(
- FROM_HERE,
- base::Bind(&AppendToVectorIdleTestTask, &order, std::string("2")));
-
- std::vector<std::pair<SingleThreadIdleTaskRunner::IdleTask, bool>>
- tasks_to_post_from_nested_loop;
- tasks_to_post_from_nested_loop.push_back(std::make_pair(
- base::Bind(&AppendToVectorIdleTestTask, &order, std::string("3")),
- false));
- tasks_to_post_from_nested_loop.push_back(std::make_pair(
- base::Bind(&AppendToVectorIdleTestTask, &order, std::string("4")), true));
- tasks_to_post_from_nested_loop.push_back(std::make_pair(
- base::Bind(&AppendToVectorIdleTestTask, &order, std::string("5")), true));
-
- default_task_runner_->PostTask(
- FROM_HERE,
- base::Bind(&IdleHelperWithMessageLoopTest::PostFromNestedRunloop,
- base::Unretained(this),
- base::Unretained(&tasks_to_post_from_nested_loop)));
-
- idle_helper_->StartIdlePeriod(
- IdleHelper::IdlePeriodState::IN_SHORT_IDLE_PERIOD, clock_->NowTicks(),
- clock_->NowTicks() + base::TimeDelta::FromMilliseconds(10));
- RunUntilIdle();
- // Note we expect task 3 to run last because it's non-nestable.
- EXPECT_THAT(order, testing::ElementsAre(std::string("1"), std::string("2"),
- std::string("4"), std::string("5"),
- std::string("3")));
-}
-
-TEST_F(IdleHelperTestWithIdlePeriodObserver, TestLongIdlePeriod) {
- base::TimeTicks expected_deadline =
- clock_->NowTicks() + maximum_idle_period_duration();
- base::TimeTicks deadline_in_task;
- int run_count = 0;
-
- idle_task_runner_->PostIdleTask(
- FROM_HERE, base::Bind(&IdleTestTask, &run_count, &deadline_in_task));
-
- EXPECT_CALL(*idle_helper_, CanEnterLongIdlePeriod(_, _))
- .Times(1)
- .WillRepeatedly(Return(true));
- ExpectIdlePeriodStartsButNeverEnds();
-
- RunUntilIdle();
- EXPECT_EQ(0, run_count); // Shouldn't run yet as no idle period.
-
- idle_helper_->EnableLongIdlePeriod();
- RunUntilIdle();
- EXPECT_EQ(1, run_count); // Should have run in a long idle time.
- EXPECT_EQ(expected_deadline, deadline_in_task);
-}
-
-TEST_F(IdleHelperTest, TestLongIdlePeriodWithPendingDelayedTask) {
- base::TimeDelta pending_task_delay = base::TimeDelta::FromMilliseconds(30);
- base::TimeTicks expected_deadline = clock_->NowTicks() + pending_task_delay;
- base::TimeTicks deadline_in_task;
- int run_count = 0;
-
- idle_task_runner_->PostIdleTask(
- FROM_HERE, base::Bind(&IdleTestTask, &run_count, &deadline_in_task));
- default_task_runner_->PostDelayedTask(FROM_HERE, base::Bind(&NullTask),
- pending_task_delay);
-
- idle_helper_->EnableLongIdlePeriod();
- RunUntilIdle();
- EXPECT_EQ(1, run_count); // Should have run in a long idle time.
- EXPECT_EQ(expected_deadline, deadline_in_task);
-}
-
-TEST_F(IdleHelperTest, TestLongIdlePeriodWithLatePendingDelayedTask) {
- base::TimeDelta pending_task_delay = base::TimeDelta::FromMilliseconds(10);
- base::TimeTicks deadline_in_task;
- int run_count = 0;
-
- default_task_runner_->PostDelayedTask(FROM_HERE, base::Bind(&NullTask),
- pending_task_delay);
-
- // Advance clock until after delayed task was meant to be run.
- clock_->Advance(base::TimeDelta::FromMilliseconds(20));
-
- // Post an idle task and then EnableLongIdlePeriod. Since there is a late
- // pending delayed task this shouldn't actually start an idle period.
- idle_task_runner_->PostIdleTask(
- FROM_HERE, base::Bind(&IdleTestTask, &run_count, &deadline_in_task));
- idle_helper_->EnableLongIdlePeriod();
- RunUntilIdle();
- EXPECT_EQ(0, run_count);
-
- // After the delayed task has been run we should trigger an idle period.
- clock_->Advance(maximum_idle_period_duration());
- RunUntilIdle();
- EXPECT_EQ(1, run_count);
-}
-
-TEST_F(IdleHelperTestWithIdlePeriodObserver, TestLongIdlePeriodRepeating) {
- mock_task_runner_->SetAutoAdvanceNowToPendingTasks(true);
- std::vector<base::TimeTicks> actual_deadlines;
- int run_count = 0;
-
- EXPECT_CALL(*idle_helper_, CanEnterLongIdlePeriod(_, _))
- .Times(4)
- .WillRepeatedly(Return(true));
- ExpectIdlePeriodStartsAndEnds(AtLeast(2));
-
- max_idle_task_reposts = 3;
- base::TimeTicks clock_before(clock_->NowTicks());
- base::TimeDelta idle_task_runtime(base::TimeDelta::FromMilliseconds(10));
- idle_task_runner_->PostIdleTask(
- FROM_HERE,
- base::Bind(&RepostingUpdateClockIdleTestTask,
- base::RetainedRef(idle_task_runner_), &run_count, clock_.get(),
- idle_task_runtime, &actual_deadlines));
-
- // Check each idle task runs in their own idle period.
- idle_helper_->EnableLongIdlePeriod();
- RunUntilIdle();
- EXPECT_EQ(3, run_count);
- EXPECT_THAT(
- actual_deadlines,
- testing::ElementsAre(
- clock_before + maximum_idle_period_duration(),
- clock_before + idle_task_runtime + maximum_idle_period_duration(),
- clock_before + (2 * idle_task_runtime) +
- maximum_idle_period_duration()));
-
- max_idle_task_reposts = 5;
- idle_task_runner_->PostIdleTask(
- FROM_HERE,
- base::Bind(&RepostingUpdateClockIdleTestTask,
- base::RetainedRef(idle_task_runner_), &run_count, clock_.get(),
- idle_task_runtime, &actual_deadlines));
- idle_task_runner_->PostIdleTask(
- FROM_HERE,
- base::Bind(&EndIdlePeriodIdleTask, base::Unretained(idle_helper_.get())));
-
- // Ensure that reposting tasks stop after EndIdlePeriod is called.
- RunUntilIdle();
- EXPECT_EQ(4, run_count);
-}
-
-TEST_F(IdleHelperTest, TestLongIdlePeriodDoesNotWakeScheduler) {
- base::TimeTicks deadline_in_task;
- int run_count = 0;
-
- // Start a long idle period and get the time it should end.
- idle_helper_->EnableLongIdlePeriod();
- // The scheduler should not run the enable_next_long_idle_period task if
- // there are no idle tasks and no other task woke up the scheduler, thus
- // the idle period deadline shouldn't update at the end of the current long
- // idle period.
- base::TimeTicks idle_period_deadline = CurrentIdleTaskDeadline();
- clock_->Advance(maximum_idle_period_duration());
- RunUntilIdle();
-
- base::TimeTicks new_idle_period_deadline = CurrentIdleTaskDeadline();
- EXPECT_EQ(idle_period_deadline, new_idle_period_deadline);
-
- // Posting a after-wakeup idle task also shouldn't wake the scheduler or
- // initiate the next long idle period.
- idle_task_runner_->PostIdleTaskAfterWakeup(
- FROM_HERE, base::Bind(&IdleTestTask, &run_count, &deadline_in_task));
- RunUntilIdle();
- new_idle_period_deadline = CurrentIdleTaskDeadline();
- EXPECT_EQ(idle_period_deadline, new_idle_period_deadline);
- EXPECT_EQ(0, run_count);
-
- // Running a normal task should initiate a new long idle period though.
- default_task_runner_->PostTask(FROM_HERE, base::Bind(&NullTask));
- RunUntilIdle();
- new_idle_period_deadline = CurrentIdleTaskDeadline();
- EXPECT_EQ(idle_period_deadline + maximum_idle_period_duration(),
- new_idle_period_deadline);
-
- EXPECT_EQ(1, run_count);
-}
-
-TEST_F(IdleHelperTestWithIdlePeriodObserver,
- TestLongIdlePeriodWhenNotCanEnterLongIdlePeriod) {
- base::TimeDelta delay = base::TimeDelta::FromMilliseconds(1000);
- base::TimeDelta halfDelay = base::TimeDelta::FromMilliseconds(500);
- base::TimeTicks delayOver = clock_->NowTicks() + delay;
- base::TimeTicks deadline_in_task;
- int run_count = 0;
-
- ON_CALL(*idle_helper_, CanEnterLongIdlePeriod(_, _))
- .WillByDefault(Invoke(
- [delay, delayOver](base::TimeTicks now,
- base::TimeDelta* next_long_idle_period_delay_out) {
- if (now >= delayOver)
- return true;
- *next_long_idle_period_delay_out = delay;
- return false;
- }));
-
- EXPECT_CALL(*idle_helper_, CanEnterLongIdlePeriod(_, _)).Times(2);
- EXPECT_CALL(*idle_helper_, OnIdlePeriodStarted()).Times(AnyNumber());
-
- idle_task_runner_->PostIdleTask(
- FROM_HERE, base::Bind(&IdleTestTask, &run_count, &deadline_in_task));
-
- // Make sure Idle tasks don't run until the delay has occurred.
- idle_helper_->EnableLongIdlePeriod();
- RunUntilIdle();
- EXPECT_EQ(0, run_count);
-
- clock_->Advance(halfDelay);
- RunUntilIdle();
- EXPECT_EQ(0, run_count);
-
- // Delay is finished, idle task should run.
- clock_->Advance(halfDelay);
- RunUntilIdle();
- EXPECT_EQ(1, run_count);
-}
-
-TEST_F(IdleHelperTest, TestLongIdlePeriodImmediatelyRestartsIfMaxDeadline) {
- std::vector<base::TimeTicks> actual_deadlines;
- int run_count = 0;
-
- base::TimeTicks clock_before(clock_->NowTicks());
- base::TimeDelta idle_task_runtime(base::TimeDelta::FromMilliseconds(10));
-
- // The second idle period should happen immediately after the first the
- // they have max deadlines.
- max_idle_task_reposts = 2;
- idle_task_runner_->PostIdleTask(
- FROM_HERE,
- base::Bind(&RepostingUpdateClockIdleTestTask,
- base::RetainedRef(idle_task_runner_), &run_count, clock_.get(),
- idle_task_runtime, &actual_deadlines));
-
- idle_helper_->EnableLongIdlePeriod();
- RunUntilIdle();
- EXPECT_EQ(2, run_count);
- EXPECT_THAT(
- actual_deadlines,
- testing::ElementsAre(
- clock_before + maximum_idle_period_duration(),
- clock_before + idle_task_runtime + maximum_idle_period_duration()));
-}
-
-TEST_F(IdleHelperTest, TestLongIdlePeriodRestartWaitsIfNotMaxDeadline) {
- base::TimeTicks actual_deadline;
- int run_count = 0;
-
- base::TimeDelta pending_task_delay(base::TimeDelta::FromMilliseconds(20));
- base::TimeDelta idle_task_duration(base::TimeDelta::FromMilliseconds(10));
- base::TimeTicks expected_deadline(clock_->NowTicks() + pending_task_delay +
- maximum_idle_period_duration() +
- retry_enable_long_idle_period_delay());
-
- // Post delayed task to ensure idle period doesn't have a max deadline.
- default_task_runner_->PostDelayedTask(FROM_HERE, base::Bind(&NullTask),
- pending_task_delay);
-
- max_idle_task_reposts = 2;
- idle_task_runner_->PostIdleTask(
- FROM_HERE,
- base::Bind(&RepostingIdleTestTask, base::RetainedRef(idle_task_runner_),
- &run_count, &actual_deadline));
- idle_helper_->EnableLongIdlePeriod();
- RunUntilIdle();
- EXPECT_EQ(1, run_count);
- clock_->Advance(idle_task_duration);
-
- // Next idle period shouldn't happen until the pending task has been run.
- RunUntilIdle();
- EXPECT_EQ(1, run_count);
-
- // Once the pending task is run the new idle period should start.
- clock_->Advance(pending_task_delay - idle_task_duration);
-
- // Since the idle period tried to start before the pending task ran we have to
- // wait for the idle helper to retry starting the long idle period.
- clock_->Advance(retry_enable_long_idle_period_delay());
- RunUntilIdle();
-
- EXPECT_EQ(2, run_count);
- EXPECT_EQ(expected_deadline, actual_deadline);
-}
-
-TEST_F(IdleHelperTest, TestLongIdlePeriodPaused) {
- mock_task_runner_->SetAutoAdvanceNowToPendingTasks(true);
- std::vector<base::TimeTicks> actual_deadlines;
- int run_count = 0;
-
- // If there are no idle tasks posted we should start in the paused state.
- idle_helper_->EnableLongIdlePeriod();
- CheckIdlePeriodStateIs("in_long_idle_period_paused");
- // There shouldn't be any delayed tasks posted by the idle helper when paused.
- base::TimeTicks next_pending_delayed_task;
- EXPECT_FALSE(scheduler_helper_->real_time_domain()->NextScheduledRunTime(
- &next_pending_delayed_task));
-
- // Posting a task should transition us to the an active state.
- max_idle_task_reposts = 2;
- base::TimeTicks clock_before(clock_->NowTicks());
- base::TimeDelta idle_task_runtime(base::TimeDelta::FromMilliseconds(10));
- idle_task_runner_->PostIdleTask(
- FROM_HERE,
- base::Bind(&RepostingUpdateClockIdleTestTask,
- base::RetainedRef(idle_task_runner_), &run_count, clock_.get(),
- idle_task_runtime, &actual_deadlines));
- RunUntilIdle();
- EXPECT_EQ(2, run_count);
- EXPECT_THAT(
- actual_deadlines,
- testing::ElementsAre(
- clock_before + maximum_idle_period_duration(),
- clock_before + idle_task_runtime + maximum_idle_period_duration()));
-
- // Once all task have been run we should go back to the paused state.
- CheckIdlePeriodStateIs("in_long_idle_period_paused");
- EXPECT_FALSE(scheduler_helper_->real_time_domain()->NextScheduledRunTime(
- &next_pending_delayed_task));
-
- idle_helper_->EndIdlePeriod();
- CheckIdlePeriodStateIs("not_in_idle_period");
-}
-
-TEST_F(IdleHelperTest, TestLongIdlePeriodWhenShutdown) {
- base::TimeTicks deadline_in_task;
- int run_count = 0;
-
- idle_task_runner_->PostIdleTask(
- FROM_HERE, base::Bind(&IdleTestTask, &run_count, &deadline_in_task));
- scheduler_helper_->Shutdown();
-
- // We shouldn't be able to enter a long idle period when shutdown
- idle_helper_->EnableLongIdlePeriod();
- RunUntilIdle();
- CheckIdlePeriodStateIs("not_in_idle_period");
- EXPECT_EQ(0, run_count);
-}
-
-void TestCanExceedIdleDeadlineIfRequiredTask(IdleHelperForTest* idle_helper,
- bool* can_exceed_idle_deadline_out,
- int* run_count,
- base::TimeTicks deadline) {
- *can_exceed_idle_deadline_out =
- idle_helper->CanExceedIdleDeadlineIfRequired();
- (*run_count)++;
-}
-
-TEST_F(IdleHelperTest, CanExceedIdleDeadlineIfRequired) {
- int run_count = 0;
- bool can_exceed_idle_deadline = false;
-
- // Should return false if not in an idle period.
- EXPECT_FALSE(idle_helper_->CanExceedIdleDeadlineIfRequired());
-
- // Should return false for short idle periods.
- idle_task_runner_->PostIdleTask(
- FROM_HERE,
- base::Bind(&TestCanExceedIdleDeadlineIfRequiredTask, idle_helper_.get(),
- &can_exceed_idle_deadline, &run_count));
- idle_helper_->StartIdlePeriod(
- IdleHelper::IdlePeriodState::IN_SHORT_IDLE_PERIOD, clock_->NowTicks(),
- clock_->NowTicks() + base::TimeDelta::FromMilliseconds(10));
- RunUntilIdle();
- EXPECT_EQ(1, run_count);
- EXPECT_FALSE(can_exceed_idle_deadline);
-
- // Should return false for a long idle period which is shortened due to a
- // pending delayed task.
- default_task_runner_->PostDelayedTask(FROM_HERE, base::Bind(&NullTask),
- base::TimeDelta::FromMilliseconds(10));
- idle_task_runner_->PostIdleTask(
- FROM_HERE,
- base::Bind(&TestCanExceedIdleDeadlineIfRequiredTask, idle_helper_.get(),
- &can_exceed_idle_deadline, &run_count));
- idle_helper_->EnableLongIdlePeriod();
- RunUntilIdle();
- EXPECT_EQ(2, run_count);
- EXPECT_FALSE(can_exceed_idle_deadline);
-
- // Next long idle period will be for the maximum time, so
- // CanExceedIdleDeadlineIfRequired should return true.
- clock_->Advance(maximum_idle_period_duration());
- idle_task_runner_->PostIdleTask(
- FROM_HERE,
- base::Bind(&TestCanExceedIdleDeadlineIfRequiredTask, idle_helper_.get(),
- &can_exceed_idle_deadline, &run_count));
- RunUntilIdle();
- EXPECT_EQ(3, run_count);
- EXPECT_TRUE(can_exceed_idle_deadline);
-}
-
-class IdleHelperWithQuiescencePeriodTest : public BaseIdleHelperTest {
- public:
- enum {
- kQuiescenceDelayMs = 100,
- kLongIdlePeriodMs = 50,
- };
-
- IdleHelperWithQuiescencePeriodTest()
- : BaseIdleHelperTest(
- nullptr,
- base::TimeDelta::FromMilliseconds(kQuiescenceDelayMs)) {}
-
- ~IdleHelperWithQuiescencePeriodTest() override {}
-
- void SetUp() override {
- EXPECT_CALL(*idle_helper_, OnIdlePeriodStarted()).Times(AnyNumber());
- EXPECT_CALL(*idle_helper_, OnIdlePeriodEnded()).Times(AnyNumber());
- EXPECT_CALL(*idle_helper_, CanEnterLongIdlePeriod(_, _))
- .Times(AnyNumber())
- .WillRepeatedly(Return(true));
- EXPECT_CALL(*idle_helper_, IsNotQuiescent()).Times(AnyNumber());
- }
-
- void MakeNonQuiescent() {
- // Run an arbitrary task so we're deemed to be not quiescent.
- default_task_runner_->PostTask(FROM_HERE, base::Bind(NullTask));
- RunUntilIdle();
- }
-
- private:
- DISALLOW_COPY_AND_ASSIGN(IdleHelperWithQuiescencePeriodTest);
-};
-
-class IdleHelperWithQuiescencePeriodTestWithIdlePeriodObserver :
- public IdleHelperWithQuiescencePeriodTest {
- public:
-
- IdleHelperWithQuiescencePeriodTestWithIdlePeriodObserver()
- : IdleHelperWithQuiescencePeriodTest() {}
-
- ~IdleHelperWithQuiescencePeriodTestWithIdlePeriodObserver() override {}
-
- void SetUp() override {
- // Don't set expectations on IdleHelper::Delegate.
- }
-
- private:
- DISALLOW_COPY_AND_ASSIGN(
- IdleHelperWithQuiescencePeriodTestWithIdlePeriodObserver);
-};
-
-
-TEST_F(IdleHelperWithQuiescencePeriodTest,
- LongIdlePeriodStartsImmediatelyIfQuiescent) {
- base::TimeTicks actual_deadline;
- int run_count = 0;
- max_idle_task_reposts = 1;
- idle_task_runner_->PostIdleTask(
- FROM_HERE,
- base::Bind(&RepostingIdleTestTask, base::RetainedRef(idle_task_runner_),
- &run_count, &actual_deadline));
-
- idle_helper_->EnableLongIdlePeriod();
- RunUntilIdle();
-
- EXPECT_EQ(1, run_count);
-}
-
-TEST_F(IdleHelperWithQuiescencePeriodTestWithIdlePeriodObserver,
- LongIdlePeriodDoesNotStartsImmediatelyIfBusy) {
- MakeNonQuiescent();
- EXPECT_CALL(*idle_helper_, OnIdlePeriodStarted()).Times(0);
- EXPECT_CALL(*idle_helper_, OnIdlePeriodEnded()).Times(0);
- EXPECT_CALL(*idle_helper_, CanEnterLongIdlePeriod(_, _)).Times(0);
- EXPECT_CALL(*idle_helper_, IsNotQuiescent()).Times(AtLeast(1));
-
- base::TimeTicks actual_deadline;
- int run_count = 0;
- max_idle_task_reposts = 1;
- idle_task_runner_->PostIdleTask(
- FROM_HERE,
- base::Bind(&RepostingIdleTestTask, base::RetainedRef(idle_task_runner_),
- &run_count, &actual_deadline));
-
- idle_helper_->EnableLongIdlePeriod();
- RunUntilIdle();
-
- EXPECT_EQ(0, run_count);
-
- scheduler_helper_->Shutdown();
-}
-
-TEST_F(IdleHelperWithQuiescencePeriodTest,
- LongIdlePeriodStartsAfterQuiescence) {
- MakeNonQuiescent();
- mock_task_runner_->SetAutoAdvanceNowToPendingTasks(true);
-
- // Run a repeating task so we're deemed to be busy for the next 400ms.
- default_task_runner_->PostTask(
- FROM_HERE,
- base::Bind(&RepeatingTask, base::Unretained(default_task_runner_.get()),
- 10, base::TimeDelta::FromMilliseconds(40)));
-
- int run_count = 0;
- // In this scenario EnableLongIdlePeriod deems us not to be quiescent 5x in
- // a row.
- base::TimeTicks expected_deadline =
- clock_->NowTicks() + base::TimeDelta::FromMilliseconds(
- 5 * kQuiescenceDelayMs + kLongIdlePeriodMs);
- base::TimeTicks deadline_in_task;
- idle_task_runner_->PostIdleTask(
- FROM_HERE, base::Bind(&IdleTestTask, &run_count, &deadline_in_task));
-
- idle_helper_->EnableLongIdlePeriod();
- RunUntilIdle();
- EXPECT_EQ(1, run_count);
- EXPECT_EQ(expected_deadline, deadline_in_task);
-}
-
-TEST_F(IdleHelperWithQuiescencePeriodTest,
- QuescienceCheckedForAfterLongIdlePeriodEnds) {
- mock_task_runner_->SetAutoAdvanceNowToPendingTasks(true);
-
- idle_task_runner_->PostIdleTask(FROM_HERE, base::Bind(&NullIdleTask));
- idle_helper_->EnableLongIdlePeriod();
- RunUntilIdle();
-
- // Post a normal task to make the scheduler non-quiescent.
- default_task_runner_->PostTask(FROM_HERE, base::Bind(&NullTask));
- RunUntilIdle();
-
- // Post an idle task. The idle task won't run initially because the system is
- // not judged to be quiescent, but should be run after the quiescence delay.
- int run_count = 0;
- base::TimeTicks deadline_in_task;
- base::TimeTicks expected_deadline =
- clock_->NowTicks() +
- base::TimeDelta::FromMilliseconds(kQuiescenceDelayMs + kLongIdlePeriodMs);
- idle_task_runner_->PostIdleTask(
- FROM_HERE, base::Bind(&IdleTestTask, &run_count, &deadline_in_task));
- idle_helper_->EnableLongIdlePeriod();
- RunUntilIdle();
-
- EXPECT_EQ(1, run_count);
- EXPECT_EQ(expected_deadline, deadline_in_task);
-}
-
-TEST_F(IdleHelperTest, NoShortIdlePeriodWhenDeadlineTooClose) {
- int run_count = 0;
- base::TimeTicks deadline_in_task;
-
- idle_task_runner_->PostIdleTask(
- FROM_HERE, base::Bind(&IdleTestTask, &run_count, &deadline_in_task));
-
- base::TimeDelta half_a_ms(base::TimeDelta::FromMicroseconds(50));
- base::TimeTicks less_than_min_deadline(
- clock_->NowTicks() + minimum_idle_period_duration() - half_a_ms);
- base::TimeTicks more_than_min_deadline(
- clock_->NowTicks() + minimum_idle_period_duration() + half_a_ms);
-
- idle_helper_->StartIdlePeriod(
- IdleHelper::IdlePeriodState::IN_SHORT_IDLE_PERIOD, clock_->NowTicks(),
- less_than_min_deadline);
- RunUntilIdle();
- EXPECT_EQ(0, run_count);
-
- idle_helper_->StartIdlePeriod(
- IdleHelper::IdlePeriodState::IN_SHORT_IDLE_PERIOD, clock_->NowTicks(),
- more_than_min_deadline);
- RunUntilIdle();
- EXPECT_EQ(1, run_count);
-}
-
-TEST_F(IdleHelperTest, NoLongIdlePeriodWhenDeadlineTooClose) {
- int run_count = 0;
- base::TimeTicks deadline_in_task;
-
- base::TimeDelta half_a_ms(base::TimeDelta::FromMicroseconds(50));
- base::TimeDelta less_than_min_deadline_duration(
- minimum_idle_period_duration() - half_a_ms);
- base::TimeDelta more_than_min_deadline_duration(
- minimum_idle_period_duration() + half_a_ms);
-
- idle_task_runner_->PostIdleTask(
- FROM_HERE, base::Bind(&IdleTestTask, &run_count, &deadline_in_task));
- default_task_runner_->PostDelayedTask(FROM_HERE, base::Bind(&NullTask),
- less_than_min_deadline_duration);
-
- idle_helper_->EnableLongIdlePeriod();
- RunUntilIdle();
- EXPECT_EQ(0, run_count);
-
- idle_helper_->EndIdlePeriod();
- clock_->Advance(maximum_idle_period_duration());
- RunUntilIdle();
- EXPECT_EQ(0, run_count);
-
- default_task_runner_->PostDelayedTask(FROM_HERE, base::Bind(&NullTask),
- more_than_min_deadline_duration);
- idle_helper_->EnableLongIdlePeriod();
- RunUntilIdle();
- EXPECT_EQ(1, run_count);
-}
-
-} // namespace scheduler
« no previous file with comments | « components/scheduler/child/idle_helper.cc ('k') | components/scheduler/child/scheduler_helper.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698