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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 "core/dom/IdleDeadline.h"
#include "platform/testing/TestingPlatformSupport.h"
#include "public/platform/Platform.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "wtf/CurrentTime.h"
namespace blink {
namespace {
class MockScheduler final : public WebScheduler {
public:
MockScheduler() {}
~MockScheduler() override {}
// WebScheduler implementation:
WebTaskRunner* loadingTaskRunner() override { return nullptr; }
WebTaskRunner* timerTaskRunner() override { return nullptr; }
void shutdown() override {}
bool shouldYieldForHighPriorityWork() override { return true; }
bool canExceedIdleDeadlineIfRequired() override { return false; }
void postIdleTask(const WebTraceLocation&, WebThread::IdleTask*) override {}
void postNonNestableIdleTask(const WebTraceLocation&,
WebThread::IdleTask*) override {}
std::unique_ptr<WebViewScheduler> createWebViewScheduler(
InterventionReporter*,
WebViewScheduler::WebViewSchedulerSettings*) override {
return nullptr;
}
void suspendTimerQueue() override {}
void resumeTimerQueue() override {}
void addPendingNavigation(WebScheduler::NavigatingFrameType) override {}
void removePendingNavigation(WebScheduler::NavigatingFrameType) override {}
private:
DISALLOW_COPY_AND_ASSIGN(MockScheduler);
};
class MockThread final : public WebThread {
public:
MockThread() {}
~MockThread() override {}
bool isCurrentThread() const override { return true; }
WebScheduler* scheduler() const override { return &m_scheduler; }
private:
mutable MockScheduler m_scheduler;
DISALLOW_COPY_AND_ASSIGN(MockThread);
};
class MockPlatform : public TestingPlatformSupport {
public:
MockPlatform() {}
~MockPlatform() override {}
WebThread* currentThread() override { return &m_thread; }
private:
MockThread m_thread;
DISALLOW_COPY_AND_ASSIGN(MockPlatform);
};
} // namespace
class IdleDeadlineTest : public testing::Test {
public:
void SetUp() override {
m_originalTimeFunction = setTimeFunctionsForTesting([] { return 1.0; });
}
void TearDown() override {
setTimeFunctionsForTesting(m_originalTimeFunction);
}
private:
TimeFunction m_originalTimeFunction;
};
TEST_F(IdleDeadlineTest, deadlineInFuture) {
IdleDeadline* deadline =
IdleDeadline::create(1.25, IdleDeadline::CallbackType::CalledWhenIdle);
// Note: the deadline is computed with reduced resolution.
EXPECT_FLOAT_EQ(249.995, deadline->timeRemaining());
}
TEST_F(IdleDeadlineTest, deadlineInPast) {
IdleDeadline* deadline =
IdleDeadline::create(0.75, IdleDeadline::CallbackType::CalledWhenIdle);
EXPECT_FLOAT_EQ(0, deadline->timeRemaining());
}
TEST_F(IdleDeadlineTest, yieldForHighPriorityWork) {
ScopedTestingPlatformSupport<MockPlatform> platform;
IdleDeadline* deadline =
IdleDeadline::create(1.25, IdleDeadline::CallbackType::CalledWhenIdle);
EXPECT_FLOAT_EQ(0, deadline->timeRemaining());
}
} // namespace blink
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