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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code if governed by a BSD-style license that can be
// found in LICENSE file.
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/public/platform/scheduler/web_thread_scheduler.h"
#include "third_party/blink/public/platform/web_thread.h"
#include "third_party/blink/renderer/core/testing/sim/sim_request.h"
#include "third_party/blink/renderer/core/testing/sim/sim_test.h"
#include "third_party/blink/renderer/platform/scheduler/public/thread_scheduler.h"
#include "third_party/blink/renderer/platform/testing/runtime_enabled_features_test_helpers.h"
#include "third_party/blink/renderer/platform/testing/unit_test_helpers.h"
using testing::ElementsAre;
using testing::AnyOf;
namespace blink {
class DisableBackgroundThrottlingIsRespectedTest
: public SimTest,
private ScopedTimerThrottlingForBackgroundTabsForTest {
public:
DisableBackgroundThrottlingIsRespectedTest()
: ScopedTimerThrottlingForBackgroundTabsForTest(false) {}
void SetUp() override {
SimTest::SetUp();
}
};
TEST_F(DisableBackgroundThrottlingIsRespectedTest,
DisableBackgroundThrottlingIsRespected) {
SimRequest main_resource("https://example.com/", "text/html");
LoadURL("https://example.com/");
main_resource.Complete(
"(<script>"
" function f(repetitions) {"
" if (repetitions == 0) return;"
" console.log('called f');"
" setTimeout(f, 10, repetitions - 1);"
" }"
" f(5);"
"</script>)");
Platform::Current()
->CurrentThread()
->Scheduler()
->GetWebMainThreadSchedulerForTest()
->SetRendererBackgrounded(true);
// Run delayed tasks for 1 second. All tasks should be completed
// with throttling disabled.
test::RunDelayedTasks(TimeDelta::FromSeconds(1));
EXPECT_THAT(ConsoleMessages(), ElementsAre("called f", "called f", "called f",
"called f", "called f"));
}
class BackgroundRendererThrottlingTest : public SimTest {};
TEST_F(BackgroundRendererThrottlingTest, BackgroundRenderersAreThrottled) {
SimRequest main_resource("https://example.com/", "text/html");
LoadURL("https://example.com/");
main_resource.Complete(
"(<script>"
" function f(repetitions) {"
" if (repetitions == 0) return;"
" console.log('called f');"
" setTimeout(f, 10, repetitions - 1);"
" }"
" setTimeout(f, 10, 50);"
"</script>)");
Platform::Current()
->CurrentThread()
->Scheduler()
->GetWebMainThreadSchedulerForTest()
->SetRendererBackgrounded(true);
// Make sure that we run no more than one task a second.
test::RunDelayedTasks(TimeDelta::FromMilliseconds(3000));
EXPECT_THAT(
ConsoleMessages(),
AnyOf(ElementsAre("called f", "called f", "called f"),
ElementsAre("called f", "called f", "called f", "called f")));
}
} // namespace blink
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