cef/tests/ceftests/waitable_event_unittest.cc

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// Copyright 2016 The Chromium Embedded Framework Authors. Portions copyright
// 2012 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 "include/base/cef_callback.h"
#include "include/cef_thread.h"
#include "include/cef_waitable_event.h"
#include "include/wrapper/cef_closure_task.h"
#include "tests/gtest/include/gtest/gtest.h"
// Test manual reset.
TEST(WaitableEventTest, ManualReset) {
CefRefPtr<CefWaitableEvent> event =
CefWaitableEvent::CreateWaitableEvent(false, false);
EXPECT_FALSE(event->IsSignaled());
event->Signal();
EXPECT_TRUE(event->IsSignaled());
EXPECT_TRUE(event->IsSignaled());
event->Reset();
EXPECT_FALSE(event->IsSignaled());
EXPECT_FALSE(event->TimedWait(10));
event->Signal();
event->Wait();
EXPECT_TRUE(event->TimedWait(10));
}
// Test automatic reset.
TEST(WaitableEventTest, AutomaticReset) {
CefRefPtr<CefWaitableEvent> event =
CefWaitableEvent::CreateWaitableEvent(true, false);
EXPECT_FALSE(event->IsSignaled());
event->Signal();
EXPECT_TRUE(event->IsSignaled());
EXPECT_FALSE(event->IsSignaled());
event->Reset();
EXPECT_FALSE(event->IsSignaled());
EXPECT_FALSE(event->TimedWait(10));
event->Signal();
event->Wait();
EXPECT_FALSE(event->TimedWait(10));
event->Signal();
EXPECT_TRUE(event->TimedWait(10));
}
namespace {
void SignalEvent(CefWaitableEvent* event) {
event->Signal();
}
} // namespace
// Tests that a WaitableEvent can be safely deleted when |Wait| is done without
// additional synchronization.
TEST(WaitableEventTest, WaitAndDelete) {
CefRefPtr<CefWaitableEvent> event =
CefWaitableEvent::CreateWaitableEvent(true, false);
CefRefPtr<CefThread> thread = CefThread::CreateThread("waitable_event_test");
thread->GetTaskRunner()->PostDelayedTask(
CefCreateClosureTask(
base::BindOnce(SignalEvent, base::Unretained(event.get()))),
10);
event->Wait();
event = nullptr;
thread->Stop();
thread = nullptr;
}