blob: 02a31b5ee1d880c3124bd4caf6de9cdb1e749a2c [file] [log] [blame]
// Copyright (c) 2011 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.
// Tests of CancellationFlag class.
#include "base/synchronization/cancellation_flag.h"
#include "base/bind.h"
#include "base/logging.h"
#include "base/message_loop.h"
#include "base/synchronization/spin_wait.h"
#include "base/time.h"
#include "base/threading/thread.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"
namespace base {
namespace {
//------------------------------------------------------------------------------
// Define our test class.
//------------------------------------------------------------------------------
void CancelHelper(CancellationFlag* flag) {
#if GTEST_HAS_DEATH_TEST
ASSERT_DEBUG_DEATH(flag->Set(), "");
#endif
}
TEST(CancellationFlagTest, SimpleSingleThreadedTest) {
CancellationFlag flag;
ASSERT_FALSE(flag.IsSet());
flag.Set();
ASSERT_TRUE(flag.IsSet());
}
TEST(CancellationFlagTest, DoubleSetTest) {
CancellationFlag flag;
ASSERT_FALSE(flag.IsSet());
flag.Set();
ASSERT_TRUE(flag.IsSet());
flag.Set();
ASSERT_TRUE(flag.IsSet());
}
TEST(CancellationFlagTest, SetOnDifferentThreadDeathTest) {
// Checks that Set() can't be called from any other thread.
// CancellationFlag should die on a DCHECK if Set() is called from
// other thread.
::testing::FLAGS_gtest_death_test_style = "threadsafe";
Thread t("CancellationFlagTest.SetOnDifferentThreadDeathTest");
ASSERT_TRUE(t.Start());
ASSERT_TRUE(t.message_loop());
ASSERT_TRUE(t.IsRunning());
CancellationFlag flag;
t.message_loop()->PostTask(FROM_HERE, base::Bind(&CancelHelper, &flag));
}
} // namespace
} // namespace base