65 lines
1.7 KiB
C++
65 lines
1.7 KiB
C++
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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Tests of CancellationFlag class.
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#include "base/synchronization/cancellation_flag.h"
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#include "base/bind.h"
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#include "base/logging.h"
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#include "base/message_loop/message_loop.h"
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#include "base/synchronization/spin_wait.h"
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#include "base/threading/thread.h"
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#include "base/time/time.h"
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#include "testing/gtest/include/gtest/gtest.h"
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#include "testing/platform_test.h"
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namespace base {
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namespace {
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//------------------------------------------------------------------------------
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// Define our test class.
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//------------------------------------------------------------------------------
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void CancelHelper(CancellationFlag* flag) {
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#if GTEST_HAS_DEATH_TEST
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ASSERT_DEBUG_DEATH(flag->Set(), "");
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#endif
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}
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TEST(CancellationFlagTest, SimpleSingleThreadedTest) {
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CancellationFlag flag;
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ASSERT_FALSE(flag.IsSet());
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flag.Set();
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ASSERT_TRUE(flag.IsSet());
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}
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TEST(CancellationFlagTest, DoubleSetTest) {
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CancellationFlag flag;
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ASSERT_FALSE(flag.IsSet());
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flag.Set();
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ASSERT_TRUE(flag.IsSet());
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flag.Set();
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ASSERT_TRUE(flag.IsSet());
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}
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TEST(CancellationFlagTest, SetOnDifferentThreadDeathTest) {
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// Checks that Set() can't be called from any other thread.
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// CancellationFlag should die on a DCHECK if Set() is called from
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// other thread.
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::testing::FLAGS_gtest_death_test_style = "threadsafe";
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Thread t("CancellationFlagTest.SetOnDifferentThreadDeathTest");
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ASSERT_TRUE(t.Start());
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ASSERT_TRUE(t.message_loop());
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ASSERT_TRUE(t.IsRunning());
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CancellationFlag flag;
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t.message_loop()->PostTask(FROM_HERE, base::Bind(&CancelHelper, &flag));
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}
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} // namespace
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} // namespace base
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