Index: components/sync/base/scoped_event_signal_unittest.cc |
diff --git a/components/sync/base/scoped_event_signal_unittest.cc b/components/sync/base/scoped_event_signal_unittest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..fe65b4b950e3ce73cd8fd664bee252f7df109a4a |
--- /dev/null |
+++ b/components/sync/base/scoped_event_signal_unittest.cc |
@@ -0,0 +1,84 @@ |
+// 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 "components/sync/base/scoped_event_signal.h" |
+ |
+#include <memory> |
+#include <utility> |
+ |
+#include "base/synchronization/waitable_event.h" |
+#include "testing/gtest/include/gtest/gtest.h" |
+ |
+namespace syncer { |
+ |
+TEST(ScopedEventSignalTest, SignalAtEndOfScope) { |
+ base::WaitableEvent event(base::WaitableEvent::ResetPolicy::MANUAL, |
+ base::WaitableEvent::InitialState::NOT_SIGNALED); |
+ |
+ { |
+ ScopedEventSignal scoped_event_signal(&event); |
+ EXPECT_FALSE(event.IsSignaled()); |
+ } |
+ |
+ EXPECT_TRUE(event.IsSignaled()); |
+} |
+ |
+TEST(ScopedEventSignalTest, MoveConstructor) { |
+ base::WaitableEvent event(base::WaitableEvent::ResetPolicy::MANUAL, |
+ base::WaitableEvent::InitialState::NOT_SIGNALED); |
+ |
+ { |
+ ScopedEventSignal scoped_event_signal(&event); |
+ EXPECT_FALSE(event.IsSignaled()); |
+ |
+ { |
+ ScopedEventSignal other_scoped_event_signal( |
+ std::move(scoped_event_signal)); |
+ EXPECT_FALSE(event.IsSignaled()); |
+ } |
+ |
+ // |event| is signaled when |other_scoped_event_signal| is destroyed. |
+ EXPECT_TRUE(event.IsSignaled()); |
+ |
+ event.Reset(); |
+ } |
+ |
+ // |event| is not signaled when |scoped_signal_event| is destroyed. |
+ EXPECT_FALSE(event.IsSignaled()); |
+} |
+ |
+TEST(ScopedEventSignalTest, MoveAssignOperator) { |
+ base::WaitableEvent event(base::WaitableEvent::ResetPolicy::MANUAL, |
+ base::WaitableEvent::InitialState::NOT_SIGNALED); |
+ |
+ { |
+ ScopedEventSignal scoped_event_signal_a(&event); |
+ EXPECT_FALSE(event.IsSignaled()); |
+ |
+ { |
+ base::WaitableEvent other_event( |
+ base::WaitableEvent::ResetPolicy::MANUAL, |
+ base::WaitableEvent::InitialState::NOT_SIGNALED); |
+ ScopedEventSignal scoped_event_signal_b(&other_event); |
+ |
+ // Move |scoped_event_signal_b| to |scoped_event_signal_c| because the |
+ // assignment operator cannot be used on a ScopedEventSignal which is |
+ // already associated with an event. |
+ ScopedEventSignal scoped_event_signal_c(std::move(scoped_event_signal_b)); |
+ |
+ scoped_event_signal_b = std::move(scoped_event_signal_a); |
+ EXPECT_FALSE(event.IsSignaled()); |
+ } |
+ |
+ // |event| is signaled when |scoped_event_signal_b| is destroyed. |
+ EXPECT_TRUE(event.IsSignaled()); |
+ |
+ event.Reset(); |
+ } |
+ |
+ // |event| is not signaled when |scoped_signal_event_a| is destroyed. |
+ EXPECT_FALSE(event.IsSignaled()); |
+} |
+ |
+} // namespace syncer |