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Unified Diff: cc/base/unique_notifier_unittest.cc

Issue 296043005: cc: Add UniqueNotifier to cc/base. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: update Created 6 years, 7 months ago
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Index: cc/base/unique_notifier_unittest.cc
diff --git a/cc/base/unique_notifier_unittest.cc b/cc/base/unique_notifier_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..e5344ca1b40a7594540d7f0f7d8e0c9f40ae96c7
--- /dev/null
+++ b/cc/base/unique_notifier_unittest.cc
@@ -0,0 +1,60 @@
+// Copyright 2014 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 "base/bind.h"
+#include "base/bind_helpers.h"
+#include "base/message_loop/message_loop_proxy.h"
+#include "base/run_loop.h"
+#include "base/single_thread_task_runner.h"
+#include "cc/base/unique_notifier.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace cc {
+namespace {
+
+class UniqueNotifierTest : public testing::Test {
+ public:
+ UniqueNotifierTest() : notification_count_(0) {}
+
+ virtual void SetUp() OVERRIDE {
+ task_runner_ = base::MessageLoopProxy::current();
+ ResetNotificationCount();
+ }
+
+ virtual void TearDown() OVERRIDE { task_runner_ = NULL; }
+
+ void Notify() { ++notification_count_; }
+
+ int NotificationCount() const { return notification_count_; }
+
+ void ResetNotificationCount() { notification_count_ = 0; }
+
+ protected:
+ int notification_count_;
+ scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
reveman 2014/05/21 19:42:45 nit: remove this and just use base::MessageLoopPro
+};
+
+TEST_F(UniqueNotifierTest, Schedule) {
+ UniqueNotifier notifier(
+ task_runner_.get(),
+ base::Bind(&UniqueNotifierTest::Notify, base::Unretained(this)));
+
+ EXPECT_EQ(0, NotificationCount());
+
+ // Basic schedule should result in a run.
+ notifier.Schedule();
+
+ base::RunLoop().RunUntilIdle();
+ EXPECT_EQ(1, NotificationCount());
+
+ // Multiple schedules should only result in one run.
+ for (int i = 0; i < 5; ++i)
+ notifier.Schedule();
+
+ base::RunLoop().RunUntilIdle();
+ EXPECT_EQ(2, NotificationCount());
+}
+
+} // namespace
+} // namespace cc

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