Add ScopedClosureRunner.

base/task_unittest.cc

 // 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.
 
+#include "base/bind.h"
 #include "base/memory/ref_counted.h"
 #include "base/task.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
 class CancelInDestructor : public base::RefCounted<CancelInDestructor> {
  public:
   CancelInDestructor() : cancelable_task_(NULL) {}
 
@@ skipping 85 matching lines @@
     EXPECT_EQ(0, run_count);
     done_task->Run();
     EXPECT_FALSE(was_deleted);
     EXPECT_EQ(1, run_count);
   }
   EXPECT_EQ(1, run_count);
   delete done_task;
   EXPECT_TRUE(was_deleted);
 }
 
+void Increment(int* value) {
+  (*value)++;
+}
+
+TEST(TaskTest, TestScopedClosureRunnerExitScope) {
+  int run_count = 0;
+  {
+    base::ScopedClosureRunner runner(base::Bind(Increment, &run_count));
+    EXPECT_EQ(0, run_count);
+  }
+  EXPECT_EQ(1, run_count);
+}
+
+TEST(TaskTest, TestScopedClosureRunnerRelease) {
+  int run_count = 0;
+  base::Closure c;
+  {
+    base::ScopedClosureRunner runner(base::Bind(Increment, &run_count));
+    c = runner.Release();
+    EXPECT_EQ(0, run_count);
+  }
+  EXPECT_EQ(0, run_count);
+  c.Run();
+  EXPECT_EQ(1, run_count);
+}
+
 }  // namespace