Add move constructor in ScopedClosureRunner.

base/callback_helpers_unittest.cc

 // Copyright 2013 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/callback_helpers.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 40 matching lines @@
   int run_count_3 = 0;
   {
     base::ScopedClosureRunner runner(base::Bind(&Increment, &run_count_3));
     EXPECT_EQ(0, run_count_3);
     runner.Reset();
     EXPECT_EQ(1, run_count_3);
   }
   EXPECT_EQ(1, run_count_3);
 }
 
+TEST(BindHelpersTest, TestScopedClosureRunnerMoveConstructor) {
+  int run_count = 0;
+  {
+    std::unique_ptr<base::ScopedClosureRunner> runner(
+        new base::ScopedClosureRunner(base::Bind(&Increment, &run_count)));
+    base::ScopedClosureRunner runner2(std::move(*runner));
+    runner.reset();
+    EXPECT_EQ(0, run_count);
+  }
+  EXPECT_EQ(1, run_count);
+}
+
+TEST(BindHelpersTest, TestScopedClosureRunnerMoveAssignment) {
+  int run_count = 0;
+  {
+    base::ScopedClosureRunner runner;
+    {
+      base::ScopedClosureRunner runner2(base::Bind(&Increment, &run_count));
+      runner = std::move(runner2);
+    }
+    EXPECT_EQ(0, run_count);
+  }
+  EXPECT_EQ(1, run_count);
+}
+
+TEST(BindHelpersTest, TestScopedClosureRunnerRunOnReplace) {
+  int run_count1 = 0;
+  int run_count2 = 0;
+  {
+    base::ScopedClosureRunner runner1(base::Bind(&Increment, &run_count1));
+    {
+      base::ScopedClosureRunner runner2(base::Bind(&Increment, &run_count2));
+      runner1 = std::move(runner2);
+      EXPECT_EQ(1, run_count1);
+      EXPECT_EQ(0, run_count2);
+    }
+    EXPECT_EQ(1, run_count1);
+    EXPECT_EQ(0, run_count2);
+  }
+  EXPECT_EQ(1, run_count1);
+  EXPECT_EQ(1, run_count2);
+}
+
 }  // namespace