1 files changed, 33 insertions, 0 deletions
diff --git a/chromium/base/auto_reset_unittest.cc b/chromium/base/auto_reset_unittest.cc
new file mode 100644
index 00000000000..d42c6a08b07
--- /dev/null
+++ b/chromium/base/auto_reset_unittest.cc
@@ -0,0 +1,33 @@
+// Copyright 2019 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/auto_reset.h"
+
+#include <utility>
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace base {
+
+TEST(AutoReset, Move) {
+  int value = 10;
+  {
+    AutoReset<int> resetter1{&value, 20};
+    EXPECT_EQ(20, value);
+    {
+      value = 15;
+      AutoReset<int> resetter2 = std::move(resetter1);
+      // Moving to a new resetter does not change the value;
+      EXPECT_EQ(15, value);
+    }
+    // Moved-to `resetter2` is out of scoped, and resets to the original value
+    // that was in moved-from `resetter1`.
+    EXPECT_EQ(10, value);
+    value = 105;
+  }
+  // Moved-from `resetter1` does not reset to anything.
+  EXPECT_EQ(105, value);
+}
+
+}  // namespace base