Extract Extension IME related utility.

chromeos/ime/extension_ime_util_unittest.cc

Index: chromeos/ime/extension_ime_util_unittest.cc
diff --git a/chromeos/ime/extension_ime_util_unittest.cc b/chromeos/ime/extension_ime_util_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..a25c1a131c57aef06d525cfb1396635632be2595
--- /dev/null
+++ b/chromeos/ime/extension_ime_util_unittest.cc
@@ -0,0 +1,25 @@
+// 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 "chromeos/ime/extension_ime_util.h"
+
+#include <string>
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace chromeos {
+
+TEST(ExtensionIMEUtilTest, GetInputMethodIDTest) {
+  EXPECT_EQ("_ext_ime_ABCDE12345",
+            extension_ime_util::GetInputMethodID("ABCDE", "12345"));
+}
+
+TEST(ExtensionIMEUtilTest, IsExtensionIMETest) {
+  EXPECT_TRUE(extension_ime_util::IsExtensionIME(
+      extension_ime_util::GetInputMethodID("abcde", "12345")));
+  EXPECT_FALSE(extension_ime_util::IsExtensionIME(""));
+  EXPECT_FALSE(extension_ime_util::IsExtensionIME("mozc"));
+}
+
+}  // namespace chromeos