Implementing chrome.i18n.getMessage call, that loads message from the extensi...

chrome/renderer/extensions/extension_api_client_unittest.cc

 // Copyright (c) 2009 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/file_util.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/renderer/extensions/extension_process_bindings.h"
@@ skipping 587 matching lines @@
   ExpectJsFail("chrome.i18n.getAcceptLanguages()",
                "Uncaught Error: Parameter 0 is required.");
 
   ExpectJsFail("chrome.i18n.getAcceptLanguages('abc')",
                "Uncaught Error: Invalid value for argument 0. "
                "Expected 'function' but got 'string'.");
 
   ExpectJsPass("chrome.i18n.getAcceptLanguages(function(){})",
                "i18n.getAcceptLanguages", "null");
 }
+
+TEST_F(ExtensionAPIClientTest, GetL10nMessage) {
+  ExpectJsFail("chrome.i18n.getMessage()",
+               "Uncaught Error: Parameter 0 is required.");
+
+  ExpectJsFail("chrome.i18n.getMessage(1)",
+               "Uncaught Error: Invalid value for argument 0. "
+               "Expected 'string' but got 'integer'.");
+
+  ExpectJsFail("chrome.i18n.getMessage('name', [])",
+               "Uncaught Error: Invalid value for argument 1. Value does not "
+               "match any valid type choices.");
+
+  ExpectJsFail("chrome.i18n.getMessage('name', ['p1', 'p2', 'p3', 'p4', 'p5', "
+               "'p6', 'p7', 'p8', 'p9', 'p10'])",
+               "Uncaught Error: Invalid value for argument 1. Value does not "
+               "match any valid type choices.");
+}