Unit tests for utility.js

chrome/test/data/webui/test_api.js

Index: chrome/test/data/webui/test_api.js
diff --git a/chrome/test/data/webui/test_api.js b/chrome/test/data/webui/test_api.js
index 6bf21775e2e49e6fedada2cc0cfb97356b50ecda..9a177c560d19016f116cfc69ee1ffde9abed28de 100644
--- a/chrome/test/data/webui/test_api.js
+++ b/chrome/test/data/webui/test_api.js
@@ -1667,6 +1667,46 @@ var testing = {};
     return new MatchJSON(expectedValue);
   }
 
+  /**
+   * Mock4JS matcher object that matches the actual agrument and the expected

[rgustafson, 2013/08/29 00:07:14]

argument

[vadimt, 2013/08/29 00:35:32]

Done.

+   * value iff the string representation of the actual argument is equal to the
+   * expected value.
+   * @param {string} expectedValue Expected value.
+   * @constructor
+   */
+  function MatchToString(expectedValue) {
+    this.expectedValue_ = expectedValue;
+  }
+
+  MatchToString.prototype = {
+    /**
+     * Checks that the string representation of the actual argument, and the
+     * expected value are same.
+     * @param {Object} actualArgument The argument to match.
+     * @return {boolean} Result of the comparison.
+     */
+    argumentMatches: function(actualArgument) {
+      return this.expectedValue_ === actualArgument.toString();
+    },
+
+    /**
+     * Describes the matcher.
+     * @return {string} Description of this Mock4JS matcher.
+     */
+    describe: function() {
+      return 'eqToString("' + this.expectedValue_ + '")';
+    },
+  };
+
+  /**
+   * Builds a MatchToString agrument matcher for a given expected value.
+   * @param {Object} expectedValue Expected value.
+   * @return {MatchToString} Resulting Mock4JS matcher.
+   */
+  function eqToString(expectedValue) {
+    return new MatchToString(expectedValue);
+  }
+
   // Exports.
   testing.Test = Test;
   exports.testDone = testDone;
@@ -1684,6 +1724,7 @@ var testing = {};
   exports.callFunctionWithSavedArgs = callFunctionWithSavedArgs;
   exports.callGlobalWithSavedArgs = callGlobalWithSavedArgs;
   exports.eqJSON = eqJSON;
+  exports.eqToString = eqToString;
   exports.expectTrue = createExpect(assertTrue);
   exports.expectFalse = createExpect(assertFalse);
   exports.expectGE = createExpect(assertGE);