Add support for DateTimeFormat.formatToParts

test/intl/assert.js

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 // Some methods are taken from v8/test/mjsunit/mjsunit.js
 
+
+function classOf(object) {

[Dan Ehrenberg, 2016/09/06 19:39:29]

Where do you use this?

[jungshik at Google, 2016/09/06 21:35:14]

It's used by deepEquals() which is in turn used by assertEquals().

+   // Argument must not be null or undefined.
+   var string = Object.prototype.toString.call(object);
+   // String has format [object <ClassName>].
+   return string.substring(8, string.length - 1);
+}
+
 /**
  * Compares two objects for key/value equality.
  * Returns true if they are equal, false otherwise.
  */
 function deepObjectEquals(a, b) {
   var aProps = Object.keys(a);
   aProps.sort();
   var bProps = Object.keys(b);
   bProps.sort();
   if (!deepEquals(aProps, bProps)) {
@@ skipping 134 matching lines @@
     var actualTypeName = null;
     var actualConstructor = Object.prototypeOf(obj).constructor;
     if (typeof actualConstructor == "function") {
       actualTypeName = actualConstructor.name || String(actualConstructor);
     }
     throw new Error('Object <' + obj + '> is not an instance of <' +
          (type.name || type) + '>' +
          (actualTypeName ? ' but of < ' + actualTypeName + '>' : ''));
   }
 }