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diff --git a/js/src/tests/ecma_3/Date/15.9.5.3.js b/js/src/tests/ecma_3/Date/15.9.5.3.js
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+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/**
+   File Name:          15.9.5.3.js
+   ECMA Section: 15.9.5.3 Date.prototype.toDateString()
+   Description:
+   This function returns a string value. The contents of the string are
+   implementation dependent, but are intended to represent the "date"
+   portion of the Date in the current time zone in a convenient,
+   human-readable form.   We can't test the content of the string, 
+   but can verify that the string is parsable by Date.parse
+
+   The toDateString function is not generic; it generates a runtime error
+   if its 'this' value is not a Date object. Therefore it cannot be transferred
+   to other kinds of objects for use as a method.
+
+   Author:  pschwartau@netscape.com                            
+   Date:      14 november 2000  (adapted from ecma/Date/15.9.5.2.js)
+*/
+
+var SECTION = "15.9.5.3";
+var VERSION = "ECMA_3"; 
+var TITLE   = "Date.prototype.toDateString()"; 
+  
+var status = '';
+var actual = ''; 
+var expect = '';
+
+
+startTest();
+writeHeaderToLog( SECTION + " "+ TITLE);
+
+// first, some generic tests -
+
+status = "typeof (now.toDateString())"; 
+actual =   typeof (now.toDateString());
+expect = "string";
+addTestCase();
+
+status = "Date.prototype.toDateString.length";  
+actual =  Date.prototype.toDateString.length;
+expect =  0;  
+addTestCase();
+
+/*
+ * Date.parse is accurate to the second; valueOf() to the millisecond.
+ * Here we expect them to coincide, as we expect a time of exactly
+ * midnight -
+ */
+status = "(Date.parse(now.toDateString()) - (midnight(now)).valueOf()) == 0";  
+actual =   (Date.parse(now.toDateString()) - (midnight(now)).valueOf()) == 0;
+expect = true;
+addTestCase();
+
+
+
+// 1970
+addDateTestCase(0);
+addDateTestCase(TZ_ADJUST);  
+
+  
+// 1900
+addDateTestCase(TIME_1900);
+addDateTestCase(TIME_1900 - TZ_ADJUST);
+
+  
+// 2000
+addDateTestCase(TIME_2000);
+addDateTestCase(TIME_2000 - TZ_ADJUST);
+
+   
+// 29 Feb 2000
+addDateTestCase(UTC_29_FEB_2000);
+addDateTestCase(UTC_29_FEB_2000 - 1000);   
+addDateTestCase(UTC_29_FEB_2000 - TZ_ADJUST);
+
+
+// 2005
+addDateTestCase(UTC_1_JAN_2005);
+addDateTestCase(UTC_1_JAN_2005 - 1000);
+addDateTestCase(UTC_1_JAN_2005 - TZ_ADJUST);
+  
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+
+function addTestCase()
+{
+  new TestCase(
+    SECTION,
+    status,
+    expect,
+    actual);
+}
+
+function addDateTestCase(date_given_in_milliseconds)
+{
+  var givenDate = new Date(date_given_in_milliseconds);
+
+  status = 'Date.parse('   +   givenDate   +   ').toDateString())';  
+  actual =  Date.parse(givenDate.toDateString());
+  expect = Date.parse(midnight(givenDate));
+  addTestCase();
+}
+
+
+function midnight(givenDate)
+{
+  // midnight on the given date -
+  return new Date(givenDate.getFullYear(), givenDate.getMonth(), givenDate.getDate());
+}
+