15.9.5.5.js - mozsearch

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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:          15.9.5.5.js

   ECMA Section: 15.9.5.5 Date.prototype.toLocaleString()

   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 toLocaleString 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.

   Note: This test isn't supposed to work with a non-English locale per spec.

   Author:  pschwartau@netscape.com

   Date:      14 november 2000

*/

var SECTION = "15.9.5.5";

var TITLE   = "Date.prototype.toLocaleString()";

var status = '';

var actual = '';

var expect = '';

writeHeaderToLog( SECTION + " "+ TITLE);

var now = new Date();

// first, some generic tests -

status = "typeof (now.toLocaleString())";

actual =   typeof (now.toLocaleString());

expect = "string";

addTestCase();

status = "Date.prototype.toLocaleString.length";

actual =  Date.prototype.toLocaleString.length;

expect =  0;

addTestCase();

// Date.parse is accurate to the second;  valueOf() to the millisecond  -

status = "Math.abs(Date.parse(now.toLocaleString('en-US')) - now.valueOf()) < 1000";

actual =   Math.abs(Date.parse(now.toLocaleString('en-US')) -  now.valueOf()) < 1000;

expect = true;

addTestCase();

// 1970

addDateTestCase(0);

addDateTestCase(TZ_ADJUST);

// 1900

addDateTestCase(UTC_01_JAN_1900);

addDateTestCase(UTC_01_JAN_1900 -TZ_ADJUST);

// 2000

addDateTestCase(UTC_01_JAN_2000);

addDateTestCase(UTC_01_JAN_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_01_JAN_2005);

addDateTestCase(UTC_01_JAN_2005 - 1000);

addDateTestCase(UTC_01_JAN_2005-TZ_ADJUST);

//-----------------------------------------------------------------------------------------------------

test();

//-----------------------------------------------------------------------------------------------------

function addTestCase()

  AddTestCase(

    status,

    expect,

    actual);

function addDateTestCase(date_given_in_milliseconds)

  var givenDate = new Date(date_given_in_milliseconds);

  status = 'Date.parse('   +   givenDate   +   ').toLocaleString("en-US"))';

  actual =  Date.parse(givenDate.toLocaleString("en-US"));

  expect = date_given_in_milliseconds;

  addTestCase();