ChakraCore/test/Date/toStringAndToUTCStringYearPadding.js

//-------------------------------------------------------------------------------------------------------
// Copyright (C) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.
//-------------------------------------------------------------------------------------------------------

// For dates whose years are less than 1000, Date.toString() and Date.toUTCString() should pad the years
// to 4 digits.
// See https://github.com/Microsoft/ChakraCore/pull/4067

/// <reference path="../UnitTestFramework/UnitTestFramework.js" />
if (this.WScript && this.WScript.LoadScriptFile) { // Check for running in ch
    this.WScript.LoadScriptFile("..\\UnitTestFramework\\UnitTestFramework.js");
}

function testDate(DateObj, toStringExpected, toUTCStringExpected) {
    assert.areEqual(toStringExpected, DateObj.toString(), "Date.toString() returns invalid value.");
    assert.areEqual(toUTCStringExpected, DateObj.toUTCString(), "Date.toUTCString() returns invalid value.");
}

let tests = [{
    name: "test if Date.toString() and Date.toUTCString() pad positive years to four digits",
    body: function () {
        testDate(new Date("0001-10-13T05:16:33Z"), "Fri Oct 12 0001 22:16:33 GMT-0700 (Pacific Daylight Time)",
            "Sat, 13 Oct 0001 05:16:33 GMT");
        testDate(new Date("0011-10-13T05:16:33Z"), "Wed Oct 12 0011 22:16:33 GMT-0700 (Pacific Daylight Time)",
            "Thu, 13 Oct 0011 05:16:33 GMT");
        testDate(new Date("0111-10-13T05:16:33Z"), "Mon Oct 12 0111 22:16:33 GMT-0700 (Pacific Daylight Time)",
            "Tue, 13 Oct 0111 05:16:33 GMT");
        testDate(new Date("1111-10-13T05:16:33Z"), "Thu Oct 12 1111 22:16:33 GMT-0700 (Pacific Daylight Time)",
            "Fri, 13 Oct 1111 05:16:33 GMT");
    }
},
{
    name: "test if Date.toString() and Date.toUTCString() pad negative years to four digits",
    body: function () {
        testDate(new Date("-000001-10-13T05:16:33Z"), "Tue Oct 12 -0001 22:16:33 GMT-0700 (Pacific Daylight Time)",
            "Wed, 13 Oct -0001 05:16:33 GMT");
        testDate(new Date("-000011-10-13T05:16:33Z"), "Thu Oct 12 -0011 22:16:33 GMT-0700 (Pacific Daylight Time)",
            "Fri, 13 Oct -0011 05:16:33 GMT");
        testDate(new Date("-000111-10-13T05:16:33Z"), "Sat Oct 12 -0111 22:16:33 GMT-0700 (Pacific Daylight Time)",
            "Sun, 13 Oct -0111 05:16:33 GMT");
        testDate(new Date("-001111-10-13T05:16:33Z"), "Wed Oct 12 -1111 22:16:33 GMT-0700 (Pacific Daylight Time)",
            "Thu, 13 Oct -1111 05:16:33 GMT");
    }
}];

testRunner.run(tests, { verbose: WScript.Arguments[0] != "summary" });