JezK
Edit File: date-parse.js
// Copyright 2008 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // Test that we can parse dates in all the different formats that we // have to support. // // These formats are all supported by KJS but a lot of them are not // supported by Spidermonkey. function testDateParse(string) { var d = Date.parse(string); assertEquals(946713600000, d, "parse: " + string); }; // For local time we just test that parsing returns non-NaN positive // number of milliseconds to make it timezone independent. function testDateParseLocalTime(string) { var d = Date.parse("parse-local-time:" + string); assertTrue(!isNaN(d), "parse-local-time: " + string + " is NaN."); assertTrue(d > 0, "parse-local-time: " + string + " <= 0."); }; function testDateParseMisc(array) { assertEquals(2, array.length, "array [" + array + "] length != 2."); var string = array[0]; var expected = array[1]; var d = Date.parse(string); assertEquals(expected, d, "parse-misc: " + string); } // // Test all the formats in UT timezone. // var testCasesUT = [ 'Sat, 01-Jan-2000 08:00:00 UT', 'Sat, 01 Jan 2000 08:00:00 UT', 'Jan 01 2000 08:00:00 UT', 'Jan 01 08:00:00 UT 2000', 'Saturday, 01-Jan-00 08:00:00 UT', '01 Jan 00 08:00 +0000', // Ignore weekdays. 'Mon, 01 Jan 2000 08:00:00 UT', 'Tue, 01 Jan 2000 08:00:00 UT', // Ignore prefix that is not part of a date. '[Saturday] Jan 01 08:00:00 UT 2000', 'Ignore all of this stuff because it is annoying 01 Jan 2000 08:00:00 UT', '[Saturday] Jan 01 2000 08:00:00 UT', 'All of this stuff is really annnoying, so it will be ignored Jan 01 2000 08:00:00 UT', // If the three first letters of the month is a // month name we are happy - ignore the rest. 'Sat, 01-Janisamonth-2000 08:00:00 UT', 'Sat, 01 Janisamonth 2000 08:00:00 UT', 'Janisamonth 01 2000 08:00:00 UT', 'Janisamonth 01 08:00:00 UT 2000', 'Saturday, 01-Janisamonth-00 08:00:00 UT', '01 Janisamonth 00 08:00 +0000', // Allow missing space between month and day. 'Janisamonthandtherestisignored01 2000 08:00:00 UT', 'Jan01 2000 08:00:00 UT', // Allow year/month/day format. 'Sat, 2000/01/01 08:00:00 UT', // Allow month/day/year format. 'Sat, 01/01/2000 08:00:00 UT', // Allow month/day year format. 'Sat, 01/01 2000 08:00:00 UT', // Allow comma instead of space after day, month and year. 'Sat, 01,Jan,2000,08:00:00 UT', // Seconds are optional. 'Sat, 01-Jan-2000 08:00 UT', 'Sat, 01 Jan 2000 08:00 UT', 'Jan 01 2000 08:00 UT', 'Jan 01 08:00 UT 2000', 'Saturday, 01-Jan-00 08:00 UT', '01 Jan 00 08:00 +0000', // Allow AM/PM after the time. 'Sat, 01-Jan-2000 08:00 AM UT', 'Sat, 01 Jan 2000 08:00 AM UT', 'Jan 01 2000 08:00 AM UT', 'Jan 01 08:00 AM UT 2000', 'Saturday, 01-Jan-00 08:00 AM UT', '01 Jan 00 08:00 AM +0000', // White space and stuff in parenthesis is // apparently allowed in most places where white // space is allowed. ' Sat, 01-Jan-2000 08:00:00 UT ', ' Sat, 01 Jan 2000 08:00:00 UT ', ' Saturday, 01-Jan-00 08:00:00 UT ', ' 01 Jan 00 08:00 +0000 ', ' ()(Sat, 01-Jan-2000) Sat, 01-Jan-2000 08:00:00 UT ', ' Sat()(Sat, 01-Jan-2000)01 Jan 2000 08:00:00 UT ', ' Sat,(02)01 Jan 2000 08:00:00 UT ', ' Sat, 01(02)Jan 2000 08:00:00 UT ', ' Sat, 01 Jan 2000 (2001)08:00:00 UT ', ' Sat, 01 Jan 2000 (01)08:00:00 UT ', ' Sat, 01 Jan 2000 (01:00:00)08:00:00 UT ', ' Sat, 01 Jan 2000 08:00:00 (CDT)UT ', ' Sat, 01 Jan 2000 08:00:00 UT((((CDT))))', ' Saturday, 01-Jan-00 ()(((asfd)))(Sat, 01-Jan-2000)08:00:00 UT ', ' 01 Jan 00 08:00 ()(((asdf)))(Sat, 01-Jan-2000)+0000 ', ' 01 Jan 00 08:00 +0000()((asfd)(Sat, 01-Jan-2000)) ']; // // Test that we do the right correction for different time zones. // I'll assume that we can handle the same formats as for UT and only // test a few formats for each of the timezones. // // GMT = UT var testCasesGMT = [ 'Sat, 01-Jan-2000 08:00:00 GMT', 'Sat, 01-Jan-2000 08:00:00 GMT+0', 'Sat, 01-Jan-2000 08:00:00 GMT+00', 'Sat, 01-Jan-2000 08:00:00 GMT+000', 'Sat, 01-Jan-2000 08:00:00 GMT+0000', 'Sat, 01-Jan-2000 08:00:00 GMT+00:00', // Interestingly, KJS cannot handle this. 'Sat, 01 Jan 2000 08:00:00 GMT', 'Saturday, 01-Jan-00 08:00:00 GMT', '01 Jan 00 08:00 -0000', '01 Jan 00 08:00 +0000']; // EST = UT minus 5 hours. var testCasesEST = [ 'Sat, 01-Jan-2000 03:00:00 UTC-0500', 'Sat, 01-Jan-2000 03:00:00 UTC-05:00', // Interestingly, KJS cannot handle this. 'Sat, 01-Jan-2000 03:00:00 EST', 'Sat, 01 Jan 2000 03:00:00 EST', 'Saturday, 01-Jan-00 03:00:00 EST', '01 Jan 00 03:00 -0500']; // EDT = UT minus 4 hours. var testCasesEDT = [ 'Sat, 01-Jan-2000 04:00:00 EDT', 'Sat, 01 Jan 2000 04:00:00 EDT', 'Saturday, 01-Jan-00 04:00:00 EDT', '01 Jan 00 04:00 -0400']; // CST = UT minus 6 hours. var testCasesCST = [ 'Sat, 01-Jan-2000 02:00:00 CST', 'Sat, 01 Jan 2000 02:00:00 CST', 'Saturday, 01-Jan-00 02:00:00 CST', '01 Jan 00 02:00 -0600']; // CDT = UT minus 5 hours. var testCasesCDT = [ 'Sat, 01-Jan-2000 03:00:00 CDT', 'Sat, 01 Jan 2000 03:00:00 CDT', 'Saturday, 01-Jan-00 03:00:00 CDT', '01 Jan 00 03:00 -0500']; // MST = UT minus 7 hours. var testCasesMST = [ 'Sat, 01-Jan-2000 01:00:00 MST', 'Sat, 01 Jan 2000 01:00:00 MST', 'Saturday, 01-Jan-00 01:00:00 MST', '01 Jan 00 01:00 -0700']; // MDT = UT minus 6 hours. var testCasesMDT = [ 'Sat, 01-Jan-2000 02:00:00 MDT', 'Sat, 01 Jan 2000 02:00:00 MDT', 'Saturday, 01-Jan-00 02:00:00 MDT', '01 Jan 00 02:00 -0600']; // PST = UT minus 8 hours. var testCasesPST = [ 'Sat, 01-Jan-2000 00:00:00 PST', 'Sat, 01 Jan 2000 00:00:00 PST', 'Saturday, 01-Jan-00 00:00:00 PST', '01 Jan 00 00:00 -0800', // Allow missing time. 'Sat, 01-Jan-2000 PST']; // PDT = UT minus 7 hours. var testCasesPDT = [ 'Sat, 01-Jan-2000 01:00:00 PDT', 'Sat, 01 Jan 2000 01:00:00 PDT', 'Saturday, 01-Jan-00 01:00:00 PDT', '01 Jan 00 01:00 -0700']; // Local time cases. var testCasesLocalTime = [ // Allow timezone ommision. 'Sat, 01-Jan-2000 08:00:00', 'Sat, 01 Jan 2000 08:00:00', 'Jan 01 2000 08:00:00', 'Jan 01 08:00:00 2000', 'Saturday, 01-Jan-00 08:00:00', '01 Jan 00 08:00']; // Misc. test cases that result in a different time value. var testCasesMisc = [ // Special handling for years in the [0, 100) range. ['Sat, 01 Jan 0 08:00:00 UT', 946713600000], // year 2000 ['Sat, 01 Jan 49 08:00:00 UT', 2493100800000], // year 2049 ['Sat, 01 Jan 50 08:00:00 UT', -631123200000], // year 1950 ['Sat, 01 Jan 99 08:00:00 UT', 915177600000], // year 1999 ['Sat, 01 Jan 100 08:00:00 UT', -59011430400000], // year 100 // Test PM after time. ['Sat, 01-Jan-2000 08:00 PM UT', 946756800000], ['Sat, 01 Jan 2000 08:00 PM UT', 946756800000], ['Jan 01 2000 08:00 PM UT', 946756800000], ['Jan 01 08:00 PM UT 2000', 946756800000], ['Saturday, 01-Jan-00 08:00 PM UT', 946756800000], ['01 Jan 00 08:00 PM +0000', 946756800000]]; // Test different version of the ES5 date time string format. var testCasesES5Misc = [ ['2000-01-01T08:00:00.000Z', 946713600000], ['2000-01-01T08:00:00Z', 946713600000], ['2000-01-01T08:00Z', 946713600000], ['2000-01T08:00:00.000Z', 946713600000], ['2000T08:00:00.000Z', 946713600000], ['2000T08:00Z', 946713600000], ['2000-01T00:00:00.000-08:00', 946713600000], ['2000-01T08:00:00.001Z', 946713600001], ['2000-01T08:00:00.099Z', 946713600099], ['2000-01T08:00:00.999Z', 946713600999], ['2000-01T00:00:00.001-08:00', 946713600001]]; var testCasesES5MiscNegative = [ '2000-01-01TZ', '2000-01-01T60Z', '2000-01-01T60:60Z', '2000-01-0108:00Z', '2000-01-01T08Z']; // Run all the tests. testCasesUT.forEach(testDateParse); testCasesGMT.forEach(testDateParse); testCasesEST.forEach(testDateParse); testCasesEDT.forEach(testDateParse); testCasesCST.forEach(testDateParse); testCasesCDT.forEach(testDateParse); testCasesMST.forEach(testDateParse); testCasesMDT.forEach(testDateParse); testCasesPST.forEach(testDateParse); testCasesPDT.forEach(testDateParse); testCasesLocalTime.forEach(testDateParseLocalTime); testCasesMisc.forEach(testDateParseMisc); // ES5 date time string format compliance. testCasesES5Misc.forEach(testDateParseMisc); testCasesES5MiscNegative.forEach(function (s) { assertTrue(isNaN(Date.parse(s)), s + " is not NaN."); }); // Test that we can parse our own date format. // (Dates from 1970 to ~2070 with 150h steps.) for (var i = 0; i < 24 * 365 * 100; i += 150) { var ms = i * (3600 * 1000); var s = (new Date(ms)).toString(); assertEquals(ms, Date.parse(s), "parse own: " + s); } // Negative tests. var testCasesNegative = [ 'May 25 2008 1:30 (PM)) UTC', // Bad unmatched ')' after number. 'May 25 2008 1:30( )AM (PM)', // 'May 25 2008 AAA (GMT)']; // Unknown word after number. testCasesNegative.forEach(function (s) { assertTrue(isNaN(Date.parse(s)), s + " is not NaN."); });