describe('Date', function () { 'use strict'; var supportsDescriptors = Object.defineProperty && (function () { try { var obj = {}; Object.defineProperty(obj, 'x', { enumerable: false, value: obj }); // eslint-disable-next-line no-unreachable-loop for (var _ in obj) { return false; } // jscs:ignore disallowUnusedVariables return obj.x === obj; } catch (e) { /* this is ES3 */ return false; } }()); var ifSupportsDescriptorsIt = supportsDescriptors ? it : xit; var has = Object.prototype.hasOwnProperty; var negativeDate; beforeEach(function () { var negativeCanned = [ { getTime: -3509827329600292, getUTCDay: 4, getDay: 4, dim: 31 }, { getTime: -3509824651200292, getUTCDay: 0, getDay: 0, dim: 29 }, { getTime: -3509822145600292, getUTCDay: 1, getDay: 1, dim: 31 }, { getTime: -3509819467200292, getUTCDay: 4, getDay: 4, dim: 30 }, { getTime: -3509816875200292, getUTCDay: 6, getDay: 6, dim: 31 }, { getTime: -3509814196800292, getUTCDay: 2, getDay: 2, dim: 30 }, { getTime: -3509811604800292, getUTCDay: 4, getDay: 4, dim: 31 }, { getTime: -3509808926400292, getUTCDay: 0, getDay: 0, dim: 31 }, { getTime: -3509806248000292, getUTCDay: 3, getDay: 3, dim: 30 }, { getTime: -3509803656000292, getUTCDay: 5, getDay: 5, dim: 31 }, { getTime: -3509800977600292, getUTCDay: 1, getDay: 1, dim: 30 }, { getTime: -3509798385600292, getUTCDay: 3, getDay: 3, dim: 31 } ]; negativeDate = negativeCanned.map(function (item) { var dateFirst = new Date(item.getTime); var dateLast = new Date(item.getTime + ((item.dim - 1) * 86400000)); return { dates: [dateFirst, dateLast], days: [1, item.dim], getUTCDay: [item.getUTCDay, (item.getUTCDay + item.dim - 1) % 7], getDay: [item.getDay, (item.getDay + item.dim - 1) % 7] }; }); }); describe('.now()', function () { it('should be the current time', function () { var before = (new Date()).getTime(); var middle = Date.now(); var after = (new Date()).getTime(); expect(middle).not.toBeLessThan(before); expect(middle).not.toBeGreaterThan(after); }); }); describe('constructor', function () { it('works with standard formats', function () { // Chrome 19 Opera 12 Firefox 11 IE 9 Safari 5.1.1 expect(+new Date('2012-12-31T23:59:59.000Z')).toBe(1356998399000); // 1356998399000 1356998399000 1356998399000 1356998399000 1356998399000 expect(+new Date('2012-04-04T05:02:02.170Z')).toBe(1333515722170); // 1333515722170 1333515722170 1333515722170 1333515722170 1333515722170 expect(+new Date('2012-04-04T05:02:02.170999Z')).toBe(1333515722170); // 1333515722170 1333515722170 1333515722170 1333515722170 1333515722170 expect(+new Date('2012-04-04T05:02:02.17Z')).toBe(1333515722170); // 1333515722170 1333515722170 1333515722170 1333515722170 1333515722170 expect(+new Date('2012-04-04T05:02:02.1Z')).toBe(1333515722100); // 1333515722170 1333515722170 1333515722170 1333515722170 1333515722170 expect(+new Date('2012-04-04T24:00:00.000Z')).toBe(1333584000000); // NaN 1333584000000 1333584000000 1333584000000 1333584000000 expect(+new Date('2012-02-29T12:00:00.000Z')).toBe(1330516800000); // 1330516800000 1330516800000 1330516800000 1330516800000 1330516800000 expect(+new Date('2011-03-01T12:00:00.000Z')).toBe(1298980800000); // 1298980800000 1298980800000 1298980800000 1298980800000 1298980800000 // https://github.com/es-shims/es5-shim/issues/80 Safari bug with leap day expect(new Date('2034-03-01T00:00:00.000Z') - new Date('2034-02-27T23:59:59.999Z')).toBe(86400001); // 86400001 86400001 86400001 86400001 1 }); ifSupportsDescriptorsIt('is not enumerable', function () { expect(Object.keys(new Date())).not.toContain('constructor'); }); it('works as a function', function () { var zeroDate = Date(0); expect(zeroDate).toBe(String(zeroDate)); var value = Date(1441705534578); expect(value).toBe(String(value)); }); it('fixes this Safari 8/9 bug', function () { var offset = new Date(1970).getTimezoneOffset() * 60e3; var timestamp = 2147483647; // Math.pow(2, 31) - 1 var date = new Date(1970, 0, 1, 0, 0, 0, timestamp); var expectedTimestamp = timestamp + offset; expect(date.getTime()).toBe(expectedTimestamp); var brokenTimestamp = 2147483648; // Math.pow(2, 31) var brokenDate = new Date(1970, 0, 1, 0, 0, 0, brokenTimestamp); var expectedBrokenTimestamp = brokenTimestamp + offset; expect(brokenDate.getTime()).toBe(expectedBrokenTimestamp); // NaN in Safari 8/9 var veryBrokenTS = 1435734000000; var veryBrokenDate = new Date(1970, 0, 1, 0, 0, 0, veryBrokenTS); var largeDate = new Date('Wed Jul 01 2015 07:00:00 GMT-0700 (PDT)'); var expectedVeryBrokenTS = veryBrokenTS + (largeDate.getTimezoneOffset() * 60e3); expect(veryBrokenDate.getTime()).toBe(expectedVeryBrokenTS); // NaN in Safari 8/9 }); it('works with a Date object', function () { var date = new Date(1456297712984); var copiedDate = new Date(date); expect(date).not.toBe(copiedDate); expect(copiedDate.getTime()).toBe(date.getTime()); expect(+copiedDate).toBe(+date); expect(String(copiedDate)).toBe(String(date)); }); }); describe('.parse()', function () { // TODO: Write the rest of the test. ifSupportsDescriptorsIt('is not enumerable', function () { expect(Object.getOwnPropertyDescriptor(Date, 'parse').enumerable).toBe(false); }); it('should be an invalid date', function () { // Chrome 19 Opera 12 Firefox 11 IE 9 Safari 5.1.1 expect(Date.parse('2012-11-31T23:59:59.000Z')).toBeFalsy(); // 1354406399000 NaN NaN 1354406399000 NaN expect(Date.parse('2012-12-31T23:59:60.000Z')).toBeFalsy(); // NaN NaN NaN NaN 1356998400000 expect(Date.parse('2012-04-04T24:00:00.500Z')).toBeFalsy(); // NaN NaN 1333584000500 1333584000500 NaN expect(Date.parse('2012-12-31T10:08:60.000Z')).toBeFalsy(); // NaN NaN NaN NaN 1356948540000 expect(Date.parse('2012-13-01T12:00:00.000Z')).toBeFalsy(); // NaN NaN NaN NaN NaN expect(Date.parse('2012-12-32T12:00:00.000Z')).toBeFalsy(); // NaN NaN NaN NaN NaN expect(Date.parse('2012-12-31T25:00:00.000Z')).toBeFalsy(); // NaN NaN NaN NaN NaN expect(Date.parse('2012-12-31T24:01:00.000Z')).toBeFalsy(); // NaN NaN NaN 1356998460000 NaN expect(Date.parse('2012-12-31T12:60:00.000Z')).toBeFalsy(); // NaN NaN NaN NaN NaN expect(Date.parse('2012-12-31T12:00:60.000Z')).toBeFalsy(); // NaN NaN NaN NaN 1356955260000 expect(Date.parse('2012-00-31T23:59:59.000Z')).toBeFalsy(); // NaN NaN NaN NaN NaN expect(Date.parse('2012-12-00T23:59:59.000Z')).toBeFalsy(); // NaN NaN NaN NaN NaN expect(Date.parse('2011-02-29T12:00:00.000Z')).toBeFalsy(); // 1298980800000 NaN NaN 1298980800000 NaN }); it('should work', function () { var dates = { // Chrome 19 Opera 12 Firefox 11 IE 9 Safari 5.1.1 Safari 8 '2012-12-31T23:59:59.000Z': 1356998399000, // 1356998399000 1356998399000 1356998399000 1356998399000 1356998399000 1356998399000 '2012-04-04T05:02:02.170Z': 1333515722170, // 1333515722170 1333515722170 1333515722170 1333515722170 1333515722170 1333515722170 '2012-04-04T05:02:02.170999Z': 1333515722170, // 1333515722170 1333515722170 1333515722170 1333515722170 1333515722170 1333515722170.999 '2012-04-04T05:02:02.17Z': 1333515722170, // 1333515722170 1333515722170 1333515722170 1333515722170 1333515722170 1333515722170 '2012-04-04T05:02:02.1Z': 1333515722100, // 1333515722170 1333515722170 1333515722170 1333515722170 1333515722170 1333515722170 '2012-04-04T24:00:00.000Z': 1333584000000, // NaN 1333584000000 1333584000000 1333584000000 1333584000000 1333584000000 '2012-02-29T12:00:00.000Z': 1330516800000, // 1330516800000 1330516800000 1330516800000 1330516800000 1330516800000 1330516800000 '2011-03-01T12:00:00.000Z': 1298980800000 // 1298980800000 1298980800000 1298980800000 1298980800000 1298980800000 1298980800000 }; for (var str in dates) { if (has.call(dates, str)) { expect(Math.floor(Date.parse(str))).toBe(dates[str]); } } // https://github.com/es-shims/es5-shim/issues/80 Safari bug with leap day expect(Date.parse('2034-03-01T00:00:00.000Z') - Date.parse('2034-02-27T23:59:59.999Z')).toBe(86400001); // 86400001 86400001 86400001 86400001 1 }); it('fixes a Safari 8/9 bug with parsing in UTC instead of local time', function () { var offset = new Date('2015-07-01').getTimezoneOffset() * 60e3; expect(Date.parse('2015-07-01T00:00:00')).toBe(1435708800000 + offset); // Safari 8/9 give NaN }); it('should support extended years', function () { // Chrome 19 Opera 12 Firefox 11 IE 9 Safari 5.1.1 expect(Date.parse('0000-01-01T00:00:00.000Z')).toBe(-621672192e5); // -621672192e5 -621672192e5 -621672192e5 -621672192e5 -621672192e5 expect(Date.parse('0001-01-01T00:00:00Z')).toBe(-621355968e5); // -621355968e5 -621355968e5 -621355968e5 8.64e15 -621355968e5 expect(Date.parse('+275760-09-13T00:00:00.000Z')).toBe(8.64e15); // 8.64e15 NaN 8.64e15 8.64e15 8.64e15 expect(Date.parse('-271821-04-20T00:00:00.000Z')).toBe(-8.64e15); // -8.64e15 NaN -8.64e15 -8.64e15 -8.6400000864e15 expect(Date.parse('+275760-09-13T00:00:00.001Z')).toBeFalsy(); // NaN NaN NaN 8.64e15 + 1 8.64e15 + 1 expect(Date.parse('-271821-04-19T23:59:59.999Z')).toBeFalsy(); // NaN NaN NaN -8.64e15 - 1 -8.6400000864e15 - 1 expect(Date.parse('+033658-09-27T01:46:40.000Z')).toBe(1e15); // 1e15 NaN 1e15 1e15 9999999136e5 expect(Date.parse('-000001-01-01T00:00:00Z')).toBe(-621987552e5); // -621987552e5 NaN -621987552e5 -621987552e5 -621987552e5 expect(Date.parse('+002009-12-15T00:00:00Z')).toBe(12608352e5); // 12608352e5 NaN 12608352e5 12608352e5 12608352e5 }); it('works with timezone offsets', function () { // Chrome 19 Opera 12 Firefox 11 IE 9 Safari 5.1.1 expect(Date.parse('2012-01-29T12:00:00.000+01:00')).toBe(132783480e4); // 132783480e4 132783480e4 132783480e4 132783480e4 132783480e4 expect(Date.parse('2012-01-29T12:00:00.000-00:00')).toBe(132783840e4); // 132783840e4 132783840e4 132783840e4 132783840e4 132783840e4 expect(Date.parse('2012-01-29T12:00:00.000+00:00')).toBe(132783840e4); // 132783840e4 132783840e4 132783840e4 132783840e4 132783840e4 expect(Date.parse('2012-01-29T12:00:00.000+23:59')).toBe(132775206e4); // 132775206e4 132775206e4 132775206e4 132775206e4 132775206e4 expect(Date.parse('2012-01-29T12:00:00.000-23:59')).toBe(132792474e4); // 132792474e4 132792474e4 132792474e4 132792474e4 132792474e4 expect(Date.parse('2012-01-29T12:00:00.000+24:00')).toBeFalsy(); // NaN 1327752e6 NaN 1327752000000 1327752000000 expect(Date.parse('2012-01-29T12:00:00.000+24:01')).toBeFalsy(); // NaN NaN NaN 1327751940000 1327751940000 expect(Date.parse('2012-01-29T12:00:00.000+24:59')).toBeFalsy(); // NaN NaN NaN 1327748460000 1327748460000 expect(Date.parse('2012-01-29T12:00:00.000+25:00')).toBeFalsy(); // NaN NaN NaN NaN NaN expect(Date.parse('2012-01-29T12:00:00.000+00:60')).toBeFalsy(); // NaN NaN NaN NaN NaN expect(Date.parse('-271821-04-20T00:00:00.000+00:01')).toBeFalsy(); // NaN NaN NaN -864000000006e4 -864000008646e4 expect(Date.parse('-271821-04-20T00:01:00.000+00:01')).toBe(-8.64e15); // -8.64e15 NaN -8.64e15 -8.64e15 -864000008640e4 // When time zone is missed, local offset should be used (ES 5.1 bug) // see https://bugs.ecmascript.org/show_bug.cgi?id=112 var tzOffset = Number(new Date(1970, 0)); // same as (new Date().getTimezoneOffset() * 60000) expect(Date.parse('1970-01-01T00:00:00')).toBe(tzOffset); // tzOffset 0 0 0 NaN }); it('should be able to coerce to a number', function () { var actual = Number(new Date(1970, 0)); var expected = parseInt(actual, 10); expect(actual).toBeDefined(); expect(actual).toBe(expected); expect(isNaN(actual)).toBeFalsy(); }); }); describe('#toString()', function () { var actual; beforeEach(function () { actual = (new Date(1970, 0)).toString(); }); it('should show correct date info for ' + actual, function () { expect(actual).toMatch(/1970/); expect(actual).toMatch(/jan/i); expect(actual).toMatch(/thu/i); expect(actual).toMatch(/00:00:00/); }); }); describe('#valueOf()', function () { // Note that new Date(1970, 0).valueOf() is 0 in UTC timezone. // Check check that it's a number (and an int), not that it's "truthy". var actual; beforeEach(function () { actual = (new Date(1970, 0)).valueOf(); }); it('should give a numeric value', function () { expect(typeof actual).toBe('number'); }); it('should not be NaN', function () { expect(isNaN(actual)).toBe(false); }); it('should give an int value', function () { expect(actual).toBe(Math.floor(actual)); }); }); describe('#getUTCDate()', function () { it('should return the right value for negative dates', function () { // Opera 10.6/11.61/Opera 12 bug negativeDate.forEach(function (item) { item.dates.forEach(function (date, index) { expect(date.getUTCDate()).toBe(item.days[index], date); }); }); }); }); describe('#getUTCDay()', function () { it('should return the right value for negative dates', function () { negativeDate.forEach(function (item) { item.dates.forEach(function (date, index) { expect(date.getUTCDay()).toBe(item.getUTCDay[index]); }); }); }); }); describe('#getUTCFullYear()', function () { it('should return the right value for negative dates', function () { // Opera 10.6/11.61/Opera 12 bug negativeDate.forEach(function (item) { item.dates.forEach(function (date) { expect(date.getUTCFullYear()).toBe(-109252); }); }); }); }); describe('#getUTCMonth()', function () { it('should return the right value for negative dates', function () { // Opera 10.6/11.61/Opera 12 bug negativeDate.forEach(function (item, index) { item.dates.forEach(function (date) { expect(date.getUTCMonth()).toBe(index); }); }); }); it('should return correct values', function () { expect(new Date(8.64e15).getUTCMonth()).toBe(8); expect(new Date(0).getUTCMonth()).toBe(0); }); }); describe('#getUTCHours()', function () { it('should return the right value for negative dates', function () { negativeDate.forEach(function (item) { item.dates.forEach(function (date) { expect(date.getUTCHours()).toBe(11); }); }); }); }); describe('#getUTCMinutes()', function () { it('should return the right value for negative dates', function () { negativeDate.forEach(function (item) { item.dates.forEach(function (date) { expect(date.getUTCMinutes()).toBe(59); }); }); }); }); describe('#getUTCSeconds()', function () { it('should return the right value for negative dates', function () { negativeDate.forEach(function (item) { item.dates.forEach(function (date) { expect(date.getUTCSeconds()).toBe(59); }); }); }); }); describe('#getUTCMilliseconds()', function () { it('should return the right value for negative dates', function () { // Opera 10.6/11.61/Opera 12 bug negativeDate.forEach(function (item) { item.dates.forEach(function (date) { expect(date.getUTCMilliseconds()).toBe(708); }); }); }); }); describe('#getDate()', function () { it('should return the right value for negative dates', function () { negativeDate.forEach(function (item) { item.dates.forEach(function (date, index) { expect(date.getDate()).toBe(item.days[index]); }); }); }); }); describe('#getDay()', function () { it('should return the right value for negative dates', function () { negativeDate.forEach(function (item) { item.dates.forEach(function (date, index) { expect(date.getDay()).toBe(item.getDay[index]); }); }); }); }); describe('#getFullYear()', function () { it('should return the right value for negative dates', function () { // Opera 10.6/11.61/Opera 12 bug negativeDate.forEach(function (item) { item.dates.forEach(function (date) { expect(date.getFullYear()).toBe(-109252); }); }); }); }); describe('#getMonth()', function () { it('should return the right value for negative dates', function () { // Opera 10.6/11.61/Opera 12 bug negativeDate.forEach(function (item, index) { item.dates.forEach(function (date) { expect(date.getMonth()).toBe(index); }); }); }); }); describe('#getHours()', function () { it('should return the right value for negative dates', function () { negativeDate.forEach(function (item) { item.dates.forEach(function (date) { expect(date.getHours() + Math.floor(date.getTimezoneOffset() / 60)).toBe(11); }); }); }); }); describe('#getMinutes()', function () { it('should return the right value for negative dates', function () { negativeDate.forEach(function (item) { item.dates.forEach(function (date) { var off = date.getTimezoneOffset(); var offHours = Math.floor(off / 60); var offMins = off - (offHours * 60); expect(date.getMinutes() + offMins).toBe(59); }); }); }); }); describe('#getSeconds()', function () { it('should return the right value for negative dates', function () { negativeDate.forEach(function (item) { item.dates.forEach(function (date, i) { // the regex here is because in UTC, it's 59, but with TZData applied, // which can have fractional hour offsets, it'll be 1. expect(i + ':' + date.getSeconds()).toMatch(new RegExp(i + ':(?:' + 59 + '|' + 1 + ')')); }); }); }); }); describe('#getMilliseconds()', function () { it('should return the right value for negative dates', function () { // Opera 10.6/11.61/Opera 12 bug negativeDate.forEach(function (item) { item.dates.forEach(function (date) { expect(date.getMilliseconds()).toBe(708); }); }); }); }); describe('#toISOString()', function () { // TODO: write the rest of the test. it('should support extended years', function () { expect(new Date(-62198755200000).toISOString().indexOf('-000001-01-01')).toBe(0); expect(new Date(8.64e15).toISOString().indexOf('+275760-09-13')).toBe(0); }); it('should return correct dates', function () { expect(new Date(-1).toISOString()).toBe('1969-12-31T23:59:59.999Z'); // Safari 5.1.5 "1969-12-31T23:59:59.-01Z" negativeDate.forEach(function (item, index) { var m = index + 1; item.dates.forEach(function (date, idx) { var d = item.days[idx]; expect(date.toISOString()).toBe('-109252-' + (m < 10 ? '0' + m : m) + '-' + (d < 10 ? '0' + d : d) + 'T11:59:59.708Z'); // Opera 11.61/Opera 12 bug with Date#getUTCMonth }); }); }); }); describe('#toUTCString()', function () { it('should return correct dates', function () { expect(new Date(-1509842289600292).toUTCString()).toBe('Mon, 01 Jan -45875 11:59:59 GMT'); }); }); describe('#toDateString()', function () { it('should return correct dates', function () { expect(new Date(-1509842289600292).toDateString()).toBe('Mon Jan 01 -45875'); }); }); describe('#toString()', function () { it('should return correct dates', function () { var actual = new Date(1449662400000).toString(); var re = /^Wed Dec 09 2015 \d\d:\d\d:\d\d GMT[-+]\d\d\d\d(?: |$)/; expect(re.test(actual)).toBe(true, actual); }); }); describe('#toJSON()', function () { // Opera 11.6x/12 bug it('should call toISOString', function () { var date = new Date(0); date.toISOString = function () { return 1; }; expect(date.toJSON()).toBe(1); }); it('should return null for not finite dates', function () { var date = new Date(NaN), json; try { json = date.toJSON(); } catch (e) { /* invalid json */ expect(e).not.toEqual(jasmine.any(Error)); } expect(json).toBe(null); }); it('should return the isoString when stringified', function () { var date = new Date(); expect(JSON.stringify(date.toISOString())).toBe(JSON.stringify(date)); }); }); });