JezK
Edit File: date.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 date construction from other dates. var date0 = new Date(1111); var date1 = new Date(date0); assertEquals(1111, date0.getTime()); assertEquals(date0.getTime(), date1.getTime()); var date2 = new Date(date0.toString()); assertEquals(1000, date2.getTime()); // Test that dates may contain commas. var date0 = Date.parse("Dec 25 1995 1:30"); var date1 = Date.parse("Dec 25, 1995 1:30"); var date2 = Date.parse("Dec 25 1995, 1:30"); var date3 = Date.parse("Dec 25, 1995, 1:30"); assertEquals(date0, date1); assertEquals(date1, date2); assertEquals(date2, date3); // Test limits (+/-1e8 days from epoch) var dMax = new Date(8.64e15); assertEquals(8.64e15, dMax.getTime()); assertEquals(275760, dMax.getFullYear()); assertEquals(8, dMax.getMonth()); assertEquals(13, dMax.getUTCDate()); var dOverflow = new Date(8.64e15+1); assertTrue(isNaN(dOverflow.getTime())); var dMin = new Date(-8.64e15); assertEquals(-8.64e15, dMin.getTime()); assertEquals(-271821, dMin.getFullYear()); assertEquals(3, dMin.getMonth()); assertEquals(20, dMin.getUTCDate()); var dUnderflow = new Date(-8.64e15-1); assertTrue(isNaN(dUnderflow.getTime())); // Tests inspired by js1_5/Date/regress-346363.js // Year var a = new Date(); a.setFullYear(); a.setFullYear(2006); assertEquals(2006, a.getFullYear()); var b = new Date(); b.setUTCFullYear(); b.setUTCFullYear(2006); assertEquals(2006, b.getUTCFullYear()); // Month var c = new Date(); c.setMonth(); c.setMonth(2); assertTrue(isNaN(c.getMonth())); var d = new Date(); d.setUTCMonth(); d.setUTCMonth(2); assertTrue(isNaN(d.getUTCMonth())); // Date var e = new Date(); e.setDate(); e.setDate(2); assertTrue(isNaN(e.getDate())); var f = new Date(); f.setUTCDate(); f.setUTCDate(2); assertTrue(isNaN(f.getUTCDate())); // Hours var g = new Date(); g.setHours(); g.setHours(2); assertTrue(isNaN(g.getHours())); var h = new Date(); h.setUTCHours(); h.setUTCHours(2); assertTrue(isNaN(h.getUTCHours())); // Minutes var g = new Date(); g.setMinutes(); g.setMinutes(2); assertTrue(isNaN(g.getMinutes())); var h = new Date(); h.setUTCHours(); h.setUTCHours(2); assertTrue(isNaN(h.getUTCHours())); // Seconds var i = new Date(); i.setSeconds(); i.setSeconds(2); assertTrue(isNaN(i.getSeconds())); var j = new Date(); j.setUTCSeconds(); j.setUTCSeconds(2); assertTrue(isNaN(j.getUTCSeconds())); // Milliseconds var k = new Date(); k.setMilliseconds(); k.setMilliseconds(2); assertTrue(isNaN(k.getMilliseconds())); var l = new Date(); l.setUTCMilliseconds(); l.setUTCMilliseconds(2); assertTrue(isNaN(l.getUTCMilliseconds())); // Test that toLocaleTimeString only returns the time portion of the // date without the timezone information. function testToLocaleTimeString() { var d = new Date(); var s = d.toLocaleTimeString(); assertEquals(8, s.length); } testToLocaleTimeString(); // Test that -0 is treated correctly in MakeDay. var d = new Date(); assertDoesNotThrow("d.setDate(-0)"); assertDoesNotThrow("new Date(-0, -0, -0, -0, -0, -0, -0)"); assertDoesNotThrow("new Date(0x40000000, 0x40000000, 0x40000000," + "0x40000000, 0x40000000, 0x40000000, 0x40000000)") assertDoesNotThrow("new Date(-0x40000001, -0x40000001, -0x40000001," + "-0x40000001, -0x40000001, -0x40000001, -0x40000001)") // Modified test from WebKit // LayoutTests/fast/js/script-tests/date-utc-timeclip.js: assertEquals(8639999999999999, Date.UTC(275760, 8, 12, 23, 59, 59, 999)); assertEquals(8640000000000000, Date.UTC(275760, 8, 13)); assertTrue(isNaN(Date.UTC(275760, 8, 13, 0, 0, 0, 1))); assertTrue(isNaN(Date.UTC(275760, 8, 14))); assertEquals(Date.UTC(-271821, 3, 20, 0, 0, 0, 1), -8639999999999999); assertEquals(Date.UTC(-271821, 3, 20), -8640000000000000); assertTrue(isNaN(Date.UTC(-271821, 3, 19, 23, 59, 59, 999))); assertTrue(isNaN(Date.UTC(-271821, 3, 19))); // Test creation with large date values. d = new Date(1969, 12, 1, 99999999999); assertTrue(isNaN(d.getTime())); d = new Date(1969, 12, 1, -99999999999); assertTrue(isNaN(d.getTime())); d = new Date(1969, 12, 1, Infinity); assertTrue(isNaN(d.getTime())); d = new Date(1969, 12, 1, -Infinity); assertTrue(isNaN(d.getTime())); d = new Date(1969, 12, 1, 0); d.setTime(Math.pow(2, 64)); assertTrue(isNaN(d.getTime())); d = new Date(1969, 12, 1, 0); d.setTime(Math.pow(-2, 64)); assertTrue(isNaN(d.getTime())); // Test creation with obscure date values. assertEquals(8640000000000000, Date.UTC(1970, 0, 1 + 100000001, -24)); assertEquals(-8640000000000000, Date.UTC(1970, 0, 1 - 100000001, 24)); // Parsing ES5 ISO-8601 dates. // When TZ is omitted, it defaults to 'Z' meaning UTC. // Check epoch. assertEquals(0, Date.parse("1970-01-01T00:00:00.000+00:00")); assertEquals(0, Date.parse("1970-01-01T00:00:00.000-00:00")); assertEquals(0, Date.parse("1970-01-01T00:00:00.000Z")); assertEquals(0, Date.parse("1970-01-01T00:00:00.000")); assertEquals(0, Date.parse("1970-01-01T00:00:00")); assertEquals(0, Date.parse("1970-01-01T00:00")); assertEquals(0, Date.parse("1970-01-01")); assertEquals(0, Date.parse("1970-01T00:00:00.000+00:00")); assertEquals(0, Date.parse("1970-01T00:00:00.000-00:00")); assertEquals(0, Date.parse("1970-01T00:00:00.000Z")); assertEquals(0, Date.parse("1970-01T00:00:00.000")); assertEquals(0, Date.parse("1970-01T00:00:00")); assertEquals(0, Date.parse("1970-01T00:00")); assertEquals(0, Date.parse("1970-01")); assertEquals(0, Date.parse("1970T00:00:00.000+00:00")); assertEquals(0, Date.parse("1970T00:00:00.000-00:00")); assertEquals(0, Date.parse("1970T00:00:00.000Z")); assertEquals(0, Date.parse("1970T00:00:00.000")); assertEquals(0, Date.parse("1970T00:00:00")); assertEquals(0, Date.parse("1970T00:00")); assertEquals(0, Date.parse("1970")); assertEquals(0, Date.parse("+001970-01-01T00:00:00.000+00:00")); assertEquals(0, Date.parse("+001970-01-01T00:00:00.000-00:00")); assertEquals(0, Date.parse("+001970-01-01T00:00:00.000Z")); assertEquals(0, Date.parse("+001970-01-01T00:00:00.000")); assertEquals(0, Date.parse("+001970-01-01T00:00:00")); assertEquals(0, Date.parse("+001970-01-01T00:00")); assertEquals(0, Date.parse("+001970-01-01")); assertEquals(0, Date.parse("+001970-01T00:00:00.000+00:00")); assertEquals(0, Date.parse("+001970-01T00:00:00.000-00:00")); assertEquals(0, Date.parse("+001970-01T00:00:00.000Z")); assertEquals(0, Date.parse("+001970-01T00:00:00.000")); assertEquals(0, Date.parse("+001970-01T00:00:00")); assertEquals(0, Date.parse("+001970-01T00:00")); assertEquals(0, Date.parse("+001970-01")); assertEquals(0, Date.parse("+001970T00:00:00.000+00:00")); assertEquals(0, Date.parse("+001970T00:00:00.000-00:00")); assertEquals(0, Date.parse("+001970T00:00:00.000Z")); assertEquals(0, Date.parse("+001970T00:00:00.000")); assertEquals(0, Date.parse("+001970T00:00:00")); assertEquals(0, Date.parse("+001970T00:00")); assertEquals(0, Date.parse("+001970")); // Check random date. assertEquals(70671003500, Date.parse("1972-03-28T23:50:03.500+01:00")); assertEquals(70674603500, Date.parse("1972-03-28T23:50:03.500Z")); assertEquals(70674603500, Date.parse("1972-03-28T23:50:03.500")); assertEquals(70674603000, Date.parse("1972-03-28T23:50:03")); assertEquals(70674600000, Date.parse("1972-03-28T23:50")); assertEquals(70588800000, Date.parse("1972-03-28")); assertEquals(68338203500, Date.parse("1972-03T23:50:03.500+01:00")); assertEquals(68341803500, Date.parse("1972-03T23:50:03.500Z")); assertEquals(68341803500, Date.parse("1972-03T23:50:03.500")); assertEquals(68341803000, Date.parse("1972-03T23:50:03")); assertEquals(68341800000, Date.parse("1972-03T23:50")); assertEquals(68256000000, Date.parse("1972-03")); assertEquals(63154203500, Date.parse("1972T23:50:03.500+01:00")); assertEquals(63157803500, Date.parse("1972T23:50:03.500Z")); assertEquals(63157803500, Date.parse("1972T23:50:03.500")); assertEquals(63157803000, Date.parse("1972T23:50:03")); assertEquals(63072000000, Date.parse("1972")); assertEquals(70671003500, Date.parse("+001972-03-28T23:50:03.500+01:00")); assertEquals(70674603500, Date.parse("+001972-03-28T23:50:03.500Z")); assertEquals(70674603500, Date.parse("+001972-03-28T23:50:03.500")); assertEquals(70674603000, Date.parse("+001972-03-28T23:50:03")); assertEquals(70674600000, Date.parse("+001972-03-28T23:50")); assertEquals(70588800000, Date.parse("+001972-03-28")); assertEquals(68338203500, Date.parse("+001972-03T23:50:03.500+01:00")); assertEquals(68341803500, Date.parse("+001972-03T23:50:03.500Z")); assertEquals(68341803500, Date.parse("+001972-03T23:50:03.500")); assertEquals(68341803000, Date.parse("+001972-03T23:50:03")); assertEquals(68341800000, Date.parse("+001972-03T23:50")); assertEquals(68256000000, Date.parse("+001972-03")); assertEquals(63154203500, Date.parse("+001972T23:50:03.500+01:00")); assertEquals(63157803500, Date.parse("+001972T23:50:03.500Z")); assertEquals(63157803500, Date.parse("+001972T23:50:03.500")); assertEquals(63157803000, Date.parse("+001972T23:50:03")); assertEquals(63072000000, Date.parse("+001972")); // Ensure that ISO-years in the range 00-99 aren't translated to the range // 1950..2049. assertEquals(-60904915200000, Date.parse("0040-01-01")); assertEquals(-60273763200000, Date.parse("0060-01-01")); assertEquals(-62167219200000, Date.parse("0000-01-01")); assertEquals(-62167219200000, Date.parse("+000000-01-01")); // Test negative years. assertEquals(-63429523200000, Date.parse("-000040-01-01")); assertEquals(-64060675200000, Date.parse("-000060-01-01")); assertEquals(-124397510400000, Date.parse("-001972-01-01")); // Check time-zones. assertEquals(70674603500, Date.parse("1972-03-28T23:50:03.500Z")); for (var i = 0; i < 24; i++) { var hh = (i < 10) ? "0" + i : "" + i; for (var j = 0; j < 60; j += 15) { var mm = (j < 10) ? "0" + j : "" + j; var ms = (i * 60 + j) * 60000; var string = "1972-03-28T23:50:03.500-" + hh + ":" + mm; assertEquals(70674603500 + ms, Date.parse(string), string); string = "1972-03-28T23:50:03.500+" + hh + ":" + mm; assertEquals(70674603500 - ms, Date.parse(string), string); } }