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v8/test/mjsunit/date.js
ulan dd3f1ecf71 Revert of Make dates default to the local timezone if none specified (https://codereview.chromium.org/1229903004/) 
Even though the change is ES6 spec compliant, we decided to revert
to be consistent with other browsers and work on fixing the spec.

Original issue's description:
> Make dates default to the local timezone if none specified
>
> In ES5, dates were supposed to default to UTC if no timezone was specified. However, this changed in ES6, which specified that dates should be in the local timezone if no timezone was specified. This CL updates our behavior to match that part of the ES6 spec.

> BUG=chromium:391730, v8:4242
> LOG=Y

> Committed: https://crrev.com/f06754a8e1d305a43560705f6c167d85d40e602d
> Cr-Commit-Position: refs/heads/master@{#29854}

BUG=chromium:543320,chromium:539813
LOG=NO

Review URL: https://codereview.chromium.org/1403153003

Cr-Commit-Position: refs/heads/master@{#31295}
2015-10-15 12:18:16 +00:00

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// 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.
// Flags: --allow-natives-syntax
// 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("en-GB");
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);
}
}
assertThrows('Date.prototype.setTime.call("", 1);', TypeError);
assertThrows('Date.prototype.setYear.call("", 1);', TypeError);
assertThrows('Date.prototype.setHours.call("", 1, 2, 3, 4);', TypeError);
assertThrows('Date.prototype.getDate.call("");', TypeError);
assertThrows('Date.prototype.getUTCDate.call("");', TypeError);
var date = new Date();
date.getTime();
date.getTime();
%OptimizeFunctionOnNextCall(Date.prototype.getTime);
assertThrows(function() { Date.prototype.getTime.call(""); }, TypeError);
assertUnoptimized(Date.prototype.getTime);
date.getYear();
date.getYear();
%OptimizeFunctionOnNextCall(Date.prototype.getYear);
assertThrows(function() { Date.prototype.getYear.call(""); }, TypeError);
assertUnoptimized(Date.prototype.getYear);
(function TestDatePrototypeOrdinaryObject() {
assertEquals(Object.prototype, Date.prototype.__proto__);
assertThrows(function () { Date.prototype.toString() }, TypeError);
})();
delete Date.prototype.getUTCFullYear;
delete Date.prototype.getUTCMonth;
delete Date.prototype.getUTCDate;
delete Date.prototype.getUTCHours;
delete Date.prototype.getUTCMinutes;
delete Date.prototype.getUTCSeconds;
delete Date.prototype.getUTCMilliseconds;
date.toISOString();
(function TestDeleteToString() {
assertTrue(delete Date.prototype.toString);
assertTrue('[object Date]' !== Date());
})();
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