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/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
//-----------------------------------------------------------------------------
var BUGNUMBER = 730831;
var summary = 'Date.prototype.toISOString returns an invalid ISO-8601 string';
print(BUGNUMBER + ": " + summary);
function iso(t) {
return new Date(t).toISOString();
}
function utc(year, month, day, hour, minute, second, millis) {
var date = new Date(0);
date.setUTCFullYear(year, month - 1, day);
date.setUTCHours(hour, minute, second, millis);
return date.getTime();
}
// Values around maximum date for simple iso format.
var maxDateSimple = utc(9999, 12, 31, 23, 59, 59, 999);
assertEq(iso(maxDateSimple - 1), "9999-12-31T23:59:59.998Z");
assertEq(iso(maxDateSimple ), "9999-12-31T23:59:59.999Z");
assertEq(iso(maxDateSimple + 1), "+010000-01-01T00:00:00.000Z");
// Values around minimum date for simple iso format.
var minDateSimple = utc(0, 1, 1, 0, 0, 0, 0);
assertEq(iso(minDateSimple - 1), "-000001-12-31T23:59:59.999Z");
assertEq(iso(minDateSimple ), "0000-01-01T00:00:00.000Z");
assertEq(iso(minDateSimple + 1), "0000-01-01T00:00:00.001Z");
// Values around maximum date for extended iso format.
var maxDateExtended = utc(+275760, 9, 13, 0, 0, 0, 0);
assertEq(maxDateExtended, +8.64e15);
assertEq(iso(maxDateExtended - 1), "+275760-09-12T23:59:59.999Z");
assertEq(iso(maxDateExtended ), "+275760-09-13T00:00:00.000Z");
assertThrowsInstanceOf(() => iso(maxDateExtended + 1), RangeError);
// Values around minimum date for extended iso format.
var minDateExtended = utc(-271821, 4, 20, 0, 0, 0, 0);
assertEq(minDateExtended, -8.64e15);
assertThrowsInstanceOf(() => iso(minDateExtended - 1), RangeError);
assertEq(iso(minDateExtended ), "-271821-04-20T00:00:00.000Z");
assertEq(iso(minDateExtended + 1), "-271821-04-20T00:00:00.001Z");
if (typeof reportCompare === "function")
reportCompare(true, true);
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