/* 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);