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let dates = [
"0041-09-23", "+000041-09-23", "-000041-09-23",
"0091-09-23", "+000091-09-23", "-000091-09-23",
"0217-09-23", "+000217-09-23", "-000217-09-23",
"2017-09-23", "+002017-09-23", "-002017-09-23",
"+022017-09-23", "-022017-09-23",
"+202017-09-23", "-202017-09-23",
];
for (let date of dates) {
let d = new Date(date);
let timeValue = d.valueOf();
assertEq(Number.isNaN(timeValue), false, `Cannot parse "${date}" as ISO date-only form`);
// Ensure parsing the results of toString(), toUTCString(), and toISOString()
// gives the same time value as required by 20.3.3.2 Date.parse.
//
// Additional requirement not present in ES2019 draft rev 7acacc524213058a2368b5fa751fac7ea08ba230:
// The time zone offset must not contain seconds (or milliseconds) for |Date.parse(x.toString())|
// to be equal to |x.valueOf()|.
let tz = d.getTimezoneOffset();
if (Math.trunc(tz) === tz) {
assertEq(Date.parse(d.toString()), timeValue, `Cannot parse from toString() of "${date}"`);
}
assertEq(Date.parse(d.toUTCString()), timeValue, `Cannot parse from toUTCString() of "${date}"`);
assertEq(Date.parse(d.toISOString()), timeValue, `Cannot parse from toISOString() of "${date}"`);
}
if (typeof reportCompare === "function")
reportCompare(true, true);
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