test_date_parse_string.cjs
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test_date_parse_string.cjs
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	let failed = 0;

	function check(label, cond, detail) {
	if (!cond) {
	failed++;
	console.log("FAIL", label, detail \|\| "");
	}
	}

	const msZ = Date.parse("2026-02-27T12:00:00Z");
	check("Date.parse Z", msZ === 1772193600000, msZ);

	const dZ = new Date("2026-02-27T12:00:00Z");
	check("new Date Z toISOString", dZ.toISOString() === "2026-02-27T12:00:00.000Z", dZ.toISOString());

	const dDateOnly = new Date("2026-02-27");
	check("date-only is UTC midnight", dDateOnly.toISOString() === "2026-02-27T00:00:00.000Z", dDateOnly.toISOString());

	const dClone = new Date(dZ);
	check("clone from Date object", dClone.getTime() === dZ.getTime(), dClone.getTime() + " vs " + dZ.getTime());

	const msOff = Date.parse("2026-02-27T12:00:00+02:30");
	const msOffRef = Date.parse("2026-02-27T09:30:00Z");
	check("timezone offset", msOff === msOffRef, msOff + " vs " + msOffRef);

	const invalidParse = Date.parse("not-a-date");
	check("invalid parse is NaN", invalidParse !== invalidParse, invalidParse);

	const invalidDate = new Date("not-a-date");
	const invalidTime = invalidDate.getTime();
	check("invalid date getTime is NaN", invalidTime !== invalidTime, invalidTime);

	if (failed > 0) throw new Error("test_date_parse_string failed");