1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/Temporal/ZonedDateTime/prototype/until/sub-minute-offset.js b/js/src/tests/test262/intl402/Temporal/ZonedDateTime/prototype/until/sub-minute-offset.js
new file mode 100644
index 0000000000..b8fc742f2c
--- /dev/null
+++ b/js/src/tests/test262/intl402/Temporal/ZonedDateTime/prototype/until/sub-minute-offset.js
@@ -0,0 +1,38 @@
+// |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally
+// Copyright (C) 2021 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal.zoneddatetime.prototype.until
+description: Fuzzy matching behaviour for UTC offset in ISO 8601 string with named time zones
+includes: [temporalHelpers.js]
+features: [Temporal]
+---*/
+
+const timeZone = new Temporal.TimeZone("Africa/Monrovia");
+const instance = new Temporal.ZonedDateTime(0n, timeZone);
+
+let result = instance.until("1970-01-01T00:44:30-00:44:30[Africa/Monrovia]");
+TemporalHelpers.assertDuration(result, 0, 0, 0, 0, 1, 29, 0, 0, 0, 0, "UTC offset rounded to minutes is accepted");
+
+result = instance.until("1970-01-01T00:44:30-00:44:30[Africa/Monrovia]");
+TemporalHelpers.assertDuration(result, 0, 0, 0, 0, 1, 29, 0, 0, 0, 0, "Unrounded sub-minute UTC offset also accepted");
+
+assert.throws(
+  RangeError,
+  () => instance.until("1970-01-01T00:44:30+00:44:30[+00:45"),
+  "minute rounding not supported for offset time zones"
+);
+
+const properties = {
+  offset: "-00:45",
+  year: 1970,
+  month: 1,
+  day: 1,
+  minute: 44,
+  second: 30,
+  timeZone
+};
+assert.throws(RangeError, () => instance.until(properties), "no fuzzy matching is done on offset in property bag");
+
+reportCompare(0, 0);