1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/Temporal/Duration/compare/relativeto-sub-minute-offset.js b/js/src/tests/test262/intl402/Temporal/Duration/compare/relativeto-sub-minute-offset.js
new file mode 100644
index 0000000000..da46868524
--- /dev/null
+++ b/js/src/tests/test262/intl402/Temporal/Duration/compare/relativeto-sub-minute-offset.js
@@ -0,0 +1,31 @@
+// |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.duration.compare
+description: relativeTo string accepts an inexact UTC offset rounded to hours and minutes
+features: [Temporal]
+---*/
+
+const duration1 = new Temporal.Duration(0, 0, 0, 31);
+const duration2 = new Temporal.Duration(0, 1);
+
+let result;
+let relativeTo;
+
+const action = (relativeTo) => Temporal.Duration.compare(duration1, duration2, { relativeTo });
+
+relativeTo = "1970-01-01T00:00:00-00:45[Africa/Monrovia]";
+result = action(relativeTo);
+assert.sameValue(result, 0, "rounded HH:MM is accepted in string offset");
+
+relativeTo = "1970-01-01T00:00:00-00:44:30[Africa/Monrovia]";
+result = action(relativeTo);
+assert.sameValue(result, 0, "unrounded HH:MM:SS is accepted in string offset");
+
+const timeZone = Temporal.TimeZone.from("Africa/Monrovia");
+relativeTo = { year: 1970, month: 1, day: 1, offset: "+00:45", timeZone };
+assert.throws(RangeError, () => action(relativeTo), "rounded HH:MM not accepted as offset in property bag");
+
+reportCompare(0, 0);