1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/Temporal/Duration/prototype/subtract/relativeto-string-datetime.js b/js/src/tests/test262/intl402/Temporal/Duration/prototype/subtract/relativeto-string-datetime.js
new file mode 100644
index 0000000000..c04ca96e3b
--- /dev/null
+++ b/js/src/tests/test262/intl402/Temporal/Duration/prototype/subtract/relativeto-string-datetime.js
@@ -0,0 +1,31 @@
+// |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally
+// Copyright (C) 2022 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal.duration.prototype.subtract
+description: >
+    Conversion of ISO date-time strings as relativeTo option to
+    Temporal.ZonedDateTime or Temporal.PlainDateTime instances
+includes: [temporalHelpers.js]
+features: [Temporal]
+---*/
+
+const instance = new Temporal.Duration(1, 0, 0, 1);
+
+let relativeTo = "2019-11-01T00:00[America/Vancouver]";
+const result4 = instance.subtract(new Temporal.Duration(0, 0, 0, 0, 24), { relativeTo });
+TemporalHelpers.assertDuration(result4, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, "date-time + IANA annotation is a zoned relativeTo");
+
+relativeTo = "2019-11-01T00:00Z[America/Vancouver]";
+const result5 = instance.subtract(new Temporal.Duration(0, 0, 0, 0, 24), { relativeTo });
+TemporalHelpers.assertDuration(result5, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, "date-time + Z + IANA annotation is a zoned relativeTo");
+
+relativeTo = "2019-11-01T00:00-07:00[America/Vancouver]";
+const result6 = instance.subtract(new Temporal.Duration(0, 0, 0, 0, 24), { relativeTo });
+TemporalHelpers.assertDuration(result6, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, "date-time + offset + IANA annotation is a zoned relativeTo");
+
+relativeTo = "2019-11-01T00:00+04:15[America/Vancouver]";
+assert.throws(RangeError, () => instance.subtract(new Temporal.Duration(0, 0, 0, 0, 24), { relativeTo }), "date-time + offset + IANA annotation throws if wall time and exact time mismatch");
+
+reportCompare(0, 0);