1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Temporal/PlainTime/prototype/until/roundingmode-wrong-type.js b/js/src/tests/test262/built-ins/Temporal/PlainTime/prototype/until/roundingmode-wrong-type.js
new file mode 100644
index 0000000000..80fe5287ae
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Temporal/PlainTime/prototype/until/roundingmode-wrong-type.js
@@ -0,0 +1,19 @@
+// |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.plaintime.prototype.until
+description: Type conversions for roundingMode option
+includes: [compareArray.js, temporalHelpers.js]
+features: [Temporal]
+---*/
+
+const earlier = new Temporal.PlainTime(12, 34, 56, 0, 0, 0);
+const later = new Temporal.PlainTime(13, 35, 57, 123, 987, 500);
+TemporalHelpers.checkStringOptionWrongType("roundingMode", "trunc",
+  (roundingMode) => earlier.until(later, { smallestUnit: "microsecond", roundingMode }),
+  (result, descr) => TemporalHelpers.assertDuration(result, 0, 0, 0, 0, 1, 1, 1, 123, 987, 0, descr),
+);
+
+reportCompare(0, 0);