1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/Temporal/Duration/prototype/round/relativeto-infinity-throws-rangeerror.js b/js/src/tests/test262/intl402/Temporal/Duration/prototype/round/relativeto-infinity-throws-rangeerror.js
new file mode 100644
index 0000000000..2561e27221
--- /dev/null
+++ b/js/src/tests/test262/intl402/Temporal/Duration/prototype/round/relativeto-infinity-throws-rangeerror.js
@@ -0,0 +1,24 @@
+// |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.
+
+/*---
+description: Throws if eraYear in the property bag is Infinity or -Infinity
+esid: sec-temporal.duration.prototype.round
+includes: [compareArray.js, temporalHelpers.js]
+features: [Temporal]
+---*/
+
+const instance = new Temporal.Duration(1, 2, 3, 4, 5, 6, 7, 987, 654, 321);
+const base = { era: "ad", month: 5, day: 2, hour: 15, calendar: "gregory" };
+
+[Infinity, -Infinity].forEach((inf) => {
+  assert.throws(RangeError, () => instance.round({ smallestUnit: "seconds", relativeTo: { ...base, eraYear: inf } }), `eraYear property cannot be ${inf} in relativeTo`);
+
+  const calls = [];
+  const obj = TemporalHelpers.toPrimitiveObserver(calls, inf, "eraYear");
+  assert.throws(RangeError, () => instance.round({ smallestUnit: "seconds", relativeTo: { ...base, eraYear: obj } }));
+  assert.compareArray(calls, ["get eraYear.valueOf", "call eraYear.valueOf"], "it fails after fetching the primitive value");
+});
+
+reportCompare(0, 0);