1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/Temporal/PlainYearMonth/compare/infinity-throws-rangeerror.js b/js/src/tests/test262/intl402/Temporal/PlainYearMonth/compare/infinity-throws-rangeerror.js
new file mode 100644
index 0000000000..4ee79a26e6
--- /dev/null
+++ b/js/src/tests/test262/intl402/Temporal/PlainYearMonth/compare/infinity-throws-rangeerror.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.
+
+/*---
+description: Throws if any value in a property bag for either argument is Infinity or -Infinity
+esid: sec-temporal.plainyearmonth.compare
+includes: [compareArray.js, temporalHelpers.js]
+features: [Temporal]
+---*/
+
+const other = new Temporal.PlainYearMonth(2000, 5, "gregory");
+const base = { era: "ad", month: 5, calendar: "gregory" };
+
+[Infinity, -Infinity].forEach((inf) => {
+  assert.throws(RangeError, () => Temporal.PlainYearMonth.compare({ ...base, eraYear: inf }, other), `eraYear property cannot be ${inf}`);
+
+  assert.throws(RangeError, () => Temporal.PlainYearMonth.compare(other, { ...base, eraYear: inf }), `eraYear property cannot be ${inf}`);
+
+  const calls1 = [];
+  const obj1 = TemporalHelpers.toPrimitiveObserver(calls1, inf, "eraYear");
+  assert.throws(RangeError, () => Temporal.PlainYearMonth.compare({ ...base, eraYear: obj1 }, other));
+  assert.compareArray(calls1, ["get eraYear.valueOf", "call eraYear.valueOf"], "it fails after fetching the primitive value");
+
+  const calls2 = [];
+  const obj2 = TemporalHelpers.toPrimitiveObserver(calls2, inf, "eraYear");
+  assert.throws(RangeError, () => Temporal.PlainYearMonth.compare(other, { ...base, eraYear: obj2 }));
+  assert.compareArray(calls2, ["get eraYear.valueOf", "call eraYear.valueOf"], "it fails after fetching the primitive value");
+});
+
+reportCompare(0, 0);