1 files changed, 50 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Temporal/PlainYearMonth/compare/exhaustive.js b/js/src/tests/test262/built-ins/Temporal/PlainYearMonth/compare/exhaustive.js
new file mode 100644
index 0000000000..38dd3eb88e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Temporal/PlainYearMonth/compare/exhaustive.js
@@ -0,0 +1,50 @@
+// |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally
+// Copyright (C) 2023 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal.plainyearmonth.compare
+description: Tests for compare() with each possible outcome
+features: [Temporal]
+---*/
+
+const cal1 = "iso8601";
+const cal2 = new (class extends Temporal.Calendar { id = "custom"; })("iso8601");
+
+assert.sameValue(
+  Temporal.PlainYearMonth.compare(new Temporal.PlainYearMonth(2000, 5, cal1), new Temporal.PlainYearMonth(1987, 5, cal2)),
+  1,
+  "year >"
+);
+assert.sameValue(
+  Temporal.PlainYearMonth.compare(new Temporal.PlainYearMonth(1981, 12, cal1), new Temporal.PlainYearMonth(2048, 12, cal2)),
+  -1,
+  "year <"
+);
+assert.sameValue(
+  Temporal.PlainYearMonth.compare(new Temporal.PlainYearMonth(2000, 5, cal1), new Temporal.PlainYearMonth(2000, 3, cal2)),
+  1,
+  "month >"
+);
+assert.sameValue(
+  Temporal.PlainYearMonth.compare(new Temporal.PlainYearMonth(1981, 4, cal1), new Temporal.PlainYearMonth(1981, 12, cal2)),
+  -1,
+  "month <"
+);
+assert.sameValue(
+  Temporal.PlainYearMonth.compare(new Temporal.PlainYearMonth(2000, 5, cal1, 30), new Temporal.PlainYearMonth(2000, 5, cal2, 14)),
+  1,
+  "reference day >"
+);
+assert.sameValue(
+  Temporal.PlainYearMonth.compare(new Temporal.PlainYearMonth(1981, 4, cal1, 1), new Temporal.PlainYearMonth(1981, 4, cal2, 12)),
+  -1,
+  "reference day <"
+);
+assert.sameValue(
+  Temporal.PlainYearMonth.compare(new Temporal.PlainYearMonth(2000, 5, cal1), new Temporal.PlainYearMonth(2000, 5, cal2)),
+  0,
+  "="
+);
+
+reportCompare(0, 0);