1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Temporal/PlainDateTime/prototype/withPlainDate/argument-object-insufficient-data.js b/js/src/tests/test262/built-ins/Temporal/PlainDateTime/prototype/withPlainDate/argument-object-insufficient-data.js
new file mode 100644
index 0000000000..e7d7859da5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Temporal/PlainDateTime/prototype/withPlainDate/argument-object-insufficient-data.js
@@ -0,0 +1,38 @@
+// |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.plaindatetime.prototype.withplaindate
+description: Unrecognized properties of plain object ignored
+includes: [temporalHelpers.js]
+features: [Temporal]
+---*/
+
+const dt = new Temporal.PlainDateTime(1995, 12, 7, 3, 24, 30);
+
+assert.throws(
+  TypeError,
+  () => dt.withPlainDate({}),
+  "empty object not acceptable"
+);
+
+assert.throws(
+  TypeError,
+  () => dt.withPlainDate({ months: 12 }), // should be "month"
+  "no recognized properties (look like it might work)"
+);
+
+assert.throws(
+  TypeError,
+  () => dt.with({nonsense: true}),
+  "no recognized properties (clearly won't work)"
+);
+
+TemporalHelpers.assertPlainDateTime(
+  dt.withPlainDate({ year: 2000, month: 6, day: 1, months: 123 }), // 'months' unrecognized; see above
+  2000, 6, "M06", 1, 3, 24, 30, 0, 0, 0,
+  "unrecognized properties ignored & does not throw if recognized properties present)"
+);
+
+reportCompare(0, 0);