1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Temporal/Calendar/prototype/daysInWeek/date.js b/js/src/tests/test262/built-ins/Temporal/Calendar/prototype/daysInWeek/date.js
new file mode 100644
index 0000000000..62f2ff263a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Temporal/Calendar/prototype/daysInWeek/date.js
@@ -0,0 +1,16 @@
+// |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-temporal.calendar.prototype.daysinweeks
+description: Temporal.Calendar.prototype.daysInWeek will take PlainDate and return 7.
+info: |
+  5. Return 7𝔽.
+features: [Temporal]
+---*/
+let cal = new Temporal.Calendar("iso8601");
+
+let d = new Temporal.PlainDate(2021, 7, 15);
+assert.sameValue(cal.daysInWeek(d), 7, 'cal.daysInWeek(new Temporal.PlainDate(2021, 7, 15)) must return 7');
+
+reportCompare(0, 0);