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-rw-r--r--js/src/tests/test262/built-ins/Temporal/Calendar/prototype/weekOfYear/cross-year.js15
1 files changed, 15 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Temporal/Calendar/prototype/weekOfYear/cross-year.js b/js/src/tests/test262/built-ins/Temporal/Calendar/prototype/weekOfYear/cross-year.js
new file mode 100644
index 0000000000..d65ef91a26
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Temporal/Calendar/prototype/weekOfYear/cross-year.js
@@ -0,0 +1,15 @@
+// |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.
+
+/*---
+esid: sec-temporal.calendar.prototype.weekofyear
+description: weekOfYear() crossing year boundaries.
+features: [Temporal]
+---*/
+
+const iso = Temporal.Calendar.from("iso8601");
+assert.sameValue(iso.weekOfYear(Temporal.PlainDate.from("2019-12-31")), 1, "week 1 from next year");
+assert.sameValue(iso.weekOfYear(Temporal.PlainDate.from("2021-01-01")), 53, "week 1 from next year");
+
+reportCompare(0, 0);