1 files changed, 53 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Temporal/Calendar/prototype/dateAdd/basic.js b/js/src/tests/test262/built-ins/Temporal/Calendar/prototype/dateAdd/basic.js
new file mode 100644
index 0000000000..2424570c74
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Temporal/Calendar/prototype/dateAdd/basic.js
@@ -0,0 +1,53 @@
+// |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.dateadd
+description: Basic tests for dateAdd().
+includes: [temporalHelpers.js]
+features: [Temporal]
+---*/
+
+const iso = Temporal.Calendar.from("iso8601");
+const date = Temporal.PlainDate.from("1994-11-06");
+const positiveDuration = Temporal.Duration.from({ months: 1, weeks: 1 });
+const negativeDuration = Temporal.Duration.from({ months: -1, weeks: -1 });
+
+TemporalHelpers.assertPlainDate(
+  iso.dateAdd(Temporal.PlainDateTime.from("1994-11-06T08:15:30"), positiveDuration, {}),
+  1994, 12, "M12", 13, "date: PlainDateTime");
+
+TemporalHelpers.assertPlainDate(
+  iso.dateAdd({ year: 1994, month: 11, day: 6 }, positiveDuration, {}),
+  1994, 12, "M12", 13, "date: property bag");
+
+TemporalHelpers.assertPlainDate(
+  iso.dateAdd("1994-11-06", positiveDuration, {}),
+  1994, 12, "M12", 13, "date: string");
+
+assert.throws(TypeError, () => iso.dateAdd({ month: 11 }, positiveDuration, {}), "date: missing property");
+
+TemporalHelpers.assertPlainDate(
+  iso.dateAdd(date, { months: 1, weeks: 1 }, {}),
+  1994, 12, "M12", 13, "duration: property bag");
+
+TemporalHelpers.assertPlainDate(
+  iso.dateAdd(date, "P1M1W", {}),
+  1994, 12, "M12", 13, "duration: string");
+
+assert.throws(TypeError, () => iso.dateAdd(date, { month: 1 }, {}), "duration: missing property");
+
+TemporalHelpers.assertPlainDate(
+  iso.dateAdd(Temporal.PlainDateTime.from("1994-11-06T08:15:30"), negativeDuration, {}),
+  1994, 9, "M09", 29, "date: PlainDateTime, negative duration");
+
+TemporalHelpers.assertPlainDate(
+  iso.dateAdd({ year: 1994, month: 11, day: 6 }, negativeDuration, {}),
+  1994, 9, "M09", 29, "date: property bag, negative duration");
+
+TemporalHelpers.assertPlainDate(
+  iso.dateAdd("1994-11-06", negativeDuration, {}),
+  1994, 9, "M09", 29, "date: string, negative duration");
+
+reportCompare(0, 0);