1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Temporal/TimeZone/prototype/getOffsetStringFor/argument-not-absolute-getOffsetNanosecondsFor-override.js b/js/src/tests/test262/built-ins/Temporal/TimeZone/prototype/getOffsetStringFor/argument-not-absolute-getOffsetNanosecondsFor-override.js
new file mode 100644
index 0000000000..6db17f2203
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Temporal/TimeZone/prototype/getOffsetStringFor/argument-not-absolute-getOffsetNanosecondsFor-override.js
@@ -0,0 +1,24 @@
+// |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally
+// Copyright (C) 2020 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal.timezone.prototype.getoffsetstringfor
+description: timeZone.getOffsetNanosecondsFor not called when argument cannot be converted to Temporal.Instant
+features: [Temporal]
+---*/
+
+const timeZone = Temporal.TimeZone.from("UTC");
+let called = false;
+timeZone.getOffsetNanosecondsFor = () => called = true;
+assert.throws(TypeError, () => timeZone.getOffsetStringFor(undefined), "undefined");
+assert.throws(TypeError, () => timeZone.getOffsetStringFor(null), "null");
+assert.throws(TypeError, () => timeZone.getOffsetStringFor(true), "boolean");
+assert.throws(RangeError, () => timeZone.getOffsetStringFor(""), "empty string");
+assert.throws(TypeError, () => timeZone.getOffsetStringFor(Symbol()), "Symbol");
+assert.throws(TypeError, () => timeZone.getOffsetStringFor(5), "number");
+assert.throws(TypeError, () => timeZone.getOffsetStringFor(5n), "bigint");
+assert.throws(RangeError, () => timeZone.getOffsetStringFor({}), "plain object");
+assert.sameValue(called, false);
+
+reportCompare(0, 0);