1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Iterator/prototype/map/this-non-callable-next.js b/js/src/tests/test262/built-ins/Iterator/prototype/map/this-non-callable-next.js
new file mode 100644
index 0000000000..fe58985b32
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Iterator/prototype/map/this-non-callable-next.js
@@ -0,0 +1,20 @@
+// |reftest| shell-option(--enable-iterator-helpers) skip-if(!this.hasOwnProperty('Iterator')||!xulRuntime.shell) -- iterator-helpers is not enabled unconditionally, requires shell-options
+// Copyright (C) 2023 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-iteratorprototype.map
+description: >
+  Iterator.prototype.map throws TypeError when its this value is an object with a non-callable next
+info: |
+  %Iterator.prototype%.map ( mapper )
+
+features: [iterator-helpers]
+flags: []
+---*/
+let iter = Iterator.prototype.map.call({ next: 0 }, () => 0);
+
+assert.throws(TypeError, function () {
+  iter.next();
+});
+
+reportCompare(0, 0);