1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/tests/non262/TypedArray/constructor-iterable-modified-array-iterator-next.js b/js/src/tests/non262/TypedArray/constructor-iterable-modified-array-iterator-next.js
new file mode 100644
index 0000000000..76eaaae46d
--- /dev/null
+++ b/js/src/tests/non262/TypedArray/constructor-iterable-modified-array-iterator-next.js
@@ -0,0 +1,28 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Construct typed array from array with modified array iterator next method.
+const ArrayIteratorPrototype = Object.getPrototypeOf([][Symbol.iterator]());
+const origNext = ArrayIteratorPrototype.next;
+const modifiedNext = function() {
+    let {value, done} = origNext.call(this);
+    return {value: value * 5, done};
+};
+for (let constructor of anyTypedArrayConstructors) {
+    for (let array of [[], [1], [2, 3], [4, 5, 6], Array(1024).fill(0).map((v, i) => i % 24)]) {
+        ArrayIteratorPrototype.next = modifiedNext;
+        let typedArray;
+        try {
+            typedArray = new constructor(array);
+        } finally {
+            ArrayIteratorPrototype.next = origNext;
+        }
+
+        assertEq(typedArray.length, array.length);
+        assertEqArray(typedArray, array.map(v => v * 5));
+    }
+}
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);