1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/tests/non262/TypedArray/constructor-iterable-modified-array-iterator.js b/js/src/tests/non262/TypedArray/constructor-iterable-modified-array-iterator.js
new file mode 100644
index 0000000000..7c3192a6a3
--- /dev/null
+++ b/js/src/tests/non262/TypedArray/constructor-iterable-modified-array-iterator.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.
+const origIterator = Array.prototype[Symbol.iterator];
+const modifiedIterator = function*() {
+    for (let v of origIterator.call(this)) {
+        yield v * 5;
+    }
+};
+for (let constructor of anyTypedArrayConstructors) {
+    for (let array of [[], [1], [2, 3], [4, 5, 6], Array(1024).fill(0).map((v, i) => i % 24)]) {
+        Array.prototype[Symbol.iterator] = modifiedIterator;
+        let typedArray;
+        try {
+            typedArray = new constructor(array)
+        } finally {
+            Array.prototype[Symbol.iterator] = origIterator;
+        }
+
+        assertEq(typedArray.length, array.length);
+        assertEqArray(typedArray, array.map(v => v * 5));
+    }
+}
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);