1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/tests/non262/TypedArray/constructor-iterable-packed-array-side-effect.js b/js/src/tests/non262/TypedArray/constructor-iterable-packed-array-side-effect.js
new file mode 100644
index 0000000000..3c00af0de2
--- /dev/null
+++ b/js/src/tests/non262/TypedArray/constructor-iterable-packed-array-side-effect.js
@@ -0,0 +1,17 @@
+/* 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 iterable packed array, array contains object with modifying
+// valueOf() method.
+for (let constructor of anyTypedArrayConstructors) {
+    let array = [
+      0, 1, {valueOf() { array[3] = 30; return 2; }}, 3, 4
+    ];
+    let typedArray = new constructor(array);
+    assertEq(typedArray.length, array.length);
+    assertEqArray(typedArray, [0, 1, 2, 3, 4]);
+}
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);