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-rw-r--r--js/src/tests/non262/destructuring/iterator-primitive.js36
1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/tests/non262/destructuring/iterator-primitive.js b/js/src/tests/non262/destructuring/iterator-primitive.js
new file mode 100644
index 0000000000..17d100367c
--- /dev/null
+++ b/js/src/tests/non262/destructuring/iterator-primitive.js
@@ -0,0 +1,36 @@
+var BUGNUMBER = 1021835;
+var summary = "Returning non-object from @@iterator should throw";
+
+print(BUGNUMBER + ": " + summary);
+
+let primitives = [
+ 1,
+ true,
+ undefined,
+ null,
+ "foo",
+ Symbol.iterator
+];
+
+function f([]) {
+}
+
+for (let primitive of primitives) {
+ let obj = {
+ [Symbol.iterator]() {
+ return primitive;
+ }
+ };
+ assertThrowsInstanceOf(() => {
+ let [] = obj;
+ }, TypeError);
+ assertThrowsInstanceOf(() => {
+ [] = obj;
+ }, TypeError);
+ assertThrowsInstanceOf(() => {
+ f(obj);
+ }, TypeError);
+}
+
+if (typeof reportCompare === "function")
+ reportCompare(0, 0);