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-rw-r--r--js/src/tests/ecma_6/Destructuring/array-iterator-close.js16
1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/tests/ecma_6/Destructuring/array-iterator-close.js b/js/src/tests/ecma_6/Destructuring/array-iterator-close.js
index f7805540d..ed35135db 100644
--- a/js/src/tests/ecma_6/Destructuring/array-iterator-close.js
+++ b/js/src/tests/ecma_6/Destructuring/array-iterator-close.js
@@ -43,6 +43,22 @@ function test() {
}, "in lhs");
assertEq(returnCalled, ++returnCalledExpected);
+ // throw in lhs ref calls IteratorClose with falsy "done".
+ iterable[Symbol.iterator] = makeIterator({
+ next: function() {
+ // "done" is undefined.
+ return {};
+ },
+ ret: function() {
+ returnCalled++;
+ return {};
+ }
+ });
+ assertThrowsValue(function() {
+ 0, [...{}[throwlhs()]] = iterable;
+ }, "in lhs");
+ assertEq(returnCalled, ++returnCalledExpected);
+
// throw in iter.next doesn't call IteratorClose
iterable[Symbol.iterator] = makeIterator({
next: function() {