1 files changed, 91 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-of/dstr/array-elem-trlg-iter-list-rtrn-close-null.js b/js/src/tests/test262/language/statements/for-of/dstr/array-elem-trlg-iter-list-rtrn-close-null.js
new file mode 100644
index 0000000000..3ecd873557
--- /dev/null
+++ b/js/src/tests/test262/language/statements/for-of/dstr/array-elem-trlg-iter-list-rtrn-close-null.js
@@ -0,0 +1,91 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-assignment/array-elem-trlg-iter-list-rtrn-close-null.case
+// - src/dstr-assignment/default/for-of.template
+/*---
+description: IteratorClose throws a TypeError when `return` returns a non-Object value (For..of statement)
+esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
+features: [Symbol.iterator, generators, destructuring-binding]
+flags: [generated]
+info: |
+    IterationStatement :
+      for ( LeftHandSideExpression of AssignmentExpression ) Statement
+
+    1. Let keyResult be the result of performing ? ForIn/OfHeadEvaluation(« »,
+       AssignmentExpression, iterate).
+    2. Return ? ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement,
+       keyResult, assignment, labelSet).
+
+    13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
+
+    [...]
+    4. If destructuring is true and if lhsKind is assignment, then
+       a. Assert: lhs is a LeftHandSideExpression.
+       b. Let assignmentPattern be the parse of the source text corresponding to
+          lhs using AssignmentPattern as the goal symbol.
+    [...]
+
+    ArrayAssignmentPattern :
+        [ AssignmentElementList , Elisionopt AssignmentRestElementopt ]
+
+    [...]
+    3. Let iteratorRecord be Record {[[iterator]]: iterator, [[done]]: false}.
+    4. Let status be the result of performing
+       IteratorDestructuringAssignmentEvaluation of AssignmentElementList using
+       iteratorRecord as the argument.
+    5. If status is an abrupt completion, then
+       a. If iteratorRecord.[[done]] is false, return IteratorClose(iterator,
+          status).
+       b. Return Completion(status).
+
+    7.4.6 IteratorClose( iterator, completion )
+
+    [...]
+    6. Let innerResult be Call(return, iterator, « »).
+    7. If completion.[[type]] is throw, return Completion(completion).
+    8. If innerResult.[[type]] is throw, return Completion(innerResult).
+    9. If Type(innerResult.[[value]]) is not Object, throw a TypeError
+       exception.
+
+---*/
+var nextCount = 0;
+var returnCount = 0;
+var iterator = {
+  next: function() {
+    nextCount += 1;
+    return {done: false, value: undefined};
+  },
+  return: function() {
+    returnCount += 1;
+    return null;
+  }
+};
+var iterable = {};
+iterable[Symbol.iterator] = function() {
+  return iterator;
+};
+
+function* g() {
+
+var counter = 0;
+
+for ([ {} = yield , ] of [iterable]) {
+  
+  counter += 1;
+}
+
+assert.sameValue(counter, 1);
+
+}
+
+var iter = g();
+iter.next();
+
+assert.sameValue(nextCount, 1);
+assert.sameValue(returnCount, 0);
+assert.throws(TypeError, function() {
+  iter.return();
+});
+assert.sameValue(nextCount, 1);
+assert.sameValue(returnCount, 1);
+
+reportCompare(0, 0);