1 files changed, 57 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/assignment/dstr/array-elision-iter-nrml-close-null.js b/js/src/tests/test262/language/expressions/assignment/dstr/array-elision-iter-nrml-close-null.js
new file mode 100644
index 0000000000..e6a3dd180c
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/assignment/dstr/array-elision-iter-nrml-close-null.js
@@ -0,0 +1,57 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-assignment/array-elision-iter-nrml-close-null.case
+// - src/dstr-assignment/error/assignment-expr.template
+/*---
+description: IteratorClose throws a TypeError when `return` returns a non-Object value (AssignmentExpression)
+esid: sec-variable-statement-runtime-semantics-evaluation
+features: [Symbol.iterator, destructuring-binding]
+flags: [generated]
+info: |
+    VariableDeclaration : BindingPattern Initializer
+
+    1. Let rhs be the result of evaluating Initializer.
+    2. Let rval be GetValue(rhs).
+    3. ReturnIfAbrupt(rval).
+    4. Return the result of performing BindingInitialization for
+       BindingPattern passing rval and undefined as arguments.
+
+    ArrayAssignmentPattern : [ Elision ]
+
+    1. Let iterator be GetIterator(value).
+    [...]
+    5. If iteratorRecord.[[done]] is false, return IteratorClose(iterator,
+       result).
+    [...]
+
+    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 iterable = {};
+var nextCount = 0;
+var iterator = {
+  next: function() {
+    nextCount += 1;
+    // Set an upper-bound to limit unnecessary iteration in non-conformant
+    // implementations
+    return { done: nextCount > 10 };
+  },
+  return: function() {
+    return null;
+  }
+};
+iterable[Symbol.iterator] = function() {
+  return iterator;
+};
+
+assert.throws(TypeError, function() {
+  0, [ , ] = iterable;
+});
+
+reportCompare(0, 0);