1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Promise/race/iter-returns-undefined-reject.js b/js/src/tests/test262/built-ins/Promise/race/iter-returns-undefined-reject.js
new file mode 100644
index 0000000000..1a8e034a33
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+++ b/js/src/tests/test262/built-ins/Promise/race/iter-returns-undefined-reject.js
@@ -0,0 +1,38 @@
+// |reftest| async
+// Copyright (C) 2018 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-promise.race
+description: >
+  Reject when argument's Symbol.iterator returns undefined
+info: |
+    ...
+    Let iteratorRecord be GetIterator(iterable).
+    IfAbruptRejectPromise(iteratorRecord, promiseCapability).
+    ...
+
+    #sec-getiterator
+    GetIterator ( obj [ , hint [ , method ] ] )
+
+    ...
+    Let iterator be ? Call(method, obj).
+    If Type(iterator) is not Object, throw a TypeError exception.
+    ...
+features: [Symbol.iterator]
+flags: [async]
+---*/
+
+try {
+  Promise.race({
+    [Symbol.iterator]() {
+      return undefined;
+    }
+  }).then(function() {
+    $DONE('The promise should be rejected, but was resolved');
+  }, function(error) {
+    assert(error instanceof TypeError);
+  }).then($DONE, $DONE);
+} catch (error) {
+  $DONE(`The promise should be rejected, but threw an exception: ${error.message}`);
+}