1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/tests/test262/harness/verifyProperty-undefined-desc.js b/js/src/tests/test262/harness/verifyProperty-undefined-desc.js
new file mode 100644
index 0000000000..0e0daed8b0
--- /dev/null
+++ b/js/src/tests/test262/harness/verifyProperty-undefined-desc.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2017 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  Verify an undefined descriptor
+includes: [propertyHelper.js]
+---*/
+var sample = {
+  bar: undefined,
+  get baz() {}
+};
+
+assert.sameValue(
+  verifyProperty(sample, "foo", undefined),
+  true,
+  "returns true if desc and property descriptor are both undefined"
+);
+
+assert.throws(Test262Error, () => {
+  verifyProperty(sample, 'bar', undefined);
+}, "dataDescriptor value is undefined");
+
+assert.throws(Test262Error, () => {
+  verifyProperty(sample, 'baz', undefined);
+}, "accessor returns undefined");
+
+reportCompare(0, 0);