1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/AsyncIteratorPrototype/Symbol.asyncIterator/prop-desc.js b/js/src/tests/test262/built-ins/AsyncIteratorPrototype/Symbol.asyncIterator/prop-desc.js
new file mode 100644
index 0000000000..54939cbf3b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/AsyncIteratorPrototype/Symbol.asyncIterator/prop-desc.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2018 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-asynciteratorprototype
+description: Property descriptor
+info: |
+    ECMAScript Standard Built-in Objects
+
+    Every other data property described in clauses 18 through 26 and in Annex
+    B.2 has the attributes { [[Writable]]: true, [[Enumerable]]: false,
+    [[Configurable]]: true } unless otherwise specified.
+features: [Symbol.asyncIterator, async-iteration]
+includes: [propertyHelper.js]
+---*/
+
+async function* generator() {}
+var AsyncIteratorPrototype = Object.getPrototypeOf(Object.getPrototypeOf(generator.prototype))
+
+assert.sameValue(typeof AsyncIteratorPrototype[Symbol.asyncIterator], 'function');
+
+verifyProperty(AsyncIteratorPrototype, Symbol.asyncIterator, {
+  enumerable: false,
+  writable: true,
+  configurable: true,
+});
+
+
+reportCompare(0, 0);