1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/tests/non262/AsyncIterator/prototype/reduce/length.js b/js/src/tests/non262/AsyncIterator/prototype/reduce/length.js
new file mode 100644
index 0000000000..022df65164
--- /dev/null
+++ b/js/src/tests/non262/AsyncIterator/prototype/reduce/length.js
@@ -0,0 +1,17 @@
+// |reftest| skip-if(!this.hasOwnProperty('AsyncIterator')) 
+/*---
+  The `length` property of AsyncIterator.prototype.reduce.
+info: |
+  ES7 section 17: Unless otherwise specified, the length property of a built-in
+  Function object has the attributes { [[Writable]]: false, [[Enumerable]]:
+  false, [[Configurable]]: true }.
+---*/
+
+const propDesc = Reflect.getOwnPropertyDescriptor(AsyncIterator.prototype.reduce, 'length');
+assertEq(propDesc.value, 1);
+assertEq(propDesc.writable, false);
+assertEq(propDesc.enumerable, false);
+assertEq(propDesc.configurable, true);
+
+if (typeof reportCompare === 'function')
+  reportCompare(0, 0);