1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/tests/non262/Iterator/prototype/flatMap/length.js b/js/src/tests/non262/Iterator/prototype/flatMap/length.js
new file mode 100644
index 0000000000..d5f8a5021f
--- /dev/null
+++ b/js/src/tests/non262/Iterator/prototype/flatMap/length.js
@@ -0,0 +1,22 @@
+// |reftest| skip-if(!this.hasOwnProperty('Iterator'))
+//
+
+/*---
+esid: pending
+description: %Iterator.prototype%.flatMap length value and descriptor.
+info: >
+  17 ECMAScript Standard Built-in Objects
+includes: [propertyHelper.js]
+features: [Symbol.iterator]
+---*/
+
+assertEq(Iterator.prototype.flatMap.length, 1);
+
+const propertyDescriptor = Reflect.getOwnPropertyDescriptor(Iterator.prototype.flatMap, 'length');
+assertEq(propertyDescriptor.value, 1);
+assertEq(propertyDescriptor.enumerable, false);
+assertEq(propertyDescriptor.writable, false);
+assertEq(propertyDescriptor.configurable, true);
+
+if (typeof reportCompare == 'function')
+  reportCompare(0, 0);