1 files changed, 39 insertions, 0 deletions
diff --git a/js/src/tests/non262/AsyncIterator/prototype/drop/drop-more-than-available.js b/js/src/tests/non262/AsyncIterator/prototype/drop/drop-more-than-available.js
new file mode 100644
index 0000000000..45e0f91559
--- /dev/null
+++ b/js/src/tests/non262/AsyncIterator/prototype/drop/drop-more-than-available.js
@@ -0,0 +1,39 @@
+// |reftest| skip-if(!this.hasOwnProperty('AsyncIterator'))
+
+//
+//
+/*---
+esid: pending
+description: %AsyncIterator.prototype%.drop returns if the iterator is done.
+info: >
+  Iterator Helpers proposal 2.1.6.5
+  1. Repeat, while remaining > 0,
+    ...
+    b. Let next be ? Await(? IteratorStep(iterated)).
+    c. If ? IteratorComplete(next) is true, return undefined.
+features: [iterator-helpers]
+---*/
+
+class TestIterator extends AsyncIterator {
+  counter = 0;
+  async next() {
+    return {done: ++this.counter >= 2, value: undefined};
+  }
+}
+
+(async () => {
+  let iter = [1, 2].values().drop(3);
+  let result = await iter.next();
+  assertEq(result.value, undefined);
+  assertEq(result.done, true);
+
+  iter = new TestIterator();
+  let dropped = iter.drop(10);
+  result = await dropped.next();
+  assertEq(result.value, undefined);
+  assertEq(result.done, true);
+  assertEq(iter.counter, 2);
+})();
+
+if (typeof reportCompare == 'function')
+  reportCompare(0, 0);