1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/tests/non262/AsyncIterator/prototype/flatMap/inner-generator.js b/js/src/tests/non262/AsyncIterator/prototype/flatMap/inner-generator.js
new file mode 100644
index 0000000000..08c0dfbba7
--- /dev/null
+++ b/js/src/tests/non262/AsyncIterator/prototype/flatMap/inner-generator.js
@@ -0,0 +1,36 @@
+// |reftest| skip-if(!this.hasOwnProperty('AsyncIterator'))
+
+//
+//
+/*---
+esid: pending
+description: %AsyncIterator.prototype%.flatMap innerIterator can be a generator.
+info: >
+  Iterator Helpers proposal 2.1.6.7
+features: [iterator-helpers]
+---*/
+
+async function* gen() {
+  yield 1;
+  yield 2;
+}
+
+(async () => {
+  const iter = gen().flatMap(async function*(x) {
+    yield x;
+    yield* [x + 1, x + 2];
+  });
+
+  for (const expected of [1, 2, 3, 2, 3, 4]) {
+    const result = await iter.next();
+    assertEq(result.value, expected);
+    assertEq(result.done, false);
+  }
+
+  const result = await iter.next();
+  assertEq(result.value, undefined);
+  assertEq(result.done, true);
+})();
+
+if (typeof reportCompare == 'function')
+  reportCompare(0, 0);