1 files changed, 9 insertions, 0 deletions
diff --git a/js/src/tests/non262/AsyncIterator/prototype/reduce/empty-iterator-without-initial-value-throws.js b/js/src/tests/non262/AsyncIterator/prototype/reduce/empty-iterator-without-initial-value-throws.js
new file mode 100644
index 0000000000..c54fccba20
--- /dev/null
+++ b/js/src/tests/non262/AsyncIterator/prototype/reduce/empty-iterator-without-initial-value-throws.js
@@ -0,0 +1,9 @@
+// |reftest| skip-if(!this.hasOwnProperty('AsyncIterator')) 
+
+async function* gen() {}
+gen().reduce((x, y) => x + y).then(() => assertEq(true, false, 'expected error'), err => {
+  assertEq(err instanceof TypeError, true);
+});
+
+if (typeof reportCompare === 'function')
+  reportCompare(0, 0);