1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/promise/settle-async-generator.js b/js/src/jit-test/tests/promise/settle-async-generator.js
new file mode 100644
index 0000000000..bdc9fcb51c
--- /dev/null
+++ b/js/src/jit-test/tests/promise/settle-async-generator.js
@@ -0,0 +1,23 @@
+// Force resolving/rejecting Promises returned by async generator's methods
+// should fail.
+
+load(libdir + "asserts.js");
+
+async function* f() {
+  yield 1;
+}
+
+let p = f().next();
+assertThrowsInstanceOf(() => {
+  settlePromiseNow(p);
+}, Error);
+
+p = f().next();
+assertThrowsInstanceOf(() => {
+  resolvePromise(p);
+}, Error);
+
+p = f().next();
+assertThrowsInstanceOf(() => {
+  rejectPromise(p);
+}, Error);