1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/onEnterFrame-generator-10.js b/js/src/jit-test/tests/debug/onEnterFrame-generator-10.js
new file mode 100644
index 0000000000..32546dc4d1
--- /dev/null
+++ b/js/src/jit-test/tests/debug/onEnterFrame-generator-10.js
@@ -0,0 +1,17 @@
+// Bug 1556033. Test behavior of onEnterFrame "return" completion
+// values during explicit .next() calls.
+
+let g = newGlobal({newCompartment: true});
+g.eval(`function* f(x) { }`);
+let dbg = new Debugger(g);
+
+let it = g.f();
+
+dbg.onEnterFrame = () => ({ return: "exit" });
+const result = it.next();
+assertEq(result.value, "exit");
+assertEq(result.done, true);
+
+const result2 = it.next();
+assertEq(result2.value, undefined);
+assertEq(result2.done, true);