1 files changed, 47 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Frame-callee-04.js b/js/src/jit-test/tests/debug/Frame-callee-04.js
new file mode 100644
index 0000000000..a260b7d9e6
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Frame-callee-04.js
@@ -0,0 +1,47 @@
+// Frame.prototype.callee for an async generator function frame.
+
+load(libdir + "asserts.js");
+
+var g = newGlobal({ newCompartment: true });
+var dbg = new Debugger(g);
+g.eval(`
+async function* f() { await Promise.resolve(); }
+`);
+
+const fObj = dbg.makeGlobalObjectReference(g).makeDebuggeeValue(g.f);
+let frame;
+let callee;
+dbg.onEnterFrame = function(f) {
+  frame = f;
+  callee = frame.callee;
+};
+
+const it = g.f();
+
+assertEq(frame instanceof Debugger.Frame, true);
+assertEq(callee instanceof Debugger.Object, true);
+assertEq(callee, fObj);
+assertEq(frame.callee, callee);
+
+let lastFrame = frame;
+let lastCallee = callee;
+frame = null;
+callee = null;
+
+const promise = it.next();
+
+assertEq(callee, fObj);
+assertEq(frame.callee, callee);
+
+lastFrame = frame;
+lastCallee = callee;
+frame = null;
+callee = null;
+
+promise.then(() => {
+  assertEq(frame, lastFrame);
+  assertEq(callee, lastCallee);
+
+  // The frame has finished evaluating, so the callee is no longer accessible.
+  assertThrowsInstanceOf(() => frame.callee, Error);
+});