1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Frame-onStack-06.js b/js/src/jit-test/tests/debug/Frame-onStack-06.js
new file mode 100644
index 0000000000..8316da9b9e
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Frame-onStack-06.js
@@ -0,0 +1,26 @@
+// frame.onStack is false for generator frames after they return.
+
+let g = newGlobal({newCompartment: true});
+g.eval("function* f() { debugger; }");
+
+let dbg = Debugger(g);
+let savedFrame;
+
+dbg.onDebuggerStatement = frame => {
+    savedFrame = frame;
+    assertEq(frame.callee.name, "f");
+    assertEq(frame.onStack, true);
+    frame.onPop = function() {
+        assertEq(frame.onStack, true);
+    };
+};
+g.f().next();
+
+assertEq(savedFrame.onStack, false);
+try {
+    savedFrame.older;
+    throw new Error("expected exception, none thrown");
+} catch (exc) {
+    assertEq(exc.message, "Debugger.Frame is not on stack or suspended");
+}
+