1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Frame-arguments-02.js b/js/src/jit-test/tests/debug/Frame-arguments-02.js
new file mode 100644
index 000000000..697ccccbf
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Frame-arguments-02.js
@@ -0,0 +1,19 @@
+// Object arguments.
+
+var g = newGlobal();
+var dbg = new Debugger(g);
+var hits = 0;
+dbg.onDebuggerStatement = function (frame) {
+    var args = frame.arguments;
+    assertEq(args, frame.arguments);
+    assertEq(args instanceof Array, true);
+    assertEq(args.length, 2);
+    assertEq(args[0] instanceof Debugger.Object, true);
+    assertEq(args[0].class, args[1]);
+    hits++;
+};
+
+g.eval("function f(obj, cls) { debugger; }");
+g.eval("f({}, 'Object');");
+g.eval("f(Date, 'Function');");
+assertEq(hits, 2);