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-rw-r--r--js/src/jit-test/tests/debug/Frame-arguments-07.js23
1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Frame-arguments-07.js b/js/src/jit-test/tests/debug/Frame-arguments-07.js
new file mode 100644
index 000000000..29d6d975d
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Frame-arguments-07.js
@@ -0,0 +1,23 @@
+// When argument[x] is assigned, where x > callee.length, frame.arguments reflects the change.
+
+var g = newGlobal();
+g.eval("function f(a, b) {\n" +
+ " for (var i = 0; i < arguments.length; i++)\n" +
+ " arguments[i] = i;\n" +
+ " debugger;\n" +
+ "}\n");
+
+var dbg = Debugger(g);
+var hits = 0;
+dbg.onDebuggerStatement = function (frame) {
+ var argc = frame.eval("arguments.length").return;
+ var args = frame.arguments;
+ assertEq(args.length, argc);
+ for (var i = 0; i < argc; i++)
+ assertEq(args[i], i);
+ hits++;
+}
+
+g.f(9);
+g.f(9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9);
+assertEq(hits, 2);