michael@0: // Upon returning to a frame with an onStep hook, the hook is called before the
michael@0: // next line.
michael@0: 
michael@0: var g = newGlobal();
michael@0: g.log = '';
michael@0: g.eval("function f() { debugger; }");
michael@0: 
michael@0: var dbg = Debugger(g);
michael@0: dbg.onDebuggerStatement = function (frame) {
michael@0:     frame.older.onStep = function () { g.log += 's'; };
michael@0: };
michael@0: g.eval("f();\n" +
michael@0:        "log += 'x';\n");
michael@0: assertEq(g.log.charAt(0), 's');