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 // The tracejit does not interfere with frame.onStep.

 //

 // The function f() writes 'L' to the log in a loop. If we enable stepping and

 // write an 's' each time frame.onStep is called, any two Ls should have at

 // least one 's' between them.

 var g = newGlobal();

 g.N = 11;

 g.log = '';

 g.eval("function f() {\n" +

        "    for (var i = 0; i <= N; i++)\n" +

        "        log += 'L';\n" +

        "}\n");

 g.f();

 assertEq(/LL/.exec(g.log) !== null, true);

 var dbg = Debugger(g);

 dbg.onEnterFrame = function (frame) {

     frame.onStep = function () { g.log += 's'; };

 };

 g.log = '';

 g.f();

 assertEq(/LL/.exec(g.log), null);