michael@0: // The tracejit does not interfere with frame.onStep.
michael@0: //
michael@0: // The function f() writes 'L' to the log in a loop. If we enable stepping and
michael@0: // write an 's' each time frame.onStep is called, any two Ls should have at
michael@0: // least one 's' between them.
michael@0: 
michael@0: var g = newGlobal();
michael@0: g.N = 11;
michael@0: g.log = '';
michael@0: g.eval("function f() {\n" +
michael@0:        "    for (var i = 0; i <= N; i++)\n" +
michael@0:        "        log += 'L';\n" +
michael@0:        "}\n");
michael@0: g.f();
michael@0: assertEq(/LL/.exec(g.log) !== null, true);
michael@0: 
michael@0: var dbg = Debugger(g);
michael@0: dbg.onEnterFrame = function (frame) {
michael@0:     frame.onStep = function () { g.log += 's'; };
michael@0: };
michael@0: g.log = '';
michael@0: g.f();
michael@0: assertEq(/LL/.exec(g.log), null);