michael@0: // The debugger can eval in any frame in the stack even if every frame was
michael@0: // pushed in a different context.
michael@0: 
michael@0: var g = newGlobal();
michael@0: g.eval('function f(a) {\n' +
michael@0:        '    if (a == 1)\n' +
michael@0:        '        debugger;\n' +
michael@0:        '    else\n' +
michael@0:        '        evaluate("f(" + a + " - 1);", {newContext: true});\n' +
michael@0:        '}\n');
michael@0: var N = 9;
michael@0: 
michael@0: var dbg = new Debugger(g);
michael@0: var frames = [];
michael@0: var hits = 0;
michael@0: dbg.onEnterFrame = function (frame) {
michael@0:     if (frame.type == "call" && frame.callee.name == "f") {
michael@0:         frames.push(frame);
michael@0:         frame.onPop = function () { assertEq(frames.pop(), frame); };
michael@0:     }
michael@0: };
michael@0: dbg.onDebuggerStatement = function (frame) {
michael@0:     assertEq(frames.length, N);
michael@0:     var i = N;
michael@0:     for (var f of frames)
michael@0:         assertEq(f.eval('a').return, i--);
michael@0:     hits++;
michael@0: };
michael@0: 
michael@0: g.f(N);
michael@0: assertEq(hits, 1);
michael@0: assertEq(frames.length, 0);