michael@0: // Simple Debugger.Frame.prototype.onStep test.
michael@0: // Test that onStep fires often enough to see all four values of a.
michael@0: 
michael@0: var g = newGlobal();
michael@0: g.a = 0;
michael@0: g.eval("function f() {\n" +
michael@0:        "    a += 2;\n" +
michael@0:        "    a += 2;\n" +
michael@0:        "    a += 2;\n" +
michael@0:        "    return a;\n" +
michael@0:        "}\n");
michael@0: 
michael@0: var dbg = Debugger(g);
michael@0: var seen = [0, 0, 0, 0, 0, 0, 0];
michael@0: dbg.onEnterFrame = function (frame) {
michael@0:     frame.onStep = function () {
michael@0:         assertEq(arguments.length, 0);
michael@0:         assertEq(this, frame);
michael@0:         seen[g.a] = 1;
michael@0:     };
michael@0: }
michael@0: 
michael@0: g.f();
michael@0: assertEq(seen.join(""), "1010101");