michael@0: // The same object gets the same Debugger.Object wrapper at different times, if the difference would be observable.
michael@0: 
michael@0: var N = 12;
michael@0: 
michael@0: var g = newGlobal();
michael@0: var dbg = Debugger(g);
michael@0: var wrappers = [];
michael@0: 
michael@0: dbg.onDebuggerStatement = function (frame) { wrappers.push(frame.arguments[0]); };
michael@0: g.eval("var originals = []; function f(x) { originals.push(x); debugger; }");
michael@0: for (var i = 0; i < N; i++)
michael@0:     g.eval("f({});");
michael@0: assertEq(wrappers.length, N);
michael@0: 
michael@0: for (var i = 0; i < N; i++)
michael@0:     for (var j = i + 1; j < N; j++)
michael@0:         assertEq(wrappers[i] === wrappers[j], false);
michael@0: 
michael@0: gc();
michael@0: 
michael@0: dbg.onDebuggerStatement = function (frame) { assertEq(frame.arguments[0], wrappers.pop()); };
michael@0: g.eval("function h(x) { debugger; }");
michael@0: for (var i = 0; i < N; i++)
michael@0:     g.eval("h(originals.pop());");
michael@0: assertEq(wrappers.length, 0);