Object-identity-03.js

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// The same object gets the same Debugger.Object wrapper at different times, if the difference would be observable.

var N = 12;

var g = newGlobal({newCompartment: true});

var dbg = Debugger(g);

var wrappers = [];

dbg.onDebuggerStatement = function (frame) { wrappers.push(frame.arguments[0]); };

g.eval("var originals = []; function f(x) { originals.push(x); debugger; }");

for (var i = 0; i < N; i++)

    g.eval("f({});");

assertEq(wrappers.length, N);

for (var i = 0; i < N; i++)

    for (var j = i + 1; j < N; j++)

        assertEq(wrappers[i] === wrappers[j], false);

gc();

dbg.onDebuggerStatement = function (frame) { assertEq(frame.arguments[0], wrappers.pop()); };

g.eval("function h(x) { debugger; }");

for (var i = 0; i < N; i++)

    g.eval("h(originals.pop());");

assertEq(wrappers.length, 0);