Object-proto.js - mozsearch

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// Debugger.Object.prototype.proto

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

var dbgeval = function () {

        var dbg = new Debugger(g);

        var hits = 0;

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

        var lastval;

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

        return function dbgeval(s) {

            g.eval("f(" + s + ");");

            return lastval;

};

    }();

var Op = dbgeval("Object.prototype");

assertEq(Op.proto, null);

assertEq(dbgeval("({})").proto, Op);

var Ap = dbgeval("[]").proto;

assertEq(Ap, dbgeval("Array.prototype"));

assertEq(Ap.proto, Op);

assertEq(dbgeval("Object").proto, dbgeval("Function.prototype"));