cross-global-getPrototypeOf.js

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// |reftest| skip-if(!xulRuntime.shell) -- needs newGlobal()

/*

 * Any copyright is dedicated to the Public Domain.

 * http://creativecommons.org/licenses/publicdomain/

*/

//-----------------------------------------------------------------------------

var BUGNUMBER = 770344;

var summary = "Object.getPrototypeOf behavior across compartments";

print(BUGNUMBER + ": " + summary);

/**************

 * BEGIN TEST *

 **************/

var other = newGlobal();

var getProto = Object.getPrototypeOf;

var otherGetProto = other.Object.getPrototypeOf;

var proto = {};

var obj = Object.create(proto);

assertEq(getProto(obj), proto);

assertEq(otherGetProto(obj), proto);

other.proto = proto;

var otherObj = other.evaluate("Object.create(proto)");

assertEq(getProto(otherObj), proto);

assertEq(otherGetProto(otherObj), proto);

var p = other.evaluate("({})");

var objOtherProto = Object.create(p);

assertEq(getProto(objOtherProto), p);

assertEq(otherGetProto(objOtherProto), p);

other.evaluate("var otherProto = { otherProto: 1 }; " +

               "var otherObj = Object.create(otherProto);");

assertEq(getProto(other.otherObj), other.otherProto);

assertEq(otherGetProto(other.otherObj), other.otherProto);

other.evaluate("var newOtherProto = { newOtherProto: 1 }; " +

               "otherObj.__proto__ = newOtherProto;");

assertEq(otherGetProto(other.otherObj), other.newOtherProto);

// TODO This assertion fails due to bug 764307

//assertEq(getProto(other.otherObj), other.newOtherProto);

/******************************************************************************/

if (typeof reportCompare === "function")

  reportCompare(true, true);

print("Tests complete");