The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/tests/ecma_5/extensions/__proto__.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,53 @@
     1.4 +/*
     1.5 + * Any copyright is dedicated to the Public Domain.
     1.6 + * http://creativecommons.org/licenses/publicdomain/
     1.7 + */
     1.8 +
     1.9 +var gTestfile = '__proto__.js';
    1.10 +var BUGNUMBER = 770344;
    1.11 +var summary = "__proto__ as accessor";
    1.12 +
    1.13 +print(BUGNUMBER + ": " + summary);
    1.14 +
    1.15 +/**************
    1.16 + * BEGIN TEST *
    1.17 + **************/
    1.18 +
    1.19 +var protoDesc = Object.getOwnPropertyDescriptor(Object.prototype, "__proto__");
    1.20 +assertEq(protoDesc !== null, true);
    1.21 +assertEq(typeof protoDesc, "object");
    1.22 +assertEq(protoDesc.hasOwnProperty("get"), true);
    1.23 +assertEq(protoDesc.hasOwnProperty("set"), true);
    1.24 +assertEq(protoDesc.hasOwnProperty("enumerable"), true);
    1.25 +assertEq(protoDesc.hasOwnProperty("configurable"), true);
    1.26 +assertEq(protoDesc.hasOwnProperty("value"), false);
    1.27 +assertEq(protoDesc.hasOwnProperty("writable"), false);
    1.28 +
    1.29 +assertEq(protoDesc.configurable, true);
    1.30 +assertEq(protoDesc.enumerable, false);
    1.31 +assertEq(typeof protoDesc.get, "function", protoDesc.get + "");
    1.32 +assertEq(typeof protoDesc.set, "function", protoDesc.set + "");
    1.33 +
    1.34 +assertEq(delete Object.prototype.__proto__, true);
    1.35 +assertEq(Object.getOwnPropertyDescriptor(Object.prototype, "__proto__"),
    1.36 +         undefined);
    1.37 +
    1.38 +var obj = {};
    1.39 +obj.__proto__ = 5;
    1.40 +assertEq(Object.getPrototypeOf(obj), Object.prototype);
    1.41 +assertEq(obj.hasOwnProperty("__proto__"), true);
    1.42 +
    1.43 +var desc = Object.getOwnPropertyDescriptor(obj, "__proto__");
    1.44 +assertEq(desc !== null, true);
    1.45 +assertEq(typeof desc, "object");
    1.46 +assertEq(desc.value, 5);
    1.47 +assertEq(desc.writable, true);
    1.48 +assertEq(desc.enumerable, true);
    1.49 +assertEq(desc.configurable, true);
    1.50 +
    1.51 +/******************************************************************************/
    1.52 +
    1.53 +if (typeof reportCompare === "function")
    1.54 +  reportCompare(true, true);
    1.55 +
    1.56 +print("Tests complete");