nashorn/test/script/basic/JDK-8047764.js

/*
 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 * 
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 * 
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 * 
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 */

/**
 * JDK-8047764: Indexed or polymorphic set on global affects Object.prototype
 *
 * @test
 * @run
 */

// Test global set operation on properties defined in Object.prototype

Object.defineProperty(Object.prototype, "prop1", { get: function() { return 1; }, set: function(v) { print("setting prop1: " + v); }});
Object.defineProperty(Object.prototype, "prop2", { value: 1, writable: false, configurable: false });

try {
    prop1 = 1;
    print("prop 1: " + prop2);
} catch (e) {
    print(e.name);
}

try {
    prop2 = 2;
    print("prop 2: " + prop2);
} catch (e) {
    print(e.name);
}

// Make sure various ways of setting global toString don't affect Object.prototype.toString

function checkToString() {
    print(global);
    print(Object.prototype);
    print(global.toString === Object.prototype.toString);
    print(objProtoToString === Object.prototype.toString);
}

var global = this;
var objProtoToString = Object.prototype.toString;
global["toString"] = function() { return "global toString 1"; };
checkToString();
global.toString = function() { return "global toString 2"; };
checkToString();
toString = function() { return "global toString 3"; };
checkToString();

// Test setters on 'with' object

var p = { prop3: 3, toString: function() { return "[object p]"; }};
Object.defineProperty(p, "prop4", { get: function() { print("get", this); return 4; }, set: function(v) { print("set", this, v); }});
var o = Object.create(p);
o.toString = function() { return "[object o]"; };

with(o) {
    (function() {
        var m = 5;
        (function() {
            print(prop3);
            prop3 = m;
            print(prop3);
            print(prop4);
            prop4 = m;
            print(prop4);
        })();
    })();
}

print(o.hasOwnProperty("prop3"));
print(o.prop3);
print(p.prop3);
print(o.hasOwnProperty("prop4"));
print(o.prop4);
print(p.prop4);