test/script/basic/JDK-8160034.js

/*
 * Copyright (c) 2016, 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-8160034: The `this` value in the `with` is broken by the repetition of a function call
 *
 * @test
 * @option --unstable-relink-threshold=4
 * @run
 */


var bar = "BAR";

function Foo() {
    this.bar = "bar";
    this.baz = "baz";
}

function foo_proto_h() {
    print(this.bar);
    delete Foo.prototype._h;
}

function foo_proto_e() {
    print(this.baz);
}

function _h() {
    print(this.bar);
    Foo.prototype._h = foo_proto_h;
}

Foo.prototype._e = foo_proto_e;
Foo.prototype._h = foo_proto_h;


var fn = new Function("with(this) { _h(); _e(); }");

for (var i = 0; i < 20; i++) {
    fn.call(new Foo());
}

for (var i = 0; i < 20; i++) {
    foo = new Foo();
    foo['e' + Math.random()] = 1; // force new map
    fn.call(foo);
}