test/script/basic/JDK-8025434.js

/*
 * Copyright (c) 2010, 2013, 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.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/**
 * JDK-8025434: RegExp lastIndex can exceed int range
 *
 * @test
 * @run
 */

var r = /a/g;

r.lastIndex = 0x100000000;
if (r.test("a")) {
    throw new Error("Expected no match");
}

r.lastIndex = 0x100000000000000;
if (r.test("a")) {
    throw new Error("Expected no match");
}

r.lastIndex = -0x100000000;
if (r.test("a")) {
    throw new Error("Expected match");
}

r.lastIndex = -0x100000000000000;
if (r.test("a")) {
    throw new Error("Expected no match");
}

r.lastIndex = 1;
if (r.test("a")) {
    throw new Error("Expected no match");
}

r.lastIndex = -1;
if (r.test("a")) {
    throw new Error("Expected no match");
}

r.lastIndex = 0;
if (!r.test("a")) {
    throw new Error("Expected match");
}