/*

 * Copyright (c) 2002, 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.

 *

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 */

/*

 * @test

 * @bug 7167125

 * @summary Two variables after the same operation in a inner class return

 * different results

 * @run main DiffResultAfterSameOperationInnerClasses

 */

public class DiffResultAfterSameOperationInnerClasses {

    public int i = 1;

    private int j = 1;

    public String s1 = "Hi, ";

    private String s2 = "Hi, ";

    public int arr1[] = new int[]{1};

    public int arr2[] = new int[]{1};

    public static void main(String[] args) {

        DiffResultAfterSameOperationInnerClasses theTest =

                new DiffResultAfterSameOperationInnerClasses();

        InnerClass inner = theTest.new InnerClass();

        if (!inner.test1()) {

            throw new AssertionError("Different results after same calculation");

        }

        theTest.resetVars();

        if (!inner.test2()) {

            throw new AssertionError("Different results after same calculation");

        }

    }

    void resetVars() {

        i = 1;

        j = 1;

        s1 = "Hi, ";

        s2 = "Hi, ";

        arr1[0] = 1;

        arr2[0] = 1;

    }

    class InnerClass {

        public boolean test1() {

            i += i += 1;

            j += j += 1;

            arr1[0] += arr1[0] += 1;

            arr2[0] += arr2[0] += 1;

            s1 += s1 += "dude";

            s2 += s2 += "dude";

            return (i == j && i == 3 &&

                    arr1[0] == arr2[0] && arr2[0] == 3 &&

                    s1.equals(s2) && s1.endsWith("Hi, Hi, dude"));

        }

        public boolean test2() {

            (i) += (i) += 1;

            (j) += (j) += 1;

            (arr1[0])+= (arr1[0]) += 1;

            (arr2[0])+= (arr2[0]) += 1;

            (s1) += (s1) += "dude";

            (s2) += (s2) += "dude";

            return (i == j && i == 3 &&

                    arr1[0] == arr2[0] && arr2[0] == 3 &&

                    s1.equals(s2) && s1.endsWith("Hi, Hi, dude"));

        }

    }

}