vromero@1557: /*
vromero@1557:  * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
vromero@1557:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
vromero@1557:  *
vromero@1557:  * This code is free software; you can redistribute it and/or modify it
vromero@1557:  * under the terms of the GNU General Public License version 2 only, as
vromero@1557:  * published by the Free Software Foundation.
vromero@1557:  *
vromero@1557:  * This code is distributed in the hope that it will be useful, but WITHOUT
vromero@1557:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
vromero@1557:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
vromero@1557:  * version 2 for more details (a copy is included in the LICENSE file that
vromero@1557:  * accompanied this code).
vromero@1557:  *
vromero@1557:  * You should have received a copy of the GNU General Public License version
vromero@1557:  * 2 along with this work; if not, write to the Free Software Foundation,
vromero@1557:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
vromero@1557:  *
vromero@1557:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
vromero@1557:  * or visit www.oracle.com if you need additional information or have any
vromero@1557:  * questions.
vromero@1557:  */
vromero@1557: 
vromero@1557: /*
vromero@1557:  * @test
vromero@1557:  * @bug 7167125
vromero@1557:  * @summary Two variables after the same operation in a inner class return
vromero@1557:  * different results
vromero@1557:  * @run main DiffResultAfterSameOperationInnerClasses
vromero@1557:  */
vromero@1557: 
vromero@1557: public class DiffResultAfterSameOperationInnerClasses {
vromero@1557:     public int i = 1;
vromero@1557:     private int j = 1;
vromero@1557:     public String s1 = "Hi, ";
vromero@1557:     private String s2 = "Hi, ";
vromero@1621:     public int arr1[] = new int[]{1};
vromero@1621:     public int arr2[] = new int[]{1};
vromero@1557: 
vromero@1557:     public static void main(String[] args) {
vromero@1621:         DiffResultAfterSameOperationInnerClasses theTest =
vromero@1621:                 new DiffResultAfterSameOperationInnerClasses();
vromero@1621:         InnerClass inner = theTest.new InnerClass();
vromero@1621:         if (!inner.test1()) {
vromero@1621:             throw new AssertionError("Different results after same calculation");
vromero@1621:         }
vromero@1621: 
vromero@1621:         theTest.resetVars();
vromero@1621:         if (!inner.test2()) {
vromero@1557:             throw new AssertionError("Different results after same calculation");
vromero@1557:         }
vromero@1557:     }
vromero@1557: 
vromero@1621:     void resetVars() {
vromero@1621:         i = 1;
vromero@1621:         j = 1;
vromero@1621:         s1 = "Hi, ";
vromero@1621:         s2 = "Hi, ";
vromero@1621:         arr1[0] = 1;
vromero@1621:         arr2[0] = 1;
vromero@1621:     }
vromero@1621: 
vromero@1557:     class InnerClass {
vromero@1621:         public boolean test1() {
vromero@1557:             i += i += 1;
vromero@1557:             j += j += 1;
vromero@1557: 
vromero@1621:             arr1[0] += arr1[0] += 1;
vromero@1621:             arr2[0] += arr2[0] += 1;
vromero@1621: 
vromero@1557:             s1 += s1 += "dude";
vromero@1557:             s2 += s2 += "dude";
vromero@1557: 
vromero@1621:             return (i == j && i == 3 &&
vromero@1621:                     arr1[0] == arr2[0] && arr2[0] == 3 &&
vromero@1621:                     s1.equals(s2) && s1.endsWith("Hi, Hi, dude"));
vromero@1621:         }
vromero@1621: 
vromero@1621:         public boolean test2() {
vromero@1621:             (i) += (i) += 1;
vromero@1621:             (j) += (j) += 1;
vromero@1621: 
vromero@1621:             (arr1[0])+= (arr1[0]) += 1;
vromero@1621:             (arr2[0])+= (arr2[0]) += 1;
vromero@1621: 
vromero@1621:             (s1) += (s1) += "dude";
vromero@1621:             (s2) += (s2) += "dude";
vromero@1557: 
vromero@1557:             return (i == j && i == 3 &&
vromero@1621:                     arr1[0] == arr2[0] && arr2[0] == 3 &&
vromero@1557:                     s1.equals(s2) && s1.endsWith("Hi, Hi, dude"));
vromero@1557:         }
vromero@1557:     }
vromero@1557: }