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test/tools/javac/7167125/DiffResultAfterSameOperationInnerClasses.java@2eb010b6cb22 (annotated)

test/tools/javac/7167125/DiffResultAfterSameOperationInnerClasses.java

Thu, 31 Aug 2017 15:17:03 +0800

author

aoqi

date

Thu, 31 Aug 2017 15:17:03 +0800

changeset 2525

2eb010b6cb22

parent 1621

823fb9229724

parent 0

959103a6100f

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*/
aoqi@0	23
aoqi@0	24	/*
aoqi@0	25	* @test
aoqi@0	26	* @bug 7167125
aoqi@0	27	* @summary Two variables after the same operation in a inner class return
aoqi@0	28	* different results
aoqi@0	29	* @run main DiffResultAfterSameOperationInnerClasses
aoqi@0	30	*/
aoqi@0	31
aoqi@0	32	public class DiffResultAfterSameOperationInnerClasses {
aoqi@0	33	public int i = 1;
aoqi@0	34	private int j = 1;
aoqi@0	35	public String s1 = "Hi, ";
aoqi@0	36	private String s2 = "Hi, ";
aoqi@0	37	public int arr1[] = new int[]{1};
aoqi@0	38	public int arr2[] = new int[]{1};
aoqi@0	39
aoqi@0	40	public static void main(String[] args) {
aoqi@0	41	DiffResultAfterSameOperationInnerClasses theTest =
aoqi@0	42	new DiffResultAfterSameOperationInnerClasses();
aoqi@0	43	InnerClass inner = theTest.new InnerClass();
aoqi@0	44	if (!inner.test1()) {
aoqi@0	45	throw new AssertionError("Different results after same calculation");
aoqi@0	46	}
aoqi@0	47
aoqi@0	48	theTest.resetVars();
aoqi@0	49	if (!inner.test2()) {
aoqi@0	50	throw new AssertionError("Different results after same calculation");
aoqi@0	51	}
aoqi@0	52	}
aoqi@0	53
aoqi@0	54	void resetVars() {
aoqi@0	55	i = 1;
aoqi@0	56	j = 1;
aoqi@0	57	s1 = "Hi, ";
aoqi@0	58	s2 = "Hi, ";
aoqi@0	59	arr1[0] = 1;
aoqi@0	60	arr2[0] = 1;
aoqi@0	61	}
aoqi@0	62
aoqi@0	63	class InnerClass {
aoqi@0	64	public boolean test1() {
aoqi@0	65	i += i += 1;
aoqi@0	66	j += j += 1;
aoqi@0	67
aoqi@0	68	arr1[0] += arr1[0] += 1;
aoqi@0	69	arr2[0] += arr2[0] += 1;
aoqi@0	70
aoqi@0	71	s1 += s1 += "dude";
aoqi@0	72	s2 += s2 += "dude";
aoqi@0	73
aoqi@0	74	return (i == j && i == 3 &&
aoqi@0	75	arr1[0] == arr2[0] && arr2[0] == 3 &&
aoqi@0	76	s1.equals(s2) && s1.endsWith("Hi, Hi, dude"));
aoqi@0	77	}
aoqi@0	78
aoqi@0	79	public boolean test2() {
aoqi@0	80	(i) += (i) += 1;
aoqi@0	81	(j) += (j) += 1;
aoqi@0	82
aoqi@0	83	(arr1[0])+= (arr1[0]) += 1;
aoqi@0	84	(arr2[0])+= (arr2[0]) += 1;
aoqi@0	85
aoqi@0	86	(s1) += (s1) += "dude";
aoqi@0	87	(s2) += (s2) += "dude";
aoqi@0	88
aoqi@0	89	return (i == j && i == 3 &&
aoqi@0	90	arr1[0] == arr2[0] && arr2[0] == 3 &&
aoqi@0	91	s1.equals(s2) && s1.endsWith("Hi, Hi, dude"));
aoqi@0	92	}
aoqi@0	93	}
aoqi@0	94	}