67 lines
2.3 KiB
Java
67 lines
2.3 KiB
Java
/*
|
|
* Copyright (c) 2021, Google LLC. 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.
|
|
*/
|
|
|
|
/*
|
|
* @test
|
|
* @bug 8273914
|
|
* @summary Indy string concat changes order of operations
|
|
*
|
|
* @clean *
|
|
* @compile -XDstringConcat=indy StringAppendEvaluatesInOrder.java
|
|
* @run main StringAppendEvaluatesInOrder
|
|
*
|
|
* @clean *
|
|
* @compile -XDstringConcat=indyWithConstants StringAppendEvaluatesInOrder.java
|
|
* @run main StringAppendEvaluatesInOrder
|
|
*
|
|
* @clean *
|
|
* @compile -XDstringConcat=inline StringAppendEvaluatesInOrder.java
|
|
* @run main StringAppendEvaluatesInOrder
|
|
*/
|
|
|
|
public class StringAppendEvaluatesInOrder {
|
|
static String test() {
|
|
StringBuilder builder = new StringBuilder("foo");
|
|
int i = 15;
|
|
return "Test: " + i + " " + (++i) + builder + builder.append("bar");
|
|
}
|
|
|
|
static String compoundAssignment() {
|
|
StringBuilder builder2 = new StringBuilder("foo");
|
|
Object oo = builder2;
|
|
oo += "" + builder2.append("bar");
|
|
return oo.toString();
|
|
}
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
assertEquals(test(), "Test: 15 16foofoobar");
|
|
assertEquals(compoundAssignment(), "foofoobar");
|
|
}
|
|
|
|
private static void assertEquals(String actual, String expected) {
|
|
if (!actual.equals(expected)) {
|
|
throw new AssertionError("expected: " + expected + ", actual: " + actual);
|
|
}
|
|
}
|
|
}
|