Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/ShiftExpressionTest.java
test/tools/javac/ShiftExpressionTest.java
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| 1 /* | |
| 2 * Copyright 1997-1998 Sun Microsystems, Inc. All Rights Reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 */ | |
| 23 | |
| 24 /* | |
| 25 * @test | |
| 26 * @bug 4082814 | |
| 27 * @summary Constant shift expressions whose left operands were of type | |
| 28 * long were previously not evaluated correctly at compile-time. | |
| 29 * This is for the most part invisible, but it can be detected | |
| 30 * with the following test after 1.2beta1. | |
| 31 * @author turnidge | |
| 32 * | |
| 33 * @compile ShiftExpressionTest.java | |
| 34 * @run main ShiftExpressionTest | |
| 35 */ | |
| 36 | |
| 37 public class ShiftExpressionTest { | |
| 38 public static void main(String[] args) throws Exception { | |
| 39 String s = "" + (0x0101L << 2) + (0x0101L >> 2) + (0x0101L >>> 2); | |
| 40 if (s.indexOf("null",0) != -1) { | |
| 41 throw new Exception( | |
| 42 "incorrect compile-time evaluation of shift"); | |
| 43 } | |
| 44 } | |
| 45 } |
