Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: test/compiler/6946040/TestCharShortByteSwap.java
test/compiler/6946040/TestCharShortByteSwap.java
- changeset 1831
- d7f654633cfe
- child 1907
- c18cbe5936b8
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| 1820:bc32f286fae0 | 1831:d7f654633cfe |
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| 1 /* | |
| 2 * Copyright 2010 Google, 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 /* | |
| 26 * @test | |
| 27 * @bug 6946040 | |
| 28 * @summary Tests Character/Short.reverseBytes and their intrinsics implementation in the server compiler | |
| 29 * @run main/othervm -Xbatch -server -XX:CompileOnly=.testChar,.testShort TestCharShortByteSwap | |
| 30 */ | |
| 31 | |
| 32 // This test must run without any command line arguments. | |
| 33 | |
| 34 public class TestCharShortByteSwap { | |
| 35 | |
| 36 private static short initShort(String[] args, short v) { | |
| 37 if (args.length > 0) { | |
| 38 try { | |
| 39 return (short) Integer.valueOf(args[0]).intValue(); | |
| 40 } catch (NumberFormatException e) { } | |
| 41 } | |
| 42 return v; | |
| 43 } | |
| 44 | |
| 45 private static char initChar(String[] args, char v) { | |
| 46 if (args.length > 0) { | |
| 47 try { | |
| 48 return (char) Integer.valueOf(args[0]).intValue(); | |
| 49 } catch (NumberFormatException e) { } | |
| 50 } | |
| 51 return v; | |
| 52 } | |
| 53 | |
| 54 private static void testChar(char a, char b) { | |
| 55 if (a != Character.reverseBytes(b)) { | |
| 56 throw new RuntimeException("FAIL: " + (int)a + " != Character.reverseBytes(" + (int)b + ")"); | |
| 57 } | |
| 58 if (b != Character.reverseBytes(a)) { | |
| 59 throw new RuntimeException("FAIL: " + (int)b + " != Character.reverseBytes(" + (int)a + ")"); | |
| 60 } | |
| 61 } | |
| 62 | |
| 63 private static void testShort(short a, short b) { | |
| 64 if (a != Short.reverseBytes(b)) { | |
| 65 throw new RuntimeException("FAIL: " + (int)a + " != Short.reverseBytes(" + (int)b + ")"); | |
| 66 } | |
| 67 if (b != Short.reverseBytes(a)) { | |
| 68 throw new RuntimeException("FAIL: " + (int)b + " != Short.reverseBytes(" + (int)a + ")"); | |
| 69 } | |
| 70 } | |
| 71 | |
| 72 public static void main(String[] args) { | |
| 73 for (int i = 0; i < 100000; ++i) { // Trigger compilation | |
| 74 char c1 = initChar(args, (char) 0x0123); | |
| 75 char c2 = initChar(args, (char) 0x2301); | |
| 76 char c3 = initChar(args, (char) 0xaabb); | |
| 77 char c4 = initChar(args, (char) 0xbbaa); | |
| 78 short s1 = initShort(args, (short) 0x0123); | |
| 79 short s2 = initShort(args, (short) 0x2301); | |
| 80 short s3 = initShort(args, (short) 0xaabb); | |
| 81 short s4 = initShort(args, (short) 0xbbaa); | |
| 82 testChar(c1, c2); | |
| 83 testChar(c3, c4); | |
| 84 testShort(s1, s2); | |
| 85 testShort(s3, s4); | |
| 86 } | |
| 87 } | |
| 88 } |
