Thu, 29 Nov 2012 11:30:04 -0800
Added tag jdk8-b66 for changeset 01684f7fee1b
never@1831 | 1 | /* |
never@1831 | 2 | * Copyright 2010 Google, Inc. All Rights Reserved. |
never@1831 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
never@1831 | 4 | * |
never@1831 | 5 | * This code is free software; you can redistribute it and/or modify it |
never@1831 | 6 | * under the terms of the GNU General Public License version 2 only, as |
never@1831 | 7 | * published by the Free Software Foundation. |
never@1831 | 8 | * |
never@1831 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
never@1831 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
never@1831 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
never@1831 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
never@1831 | 13 | * accompanied this code). |
never@1831 | 14 | * |
never@1831 | 15 | * You should have received a copy of the GNU General Public License version |
never@1831 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
never@1831 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
never@1831 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
never@1831 | 22 | * |
never@1831 | 23 | */ |
never@1831 | 24 | |
never@1831 | 25 | /* |
never@1831 | 26 | * @test |
never@1831 | 27 | * @bug 6946040 |
never@1831 | 28 | * @summary Tests Character/Short.reverseBytes and their intrinsics implementation in the server compiler |
never@1831 | 29 | * @run main/othervm -Xbatch -server -XX:CompileOnly=.testChar,.testShort TestCharShortByteSwap |
never@1831 | 30 | */ |
never@1831 | 31 | |
never@1831 | 32 | // This test must run without any command line arguments. |
never@1831 | 33 | |
never@1831 | 34 | public class TestCharShortByteSwap { |
never@1831 | 35 | |
never@1831 | 36 | private static short initShort(String[] args, short v) { |
never@1831 | 37 | if (args.length > 0) { |
never@1831 | 38 | try { |
never@1831 | 39 | return (short) Integer.valueOf(args[0]).intValue(); |
never@1831 | 40 | } catch (NumberFormatException e) { } |
never@1831 | 41 | } |
never@1831 | 42 | return v; |
never@1831 | 43 | } |
never@1831 | 44 | |
never@1831 | 45 | private static char initChar(String[] args, char v) { |
never@1831 | 46 | if (args.length > 0) { |
never@1831 | 47 | try { |
never@1831 | 48 | return (char) Integer.valueOf(args[0]).intValue(); |
never@1831 | 49 | } catch (NumberFormatException e) { } |
never@1831 | 50 | } |
never@1831 | 51 | return v; |
never@1831 | 52 | } |
never@1831 | 53 | |
never@1831 | 54 | private static void testChar(char a, char b) { |
never@1831 | 55 | if (a != Character.reverseBytes(b)) { |
never@1831 | 56 | throw new RuntimeException("FAIL: " + (int)a + " != Character.reverseBytes(" + (int)b + ")"); |
never@1831 | 57 | } |
never@1831 | 58 | if (b != Character.reverseBytes(a)) { |
never@1831 | 59 | throw new RuntimeException("FAIL: " + (int)b + " != Character.reverseBytes(" + (int)a + ")"); |
never@1831 | 60 | } |
never@1831 | 61 | } |
never@1831 | 62 | |
never@1831 | 63 | private static void testShort(short a, short b) { |
never@1831 | 64 | if (a != Short.reverseBytes(b)) { |
never@1831 | 65 | throw new RuntimeException("FAIL: " + (int)a + " != Short.reverseBytes(" + (int)b + ")"); |
never@1831 | 66 | } |
never@1831 | 67 | if (b != Short.reverseBytes(a)) { |
never@1831 | 68 | throw new RuntimeException("FAIL: " + (int)b + " != Short.reverseBytes(" + (int)a + ")"); |
never@1831 | 69 | } |
never@1831 | 70 | } |
never@1831 | 71 | |
never@1831 | 72 | public static void main(String[] args) { |
never@1831 | 73 | for (int i = 0; i < 100000; ++i) { // Trigger compilation |
never@1831 | 74 | char c1 = initChar(args, (char) 0x0123); |
never@1831 | 75 | char c2 = initChar(args, (char) 0x2301); |
never@1831 | 76 | char c3 = initChar(args, (char) 0xaabb); |
never@1831 | 77 | char c4 = initChar(args, (char) 0xbbaa); |
never@1831 | 78 | short s1 = initShort(args, (short) 0x0123); |
never@1831 | 79 | short s2 = initShort(args, (short) 0x2301); |
never@1831 | 80 | short s3 = initShort(args, (short) 0xaabb); |
never@1831 | 81 | short s4 = initShort(args, (short) 0xbbaa); |
never@1831 | 82 | testChar(c1, c2); |
never@1831 | 83 | testChar(c3, c4); |
never@1831 | 84 | testShort(s1, s2); |
never@1831 | 85 | testShort(s3, s4); |
never@1831 | 86 | } |
never@1831 | 87 | } |
never@1831 | 88 | } |