| /* |
| * Copyright 2010 Google, Inc. 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 6946040 |
| * @summary Tests Character/Short.reverseBytes and their intrinsics implementation in the server compiler |
| * @run main/othervm -Xbatch -XX:CompileOnly=.testChar,.testShort TestCharShortByteSwap |
| */ |
| |
| // This test must run without any command line arguments. |
| |
| public class TestCharShortByteSwap { |
| |
| private static short initShort(String[] args, short v) { |
| if (args.length > 0) { |
| try { |
| return (short) Integer.valueOf(args[0]).intValue(); |
| } catch (NumberFormatException e) { } |
| } |
| return v; |
| } |
| |
| private static char initChar(String[] args, char v) { |
| if (args.length > 0) { |
| try { |
| return (char) Integer.valueOf(args[0]).intValue(); |
| } catch (NumberFormatException e) { } |
| } |
| return v; |
| } |
| |
| private static void testChar(char a, char b) { |
| if (a != Character.reverseBytes(b)) { |
| throw new RuntimeException("FAIL: " + (int)a + " != Character.reverseBytes(" + (int)b + ")"); |
| } |
| if (b != Character.reverseBytes(a)) { |
| throw new RuntimeException("FAIL: " + (int)b + " != Character.reverseBytes(" + (int)a + ")"); |
| } |
| } |
| |
| private static void testShort(short a, short b) { |
| if (a != Short.reverseBytes(b)) { |
| throw new RuntimeException("FAIL: " + (int)a + " != Short.reverseBytes(" + (int)b + ")"); |
| } |
| if (b != Short.reverseBytes(a)) { |
| throw new RuntimeException("FAIL: " + (int)b + " != Short.reverseBytes(" + (int)a + ")"); |
| } |
| } |
| |
| public static void main(String[] args) { |
| for (int i = 0; i < 100000; ++i) { // Trigger compilation |
| char c1 = initChar(args, (char) 0x0123); |
| char c2 = initChar(args, (char) 0x2301); |
| char c3 = initChar(args, (char) 0xaabb); |
| char c4 = initChar(args, (char) 0xbbaa); |
| short s1 = initShort(args, (short) 0x0123); |
| short s2 = initShort(args, (short) 0x2301); |
| short s3 = initShort(args, (short) 0xaabb); |
| short s4 = initShort(args, (short) 0xbbaa); |
| testChar(c1, c2); |
| testChar(c3, c4); |
| testShort(s1, s2); |
| testShort(s3, s4); |
| } |
| } |
| } |