never@1831: /*
never@1831:  * Copyright 2010 Google, Inc.  All Rights Reserved.
never@1831:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
never@1831:  *
never@1831:  * This code is free software; you can redistribute it and/or modify it
never@1831:  * under the terms of the GNU General Public License version 2 only, as
never@1831:  * published by the Free Software Foundation.
never@1831:  *
never@1831:  * This code is distributed in the hope that it will be useful, but WITHOUT
never@1831:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
never@1831:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
never@1831:  * version 2 for more details (a copy is included in the LICENSE file that
never@1831:  * accompanied this code).
never@1831:  *
never@1831:  * You should have received a copy of the GNU General Public License version
never@1831:  * 2 along with this work; if not, write to the Free Software Foundation,
never@1831:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
never@1831:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
never@1831:  *
never@1831:  */
never@1831: 
never@1831: /*
never@1831:  * @test
never@1831:  * @bug 6946040
never@1831:  * @summary Tests Character/Short.reverseBytes and their intrinsics implementation in the server compiler
collins@4684:  * @run main/othervm -Xbatch -XX:CompileOnly=.testChar,.testShort TestCharShortByteSwap
never@1831:  */
never@1831: 
never@1831: // This test must run without any command line arguments.
never@1831: 
never@1831: public class TestCharShortByteSwap {
never@1831: 
never@1831:   private static short initShort(String[] args, short v) {
never@1831:     if (args.length > 0) {
never@1831:       try {
never@1831:         return (short) Integer.valueOf(args[0]).intValue();
never@1831:       } catch (NumberFormatException e) { }
never@1831:     }
never@1831:     return v;
never@1831:   }
never@1831: 
never@1831:   private static char initChar(String[] args, char v) {
never@1831:     if (args.length > 0) {
never@1831:       try {
never@1831:         return (char) Integer.valueOf(args[0]).intValue();
never@1831:       } catch (NumberFormatException e) { }
never@1831:     }
never@1831:     return v;
never@1831:   }
never@1831: 
never@1831:   private static void testChar(char a, char b) {
never@1831:     if (a != Character.reverseBytes(b)) {
never@1831:       throw new RuntimeException("FAIL: " + (int)a + " != Character.reverseBytes(" + (int)b + ")");
never@1831:     }
never@1831:     if (b != Character.reverseBytes(a)) {
never@1831:       throw new RuntimeException("FAIL: " + (int)b + " != Character.reverseBytes(" + (int)a + ")");
never@1831:     }
never@1831:   }
never@1831: 
never@1831:   private static void testShort(short a, short b) {
never@1831:     if (a != Short.reverseBytes(b)) {
never@1831:       throw new RuntimeException("FAIL: " + (int)a + " != Short.reverseBytes(" + (int)b + ")");
never@1831:     }
never@1831:     if (b != Short.reverseBytes(a)) {
never@1831:       throw new RuntimeException("FAIL: " + (int)b + " != Short.reverseBytes(" + (int)a + ")");
never@1831:     }
never@1831:   }
never@1831: 
never@1831:   public static void main(String[] args) {
never@1831:     for (int i = 0; i < 100000; ++i) { // Trigger compilation
never@1831:       char c1 = initChar(args, (char) 0x0123);
never@1831:       char c2 = initChar(args, (char) 0x2301);
never@1831:       char c3 = initChar(args, (char) 0xaabb);
never@1831:       char c4 = initChar(args, (char) 0xbbaa);
never@1831:       short s1 = initShort(args, (short) 0x0123);
never@1831:       short s2 = initShort(args, (short) 0x2301);
never@1831:       short s3 = initShort(args, (short) 0xaabb);
never@1831:       short s4 = initShort(args, (short) 0xbbaa);
never@1831:       testChar(c1, c2);
never@1831:       testChar(c3, c4);
never@1831:       testShort(s1, s2);
never@1831:       testShort(s3, s4);
never@1831:     }
never@1831:   }
never@1831: }