aoqi@0: /*
aoqi@0:  * Copyright 2010 Google, Inc.  All Rights Reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  *
aoqi@0:  */
aoqi@0: 
aoqi@0: /*
aoqi@0:  * @test
aoqi@0:  * @bug 6946040
aoqi@0:  * @summary Tests Character/Short.reverseBytes and their intrinsics implementation in the server compiler
aoqi@0:  * @run main/othervm -Xbatch -XX:CompileOnly=.testChar,.testShort TestCharShortByteSwap
aoqi@0:  */
aoqi@0: 
aoqi@0: // This test must run without any command line arguments.
aoqi@0: 
aoqi@0: public class TestCharShortByteSwap {
aoqi@0: 
aoqi@0:   private static short initShort(String[] args, short v) {
aoqi@0:     if (args.length > 0) {
aoqi@0:       try {
aoqi@0:         return (short) Integer.valueOf(args[0]).intValue();
aoqi@0:       } catch (NumberFormatException e) { }
aoqi@0:     }
aoqi@0:     return v;
aoqi@0:   }
aoqi@0: 
aoqi@0:   private static char initChar(String[] args, char v) {
aoqi@0:     if (args.length > 0) {
aoqi@0:       try {
aoqi@0:         return (char) Integer.valueOf(args[0]).intValue();
aoqi@0:       } catch (NumberFormatException e) { }
aoqi@0:     }
aoqi@0:     return v;
aoqi@0:   }
aoqi@0: 
aoqi@0:   private static void testChar(char a, char b) {
aoqi@0:     if (a != Character.reverseBytes(b)) {
aoqi@0:       throw new RuntimeException("FAIL: " + (int)a + " != Character.reverseBytes(" + (int)b + ")");
aoqi@0:     }
aoqi@0:     if (b != Character.reverseBytes(a)) {
aoqi@0:       throw new RuntimeException("FAIL: " + (int)b + " != Character.reverseBytes(" + (int)a + ")");
aoqi@0:     }
aoqi@0:   }
aoqi@0: 
aoqi@0:   private static void testShort(short a, short b) {
aoqi@0:     if (a != Short.reverseBytes(b)) {
aoqi@0:       throw new RuntimeException("FAIL: " + (int)a + " != Short.reverseBytes(" + (int)b + ")");
aoqi@0:     }
aoqi@0:     if (b != Short.reverseBytes(a)) {
aoqi@0:       throw new RuntimeException("FAIL: " + (int)b + " != Short.reverseBytes(" + (int)a + ")");
aoqi@0:     }
aoqi@0:   }
aoqi@0: 
aoqi@0:   public static void main(String[] args) {
aoqi@0:     for (int i = 0; i < 100000; ++i) { // Trigger compilation
aoqi@0:       char c1 = initChar(args, (char) 0x0123);
aoqi@0:       char c2 = initChar(args, (char) 0x2301);
aoqi@0:       char c3 = initChar(args, (char) 0xaabb);
aoqi@0:       char c4 = initChar(args, (char) 0xbbaa);
aoqi@0:       short s1 = initShort(args, (short) 0x0123);
aoqi@0:       short s2 = initShort(args, (short) 0x2301);
aoqi@0:       short s3 = initShort(args, (short) 0xaabb);
aoqi@0:       short s4 = initShort(args, (short) 0xbbaa);
aoqi@0:       testChar(c1, c2);
aoqi@0:       testChar(c3, c4);
aoqi@0:       testShort(s1, s2);
aoqi@0:       testShort(s3, s4);
aoqi@0:     }
aoqi@0:   }
aoqi@0: }