Load4.java revision 8729:0242fce0f717
1/* 2 * Copyright (c) 2007, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/* @test 25 @summary Test SoftTuning load method */ 26 27import java.io.UnsupportedEncodingException; 28 29import javax.sound.midi.MidiUnavailableException; 30import javax.sound.midi.Patch; 31import javax.sound.sampled.*; 32 33import com.sun.media.sound.*; 34 35public class Load4 { 36 37 private static void assertEquals(Object a, Object b) throws Exception 38 { 39 if(!a.equals(b)) 40 throw new RuntimeException("assertEquals fails!"); 41 } 42 43 private static void assertTrue(boolean value) throws Exception 44 { 45 if(!value) 46 throw new RuntimeException("assertTrue fails!"); 47 } 48 49 public static void main(String[] args) throws Exception { 50 // http://www.midi.org/about-midi/tuning_extens.shtml 51 // 0x04 KEY-BASED TUNING DUMP 52 SoftTuning tuning = new SoftTuning(); 53 byte[] name; 54 name = "Testing123 ".getBytes("ascii"); 55 56 int[] msg = new int[25+3*128]; 57 int[] head = {0xf0,0x7e,0x7f,0x08,0x04,0x00,0x00}; 58 int ox = 0; 59 for (int i = 0; i < head.length; i++) 60 msg[ox++] = head[i]; 61 for (int i = 0; i < name.length; i++) 62 msg[ox++] = name[i]; 63 for (int i = 0; i < 128; i++) { 64 msg[ox++] = i; 65 msg[ox++] = 64; 66 msg[ox++] = 0; 67 } 68 69 // Calc checksum 70 int x = msg[1] & 0xFF; 71 for (int i = 2; i < msg.length - 2; i++) 72 x = x ^ (msg[i] & 0xFF); 73 msg[ox++] = (x & 127); 74 75 msg[ox++] = 0xf7; 76 byte[] bmsg = new byte[msg.length]; 77 for (int i = 0; i < bmsg.length; i++) 78 bmsg[i] = (byte)msg[i]; 79 80 tuning.load(bmsg); 81 assertEquals(tuning.getName(), "Testing123 "); 82 double[] tunings = tuning.getTuning(); 83 for (int i = 0; i < tunings.length; i++) 84 assertTrue(Math.abs(tunings[i]-(i*100 + 50)) < 0.00001); 85 86 // Check if tuning fails if checksum is wrong 87 msg[msg.length - 2] += 10; 88 for (int i = 0; i < bmsg.length; i++) 89 bmsg[i] = (byte)msg[i]; 90 tuning = new SoftTuning(); 91 tuning.load(bmsg); 92 assertTrue(!tuning.getName().equals("Testing123 ")); 93 94 // Check if tuning fails if checksum is wrong 95 msg[msg.length - 2] += 10; 96 for (int i = 0; i < bmsg.length; i++) 97 bmsg[i] = (byte)msg[i]; 98 tuning = new SoftTuning(); 99 tuning.load(bmsg); 100 assertTrue(!tuning.getName().equals("Testing123 ")); 101 } 102} 103