ReadByteIntInt.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 ModelByteBuffer.RandomFileInputStream read(byte[], int, int) method */ 26 27import java.io.File; 28import java.io.FileOutputStream; 29import java.io.IOException; 30import java.io.InputStream; 31 32import javax.sound.sampled.*; 33 34import com.sun.media.sound.*; 35 36public class ReadByteIntInt { 37 38 static float[] testarray; 39 static byte[] test_byte_array; 40 static File test_file; 41 static AudioFormat format = new AudioFormat(44100, 16, 1, true, false); 42 43 static void setUp() throws Exception { 44 testarray = new float[1024]; 45 for (int i = 0; i < 1024; i++) { 46 double ii = i / 1024.0; 47 ii = ii * ii; 48 testarray[i] = (float)Math.sin(10*ii*2*Math.PI); 49 testarray[i] += (float)Math.sin(1.731 + 2*ii*2*Math.PI); 50 testarray[i] += (float)Math.sin(0.231 + 6.3*ii*2*Math.PI); 51 testarray[i] *= 0.3; 52 } 53 test_byte_array = new byte[testarray.length*2]; 54 AudioFloatConverter.getConverter(format).toByteArray(testarray, test_byte_array); 55 test_file = File.createTempFile("test", ".raw"); 56 FileOutputStream fos = new FileOutputStream(test_file); 57 fos.write(test_byte_array); 58 } 59 60 static void tearDown() throws Exception { 61 if(!test_file.delete()) 62 test_file.deleteOnExit(); 63 } 64 65 public static void main(String[] args) throws Exception { 66 try 67 { 68 setUp(); 69 70 for (int i = 0; i < 8; i++) { 71 ModelByteBuffer buff; 72 if(i % 2 == 0) 73 buff = new ModelByteBuffer(test_file); 74 else 75 buff = new ModelByteBuffer(test_byte_array); 76 if((i / 2) == 1) 77 buff.subbuffer(5); 78 if((i / 2) == 2) 79 buff.subbuffer(5,500); 80 if((i / 2) == 3) 81 buff.subbuffer(5,600,true); 82 83 long capacity = buff.capacity(); 84 InputStream is = buff.getInputStream(); 85 try 86 { 87 byte[] b = new byte[100]; 88 int ret = is.available(); 89 int n = is.read(b, 7, 50); 90 if(n == -1) 91 throw new RuntimeException("is.read shouldn't return -1!"); 92 if(is.available() != ret - n) 93 throw new RuntimeException( 94 "is.available() returns incorrect value (" 95 + is.available() + "!="+(ret - n)+") !"); 96 is.skip(5000); 97 if(is.read(b, 7, 50) != -1) 98 throw new RuntimeException( 99 "is.read() doesn't return -1!"); 100 101 } 102 finally 103 { 104 is.close(); 105 } 106 if(buff.capacity() != capacity) 107 throw new RuntimeException("Capacity variable should not change!"); 108 } 109 } 110 finally 111 { 112 tearDown(); 113 } 114 } 115 116} 117