1 /*
   2  * Copyright (c) 2015, 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 import java.io.ByteArrayInputStream;
  25 import java.io.File;
  26 import java.io.OutputStream;
  27 import java.util.ArrayList;
  28 import java.util.List;
  29 import java.util.Objects;
  30 
  31 import javax.sound.sampled.AudioFileFormat;
  32 import javax.sound.sampled.AudioFormat;
  33 import javax.sound.sampled.AudioInputStream;
  34 import javax.sound.sampled.AudioSystem;
  35 import javax.sound.sampled.spi.AudioFileWriter;
  36 
  37 import static java.util.ServiceLoader.load;
  38 import static javax.sound.sampled.AudioFileFormat.Type;
  39 import static javax.sound.sampled.AudioFormat.*;
  40 
  41 /**
  42  * @test
  43  * @bug 8135100
  44  * @author Sergey Bylokhov
  45  */
  46 public final class ExpectedNPEOnNull {
  47 
  48     /**
  49      * We will try to use all encoding, in this case all our providers will be
  50      * covered by supported/unsupported encoding.
  51      */
  52     private static final Encoding[] encodings = {Encoding.PCM_SIGNED,
  53                                                  Encoding.PCM_UNSIGNED,
  54                                                  Encoding.PCM_FLOAT,
  55                                                  Encoding.ULAW, Encoding.ALAW,
  56                                                  new Encoding("test")};
  57 
  58     /**
  59      * We will try to use all types, in this case all our providers will be
  60      * covered by supported/unsupported types.
  61      */
  62     private static final Type[] types = {Type.WAVE, Type.AU, Type.AIFF,
  63                                          Type.AIFC, Type.SND,
  64                                          new Type("MIDI", "mid"),
  65                                          new Type("test", "test")};
  66 
  67     /**
  68      * We will try to use all supported AudioInputStream, in this case all our
  69      * providers will be covered by supported/unsupported streams.
  70      */
  71     private static final List<AudioInputStream> aiss = new ArrayList<>();
  72 
  73     static {
  74         for (final Encoding encoding : encodings) {
  75             for (final Type type : types) {
  76                 aiss.add(getAIS(type, encoding));
  77             }
  78         }
  79     }
  80 
  81     public static void main(final String[] args) throws Exception {
  82         testAS();
  83         for (final AudioFileWriter afw : load(AudioFileWriter.class)) {
  84             testAFW(afw);
  85         }
  86         testAFW(customAFW);
  87     }
  88 
  89     /**
  90      * Tests the part of AudioSystem API, which implemented via AudioFileWriter.
  91      */
  92     private static void testAS() throws Exception {
  93 
  94         // AudioSystem#getAudioFileTypes(AudioInputStream)
  95         try {
  96             AudioSystem.getAudioFileTypes(null);
  97             throw new RuntimeException("NPE is expected");
  98         } catch (final NullPointerException ignored) {
  99         }
 100 
 101         // AudioSystem#isFileTypeSupported(Type)
 102         try {
 103             AudioSystem.isFileTypeSupported(null);
 104             throw new RuntimeException("NPE is expected");
 105         } catch (final NullPointerException ignored) {
 106         }
 107 
 108         // AudioSystem#isFileTypeSupported(Type, AudioInputStream)
 109         for (final Type type : types) {
 110             try {
 111                 AudioSystem.isFileTypeSupported(type, null);
 112                 throw new RuntimeException("NPE is expected");
 113             } catch (final NullPointerException ignored) {
 114             }
 115         }
 116         for (final AudioInputStream stream : aiss) {
 117             try {
 118                 AudioSystem.isFileTypeSupported(null, stream);
 119                 throw new RuntimeException("NPE is expected");
 120             } catch (final NullPointerException ignored) {
 121             }
 122         }
 123 
 124         // AudioSystem#write(AudioInputStream, Type, OutputStream)
 125         for (final Type type : types) {
 126             try {
 127                 AudioSystem.write(null, type, new NullOutputStream());
 128                 throw new RuntimeException("NPE is expected");
 129             } catch (final NullPointerException ignored) {
 130             }
 131         }
 132         for (final AudioInputStream stream : aiss) {
 133             try {
 134                 AudioSystem.write(stream, null, new NullOutputStream());
 135                 throw new RuntimeException("NPE is expected");
 136             } catch (final NullPointerException ignored) {
 137             }
 138         }
 139         for (final Type type : types) {
 140             for (final AudioInputStream stream : aiss) {
 141                 try {
 142                     AudioSystem.write(stream, type, (OutputStream) null);
 143                     throw new RuntimeException("NPE is expected");
 144                 } catch (final NullPointerException ignored) {
 145                 }
 146             }
 147         }
 148 
 149         // AudioSystem#write(AudioInputStream, Type, File)
 150         for (final Type type : types) {
 151             try {
 152                 AudioSystem.write(null, type, new File("test.sound"));
 153                 throw new RuntimeException("NPE is expected");
 154             } catch (final NullPointerException ignored) {
 155             }
 156         }
 157 
 158         for (final AudioInputStream stream : aiss) {
 159             try {
 160                 AudioSystem.write(stream, null, new File("test.sound"));
 161                 throw new RuntimeException("NPE is expected");
 162             } catch (final NullPointerException ignored) {
 163             }
 164         }
 165         for (final AudioInputStream stream : aiss) {
 166             for (final Type type : types) {
 167                 try {
 168                     AudioSystem.write(stream, type, (File) null);
 169                     throw new RuntimeException("NPE is expected");
 170                 } catch (final NullPointerException ignored) {
 171                 }
 172             }
 173         }
 174     }
 175 
 176     /**
 177      * Tests the AudioFileWriter API directly.
 178      */
 179     private static void testAFW(final AudioFileWriter afw) throws Exception {
 180 
 181         // AudioFileWriter#isFileTypeSupported(Type)
 182         try {
 183             afw.isFileTypeSupported(null);
 184             throw new RuntimeException("NPE is expected: " + afw);
 185         } catch (final NullPointerException ignored) {
 186         }
 187 
 188         // AudioFileWriter#getAudioFileTypes(AudioInputStream)
 189         try {
 190             afw.getAudioFileTypes(null);
 191             throw new RuntimeException("NPE is expected: " + afw);
 192         } catch (final NullPointerException ignored) {
 193         }
 194 
 195         // AudioFileWriter#isFileTypeSupported(Type, AudioInputStream)
 196         for (final Type type : types) {
 197             try {
 198                 afw.isFileTypeSupported(type, null);
 199                 throw new RuntimeException("NPE is expected: " + afw);
 200             } catch (final NullPointerException ignored) {
 201             }
 202         }
 203         for (final AudioInputStream stream : aiss) {
 204             try {
 205                 afw.isFileTypeSupported(null, stream);
 206                 throw new RuntimeException("NPE is expected: " + afw);
 207             } catch (final NullPointerException ignored) {
 208             }
 209         }
 210 
 211         // AudioFileWriter#write(AudioInputStream, Type, OutputStream)
 212         for (final Type type : types) {
 213             try {
 214                 afw.write(null, type, new NullOutputStream());
 215                 throw new RuntimeException("NPE is expected: " + afw);
 216             } catch (final NullPointerException ignored) {
 217             }
 218         }
 219         for (final AudioInputStream stream : aiss) {
 220             try {
 221                 afw.write(stream, null, new NullOutputStream());
 222                 throw new RuntimeException("NPE is expected: " + afw);
 223             } catch (final NullPointerException ignored) {
 224             }
 225         }
 226         for (final AudioInputStream stream : aiss) {
 227             for (final Type type : types) {
 228                 try {
 229                     afw.write(stream, type, (OutputStream) null);
 230                     throw new RuntimeException("NPE is expected: " + afw);
 231                 } catch (final NullPointerException ignored) {
 232                 }
 233             }
 234         }
 235 
 236         // AudioFileWriter#write(AudioInputStream, Type, File)
 237         for (final Type type : types) {
 238             try {
 239                 afw.write(null, type, new File("test.sound"));
 240                 throw new RuntimeException("NPE is expected: " + afw);
 241             } catch (final NullPointerException ignored) {
 242             }
 243         }
 244         for (final AudioInputStream stream : aiss) {
 245             try {
 246                 afw.write(stream, null, new File("test.sound"));
 247                 throw new RuntimeException("NPE is expected: " + afw);
 248             } catch (final NullPointerException ignored) {
 249             }
 250         }
 251         for (final AudioInputStream stream : aiss) {
 252             for (final Type type : types) {
 253                 try {
 254                     afw.write(stream, type, (File) null);
 255                     throw new RuntimeException("NPE is expected: " + afw);
 256                 } catch (final NullPointerException ignored) {
 257                 }
 258             }
 259         }
 260     }
 261 
 262     /**
 263      * Tests some default implementation of AudioFileWriter API, using the
 264      * custom {@code AudioFileWriter}, which support nothing.
 265      */
 266     static final AudioFileWriter customAFW = new AudioFileWriter() {
 267         @Override
 268         public Type[] getAudioFileTypes() {
 269             return new Type[0];
 270         }
 271 
 272         @Override
 273         public Type[] getAudioFileTypes(final AudioInputStream stream) {
 274             Objects.requireNonNull(stream);
 275             return new Type[0];
 276         }
 277 
 278         @Override
 279         public int write(AudioInputStream stream, Type fileType,
 280                          OutputStream out) {
 281             Objects.requireNonNull(stream);
 282             Objects.requireNonNull(fileType);
 283             Objects.requireNonNull(out);
 284             return 0;
 285         }
 286 
 287         @Override
 288         public int write(AudioInputStream stream, Type fileType, File out) {
 289             Objects.requireNonNull(stream);
 290             Objects.requireNonNull(fileType);
 291             Objects.requireNonNull(out);
 292             return 0;
 293         }
 294     };
 295 
 296     private static AudioInputStream getAIS(final Type type, Encoding encoding) {
 297         AudioFormat af = new AudioFormat(encoding, 44100.0f, 16, 2, 1, 1, true);
 298         AudioFileFormat aif = new AudioFileFormat(type, af, 0);
 299         ByteArrayInputStream bais = new ByteArrayInputStream(new byte[1024]);
 300         return new AudioInputStream(bais, aif.getFormat(), 0);
 301     }
 302 
 303     private static final class NullOutputStream extends OutputStream {
 304 
 305         @Override
 306         public void write(final int b) {
 307             //do nothing
 308         }
 309     }
 310 }