| /* |
| * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.File; |
| import java.io.OutputStream; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Objects; |
| |
| import javax.sound.sampled.AudioFileFormat; |
| import javax.sound.sampled.AudioFormat; |
| import javax.sound.sampled.AudioInputStream; |
| import javax.sound.sampled.AudioSystem; |
| import javax.sound.sampled.spi.AudioFileWriter; |
| |
| import static java.util.ServiceLoader.load; |
| import static javax.sound.sampled.AudioFileFormat.Type; |
| import static javax.sound.sampled.AudioFormat.*; |
| |
| /** |
| * @test |
| * @bug 8135100 |
| * @author Sergey Bylokhov |
| */ |
| public final class ExpectedNPEOnNull { |
| |
| /** |
| * We will try to use all encoding, in this case all our providers will be |
| * covered by supported/unsupported encoding. |
| */ |
| private static final Encoding[] encodings = {Encoding.PCM_SIGNED, |
| Encoding.PCM_UNSIGNED, |
| Encoding.PCM_FLOAT, |
| Encoding.ULAW, Encoding.ALAW, |
| new Encoding("test")}; |
| |
| /** |
| * We will try to use all types, in this case all our providers will be |
| * covered by supported/unsupported types. |
| */ |
| private static final Type[] types = {Type.WAVE, Type.AU, Type.AIFF, |
| Type.AIFC, Type.SND, |
| new Type("MIDI", "mid"), |
| new Type("test", "test")}; |
| |
| /** |
| * We will try to use all supported AudioInputStream, in this case all our |
| * providers will be covered by supported/unsupported streams. |
| */ |
| private static final List<AudioInputStream> aiss = new ArrayList<>(); |
| |
| static { |
| for (final Encoding encoding : encodings) { |
| for (final Type type : types) { |
| aiss.add(getAIS(type, encoding)); |
| } |
| } |
| } |
| |
| public static void main(final String[] args) throws Exception { |
| testAS(); |
| for (final AudioFileWriter afw : load(AudioFileWriter.class)) { |
| testAFW(afw); |
| } |
| testAFW(customAFW); |
| } |
| |
| /** |
| * Tests the part of AudioSystem API, which implemented via AudioFileWriter. |
| */ |
| private static void testAS() throws Exception { |
| |
| // AudioSystem#getAudioFileTypes(AudioInputStream) |
| try { |
| AudioSystem.getAudioFileTypes(null); |
| throw new RuntimeException("NPE is expected"); |
| } catch (final NullPointerException ignored) { |
| } |
| |
| // AudioSystem#isFileTypeSupported(Type) |
| try { |
| AudioSystem.isFileTypeSupported(null); |
| throw new RuntimeException("NPE is expected"); |
| } catch (final NullPointerException ignored) { |
| } |
| |
| // AudioSystem#isFileTypeSupported(Type, AudioInputStream) |
| for (final Type type : types) { |
| try { |
| AudioSystem.isFileTypeSupported(type, null); |
| throw new RuntimeException("NPE is expected"); |
| } catch (final NullPointerException ignored) { |
| } |
| } |
| for (final AudioInputStream stream : aiss) { |
| try { |
| AudioSystem.isFileTypeSupported(null, stream); |
| throw new RuntimeException("NPE is expected"); |
| } catch (final NullPointerException ignored) { |
| } |
| } |
| |
| // AudioSystem#write(AudioInputStream, Type, OutputStream) |
| for (final Type type : types) { |
| try { |
| AudioSystem.write(null, type, new NullOutputStream()); |
| throw new RuntimeException("NPE is expected"); |
| } catch (final NullPointerException ignored) { |
| } |
| } |
| for (final AudioInputStream stream : aiss) { |
| try { |
| AudioSystem.write(stream, null, new NullOutputStream()); |
| throw new RuntimeException("NPE is expected"); |
| } catch (final NullPointerException ignored) { |
| } |
| } |
| for (final Type type : types) { |
| for (final AudioInputStream stream : aiss) { |
| try { |
| AudioSystem.write(stream, type, (OutputStream) null); |
| throw new RuntimeException("NPE is expected"); |
| } catch (final NullPointerException ignored) { |
| } |
| } |
| } |
| |
| // AudioSystem#write(AudioInputStream, Type, File) |
| for (final Type type : types) { |
| try { |
| AudioSystem.write(null, type, new File("test.sound")); |
| throw new RuntimeException("NPE is expected"); |
| } catch (final NullPointerException ignored) { |
| } |
| } |
| |
| for (final AudioInputStream stream : aiss) { |
| try { |
| AudioSystem.write(stream, null, new File("test.sound")); |
| throw new RuntimeException("NPE is expected"); |
| } catch (final NullPointerException ignored) { |
| } |
| } |
| for (final AudioInputStream stream : aiss) { |
| for (final Type type : types) { |
| try { |
| AudioSystem.write(stream, type, (File) null); |
| throw new RuntimeException("NPE is expected"); |
| } catch (final NullPointerException ignored) { |
| } |
| } |
| } |
| } |
| |
| /** |
| * Tests the AudioFileWriter API directly. |
| */ |
| private static void testAFW(final AudioFileWriter afw) throws Exception { |
| |
| // AudioFileWriter#isFileTypeSupported(Type) |
| try { |
| afw.isFileTypeSupported(null); |
| throw new RuntimeException("NPE is expected: " + afw); |
| } catch (final NullPointerException ignored) { |
| } |
| |
| // AudioFileWriter#getAudioFileTypes(AudioInputStream) |
| try { |
| afw.getAudioFileTypes(null); |
| throw new RuntimeException("NPE is expected: " + afw); |
| } catch (final NullPointerException ignored) { |
| } |
| |
| // AudioFileWriter#isFileTypeSupported(Type, AudioInputStream) |
| for (final Type type : types) { |
| try { |
| afw.isFileTypeSupported(type, null); |
| throw new RuntimeException("NPE is expected: " + afw); |
| } catch (final NullPointerException ignored) { |
| } |
| } |
| for (final AudioInputStream stream : aiss) { |
| try { |
| afw.isFileTypeSupported(null, stream); |
| throw new RuntimeException("NPE is expected: " + afw); |
| } catch (final NullPointerException ignored) { |
| } |
| } |
| |
| // AudioFileWriter#write(AudioInputStream, Type, OutputStream) |
| for (final Type type : types) { |
| try { |
| afw.write(null, type, new NullOutputStream()); |
| throw new RuntimeException("NPE is expected: " + afw); |
| } catch (final NullPointerException ignored) { |
| } |
| } |
| for (final AudioInputStream stream : aiss) { |
| try { |
| afw.write(stream, null, new NullOutputStream()); |
| throw new RuntimeException("NPE is expected: " + afw); |
| } catch (final NullPointerException ignored) { |
| } |
| } |
| for (final AudioInputStream stream : aiss) { |
| for (final Type type : types) { |
| try { |
| afw.write(stream, type, (OutputStream) null); |
| throw new RuntimeException("NPE is expected: " + afw); |
| } catch (final NullPointerException ignored) { |
| } |
| } |
| } |
| |
| // AudioFileWriter#write(AudioInputStream, Type, File) |
| for (final Type type : types) { |
| try { |
| afw.write(null, type, new File("test.sound")); |
| throw new RuntimeException("NPE is expected: " + afw); |
| } catch (final NullPointerException ignored) { |
| } |
| } |
| for (final AudioInputStream stream : aiss) { |
| try { |
| afw.write(stream, null, new File("test.sound")); |
| throw new RuntimeException("NPE is expected: " + afw); |
| } catch (final NullPointerException ignored) { |
| } |
| } |
| for (final AudioInputStream stream : aiss) { |
| for (final Type type : types) { |
| try { |
| afw.write(stream, type, (File) null); |
| throw new RuntimeException("NPE is expected: " + afw); |
| } catch (final NullPointerException ignored) { |
| } |
| } |
| } |
| } |
| |
| /** |
| * Tests some default implementation of AudioFileWriter API, using the |
| * custom {@code AudioFileWriter}, which support nothing. |
| */ |
| static final AudioFileWriter customAFW = new AudioFileWriter() { |
| @Override |
| public Type[] getAudioFileTypes() { |
| return new Type[0]; |
| } |
| |
| @Override |
| public Type[] getAudioFileTypes(final AudioInputStream stream) { |
| Objects.requireNonNull(stream); |
| return new Type[0]; |
| } |
| |
| @Override |
| public int write(AudioInputStream stream, Type fileType, |
| OutputStream out) { |
| Objects.requireNonNull(stream); |
| Objects.requireNonNull(fileType); |
| Objects.requireNonNull(out); |
| return 0; |
| } |
| |
| @Override |
| public int write(AudioInputStream stream, Type fileType, File out) { |
| Objects.requireNonNull(stream); |
| Objects.requireNonNull(fileType); |
| Objects.requireNonNull(out); |
| return 0; |
| } |
| }; |
| |
| private static AudioInputStream getAIS(final Type type, Encoding encoding) { |
| AudioFormat af = new AudioFormat(encoding, 44100.0f, 16, 2, 1, 1, true); |
| AudioFileFormat aif = new AudioFileFormat(type, af, 0); |
| ByteArrayInputStream bais = new ByteArrayInputStream(new byte[1024]); |
| return new AudioInputStream(bais, aif.getFormat(), 0); |
| } |
| |
| private static final class NullOutputStream extends OutputStream { |
| |
| @Override |
| public void write(final int b) { |
| //do nothing |
| } |
| } |
| } |