/* * 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 } } }