/* * 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.util.ArrayList; import java.util.List; import java.util.Objects; import javax.sound.sampled.AudioFileFormat; import javax.sound.sampled.AudioFormat; import javax.sound.sampled.AudioFormat.Encoding; import javax.sound.sampled.AudioInputStream; import javax.sound.sampled.AudioSystem; import javax.sound.sampled.spi.FormatConversionProvider; import static java.util.ServiceLoader.load; import static javax.sound.sampled.AudioFileFormat.*; /** * @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 FormatConversionProvider fcp : load( FormatConversionProvider.class)) { testFCP(fcp); } testFCP(customFCP); } /** * Tests the part of AudioSystem API, which implemented via * FormatConversionProvider. */ private static void testAS() throws Exception { // AudioSystem#getAudioInputStream(Encoding, AudioInputStream) for (final Encoding encoding : encodings) { try { AudioSystem.getAudioInputStream(encoding, null); throw new RuntimeException("NPE is expected"); } catch (final NullPointerException ignored) { } } for (final AudioInputStream stream : aiss) { try { AudioSystem.getAudioInputStream((Encoding) null, stream); throw new RuntimeException("NPE is expected"); } catch (final NullPointerException ignored) { } } // AudioSystem#getAudioInputStream(AudioFormat, AudioInputStream) for (final AudioInputStream stream : aiss) { try { AudioSystem.getAudioInputStream((AudioFormat) null, stream); throw new RuntimeException("NPE is expected"); } catch (final NullPointerException ignored) { } } for (final Encoding encoding : encodings) { try { AudioSystem.getAudioInputStream(getAFF(encoding), null); throw new RuntimeException("NPE is expected"); } catch (final NullPointerException ignored) { } } // AudioSystem#getTargetEncodings(AudioFormat) try { AudioSystem.getTargetEncodings((AudioFormat) null); throw new RuntimeException("NPE is expected"); } catch (final NullPointerException ignored) { } // AudioSystem#getTargetEncodings(AudioFormat.Encoding) try { AudioSystem.getTargetEncodings((Encoding) null); throw new RuntimeException("NPE is expected"); } catch (final NullPointerException ignored) { } // AudioSystem#getTargetFormats(AudioFormat.Encoding, AudioFormat) for (final Encoding encoding : encodings) { try { AudioSystem.getTargetFormats(null, getAFF(encoding)); throw new RuntimeException("NPE is expected"); } catch (final NullPointerException ignored) { } } for (final Encoding encoding : encodings) { try { AudioSystem.getTargetFormats(encoding, null); throw new RuntimeException("NPE is expected"); } catch (final NullPointerException ignored) { } } // AudioSystem#isConversionSupported(AudioFormat, AudioFormat) for (final Encoding encoding : encodings) { try { AudioSystem.isConversionSupported((AudioFormat) null, getAFF(encoding)); throw new RuntimeException("NPE is expected"); } catch (final NullPointerException ignored) { } } for (final Encoding encoding : encodings) { try { AudioSystem.isConversionSupported(getAFF(encoding), null); throw new RuntimeException("NPE is expected"); } catch (final NullPointerException ignored) { } } // AudioSystem#isConversionSupported(AudioFormat.Encoding, AudioFormat) for (final Encoding encoding : encodings) { try { AudioSystem.isConversionSupported((Encoding) null, getAFF(encoding)); throw new RuntimeException("NPE is expected"); } catch (final NullPointerException ignored) { } } for (final Encoding encoding : encodings) { try { AudioSystem.isConversionSupported(encoding, null); throw new RuntimeException("NPE is expected"); } catch (final NullPointerException ignored) { } } } /** * Tests the FormatConversionProvider API directly. */ private static void testFCP(FormatConversionProvider fcp) throws Exception { // FormatConversionProvider#isSourceEncodingSupported(Encoding) try { fcp.isSourceEncodingSupported(null); throw new RuntimeException("NPE is expected: " + fcp); } catch (final NullPointerException ignored) { } // FormatConversionProvider#isTargetEncodingSupported(Encoding) try { fcp.isTargetEncodingSupported(null); throw new RuntimeException("NPE is expected: " + fcp); } catch (final NullPointerException ignored) { } // FormatConversionProvider#getTargetEncodings() try { fcp.getTargetEncodings(null); throw new RuntimeException("NPE is expected: " + fcp); } catch (final NullPointerException ignored) { } // FormatConversionProvider#isConversionSupported(Encoding, AudioFormat) for (final Encoding encoding : encodings) { try { fcp.isConversionSupported((Encoding) null, getAFF(encoding)); throw new RuntimeException("NPE is expected: " + fcp); } catch (final NullPointerException ignored) { } } for (final Encoding encoding : encodings) { try { fcp.isConversionSupported(encoding, null); throw new RuntimeException("NPE is expected: " + fcp); } catch (final NullPointerException ignored) { } } // FormatConversionProvider#getTargetFormats(Encoding, AudioFormat) for (final Encoding encoding : encodings) { try { fcp.getTargetFormats(null, getAFF(encoding)); throw new RuntimeException("NPE is expected: " + fcp); } catch (final NullPointerException ignored) { } } for (final Encoding encoding : encodings) { try { fcp.getTargetFormats(encoding, null); throw new RuntimeException("NPE is expected: " + fcp); } catch (final NullPointerException ignored) { } } // FormatConversionProvider#isConversionSupported(AudioFormat, // AudioFormat) for (final Encoding encoding : encodings) { try { fcp.isConversionSupported((AudioFormat) null, getAFF(encoding)); throw new RuntimeException("NPE is expected: " + fcp); } catch (final NullPointerException ignored) { } } for (final Encoding encoding : encodings) { try { fcp.isConversionSupported(getAFF(encoding), null); throw new RuntimeException("NPE is expected: " + fcp); } catch (final NullPointerException ignored) { } } // FormatConversionProvider#getAudioInputStream(Encoding, // AudioInputStream) for (final AudioInputStream stream : aiss) { try { fcp.getAudioInputStream((Encoding) null, stream); throw new RuntimeException("NPE is expected: " + fcp); } catch (final NullPointerException ignored) { } } for (final Encoding encoding : encodings) { try { fcp.getAudioInputStream(encoding, null); throw new RuntimeException("NPE is expected: " + fcp); } catch (final NullPointerException ignored) { } } // FormatConversionProvider#getAudioInputStream(AudioFormat, // AudioInputStream) for (final AudioInputStream stream : aiss) { try { fcp.getAudioInputStream((AudioFormat) null, stream); throw new RuntimeException("NPE is expected: " + fcp); } catch (final NullPointerException ignored) { } } for (final Encoding encoding : encodings) { try { fcp.getAudioInputStream(getAFF(encoding), null); throw new RuntimeException("NPE is expected: " + fcp); } catch (final NullPointerException ignored) { } } } /** * Tests some default implementation of FormatConversionProvider API, using * the custom {@code FormatConversionProvider}, which support nothing. */ static FormatConversionProvider customFCP = new FormatConversionProvider() { @Override public Encoding[] getSourceEncodings() { return new Encoding[0]; } @Override public Encoding[] getTargetEncodings() { return new Encoding[0]; } @Override public Encoding[] getTargetEncodings(AudioFormat sourceFormat) { Objects.requireNonNull(sourceFormat); return new Encoding[0]; } @Override public AudioFormat[] getTargetFormats(Encoding enc, AudioFormat frmt) { Objects.requireNonNull(enc); Objects.requireNonNull(frmt); return new AudioFormat[0]; } @Override public AudioInputStream getAudioInputStream(Encoding encoding, AudioInputStream stream) { Objects.requireNonNull(encoding); Objects.requireNonNull(stream); return null; } @Override public AudioInputStream getAudioInputStream(AudioFormat format, AudioInputStream stream) { Objects.requireNonNull(format); Objects.requireNonNull(stream); return null; } }; private static AudioFormat getAFF(final Encoding encoding) { return new AudioFormat(encoding, 44100.0f, 16, 2, 1, 1, true); } 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); } }