--- /dev/null 2015-11-27 15:25:51.000000000 +0300 +++ new/test/javax/sound/midi/spi/MidiFileReader/ExpectedNPEOnNull.java 2015-11-27 15:25:51.000000000 +0300 @@ -0,0 +1,130 @@ +/* + * 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.File; +import java.io.InputStream; +import java.net.URL; + +import javax.sound.midi.MidiSystem; +import javax.sound.midi.spi.MidiFileReader; + +import static java.util.ServiceLoader.load; + +/** + * @test + * @bug 8143909 + * @author Sergey Bylokhov + */ +public final class ExpectedNPEOnNull { + + public static void main(final String[] args) throws Exception { + testMS(); + for (final MidiFileReader mfr : load(MidiFileReader.class)) { + testMFR(mfr); + } + } + + /** + * Tests the part of MidiSystem API, which implemented via MidiFileReader. + */ + private static void testMS() throws Exception { + // MidiSystem#getMidiFileFormat(InputStream) + try { + MidiSystem.getMidiFileFormat((InputStream) null); + throw new RuntimeException("NPE is expected"); + } catch (final NullPointerException ignored) { + } + // MidiSystem#getMidiFileFormat(URL) + try { + MidiSystem.getMidiFileFormat((URL) null); + throw new RuntimeException("NPE is expected"); + } catch (final NullPointerException ignored) { + } + // MidiSystem#getMidiFileFormat(File) + try { + MidiSystem.getMidiFileFormat((File) null); + throw new RuntimeException("NPE is expected"); + } catch (final NullPointerException ignored) { + } + // MidiSystem#getSequence(InputStream) + try { + MidiSystem.getSequence((InputStream) null); + throw new RuntimeException("NPE is expected"); + } catch (final NullPointerException ignored) { + } + // MidiSystem#getSequence(URL) + try { + MidiSystem.getSequence((URL) null); + throw new RuntimeException("NPE is expected"); + } catch (final NullPointerException ignored) { + } + // MidiSystem#getSequence(File) + try { + MidiSystem.getSequence((File) null); + throw new RuntimeException("NPE is expected"); + } catch (final NullPointerException ignored) { + } + } + + /** + * Tests the MidiFileReader API directly. + */ + private static void testMFR(final MidiFileReader mfr) throws Exception { + // MidiFileReader#getMidiFileFormat(InputStream) + try { + mfr.getMidiFileFormat((InputStream) null); + throw new RuntimeException("NPE is expected"); + } catch (final NullPointerException ignored) { + } + // MidiFileReader#getMidiFileFormat(URL) + try { + mfr.getMidiFileFormat((URL) null); + throw new RuntimeException("NPE is expected"); + } catch (final NullPointerException ignored) { + } + // MidiFileReader#getMidiFileFormat(File) + try { + mfr.getMidiFileFormat((File) null); + throw new RuntimeException("NPE is expected"); + } catch (final NullPointerException ignored) { + } + // MidiFileReader#getSequence(InputStream) + try { + mfr.getSequence((InputStream) null); + throw new RuntimeException("NPE is expected"); + } catch (final NullPointerException ignored) { + } + // MidiFileReader#getSequence(URL) + try { + mfr.getSequence((URL) null); + throw new RuntimeException("NPE is expected"); + } catch (final NullPointerException ignored) { + } + // MidiFileReader#getSequence(File) + try { + mfr.getSequence((File) null); + throw new RuntimeException("NPE is expected"); + } catch (final NullPointerException ignored) { + } + } +}