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
24import java.io.File;
25import java.io.InputStream;
26import java.net.URL;
27
28import javax.sound.sampled.AudioSystem;
29import javax.sound.sampled.spi.AudioFileReader;
30
31import static java.util.ServiceLoader.load;
32
33/**
34 * @test
35 * @bug 8135100
36 * @author Sergey Bylokhov
37 */
38public final class ExpectedNPEOnNull {
39
40    public static void main(final String[] args) throws Exception {
41        testAS();
42        testAFR();
43    }
44
45    /**
46     * Tests the part of AudioSystem API, which implemented via AudioFileReader.
47     */
48    private static void testAS() throws Exception {
49
50        try {
51            AudioSystem.getAudioFileFormat((InputStream) null);
52            throw new RuntimeException("NPE is expected");
53        } catch (final NullPointerException ignored) {
54        }
55        try {
56            AudioSystem.getAudioFileFormat((URL) null);
57            throw new RuntimeException("NPE is expected");
58        } catch (final NullPointerException ignored) {
59        }
60        try {
61            AudioSystem.getAudioFileFormat((File) null);
62            throw new RuntimeException("NPE is expected");
63        } catch (final NullPointerException ignored) {
64        }
65        try {
66            AudioSystem.getAudioInputStream((InputStream) null);
67            throw new RuntimeException("NPE is expected");
68        } catch (final NullPointerException ignored) {
69        }
70        try {
71            AudioSystem.getAudioInputStream((URL) null);
72            throw new RuntimeException("NPE is expected");
73        } catch (final NullPointerException ignored) {
74        }
75        try {
76            AudioSystem.getAudioInputStream((File) null);
77            throw new RuntimeException("NPE is expected");
78        } catch (final NullPointerException ignored) {
79        }
80    }
81
82    /**
83     * Tests the AudioFileReader API directly.
84     */
85    private static void testAFR() throws Exception {
86
87        for (final AudioFileReader afr : load(AudioFileReader.class)) {
88            try {
89                afr.getAudioFileFormat((InputStream) null);
90                throw new RuntimeException("NPE is expected: " + afr);
91            } catch (final NullPointerException ignored) {
92            }
93            try {
94                afr.getAudioFileFormat((URL) null);
95                throw new RuntimeException("NPE is expected: " + afr);
96            } catch (final NullPointerException ignored) {
97            }
98            try {
99                afr.getAudioFileFormat((File) null);
100                throw new RuntimeException("NPE is expected: " + afr);
101            } catch (final NullPointerException ignored) {
102            }
103            try {
104                afr.getAudioInputStream((InputStream) null);
105                throw new RuntimeException("NPE is expected: " + afr);
106            } catch (final NullPointerException ignored) {
107            }
108            try {
109                afr.getAudioInputStream((URL) null);
110                throw new RuntimeException("NPE is expected: " + afr);
111            } catch (final NullPointerException ignored) {
112            }
113            try {
114                afr.getAudioInputStream((File) null);
115                throw new RuntimeException("NPE is expected: " + afr);
116            } catch (final NullPointerException ignored) {
117            }
118        }
119    }
120}
121