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comparison src/tests/gov/nasa/jpf/util/SplitOutputStreamTest.java @ 0:61d41facf527

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initial v8 import (history reset)
author Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
date Fri, 23 Jan 2015 10:14:01 -0800
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1 /*
2 * Copyright (C) 2014, United States Government, as represented by the
3 * Administrator of the National Aeronautics and Space Administration.
4 * All rights reserved.
5 *
6 * The Java Pathfinder core (jpf-core) platform is licensed under the
7 * Apache License, Version 2.0 (the "License"); you may not use this file except
8 * in compliance with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0.
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18 package gov.nasa.jpf.util;
19
20 import gov.nasa.jpf.util.test.TestJPF;
21 import java.io.IOException;
22 import java.io.OutputStream;
23 import java.io.PipedInputStream;
24 import java.io.PipedOutputStream;
25 import java.util.Arrays;
26
27 import org.junit.After;
28 import org.junit.Before;
29 import org.junit.Test;
30
31 public class SplitOutputStreamTest extends TestJPF {
32
33 private PipedInputStream m_sinks[];
34 private SplitOutputStream m_fixture;
35
36 @Before
37 public void before() throws IOException {
38 PipedOutputStream output[];
39 int i;
40
41 m_sinks = new PipedInputStream[2];
42 output = new PipedOutputStream[2];
43
44 for (i = m_sinks.length; --i >= 0;) {
45 m_sinks[i] = new PipedInputStream();
46 output[i] = new PipedOutputStream(m_sinks[i]);
47 }
48
49 m_fixture = new SplitOutputStream(output);
50
51 Arrays.fill(output, null); // Force SplitOutputStream to make a copy of output
52 }
53
54 @After
55 public void after() throws IOException {
56 int i, length, offset, delta;
57 byte expect[], actual[];
58
59 m_fixture.flush();
60 m_fixture.close();
61
62 expect = new byte[128];
63 actual = new byte[128];
64
65 while (true) {
66 length = m_sinks[0].read(expect);
67
68 if (length < 0) {
69 break;
70 }
71
72 for (i = m_sinks.length; --i > 0;) {
73 assertTrue(m_sinks[i].available() >= length);
74
75 for (offset = 0; offset < length; offset += delta) {
76 delta = m_sinks[i].read(actual, offset, length - offset);
77
78 assertTrue(delta >= 0);
79 }
80
81 assertArrayEquals(actual, expect);
82 }
83 }
84
85 for (i = m_sinks.length; --i > 0;) {
86 assertEquals(-1, m_sinks[i].read());
87 }
88 }
89
90 @Test(expected = NullPointerException.class)
91 public void passNullPointerToConstructor() throws IOException {
92 OutputStream sinks[];
93
94 sinks = null;
95
96 new SplitOutputStream(sinks);
97 }
98
99 @Test(expected = IllegalArgumentException.class)
100 public void passNoArgsToConstructor() throws IOException {
101 new SplitOutputStream();
102 }
103
104 @Test(expected = NullPointerException.class)
105 public void passNullArgsToConstructor() throws IOException {
106 OutputStream sink;
107
108 sink = null;
109
110 new SplitOutputStream(sink);
111 }
112
113 @Test
114 public void writeByte() throws IOException {
115 m_fixture.write(123);
116 }
117
118 @Test
119 public void modifyAfterConstructor() {
120
121 }
122
123 @Test(expected = NullPointerException.class)
124 public void writeNullBuffer() throws IOException {
125 m_fixture.write(null, 0, 1);
126 }
127
128 @Test(expected = IndexOutOfBoundsException.class)
129 public void writeIndexNegOne() throws IOException {
130 m_fixture.write(new byte[0], -1, 0);
131 }
132
133 @Test(expected = IndexOutOfBoundsException.class)
134 public void writeLengthNegOne() throws IOException {
135 m_fixture.write(new byte[0], 0, -1);
136 }
137
138 @Test(expected = IndexOutOfBoundsException.class)
139 public void writeBeyondEnd() throws IOException {
140 m_fixture.write(new byte[16], 8, 9);
141 }
142
143 @Test
144 public void writeLengthZero() throws IOException {
145 m_fixture.write(new byte[1], 0, 0);
146 }
147
148 @Test
149 public void writeArray() throws IOException {
150 byte buffer[];
151
152 buffer = new byte[]{2, 3, 5, 7, 11, 13};
153
154 m_fixture.write(buffer);
155 }
156 }