Mercurial > hg > Members > kono > jpf-core

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

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