1 | // Copyright 2012 Georg-August-Universität Göttingen, Germany |
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2 | // |
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3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
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4 | // you may not use this file except in compliance with the License. |
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5 | // You may obtain a copy of the License at |
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6 | // |
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7 | // http://www.apache.org/licenses/LICENSE-2.0 |
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8 | // |
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9 | // Unless required by applicable law or agreed to in writing, software |
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10 | // distributed under the License is distributed on an "AS IS" BASIS, |
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11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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12 | // See the License for the specific language governing permissions and |
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13 | // limitations under the License. |
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14 | |
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15 | package de.ugoe.cs.util.console; |
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16 | |
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17 | import static org.junit.Assert.assertEquals; |
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18 | import static org.junit.Assert.assertFalse; |
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19 | import static org.junit.Assert.assertNotNull; |
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20 | import static org.junit.Assert.assertNull; |
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21 | import static org.junit.Assert.assertSame; |
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22 | import static org.junit.Assert.assertTrue; |
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23 | import static org.junit.Assert.fail; |
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24 | |
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25 | import java.io.ByteArrayInputStream; |
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26 | import java.io.ByteArrayOutputStream; |
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27 | import java.io.InputStream; |
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28 | import java.io.ObjectInputStream; |
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29 | import java.io.ObjectOutputStream; |
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30 | import java.lang.reflect.Constructor; |
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31 | import java.lang.reflect.Modifier; |
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32 | import java.util.Collection; |
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33 | import java.util.LinkedList; |
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34 | |
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35 | import org.junit.Before; |
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36 | import org.junit.Test; |
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37 | |
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38 | import de.ugoe.cs.util.console.GlobalDataContainer; |
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39 | |
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40 | /** |
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41 | * The class <code>WindowsEventTest</code> contains tests for the class |
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42 | * <code>{@link WindowsEvent}</code>. |
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43 | * |
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44 | * @author Steffen Herbold |
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45 | * @version 1.0 |
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46 | */ |
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47 | public class GlobalDataContainerTest { |
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48 | |
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49 | private static void assertCollectionContent(Collection<?> c1, Collection<?> c2) { |
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50 | assertEquals(c1.size(), c2.size()); |
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51 | for (Object obj : c1) { |
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52 | assertTrue(c2.contains(obj)); |
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53 | } |
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54 | } |
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55 | |
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56 | @Test |
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57 | public void testGlobalDataContainer_1() throws Exception { |
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58 | // assure that all constructors are private |
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59 | Constructor<?>[] constructors = GlobalDataContainer.class.getDeclaredConstructors(); |
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60 | for (int i = 0; i < constructors.length; i++) { |
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61 | int modifier = constructors[i].getModifiers(); |
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62 | if (modifier != Modifier.PRIVATE) { |
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63 | fail(constructors[i].getName() + " - " + Modifier.toString(modifier)); |
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64 | } |
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65 | } |
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66 | } |
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67 | |
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68 | @Test |
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69 | public void testGetInstance_1() throws Exception { |
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70 | GlobalDataContainer instance1 = GlobalDataContainer.getInstance(); |
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71 | GlobalDataContainer instance2 = GlobalDataContainer.getInstance(); |
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72 | assertNotNull(instance1); |
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73 | assertSame(instance1, instance2); |
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74 | } |
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75 | |
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76 | @Test |
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77 | public void testDatahandling_1() throws Exception { |
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78 | // test is data can be added and retrieved as expected |
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79 | GlobalDataContainer instance = GlobalDataContainer.getInstance(); |
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80 | |
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81 | String key1 = "key1"; |
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82 | String data1 = "data1"; |
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83 | String key2 = "key2"; |
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84 | String data2 = "data2"; |
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85 | String key3 = "key3"; |
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86 | Integer data3 = 1; |
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87 | String key4 = "key4"; |
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88 | Integer data4 = 2; |
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89 | String key5 = "key5"; |
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90 | Integer data5 = 3; |
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91 | |
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92 | assertFalse(instance.addData(key1, data1)); |
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93 | assertFalse(instance.addData(key2, data2)); |
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94 | assertFalse(instance.addData(key3, data3)); |
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95 | assertFalse(instance.addData(key4, data4)); |
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96 | assertFalse(instance.addData(key5, data5)); |
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97 | |
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98 | assertEquals(data1, instance.getData(key1)); |
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99 | assertEquals(data2, instance.getData(key2)); |
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100 | assertEquals(data3, instance.getData(key3)); |
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101 | assertEquals(data4, instance.getData(key4)); |
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102 | assertEquals(data5, instance.getData(key5)); |
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103 | } |
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104 | |
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105 | @Test |
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106 | public void testDatahandling_2() throws Exception { |
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107 | // test is data can be added, overwritten, and retrieved as expected |
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108 | GlobalDataContainer instance = GlobalDataContainer.getInstance(); |
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109 | |
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110 | String key1 = "key1"; |
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111 | String data1 = "data1"; |
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112 | String data1changed = "data1changed"; |
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113 | String key2 = "key2"; |
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114 | String data2 = "data2"; |
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115 | String data2changed = "data2changed"; |
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116 | String key3 = "key3"; |
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117 | Integer data3 = 1; |
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118 | Integer data3changed = 11; |
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119 | String key4 = "key4"; |
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120 | Integer data4 = 2; |
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121 | Integer data4changed = 22; |
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122 | String key5 = "key5"; |
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123 | Integer data5 = 3; |
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124 | Integer data5changed = 33; |
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125 | |
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126 | assertFalse(instance.addData(key1, data1)); |
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127 | assertFalse(instance.addData(key2, data2)); |
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128 | assertFalse(instance.addData(key3, data3)); |
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129 | assertFalse(instance.addData(key4, data4)); |
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130 | assertFalse(instance.addData(key5, data5)); |
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131 | |
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132 | assertTrue(instance.addData(key1, data1changed)); |
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133 | assertTrue(instance.addData(key2, data2changed)); |
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134 | assertTrue(instance.addData(key3, data3changed)); |
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135 | assertTrue(instance.addData(key4, data4changed)); |
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136 | assertTrue(instance.addData(key5, data5changed)); |
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137 | |
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138 | assertEquals(data1changed, instance.getData(key1)); |
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139 | assertEquals(data2changed, instance.getData(key2)); |
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140 | assertEquals(data3changed, instance.getData(key3)); |
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141 | assertEquals(data4changed, instance.getData(key4)); |
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142 | assertEquals(data5changed, instance.getData(key5)); |
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143 | } |
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144 | |
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145 | @Test |
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146 | public void testDatahandling_3() throws Exception { |
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147 | // test is data can be removed as expected |
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148 | GlobalDataContainer instance = GlobalDataContainer.getInstance(); |
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149 | |
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150 | String key1 = "key1"; |
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151 | String data1 = "data1"; |
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152 | String key2 = "key2"; |
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153 | String data2 = "data2"; |
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154 | String key3 = "key3"; |
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155 | Integer data3 = 1; |
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156 | String key4 = "key4"; |
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157 | Integer data4 = 2; |
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158 | String key5 = "key5"; |
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159 | Integer data5 = 3; |
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160 | |
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161 | assertFalse(instance.addData(key1, data1)); |
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162 | assertFalse(instance.addData(key2, data2)); |
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163 | assertFalse(instance.addData(key3, data3)); |
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164 | assertFalse(instance.addData(key4, data4)); |
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165 | assertFalse(instance.addData(key5, data5)); |
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166 | |
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167 | assertFalse(instance.removeData("keyNotFound")); |
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168 | assertTrue(instance.removeData(key1)); |
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169 | |
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170 | assertNull(instance.getData(key1)); |
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171 | } |
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172 | |
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173 | @Test |
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174 | public void testDatahandling_4() throws Exception { |
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175 | // test is data can be removed as expected |
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176 | GlobalDataContainer instance = GlobalDataContainer.getInstance(); |
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177 | |
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178 | String key1 = "key1"; |
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179 | String data1 = "data1"; |
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180 | String key2 = "key2"; |
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181 | String data2 = "data2"; |
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182 | String key3 = "key3"; |
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183 | Integer data3 = 1; |
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184 | String key4 = "key4"; |
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185 | Integer data4 = 2; |
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186 | String key5 = "key5"; |
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187 | Integer data5 = 3; |
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188 | |
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189 | assertFalse(instance.addData(key1, data1)); |
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190 | assertFalse(instance.addData(key2, data2)); |
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191 | assertFalse(instance.addData(key3, data3)); |
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192 | assertFalse(instance.addData(key4, data4)); |
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193 | assertFalse(instance.addData(key5, data5)); |
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194 | |
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195 | assertNull(instance.getData("keyNotFound")); |
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196 | } |
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197 | |
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198 | @Test |
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199 | public void testReset_1() throws Exception { |
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200 | // check if data container is empty after reset |
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201 | GlobalDataContainer instance = GlobalDataContainer.getInstance(); |
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202 | String key1 = "key1"; |
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203 | String data1 = "data1"; |
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204 | String key2 = "key2"; |
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205 | String data2 = "data2"; |
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206 | String key3 = "key3"; |
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207 | Integer data3 = 1; |
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208 | String key4 = "key4"; |
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209 | Integer data4 = 2; |
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210 | String key5 = "key5"; |
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211 | Integer data5 = 3; |
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212 | |
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213 | assertFalse(instance.addData(key1, data1)); |
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214 | assertFalse(instance.addData(key2, data2)); |
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215 | assertFalse(instance.addData(key3, data3)); |
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216 | assertFalse(instance.addData(key4, data4)); |
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217 | assertFalse(instance.addData(key5, data5)); |
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218 | |
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219 | instance.reset(); |
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220 | |
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221 | assertNull(instance.getData(key1)); |
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222 | assertNull(instance.getData(key2)); |
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223 | assertNull(instance.getData(key3)); |
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224 | assertNull(instance.getData(key4)); |
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225 | assertNull(instance.getData(key5)); |
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226 | } |
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227 | |
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228 | @Test |
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229 | public void testGetAllKeys_1() throws Exception { |
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230 | // check if data container is empty after reset |
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231 | GlobalDataContainer instance = GlobalDataContainer.getInstance(); |
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232 | String key1 = "key1"; |
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233 | String data1 = "data1"; |
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234 | String key2 = "key2"; |
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235 | String data2 = "data2"; |
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236 | String key3 = "key3"; |
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237 | Integer data3 = 1; |
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238 | String key4 = "key4"; |
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239 | Integer data4 = 2; |
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240 | String key5 = "key5"; |
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241 | Integer data5 = 3; |
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242 | |
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243 | assertFalse(instance.addData(key1, data1)); |
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244 | assertFalse(instance.addData(key2, data2)); |
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245 | assertFalse(instance.addData(key3, data3)); |
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246 | assertFalse(instance.addData(key4, data4)); |
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247 | assertFalse(instance.addData(key5, data5)); |
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248 | |
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249 | Collection<String> expected = new LinkedList<String>(); |
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250 | expected.add(key1); |
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251 | expected.add(key2); |
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252 | expected.add(key3); |
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253 | expected.add(key4); |
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254 | expected.add(key5); |
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255 | |
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256 | assertCollectionContent(expected, instance.getAllKeys()); |
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257 | } |
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258 | |
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259 | @Test |
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260 | public void testSerialization_1() throws Exception { |
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261 | GlobalDataContainer instance = GlobalDataContainer.getInstance(); |
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262 | String key1 = "key1"; |
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263 | String data1 = "data1"; |
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264 | String key2 = "key2"; |
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265 | String data2 = "data2"; |
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266 | String key3 = "key3"; |
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267 | Integer data3 = 1; |
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268 | String key4 = "key4"; |
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269 | Integer data4 = 2; |
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270 | String key5 = "key5"; |
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271 | Integer data5 = 3; |
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272 | |
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273 | String key6 = "key6"; |
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274 | Double data6 = 6.0d; |
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275 | |
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276 | assertFalse(instance.addData(key1, data1)); |
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277 | assertFalse(instance.addData(key2, data2)); |
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278 | assertFalse(instance.addData(key3, data3)); |
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279 | assertFalse(instance.addData(key4, data4)); |
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280 | assertFalse(instance.addData(key5, data5)); |
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281 | |
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282 | // serialize |
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283 | ByteArrayOutputStream out = new ByteArrayOutputStream(); |
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284 | ObjectOutputStream oos = new ObjectOutputStream(out); |
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285 | oos.writeObject(instance); |
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286 | oos.close(); |
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287 | |
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288 | instance.reset(); |
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289 | assertFalse(instance.addData(key6, data6)); |
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290 | |
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291 | // deserialize |
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292 | byte[] pickled = out.toByteArray(); |
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293 | InputStream in = new ByteArrayInputStream(pickled); |
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294 | ObjectInputStream ois = new ObjectInputStream(in); |
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295 | ois.readObject(); |
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296 | ois.close(); |
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297 | |
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298 | // test the result |
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299 | assertEquals(data1, instance.getData(key1)); |
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300 | assertEquals(data2, instance.getData(key2)); |
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301 | assertEquals(data3, instance.getData(key3)); |
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302 | assertEquals(data4, instance.getData(key4)); |
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303 | assertEquals(data5, instance.getData(key5)); |
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304 | assertNull(instance.getData(key6)); |
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305 | } |
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306 | |
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307 | @Before |
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308 | public void setUp() { |
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309 | GlobalDataContainer.getInstance().reset(); |
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310 | } |
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311 | |
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312 | } |
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