annotate tests/src/com/five_ten_sg/connectbot/mock/BeanTestCase.java @ 318:5351641c8a46 ganymed

add ecdsa key support everywhere
author Carl Byington <carl@five-ten-sg.com>
date Wed, 30 Jul 2014 17:46:06 -0700
parents 0ce5cc452d02
children
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1 /**
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2 * Originally from http://www.cornetdesign.com/files/BeanTestCase.java.txt
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3 */
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4 package com.five_ten_sg.connectbot.mock;
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5
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6 import junit.framework.TestCase;
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7
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8 import java.lang.reflect.Field;
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9
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10 public class BeanTestCase extends TestCase {
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11
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12 private static final String TEST_STRING_VAL1 = "Some Value";
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13 private static final String TEST_STRING_VAL2 = "Some Other Value";
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14
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15 public static void assertMeetsEqualsContract(Class<?> classUnderTest,
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16 String[] fieldNames) {
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17 Object o1;
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18 Object o2;
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19
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20 try {
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21 // Get Instances
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22 o1 = classUnderTest.newInstance();
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23 o2 = classUnderTest.newInstance();
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24 assertTrue(
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25 "Instances with default constructor not equal (o1.equals(o2))",
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26 o1.equals(o2));
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27 assertTrue(
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28 "Instances with default constructor not equal (o2.equals(o1))",
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29 o2.equals(o1));
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30 Field[] fields = getFieldsByNameOrAll(classUnderTest, fieldNames);
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31
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32 for (int i = 0; i < fields.length; i++) {
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33 // Reset the instances
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34 o1 = classUnderTest.newInstance();
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35 o2 = classUnderTest.newInstance();
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36 Field field = fields[i];
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37 field.setAccessible(true);
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38
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39 if (field.getType() == String.class) {
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40 field.set(o1, TEST_STRING_VAL1);
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41 }
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42 else if (field.getType() == boolean.class) {
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43 field.setBoolean(o1, true);
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44 }
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45 else if (field.getType() == short.class) {
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46 field.setShort(o1, (short) 1);
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47 }
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48 else if (field.getType() == long.class) {
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49 field.setLong(o1, (long) 1);
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50 }
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51 else if (field.getType() == float.class) {
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52 field.setFloat(o1, (float) 1);
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53 }
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54 else if (field.getType() == int.class) {
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55 field.setInt(o1, 1);
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56 }
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57 else if (field.getType() == byte.class) {
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58 field.setByte(o1, (byte) 1);
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59 }
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60 else if (field.getType() == char.class) {
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61 field.setChar(o1, (char) 1);
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62 }
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63 else if (field.getType() == double.class) {
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64 field.setDouble(o1, (double) 1);
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65 }
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66 else if (field.getType().isEnum()) {
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67 field.set(o1, field.getType().getEnumConstants()[0]);
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68 }
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69 else if (Object.class.isAssignableFrom(field.getType())) {
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70 field.set(o1, field.getType().newInstance());
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71 }
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72 else {
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73 fail("Don't know how to set a " + field.getType().getName());
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74 }
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75
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76 assertFalse("Instances with o1 having " + field.getName()
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77 + " set and o2 having it not set are equal", o1
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78 .equals(o2));
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79 field.set(o2, field.get(o1));
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80 assertTrue(
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81 "After setting o2 with the value of the object in o1, the two objects in the field are not equal",
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82 field.get(o1).equals(field.get(o2)));
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83 assertTrue(
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84 "Instances with o1 having "
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85 + field.getName()
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86 + " set and o2 having it set to the same object of type "
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87 + field.get(o2).getClass().getName()
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88 + " are not equal", o1.equals(o2));
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89
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90 if (field.getType() == String.class) {
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91 field.set(o2, TEST_STRING_VAL2);
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92 }
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93 else if (field.getType() == boolean.class) {
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94 field.setBoolean(o2, false);
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95 }
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96 else if (field.getType() == short.class) {
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97 field.setShort(o2, (short) 0);
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98 }
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99 else if (field.getType() == long.class) {
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100 field.setLong(o2, (long) 0);
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101 }
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102 else if (field.getType() == float.class) {
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103 field.setFloat(o2, (float) 0);
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104 }
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105 else if (field.getType() == int.class) {
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106 field.setInt(o2, 0);
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107 }
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108 else if (field.getType() == byte.class) {
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109 field.setByte(o2, (byte) 0);
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110 }
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111 else if (field.getType() == char.class) {
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112 field.setChar(o2, (char) 0);
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113 }
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114 else if (field.getType() == double.class) {
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115 field.setDouble(o2, (double) 1);
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116 }
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117 else if (field.getType().isEnum()) {
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118 field.set(o2, field.getType().getEnumConstants()[1]);
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119 }
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120 else if (Object.class.isAssignableFrom(field.getType())) {
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121 field.set(o2, field.getType().newInstance());
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122 }
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123 else {
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124 fail("Don't know how to set a " + field.getType().getName());
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125 }
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126
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127 if (field.get(o1).equals(field.get(o2))) {
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128 // Even though we have different instances, they are equal.
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129 // Let's walk one of them
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130 // to see if we can find a field to set
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131 Field[] paramFields = field.get(o1).getClass()
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132 .getDeclaredFields();
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133
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134 for (int j = 0; j < paramFields.length; j++) {
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135 paramFields[j].setAccessible(true);
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136
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137 if (paramFields[j].getType() == String.class) {
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138 paramFields[j].set(field.get(o1), TEST_STRING_VAL1);
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139 }
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140 }
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141 }
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142
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143 assertFalse(
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144 "After setting o2 with a different object than what is in o1, the two objects in the field are equal. "
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145 + "This is after an attempt to walk the fields to make them different",
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146 field.get(o1).equals(field.get(o2)));
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147 assertFalse(
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148 "Instances with o1 having "
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149 + field.getName()
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150 + " set and o2 having it set to a different object are equal",
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151 o1.equals(o2));
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152 }
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153 }
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154 catch (InstantiationException e) {
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155 e.printStackTrace();
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156 throw new AssertionError(
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157 "Unable to construct an instance of the class under test");
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158 }
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159 catch (IllegalAccessException e) {
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160 e.printStackTrace();
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161 throw new AssertionError(
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162 "Unable to construct an instance of the class under test");
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163 }
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164 catch (SecurityException e) {
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165 e.printStackTrace();
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166 throw new AssertionError(
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167 "Unable to read the field from the class under test");
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168 }
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169 catch (NoSuchFieldException e) {
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170 e.printStackTrace();
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171 throw new AssertionError(
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172 "Unable to find field in the class under test");
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173 }
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174 }
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175
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176 /**
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177 * @param classUnderTest
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178 * @param fieldNames
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179 * @return
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180 * @throws NoSuchFieldException
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181 */
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182 private static Field[] getFieldsByNameOrAll(Class<?> classUnderTest,
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183 String[] fieldNames) throws NoSuchFieldException {
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184 Field fields[];
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185
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186 if (fieldNames == null) {
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187 fields = classUnderTest.getDeclaredFields();
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188 }
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189 else {
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190 fields = new Field[fieldNames.length];
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191
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192 for (int i = 0; i < fieldNames.length; i++)
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193 fields[i] = classUnderTest.getDeclaredField(fieldNames[i]);
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194 }
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195
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196 return fields;
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197 }
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198
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199 public static void assertMeetsHashCodeContract(Class<?> classUnderTest,
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200 String[] fieldNames) {
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201 try {
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202 Field[] fields = getFieldsByNameOrAll(classUnderTest, fieldNames);
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203
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204 for (int i = 0; i < fields.length; i++) {
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205 Object o1 = classUnderTest.newInstance();
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206 int initialHashCode = o1.hashCode();
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207 Field field = fields[i];
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208 field.setAccessible(true);
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209
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210 if (field.getType() == String.class) {
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211 field.set(o1, TEST_STRING_VAL1);
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212 }
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213 else if (field.getType() == boolean.class) {
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214 field.setBoolean(o1, true);
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215 }
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216 else if (field.getType() == short.class) {
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217 field.setShort(o1, (short) 1);
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218 }
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219 else if (field.getType() == long.class) {
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220 field.setLong(o1, (long) 1);
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221 }
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222 else if (field.getType() == float.class) {
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223 field.setFloat(o1, (float) 1);
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224 }
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225 else if (field.getType() == int.class) {
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226 field.setInt(o1, 1);
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227 }
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228 else if (field.getType() == byte.class) {
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diff changeset
229 field.setByte(o1, (byte) 1);
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230 }
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diff changeset
231 else if (field.getType() == char.class) {
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232 field.setChar(o1, (char) 1);
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diff changeset
233 }
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234 else if (field.getType() == double.class) {
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235 field.setDouble(o1, (double) 1);
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diff changeset
236 }
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diff changeset
237 else if (field.getType().isEnum()) {
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diff changeset
238 field.set(o1, field.getType().getEnumConstants()[0]);
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239 }
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240 else if (Object.class.isAssignableFrom(field.getType())) {
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diff changeset
241 field.set(o1, field.getType().newInstance());
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diff changeset
242 }
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parents:
diff changeset
243 else {
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diff changeset
244 fail("Don't know how to set a " + field.getType().getName());
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diff changeset
245 }
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parents:
diff changeset
246
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diff changeset
247 int updatedHashCode = o1.hashCode();
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
248 assertFalse(
0ce5cc452d02 initial version
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diff changeset
249 "The field "
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
250 + field.getName()
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
251 + " was not taken into account for the hashCode contract ",
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
252 initialHashCode == updatedHashCode);
0ce5cc452d02 initial version
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parents:
diff changeset
253 }
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
254 }
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
255 catch (InstantiationException e) {
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
256 e.printStackTrace();
0ce5cc452d02 initial version
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parents:
diff changeset
257 throw new AssertionError(
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
258 "Unable to construct an instance of the class under test");
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
259 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
260 catch (IllegalAccessException e) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
261 e.printStackTrace();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
262 throw new AssertionError(
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
263 "Unable to construct an instance of the class under test");
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
264 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
265 catch (NoSuchFieldException e) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
266 e.printStackTrace();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
267 throw new AssertionError(
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
268 "Unable to find field in the class under test");
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
269 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
270 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
271 }