1 | package geniusweb.profile.utilityspace;
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2 |
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3 | import static org.junit.Assert.assertEquals;
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4 |
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5 | import java.io.IOException;
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6 | import java.math.BigDecimal;
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7 | import java.util.Arrays;
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8 | import java.util.List;
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9 |
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10 | import org.junit.Test;
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11 |
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12 | import com.fasterxml.jackson.core.JsonParseException;
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13 | import com.fasterxml.jackson.core.JsonProcessingException;
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14 | import com.fasterxml.jackson.databind.JsonMappingException;
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15 | import com.fasterxml.jackson.databind.ObjectMapper;
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16 |
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17 | import geniusweb.issuevalue.DiscreteValue;
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18 | import geniusweb.issuevalue.DiscreteValueSet;
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19 | import geniusweb.issuevalue.NumberValue;
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20 | import geniusweb.issuevalue.NumberValueSet;
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21 | import geniusweb.issuevalue.ValueSet;
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22 | import tudelft.utilities.immutablelist.Range;
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23 | import tudelft.utilities.junit.GeneralTests;
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24 |
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25 | public class NumberValueSetUtilTest
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26 | extends GeneralTests<NumberValueSetUtilities> {
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27 |
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28 | private static final BigDecimal lowval1 = new BigDecimal("12.5");
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29 | private static final BigDecimal low1util = new BigDecimal("0.5");
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30 | private static final BigDecimal low1utilb = new BigDecimal("0.6");
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31 | private static final BigDecimal highval = new BigDecimal("18.5");
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32 | private static final BigDecimal highvalb = new BigDecimal("18.4");
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33 | private static final BigDecimal highutil = new BigDecimal("0.9");
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34 | private static final NumberValueSetUtilities valueset1 = new NumberValueSetUtilities(
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35 | lowval1, low1util, highval, highutil);
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36 | private static final NumberValueSetUtilities valueset1b = new NumberValueSetUtilities(
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37 | lowval1, low1util, highval, highutil);
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38 | private static final NumberValueSetUtilities valueset2 = new NumberValueSetUtilities(
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39 | lowval1, low1utilb, highval, highutil);
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40 | private static final NumberValueSetUtilities valueset3 = new NumberValueSetUtilities(
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41 | lowval1, low1util, highvalb, highutil);
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42 | private static final BigDecimal ZERO_1 = new BigDecimal("0.1");
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43 | private final String utilstring = "{\"NumberValueSetUtilities\":{\"lowValue\":12.5,\"lowUtility\":0.5,\"highValue\":18.5,\"highUtility\":0.9}}";
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44 |
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45 | private static final ObjectMapper jackson = new ObjectMapper();
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46 |
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47 | @Override
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48 | public List<List<NumberValueSetUtilities>> getGeneralTestData() {
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49 | return Arrays.asList(Arrays.asList(valueset1, valueset1b),
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50 | Arrays.asList(valueset2), Arrays.asList(valueset3));
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51 | }
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52 |
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53 | @Override
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54 | public List<String> getGeneralTestStrings() {
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55 | return Arrays.asList("NumberValueSetUtilities\\(12.5->0.5,18.5->0.9\\)",
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56 | "NumberValueSetUtilities\\(12.5->0.6,18.5->0.9\\)",
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57 | "NumberValueSetUtilities\\(12.5->0.5,18.4->0.9\\)");
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58 | }
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59 |
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60 | @Test
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61 | public void smoketest() {
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62 | NumberValueSetUtilities utils = valueset1;
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63 | }
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64 |
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65 | @Test
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66 | public void utilAscentingTest() {
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67 | NumberValueSetUtilities utils = valueset1;
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68 | assertEquals(0,
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69 | low1util.compareTo(utils.getUtility(new NumberValue(lowval1))));
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70 | }
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71 |
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72 | @Test
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73 | public void utilDescendingTest() {
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74 | NumberValueSetUtilities utils = new NumberValueSetUtilities(lowval1,
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75 | highutil, highval, low1util);
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76 | assertEquals(0,
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77 | highutil.compareTo(utils.getUtility(new NumberValue(lowval1))));
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78 | }
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79 |
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80 | @Test(expected = IllegalArgumentException.class)
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81 | public void reverserangetest() {
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82 | NumberValueSetUtilities utils = new NumberValueSetUtilities(highval,
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83 | low1util, highval, highutil);
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84 | }
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85 |
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86 | @Test(expected = NullPointerException.class)
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87 | public void testNullHigh() {
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88 | NumberValueSetUtilities utils = new NumberValueSetUtilities(lowval1,
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89 | low1util, null, highutil);
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90 | }
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91 |
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92 | @Test(expected = NullPointerException.class)
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93 | public void testNullHighUtil() {
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94 | NumberValueSetUtilities utils = new NumberValueSetUtilities(lowval1,
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95 | low1util, highval, null);
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96 | }
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97 |
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98 | @Test(expected = NullPointerException.class)
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99 | public void testNullLow() {
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100 | NumberValueSetUtilities utils = new NumberValueSetUtilities(null,
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101 | low1util, highval, highutil);
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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 testNullLowUtil() {
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106 | NumberValueSetUtilities utils = new NumberValueSetUtilities(lowval1,
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107 | null, highval, highutil);
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108 | }
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109 |
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110 | @Test(expected = IllegalArgumentException.class)
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111 | public void testLowUtilNegative() {
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112 | NumberValueSetUtilities utils = new NumberValueSetUtilities(lowval1,
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113 | new BigDecimal("-0.2"), highval, highutil);
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114 | }
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115 |
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116 | @Test(expected = IllegalArgumentException.class)
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117 | public void testHighUtilNegative() {
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118 | NumberValueSetUtilities utils = new NumberValueSetUtilities(lowval1,
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119 | low1util, highval, new BigDecimal("-0.000003"));
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120 | }
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121 |
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122 | @Test
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123 | public void getUtilTest() {
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124 | NumberValueSetUtilities utils = new NumberValueSetUtilities(lowval1,
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125 | low1util, highval, highutil);
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126 | assertEquals(0,
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127 | highutil.compareTo(utils.getUtility(new NumberValue(highval))));
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128 | assertEquals(0,
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129 | low1util.compareTo(utils.getUtility(new NumberValue(lowval1))));
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130 | // linear interpolated , check center
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131 | BigDecimal middleutil = low1util.add(highutil)
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132 | .divide(new BigDecimal("2"));
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133 | NumberValue middleval = new NumberValue(
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134 | lowval1.add(highval).divide(new BigDecimal("2")));
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135 | assertEquals(0, middleutil.compareTo(utils.getUtility(middleval)));
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136 |
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137 | }
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138 |
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139 | @Test
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140 | public void testIsNotFittingRange() {
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141 | ValueSet valueset = new NumberValueSet(
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142 | new Range(low1util, highutil, new BigDecimal("0.02")));
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143 | ValueSetUtilities utilset = new NumberValueSetUtilities(lowval1,
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144 | low1util, highval, highutil);
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145 | assertEquals(
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146 | "the utilities are specified down to 12.5 but the valueset starts at 0.5",
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147 | utilset.isFitting(valueset));
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148 | }
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149 |
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150 | @Test
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151 | public void testTopOfRangeTooLarge() {
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152 | ValueSet valueset = new NumberValueSet(
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153 | new Range(lowval1, highval.subtract(ZERO_1), ZERO_1));
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154 | ValueSetUtilities utilset = new NumberValueSetUtilities(lowval1,
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155 | low1util, highval, highutil);
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156 | assertEquals(
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157 | "the utilities are specified up to 18.5 but the valueset ends at 18.4",
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158 | utilset.isFitting(valueset));
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159 | }
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160 |
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161 | @Test
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162 | public void testIsFitting() {
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163 | ValueSet valueset = new NumberValueSet(
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164 | new Range(lowval1, highval, BigDecimal.ONE));
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165 | ValueSetUtilities utilset = new NumberValueSetUtilities(lowval1,
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166 | low1util, highval, highutil);
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167 | assertEquals(null, utilset.isFitting(valueset));
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168 | }
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169 |
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170 | @Test
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171 | public void testIsFittingWrongType() {
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172 | DiscreteValue vala = new DiscreteValue("a");
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173 | DiscreteValue valb = new DiscreteValue("b");
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174 | ValueSet valueset = new DiscreteValueSet(Arrays.asList(vala, valb));
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175 |
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176 | NumberValueSetUtilities utilset = new NumberValueSetUtilities(lowval1,
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177 | low1util, highval, highutil);
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178 | assertEquals(
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179 | "The utilities are for a number valueset but the given values are DiscreteValueSet[\"a\", \"b\"]",
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180 | utilset.isFitting(valueset));
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181 |
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182 | }
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183 |
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184 | @Test
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185 | public void testSerialize() throws JsonProcessingException {
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186 |
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187 | String json = jackson.writeValueAsString(valueset1);
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188 | System.out.println(json);
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189 | assertEquals(utilstring, json);
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190 | }
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191 |
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192 | @Test
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193 | public void testDeserialize()
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194 | throws JsonParseException, JsonMappingException, IOException {
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195 | ValueSetUtilities valueutils = jackson.readValue(utilstring,
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196 | ValueSetUtilities.class);
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197 | assertEquals(valueset1, valueutils);
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198 |
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199 | }
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200 |
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201 | }
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