1 | package geniusweb.issuevalue;
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2 |
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3 | import static org.junit.Assert.assertEquals;
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4 | import static org.junit.Assert.assertFalse;
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5 | import static org.junit.Assert.assertTrue;
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6 |
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7 | import java.io.IOException;
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8 | import java.math.BigInteger;
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9 | import java.util.Arrays;
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10 | import java.util.Collection;
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11 | import java.util.Iterator;
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12 | import java.util.List;
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13 |
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14 | import org.junit.Test;
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15 |
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16 | import com.fasterxml.jackson.core.JsonParseException;
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17 | import com.fasterxml.jackson.core.JsonProcessingException;
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18 | import com.fasterxml.jackson.databind.JsonMappingException;
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19 | import com.fasterxml.jackson.databind.ObjectMapper;
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20 |
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21 | import geniusweb.issuevalue.DiscreteValue;
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22 | import geniusweb.issuevalue.DiscreteValueSet;
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23 |
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24 | public class DiscreteValueSetTest {
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25 |
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26 | private static final DiscreteValue A = new DiscreteValue("a");
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27 | private static final DiscreteValue A1 = new DiscreteValue("a");
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28 | private static final DiscreteValue B = new DiscreteValue("b");
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29 | private final static List<DiscreteValue> values = Arrays.asList(A, B);
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30 | private final static Collection<DiscreteValue> valuesReverse = Arrays
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31 | .asList(B, A);
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32 |
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33 | private static final DiscreteValueSet set = new DiscreteValueSet(values);
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34 | private static final DiscreteValueSet setReverse = new DiscreteValueSet(
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35 | valuesReverse);
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36 | private static final String asString = "{\"values\":[\"a\",\"b\"]}";
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37 | // private static final String asString = "{\"discreteset\":[\"a\",\"b\"]}";
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38 | private static final String asString1 = "[\"a\",\"b\"]";
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39 |
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40 | // SPECIAL. note that the "numbers" have no leading "=" and therefore are
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41 | // parsed as discrete values.
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42 | private static final String discretenumbers = "{\"values\":[\"0\",\"1\"]}";
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43 |
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44 | @Test
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45 | public void testSerialize() throws JsonProcessingException {
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46 | ObjectMapper jackson = new ObjectMapper();
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47 |
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48 | String json = jackson.writeValueAsString(set);
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49 | System.out.println(json);
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50 | assertEquals(asString, json);
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51 | }
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52 |
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53 | @Test
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54 | public void testDeserialize()
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55 | throws JsonParseException, JsonMappingException, IOException {
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56 | ObjectMapper jackson = new ObjectMapper();
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57 | DiscreteValueSet p = jackson.readValue(asString,
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58 | DiscreteValueSet.class);
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59 | System.out.println(p);
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60 | assertEquals(set, p);
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61 | }
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62 |
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63 | @Test
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64 | public void testDeserializeNumberValues()
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65 | throws JsonParseException, JsonMappingException, IOException {
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66 | ObjectMapper jackson = new ObjectMapper();
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67 | DiscreteValueSet p = jackson.readValue(discretenumbers,
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68 | DiscreteValueSet.class);
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69 | System.out.println(p);
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70 | assertEquals("0", p.get(BigInteger.ZERO).getValue()); // not the number
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71 | // but string
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72 | assertEquals("1", p.get(BigInteger.ONE).getValue());
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73 | }
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74 |
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75 | @Test
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76 | public void testEquality() {
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77 | assertEquals(set, setReverse);
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78 | }
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79 |
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80 | @Test
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81 | public void testHashCodeInsensitiveToOrder() {
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82 | assertEquals(set.hashCode(), setReverse.hashCode());
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83 | }
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84 |
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85 | @Test
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86 | public void testSize() {
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87 | assertEquals(new BigInteger("2"), set.size());
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88 | }
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89 |
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90 | @Test
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91 | public void testGet() {
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92 | assertEquals(A, set.get(0));
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93 | assertEquals(B, set.get(1));
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94 | assertEquals(A, set.get(BigInteger.ZERO));
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95 | assertEquals(B, set.get(BigInteger.ONE));
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96 | }
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97 |
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98 | @Test
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99 | public void getValuesTest() {
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100 | assertEquals(values, set.getValues());
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101 | }
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102 |
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103 | @Test
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104 | public void testConstructor2() {
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105 | assertEquals(set, new DiscreteValueSet(A, B));
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106 | }
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107 |
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108 | @Test
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109 | public void containsTest() {
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110 | assertTrue(set.contains(A));
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111 | assertTrue(set.contains(A1));
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112 | assertTrue(set.contains(B));
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113 | assertFalse(set.contains(new DiscreteValue("c")));
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114 | assertFalse(set.contains(null));
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115 | }
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116 |
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117 | @Test
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118 | public void iteratorTest1() {
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119 | Iterator<DiscreteValue> it = set.iterator();
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120 | assertTrue(it.hasNext());
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121 | assertEquals(A, it.next());
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122 | assertTrue(it.hasNext());
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123 | assertEquals(B, it.next());
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124 | assertFalse(it.hasNext());
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125 |
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126 | }
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127 |
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128 | @Test
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129 | public void iteratorTest2() {
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130 | Iterator<DiscreteValue> it = setReverse.iterator();
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131 | assertTrue(it.hasNext());
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132 | assertEquals(B, it.next());
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133 | assertTrue(it.hasNext());
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134 | assertEquals(A, it.next());
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135 | assertFalse(it.hasNext());
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136 |
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137 | }
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138 |
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139 | }
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