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17 package org.apache.commons.collections4.set;
18
19 import static org.junit.jupiter.api.Assertions.assertEquals;
20 import static org.junit.jupiter.api.Assertions.assertTrue;
21
22 import java.util.Arrays;
23 import java.util.Collections;
24 import java.util.Set;
25 import java.util.SortedSet;
26 import java.util.TreeSet;
27
28 import org.apache.commons.collections4.Transformer;
29 import org.apache.commons.collections4.collection.TransformedCollectionTest;
30 import org.junit.jupiter.api.Test;
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36 public class TransformedSortedSetTest<E> extends AbstractSortedSetTest<E> {
37
38 public TransformedSortedSetTest() {
39 super(TransformedSortedSetTest.class.getSimpleName());
40 }
41
42 @Override
43 public String getCompatibilityVersion() {
44 return "4";
45 }
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47 @Override
48 @SuppressWarnings("unchecked")
49 public SortedSet<E> makeFullCollection() {
50 final SortedSet<E> set = new TreeSet<>(Arrays.asList(getFullElements()));
51 return TransformedSortedSet.transformingSortedSet(set, (Transformer<E, E>) TransformedCollectionTest.NOOP_TRANSFORMER);
52 }
53
54 @Override
55 @SuppressWarnings("unchecked")
56 public SortedSet<E> makeObject() {
57 return TransformedSortedSet.transformingSortedSet(new TreeSet<>(), (Transformer<E, E>) TransformedCollectionTest.NOOP_TRANSFORMER);
58 }
59
60 @Test
61 @SuppressWarnings("unchecked")
62 public void testTransformedSet() {
63 final SortedSet<E> set = TransformedSortedSet.transformingSortedSet(new TreeSet<>(),
64 (Transformer<E, E>) TransformedCollectionTest.STRING_TO_INTEGER_TRANSFORMER);
65 assertEquals(0, set.size());
66 final E[] els = (E[]) new Object[] { "1", "3", "5", "7", "2", "4", "6" };
67 for (int i = 0; i < els.length; i++) {
68 set.add(els[i]);
69 assertEquals(i + 1, set.size());
70 assertTrue(set.contains(Integer.valueOf((String) els[i])));
71 }
72
73 assertTrue(set.remove(Integer.valueOf((String) els[0])));
74 }
75
76 @Test
77 public void testTransformedSet_decorateTransform() {
78 final Set<Object> originalSet = new TreeSet<>();
79 final Object[] els = {"1", "3", "5", "7", "2", "4", "6"};
80 Collections.addAll(originalSet, els);
81 final Set<?> set = TransformedSet.transformedSet(originalSet, TransformedCollectionTest.STRING_TO_INTEGER_TRANSFORMER);
82 assertEquals(els.length, set.size());
83 for (final Object el : els) {
84 assertTrue(set.contains(Integer.valueOf((String) el)));
85 }
86
87 assertTrue(set.remove(Integer.valueOf((String) els[0])));
88 }
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97 }