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1
6
7 package com.hp.hpl.jena.util.test;
8
9 import java.util.*;
10
11 import junit.framework.TestSuite;
12
13 import com.hp.hpl.jena.graph.test.GraphTestBase;
14 import com.hp.hpl.jena.util.*;
15 import com.hp.hpl.jena.util.iterator.*;
16
17
20 public class TestIteratorCollection extends GraphTestBase
21 {
22 public TestIteratorCollection( String  name )
23 { super( name ); }
24
25 public static TestSuite suite()
26 { return new TestSuite( TestIteratorCollection.class ); }
27
28 public void testEmptyToEmptySet()
29 {
30 assertEquals( CollectionFactory.createHashedSet(), IteratorCollection.iteratorToSet( NullIterator.instance ) );
31 }
32
33 public void testSingletonToSingleSet()
34 {
35 assertEquals( oneSet( "single" ), iteratorToSet( new SingletonIterator( "single" ) ) );
36 }
37
38 public void testLotsToSet()
39 {
40 Object [] elements = new Object [] {"now", "is", "the", "time"};
41 Iterator it = Arrays.asList( elements ).iterator();
42 assertEquals( setLots( elements ), IteratorCollection.iteratorToSet( it ) );
43 }
44
45 public void testCloseForSet()
46 {
47 testCloseForSet( new Object [] {} );
48 testCloseForSet( new Object [] {"one"} );
49 testCloseForSet( new Object [] {"to", "free", "for"} );
50 testCloseForSet( new Object [] {"another", "one", "plus", Boolean.FALSE} );
51 testCloseForSet( new Object [] {"the", "king", "is", "in", "his", "counting", "house"} );
52 }
53
54 protected void testCloseForSet( Object [] objects )
55 {
56 final boolean [] closed = {false};
57 Iterator iterator = new WrappedIterator( Arrays.asList( objects ).iterator() )
58 { public void close() { super.close(); closed[0] = true; } };
59 iteratorToSet( iterator );
60 assertTrue( closed[0] );
61 }
62
63 public void testEmptyToEmptyList()
64 {
65 assertEquals( new ArrayList(), IteratorCollection.iteratorToList( NullIterator.instance ) );
66 }
67
68 public void testSingletonToSingletonList()
69 {
70 assertEquals( oneList( "just one" ), IteratorCollection.iteratorToList( new SingletonIterator( "just one" ) ) );
71 }
72
73 public void testLotsToList()
74 {
75 List list = Arrays.asList( new Object [] {"to", "be", "or", "not", "to", "be"} );
76 assertEquals( list, IteratorCollection.iteratorToList( list.iterator() ) );
77 }
78
79 public void testCloseForList()
80 {
81 testCloseForList( new Object [] {} );
82 testCloseForList( new Object [] {"one"} );
83 testCloseForList( new Object [] {"to", "free", "for"} );
84 testCloseForList( new Object [] {"another", "one", "plus", Boolean.FALSE} );
85 testCloseForList( new Object [] {"the", "king", "is", "in", "his", "counting", "house"} );
86 }
87
88 protected void testCloseForList( Object [] objects )
89 {
90 final boolean [] closed = {false};
91 Iterator iterator = new WrappedIterator( Arrays.asList( objects ).iterator() )
92 { public void close() { super.close(); closed[0] = true; } };
93 iteratorToList( iterator );
94 assertTrue( closed[0] );
95 }
96
97 protected Set oneSet( Object x )
98 {
99 Set result = new HashSet();
100 result.add( x );
101 return result;
102 }
103
104 protected Set setLots( Object [] elements )
105 {
106 Set result = new HashSet();
107 for (int i = 0; i < elements.length; i += 1) result.add( elements[i] );
108 return result;
109 }
110
111 protected List oneList( Object x )
112 {
113 List result = new ArrayList();
114 result.add( x );
115 return result;
116 }
117 }
118
119 |
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