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1
16 package org.apache.commons.collections.iterators;
17
18 import java.util.Iterator  ;
19 import java.util.NoSuchElementException ;
20
21 import junit.framework.Test;
22 import junit.framework.TestSuite;
23
24
34 public class TestObjectArrayIterator extends AbstractTestIterator {
35
36 protected String [] testArray = { "One", "Two", "Three" };
37
38 public static Test suite() {
39 return new TestSuite(TestObjectArrayIterator.class);
40 }
41
42 public TestObjectArrayIterator(String testName) {
43 super(testName);
44 }
45
46 public Iterator makeEmptyIterator() {
47 return new ObjectArrayIterator(new Object [0]);
48 }
49
50 public Iterator makeFullIterator() {
51 return new ObjectArrayIterator(testArray);
52 }
53
54 public ObjectArrayIterator makeArrayIterator() {
55 return new ObjectArrayIterator();
56 }
57
58 public ObjectArrayIterator makeArrayIterator(Object [] array) {
59 return new ObjectArrayIterator(array);
60 }
61
62 public ObjectArrayIterator makeArrayIterator(Object [] array, int index) {
63 return new ObjectArrayIterator(array, index);
64 }
65
66 public ObjectArrayIterator makeArrayIterator(Object [] array, int start, int end) {
67 return new ObjectArrayIterator(array, start, end);
68 }
69
70 public boolean supportsRemove() {
71 return false;
72 }
73
74 public void testIterator() {
75 Iterator iter = (Iterator ) makeFullIterator();
76 for (int i = 0; i < testArray.length; i++) {
77 Object testValue = testArray[i];
78 Object iterValue = iter.next();
79
80 assertEquals("Iteration value is correct", testValue, iterValue);
81 }
82
83 assertTrue("Iterator should now be empty", !iter.hasNext());
84
85 try {
86 Object testValue = iter.next();
87 } catch (Exception e) {
88 assertTrue(
89 "NoSuchElementException must be thrown",
90 e.getClass().equals((new NoSuchElementException ()).getClass()));
91 }
92 }
93
94 public void testNullArray() {
95 try {
96 Iterator iter = makeArrayIterator(null);
97
98 fail("Constructor should throw a NullPointerException when constructed with a null array");
99 } catch (NullPointerException e) {
100 }
102
103 ObjectArrayIterator iter = makeArrayIterator();
104 try {
105 iter.setArray(null);
106
107 fail("setArray(null) should throw a NullPointerException");
108 } catch (NullPointerException e) {
109 }
111 }
112
113 public void testDoubleSet() {
114 ObjectArrayIterator it = makeArrayIterator();
115 it.setArray(new String [0]);
116 try {
117 it.setArray(new String [0]);
118 fail();
119 } catch (IllegalStateException ex) {
120 }
121 }
122
123 public void testReset() {
124 ObjectArrayIterator it = makeArrayIterator(testArray);
125 it.next();
126 it.reset();
127 assertEquals("One", it.next());
128 }
129
130 }
131 |
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