1 17 package org.apache.commons.collections.primitives; 18 19 import junit.framework.Test; 20 import junit.framework.TestCase; 21 import junit.framework.TestSuite; 22 23 27 public class TestByteCollections extends TestCase { 28 29 31 public TestByteCollections(String testName) { 32 super(testName); 33 } 34 35 public static Test suite() { 36 return new TestSuite(TestByteCollections.class); 37 } 38 39 41 public void testSingletonByteListIterator() { 42 ByteListIterator iter = ByteCollections.singletonByteListIterator((byte)17); 43 assertTrue(!iter.hasPrevious()); 44 assertTrue(iter.hasNext()); 45 assertEquals(17,iter.next()); 46 assertTrue(iter.hasPrevious()); 47 assertTrue(!iter.hasNext()); 48 assertEquals(17,iter.previous()); 49 try { 50 iter.set((byte)18); 51 fail("Expected UnsupportedOperationException"); 52 } catch(UnsupportedOperationException e) { 53 } 55 } 56 57 public void testSingletonByteIterator() { 58 ByteIterator iter = ByteCollections.singletonByteIterator((byte)17); 59 assertTrue(iter.hasNext()); 60 assertEquals(17,iter.next()); 61 assertTrue(!iter.hasNext()); 62 try { 63 iter.remove(); 64 fail("Expected UnsupportedOperationException"); 65 } catch(UnsupportedOperationException e) { 66 } 68 } 69 70 public void testSingletonByteList() { 71 ByteList list = ByteCollections.singletonByteList((byte)17); 72 assertEquals(1,list.size()); 73 assertEquals(17,list.get(0)); 74 try { 75 list.add((byte)18); 76 fail("Expected UnsupportedOperationException"); 77 } catch(UnsupportedOperationException e) { 78 } 80 } 81 82 public void testUnmodifiableByteListNull() { 83 try { 84 ByteCollections.unmodifiableByteList(null); 85 fail("Expected NullPointerException"); 86 } catch(NullPointerException e) { 87 } 89 } 90 91 public void testEmptyByteList() { 92 assertSame(ByteCollections.EMPTY_BYTE_LIST,ByteCollections.getEmptyByteList()); 93 assertTrue(ByteCollections.EMPTY_BYTE_LIST.isEmpty()); 94 try { 95 ByteCollections.EMPTY_BYTE_LIST.add((byte)1); 96 fail("Expected UnsupportedOperationExcpetion"); 97 } catch(UnsupportedOperationException e) { 98 } 100 } 101 102 public void testUnmodifiableByteIteratorNull() { 103 try { 104 ByteCollections.unmodifiableByteIterator(null); 105 fail("Expected NullPointerException"); 106 } catch(NullPointerException e) { 107 } 109 } 110 111 public void testEmptyByteIterator() { 112 assertSame(ByteCollections.EMPTY_BYTE_ITERATOR,ByteCollections.getEmptyByteIterator()); 113 assertTrue(! ByteCollections.EMPTY_BYTE_ITERATOR.hasNext()); 114 try { 115 ByteCollections.EMPTY_BYTE_ITERATOR.remove(); 116 fail("Expected UnsupportedOperationExcpetion"); 117 } catch(UnsupportedOperationException e) { 118 } 120 } 121 122 public void testUnmodifiableByteListIteratorNull() { 123 try { 124 ByteCollections.unmodifiableByteListIterator(null); 125 fail("Expected NullPointerException"); 126 } catch(NullPointerException e) { 127 } 129 } 130 131 public void testEmptyByteListIterator() { 132 assertSame(ByteCollections.EMPTY_BYTE_LIST_ITERATOR,ByteCollections.getEmptyByteListIterator()); 133 assertTrue(! ByteCollections.EMPTY_BYTE_LIST_ITERATOR.hasNext()); 134 assertTrue(! ByteCollections.EMPTY_BYTE_LIST_ITERATOR.hasPrevious()); 135 try { 136 ByteCollections.EMPTY_BYTE_LIST_ITERATOR.add((byte)1); 137 fail("Expected UnsupportedOperationExcpetion"); 138 } catch(UnsupportedOperationException e) { 139 } 141 } 142 } 143 144 | Popular Tags |