@Test
public void testToListWithHashtable() {
final Hashtable<String, Integer> expected = new Hashtable<String, Integer>();
expected.put("one", Integer.valueOf(1));
expected.put("two", Integer.valueOf(2));
expected.put("three", Integer.valueOf(3));
// validate elements.
final List<Integer> actualEltList = EnumerationUtils.toList(expected.elements());
assertEquals(expected.size(), actualEltList.size());
assertTrue(actualEltList.contains(Integer.valueOf(1)));
assertTrue(actualEltList.contains(Integer.valueOf(2)));
assertTrue(actualEltList.contains(Integer.valueOf(3)));
final List<Integer> expectedEltList = new ArrayList<Integer>();
expectedEltList.add(Integer.valueOf(1));
expectedEltList.add(Integer.valueOf(2));
expectedEltList.add(Integer.valueOf(3));
assertTrue(actualEltList.containsAll(expectedEltList));
// validate keys.
final List<String> actualKeyList = EnumerationUtils.toList(expected.keys());
assertEquals(expected.size(), actualEltList.size());
assertTrue(actualKeyList.contains("one"));
assertTrue(actualKeyList.contains("two"));
assertTrue(actualKeyList.contains("three"));
final List<String> expectedKeyList = new ArrayList<String>();
expectedKeyList.add("one");
expectedKeyList.add("two");
expectedKeyList.add("three");
assertTrue(actualKeyList.containsAll(expectedKeyList));
}
@Test
public void getFromEnumeration() throws Exception {
// Enumeration, entry exists
final Vector<String> vector = new Vector<String>();
vector.addElement("zero");
vector.addElement("one");
Enumeration<String> en = vector.elements();
assertEquals("zero", EnumerationUtils.get(en, 0));
en = vector.elements();
assertEquals("one", EnumerationUtils.get(en, 1));
// Enumerator, non-existent entry
try {
EnumerationUtils.get(en, 3);
fail("Expecting IndexOutOfBoundsException.");
} catch (final IndexOutOfBoundsException e) {
// expected
}
assertTrue(!en.hasMoreElements());
}
@Test
public void testToListWithStringTokenizer() {
final List<String> expectedList1 = new ArrayList<String>();
final StringTokenizer st = new StringTokenizer(TO_LIST_FIXTURE);
while (st.hasMoreTokens()) {
expectedList1.add(st.nextToken());
}
final List<String> expectedList2 = new ArrayList<String>();
expectedList2.add("this");
expectedList2.add("is");
expectedList2.add("a");
expectedList2.add("test");
final List<String> actualList = EnumerationUtils.toList(new StringTokenizer(TO_LIST_FIXTURE));
assertEquals(expectedList1, expectedList2);
assertEquals(expectedList1, actualList);
assertEquals(expectedList2, actualList);
}
