public KeyToGroupMapTests(String name) 
{
        super(name);
}

Constructs a new set of tests.

Parameters:

name - the name of the tests.

 public static Test suite() 
{
        return new TestSuite(KeyToGroupMapTests.class);
}

Returns the tests as a test suite.

 public  void testCloning() 
{
        KeyToGroupMap m1 = new KeyToGroupMap("Test");
        m1.mapKeyToGroup("K1", "G1");
        KeyToGroupMap m2 = null;
        try {
            m2 = (KeyToGroupMap) m1.clone();
        }
        catch (CloneNotSupportedException e) {
            System.err.println("Failed to clone.");
        }
        assertTrue(m1 != m2);
        assertTrue(m1.getClass() == m2.getClass());
        assertTrue(m1.equals(m2));
        // a small check for independence
        m1.mapKeyToGroup("K1", "G2");
        assertFalse(m1.equals(m2));
        m2.mapKeyToGroup("K1", "G2");
        assertTrue(m1.equals(m2));
}

Confirm that cloning works.

 public  void testEquals() 
{
     
        KeyToGroupMap m1 = new KeyToGroupMap("Default Group");
        KeyToGroupMap m2 = new KeyToGroupMap("Default Group");
        assertTrue(m1.equals(m2));
        assertTrue(m2.equals(m1));
        m1.mapKeyToGroup("K1", "G1");
        assertFalse(m1.equals(m2));
        m2.mapKeyToGroup("K1", "G1");
        assertTrue(m1.equals(m2));
}

Confirm that the equals method can distinguish all the required fields.

 public  void testGetGroup() 
{
        KeyToGroupMap m1 = new KeyToGroupMap("Default Group");
        // a key that hasn't been mapped should return the default group
        assertEquals("Default Group", m1.getGroup("K1"));
        m1.mapKeyToGroup("K1", "G1");
        assertEquals("G1", m1.getGroup("K1"));
        m1.mapKeyToGroup("K1", "G2");
        assertEquals("G2", m1.getGroup("K1"));
        m1.mapKeyToGroup("K1", null);
        assertEquals("Default Group", m1.getGroup("K1"));
        // a null argument should throw an exception
        boolean pass = false;
        try {
            Comparable g = m1.getGroup(null); 
            System.out.println(g);
        }
        catch (IllegalArgumentException e) {
            pass = true;   
        }
        assertTrue(pass);
}

Tests the getGroup() method.

 public  void testGetGroupIndex() 
{
        KeyToGroupMap m1 = new KeyToGroupMap("Default Group");
        // the default group is always at index 0
        assertEquals(0, m1.getGroupIndex("Default Group"));
        // a non-existent group should return -1
        assertEquals(-1, m1.getGroupIndex("G3"));
        // indices are assigned in the order that groups are originally mapped
        m1.mapKeyToGroup("K3", "G3");
        m1.mapKeyToGroup("K1", "G1");
        m1.mapKeyToGroup("K2", "G2");
        assertEquals(1, m1.getGroupIndex("G3"));
        assertEquals(2, m1.getGroupIndex("G1"));
        assertEquals(3, m1.getGroupIndex("G2"));
}

Tests the getGroupIndex() method.

 public  void testGroupCount() 
{
        KeyToGroupMap m1 = new KeyToGroupMap("Default Group");
        // a new map always has 1 group (the default group)
        assertEquals(1, m1.getGroupCount());
        // if the default group is not mapped to, it should still count towards
        // the group count...
        m1.mapKeyToGroup("C1", "G1");
        assertEquals(2, m1.getGroupCount());
        // now when the default group is mapped to, it shouldn't increase the
        // group count...
        m1.mapKeyToGroup("C2", "Default Group");
        assertEquals(2, m1.getGroupCount());
        // complicate things a little...
        m1.mapKeyToGroup("C3", "Default Group");
        m1.mapKeyToGroup("C4", "G2");
        m1.mapKeyToGroup("C5", "G2");
        m1.mapKeyToGroup("C6", "Default Group");
        assertEquals(3, m1.getGroupCount());
        // now overwrite group "G2"...
        m1.mapKeyToGroup("C4", "G1");
        m1.mapKeyToGroup("C5", "G1");
        assertEquals(2, m1.getGroupCount());
}

Tests that the getGroupCount() method returns the correct values under various circumstances.

 public  void testKeyCount() 
{
        KeyToGroupMap m1 = new KeyToGroupMap("Default Group");
        // a new map always has 1 group (the default group)
        assertEquals(0, m1.getKeyCount("Default Group"));
        // simple case
        m1.mapKeyToGroup("K1", "G1");
        assertEquals(1, m1.getKeyCount("G1"));
        m1.mapKeyToGroup("K1", null);
        assertEquals(0, m1.getKeyCount("G1"));
        // if there is an explicit mapping to the default group, it is counted
        m1.mapKeyToGroup("K2", "Default Group");
        assertEquals(1, m1.getKeyCount("Default Group"));
        // complicate things a little...
        m1.mapKeyToGroup("K3", "Default Group");
        m1.mapKeyToGroup("K4", "G2");
        m1.mapKeyToGroup("K5", "G2");
        m1.mapKeyToGroup("K6", "Default Group");
        assertEquals(3, m1.getKeyCount("Default Group"));
        assertEquals(2, m1.getKeyCount("G2"));
        // now overwrite group "G2"...
        m1.mapKeyToGroup("K4", "G1");
        m1.mapKeyToGroup("K5", "G1");
        assertEquals(2, m1.getKeyCount("G1")); 
        assertEquals(0, m1.getKeyCount("G2"));
}

Tests that the getKeyCount() method returns the correct values under various circumstances.

 public  void testMapKeyToGroup() 
{
        KeyToGroupMap m1 = new KeyToGroupMap("G1");
        // map a key to the default group
        m1.mapKeyToGroup("K1", "G1");
        assertEquals("G1", m1.getGroup("K1"));
        // map a key to a new group
        m1.mapKeyToGroup("K2", "G2");
        assertEquals("G2", m1.getGroup("K2"));
        // clear a mapping
        m1.mapKeyToGroup("K2", null);
        assertEquals("G1", m1.getGroup("K2"));  // after clearing, reverts to 
                                                // default group
        // check handling of null key
        boolean pass = false;
        try {
            m1.mapKeyToGroup(null, "G1");   
        }
        catch (IllegalArgumentException e) {
            pass = true;   
        }
        assertTrue(pass);
}

Tests the mapKeyToGroup() method.

 public  void testSerialization() 
{
        KeyToGroupMap m1 = new KeyToGroupMap("Test");
        KeyToGroupMap m2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(m1);
            out.close();
            ObjectInput in = new ObjectInputStream(
                new ByteArrayInputStream(buffer.toByteArray())
            );
            m2 = (KeyToGroupMap) in.readObject();
            in.close();
        }
        catch (Exception e) {
            System.out.println(e.toString());
        }
        assertEquals(m1, m2);
}

Serialize an instance, restore it, and check for equality.