test/tck/CopyOnWriteArraySetTest.java

/*
 * Written by members of JCP JSR-166 Expert Group and released to the
 * public domain. Use, modify, and redistribute this code in any way
 * without acknowledgement. Other contributors include Andrew Wright,
 * Jeffrey Hayes, Pat Fischer, Mike Judd.
 */

import junit.framework.*;
import java.util.*;
import java.util.concurrent.*;

public class CopyOnWriteArraySetTest extends TestCase{
    
    public static void main(String[] args) {
        junit.textui.TestRunner.run (suite());  
    }

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

    static CopyOnWriteArraySet fullSet(int n){
        CopyOnWriteArraySet a = new CopyOnWriteArraySet();
        assertTrue(a.isEmpty());
        for (int i = 0; i < n; ++i) 
            a.add(new Integer(i));
        assertFalse(a.isEmpty());
        assertEquals(n, a.size());
        return a;
    }

    /**
     *  Test to verify addAll correctly adds each element from the given collection
     */
    public void testAddAll(){
        CopyOnWriteArraySet full = fullSet(3);
        Vector v = new Vector();
        v.add(new Integer(3));
        v.add(new Integer(4));
        v.add(new Integer(5));
        full.addAll(v);
        assertEquals(6, full.size());
    }

    /**
     *  Test to verify addAllAbsent adds each element from the given collection that did not
     *  already exist in the List
     */
    public void testAddAll2(){
        CopyOnWriteArraySet full = fullSet(3);
        Vector v = new Vector();
        v.add(new Integer(3));
        v.add(new Integer(4));
        v.add(new Integer(1)); // will not add this element
        full.addAll(v);
        assertEquals(5, full.size());
    }

    /**
     *  Test to verify addIfAbsent will not add the element if it already exists in the list
     */
    public void testAdd2(){
        CopyOnWriteArraySet full = fullSet(3);
        full.add(new Integer(1));
        assertEquals(3, full.size());
    }

    /**
     *  test to verify addIfAbsent correctly adds the element when it does not exist in the list
     */
    public void testAdd3(){
        CopyOnWriteArraySet full = fullSet(3);
        full.add(new Integer(3));
        assertTrue(full.contains(new Integer(3)));
    }

    /**
     *  Test to verify clear correctly removes all elements from the list
     */
    public void testClear(){
        CopyOnWriteArraySet full = fullSet(3);
        full.clear();
        assertEquals(0, full.size());
    }

    /**
     *  Test to verify contains returns the correct values 
     */
    public void testContains(){
        CopyOnWriteArraySet full = fullSet(3);
        assertTrue(full.contains(new Integer(1)));
        assertFalse(full.contains(new Integer(5)));
    }

    public void testEquals() {
        CopyOnWriteArraySet a = fullSet(3);
        CopyOnWriteArraySet b = fullSet(3);
        assertTrue(a.equals(b));
        assertTrue(b.equals(a));
        assertEquals(a.hashCode(), b.hashCode());
        a.add(new Integer(-1));
        assertFalse(a.equals(b));
        assertFalse(b.equals(a));
        b.add(new Integer(-1));
        assertTrue(a.equals(b));
        assertTrue(b.equals(a));
        assertEquals(a.hashCode(), b.hashCode());
    }

    
    /**
     *  Test to verify containsAll returns the correct values
     */
    public void testContainsAll(){
        CopyOnWriteArraySet full = fullSet(3);
        Vector v = new Vector();
        v.add(new Integer(1));
        v.add(new Integer(2));
        assertTrue(full.containsAll(v));
        v.add(new Integer(6));
        assertFalse(full.containsAll(v));
    }

    /**
     *  Test to verify isEmpty returns the correct values
     */
    public void testIsEmpty(){
        CopyOnWriteArraySet empty = new CopyOnWriteArraySet();
        CopyOnWriteArraySet full = fullSet(3);
        assertTrue(empty.isEmpty());
        assertFalse(full.isEmpty());
    }

    /**
     *  Test to verify iterator() returns an iterator containing the elements of the list 
     */
    public void testIterator(){
        CopyOnWriteArraySet full = fullSet(3);
        Iterator i = full.iterator();
        int j;
        for(j = 0; i.hasNext(); j++)
            assertEquals(j, ((Integer)i.next()).intValue());
        assertEquals(3, j);
    }

    public void testIteratorRemove () {
        CopyOnWriteArraySet full = fullSet(3);
        Iterator it = full.iterator();
        it.next();
        try {
            it.remove();
            fail("should throw");
        }
        catch (UnsupportedOperationException success) {}
    }

    public void testToString(){
        CopyOnWriteArraySet full = fullSet(3);
        String s = full.toString();
        for (int i = 0; i < 3; ++i) {
            assertTrue(s.indexOf(String.valueOf(i)) >= 0);
        }
    }        


    /**
     *  Test to verify removeAll correctly removes all elements from the given collection
     */
    public void testRemoveAll(){
        CopyOnWriteArraySet full = fullSet(3);
        Vector v = new Vector();
        v.add(new Integer(1));
        v.add(new Integer(2));
        full.removeAll(v);
        assertEquals(1, full.size());
    }


    public void testRemove(){
        CopyOnWriteArraySet full = fullSet(3);
        full.remove(new Integer(1));
        assertFalse(full.contains(new Integer(1)));
        assertEquals(2, full.size());
    }

    /**
     *  Test to verify size returns the correct values
     */
    public void testSize(){
        CopyOnWriteArraySet empty = new CopyOnWriteArraySet();
        CopyOnWriteArraySet full = fullSet(3);
        assertEquals(3, full.size());
        assertEquals(0, empty.size());
    }

    /**
     *  Test to verify toArray returns an Object array containing all elements from the list
     */
    public void testToArray(){
        CopyOnWriteArraySet full = fullSet(3);
        Object[] o = full.toArray();
        assertEquals(3, o.length);
        assertEquals(0, ((Integer)o[0]).intValue());
        assertEquals(1, ((Integer)o[1]).intValue());
        assertEquals(2, ((Integer)o[2]).intValue());
    }

    /**
     *  test to verify toArray returns an Integer array containing all elements from the list
     */
    public void testToArray2(){
        CopyOnWriteArraySet full = fullSet(3);
        Integer[] i = new Integer[3];
        i = (Integer[])full.toArray(i);
        assertEquals(3, i.length);
        assertEquals(0, i[0].intValue());
        assertEquals(1, i[1].intValue());
        assertEquals(2, i[2].intValue());
    }


    // Exception tests

    /**
     *  Test to verify toArray throws an ArrayStoreException when the given array
     *  can not store the objects inside the list
     */
    public void testToArray_ArrayStoreException(){
        try{
            CopyOnWriteArraySet c = new CopyOnWriteArraySet();
            c.add("zfasdfsdf");
            c.add("asdadasd");
            c.toArray(new Long[5]);
            fail("Object[] toArray(Object[]) should throw ArrayStoreException");
        }catch(ArrayStoreException e){}
    }

}
Revision:	1.1
Committed:	Sun Aug 31 19:24:54 2003 UTC (20 years, 8 months ago) by dl
Branch:	MAIN
Log Message:	First check-in of tests to be in tck
#	Content
1	/*
2	* Written by members of JCP JSR-166 Expert Group and released to the
3	* public domain. Use, modify, and redistribute this code in any way
4	* without acknowledgement. Other contributors include Andrew Wright,
5	* Jeffrey Hayes, Pat Fischer, Mike Judd.
6	*/
7
8	import junit.framework.*;
9	import java.util.*;
10	import java.util.concurrent.*;
11
12	public class CopyOnWriteArraySetTest extends TestCase{
13
14	public static void main(String[] args) {
15	junit.textui.TestRunner.run (suite());
16	}
17
18	public static Test suite() {
19	return new TestSuite(CopyOnWriteArraySetTest.class);
20	}
21
22	static CopyOnWriteArraySet fullSet(int n){
23	CopyOnWriteArraySet a = new CopyOnWriteArraySet();
24	assertTrue(a.isEmpty());
25	for (int i = 0; i < n; ++i)
26	a.add(new Integer(i));
27	assertFalse(a.isEmpty());
28	assertEquals(n, a.size());
29	return a;
30	}
31
32	/**
33	* Test to verify addAll correctly adds each element from the given collection
34	*/
35	public void testAddAll(){
36	CopyOnWriteArraySet full = fullSet(3);
37	Vector v = new Vector();
38	v.add(new Integer(3));
39	v.add(new Integer(4));
40	v.add(new Integer(5));
41	full.addAll(v);
42	assertEquals(6, full.size());
43	}
44
45	/**
46	* Test to verify addAllAbsent adds each element from the given collection that did not
47	* already exist in the List
48	*/
49	public void testAddAll2(){
50	CopyOnWriteArraySet full = fullSet(3);
51	Vector v = new Vector();
52	v.add(new Integer(3));
53	v.add(new Integer(4));
54	v.add(new Integer(1)); // will not add this element
55	full.addAll(v);
56	assertEquals(5, full.size());
57	}
58
59	/**
60	* Test to verify addIfAbsent will not add the element if it already exists in the list
61	*/
62	public void testAdd2(){
63	CopyOnWriteArraySet full = fullSet(3);
64	full.add(new Integer(1));
65	assertEquals(3, full.size());
66	}
67
68	/**
69	* test to verify addIfAbsent correctly adds the element when it does not exist in the list
70	*/
71	public void testAdd3(){
72	CopyOnWriteArraySet full = fullSet(3);
73	full.add(new Integer(3));
74	assertTrue(full.contains(new Integer(3)));
75	}
76
77	/**
78	* Test to verify clear correctly removes all elements from the list
79	*/
80	public void testClear(){
81	CopyOnWriteArraySet full = fullSet(3);
82	full.clear();
83	assertEquals(0, full.size());
84	}
85
86	/**
87	* Test to verify contains returns the correct values
88	*/
89	public void testContains(){
90	CopyOnWriteArraySet full = fullSet(3);
91	assertTrue(full.contains(new Integer(1)));
92	assertFalse(full.contains(new Integer(5)));
93	}
94
95	public void testEquals() {
96	CopyOnWriteArraySet a = fullSet(3);
97	CopyOnWriteArraySet b = fullSet(3);
98	assertTrue(a.equals(b));
99	assertTrue(b.equals(a));
100	assertEquals(a.hashCode(), b.hashCode());
101	a.add(new Integer(-1));
102	assertFalse(a.equals(b));
103	assertFalse(b.equals(a));
104	b.add(new Integer(-1));
105	assertTrue(a.equals(b));
106	assertTrue(b.equals(a));
107	assertEquals(a.hashCode(), b.hashCode());
108	}
109
110
111	/**
112	* Test to verify containsAll returns the correct values
113	*/
114	public void testContainsAll(){
115	CopyOnWriteArraySet full = fullSet(3);
116	Vector v = new Vector();
117	v.add(new Integer(1));
118	v.add(new Integer(2));
119	assertTrue(full.containsAll(v));
120	v.add(new Integer(6));
121	assertFalse(full.containsAll(v));
122	}
123
124	/**
125	* Test to verify isEmpty returns the correct values
126	*/
127	public void testIsEmpty(){
128	CopyOnWriteArraySet empty = new CopyOnWriteArraySet();
129	CopyOnWriteArraySet full = fullSet(3);
130	assertTrue(empty.isEmpty());
131	assertFalse(full.isEmpty());
132	}
133
134	/**
135	* Test to verify iterator() returns an iterator containing the elements of the list
136	*/
137	public void testIterator(){
138	CopyOnWriteArraySet full = fullSet(3);
139	Iterator i = full.iterator();
140	int j;
141	for(j = 0; i.hasNext(); j++)
142	assertEquals(j, ((Integer)i.next()).intValue());
143	assertEquals(3, j);
144	}
145
146	public void testIteratorRemove () {
147	CopyOnWriteArraySet full = fullSet(3);
148	Iterator it = full.iterator();
149	it.next();
150	try {
151	it.remove();
152	fail("should throw");
153	}
154	catch (UnsupportedOperationException success) {}
155	}
156
157	public void testToString(){
158	CopyOnWriteArraySet full = fullSet(3);
159	String s = full.toString();
160	for (int i = 0; i < 3; ++i) {
161	assertTrue(s.indexOf(String.valueOf(i)) >= 0);
162	}
163	}
164
165
166	/**
167	* Test to verify removeAll correctly removes all elements from the given collection
168	*/
169	public void testRemoveAll(){
170	CopyOnWriteArraySet full = fullSet(3);
171	Vector v = new Vector();
172	v.add(new Integer(1));
173	v.add(new Integer(2));
174	full.removeAll(v);
175	assertEquals(1, full.size());
176	}
177
178
179	public void testRemove(){
180	CopyOnWriteArraySet full = fullSet(3);
181	full.remove(new Integer(1));
182	assertFalse(full.contains(new Integer(1)));
183	assertEquals(2, full.size());
184	}
185
186	/**
187	* Test to verify size returns the correct values
188	*/
189	public void testSize(){
190	CopyOnWriteArraySet empty = new CopyOnWriteArraySet();
191	CopyOnWriteArraySet full = fullSet(3);
192	assertEquals(3, full.size());
193	assertEquals(0, empty.size());
194	}
195
196	/**
197	* Test to verify toArray returns an Object array containing all elements from the list
198	*/
199	public void testToArray(){
200	CopyOnWriteArraySet full = fullSet(3);
201	Object[] o = full.toArray();
202	assertEquals(3, o.length);
203	assertEquals(0, ((Integer)o[0]).intValue());
204	assertEquals(1, ((Integer)o[1]).intValue());
205	assertEquals(2, ((Integer)o[2]).intValue());
206	}
207
208	/**
209	* test to verify toArray returns an Integer array containing all elements from the list
210	*/
211	public void testToArray2(){
212	CopyOnWriteArraySet full = fullSet(3);
213	Integer[] i = new Integer[3];
214	i = (Integer[])full.toArray(i);
215	assertEquals(3, i.length);
216	assertEquals(0, i[0].intValue());
217	assertEquals(1, i[1].intValue());
218	assertEquals(2, i[2].intValue());
219	}
220
221
222
223	// Exception tests
224
225	/**
226	* Test to verify toArray throws an ArrayStoreException when the given array
227	* can not store the objects inside the list
228	*/
229	public void testToArray_ArrayStoreException(){
230	try{
231	CopyOnWriteArraySet c = new CopyOnWriteArraySet();
232	c.add("zfasdfsdf");
233	c.add("asdadasd");
234	c.toArray(new Long[5]);
235	fail("Object[] toArray(Object[]) should throw ArrayStoreException");
236	}catch(ArrayStoreException e){}
237	}
238
239	}