test/tck/CopyOnWriteArrayListTest.java

/*
 * Written by Doug Lea with assistance from members of JCP JSR-166
 * Expert Group and released to the public domain, as explained at
 * http://creativecommons.org/publicdomain/zero/1.0/
 * Other contributors include Andrew Wright, Jeffrey Hayes,
 * Pat Fisher, Mike Judd.
 */

import junit.framework.*;
import java.util.Arrays;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.ListIterator;
import java.util.Vector;
import java.util.concurrent.CopyOnWriteArrayList;

public class CopyOnWriteArrayListTest extends JSR166TestCase {

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

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

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

    /**
     * a new list is empty
     */
    public void testConstructor() {
        CopyOnWriteArrayList a = new CopyOnWriteArrayList();
        assertTrue(a.isEmpty());
    }

    /**
     * new list contains all elements of initializing array
     */
    public void testConstructor2() {
        Integer[] ints = new Integer[SIZE];
        for (int i = 0; i < SIZE-1; ++i)
            ints[i] = new Integer(i);
        CopyOnWriteArrayList a = new CopyOnWriteArrayList(ints);
        for (int i = 0; i < SIZE; ++i)
            assertEquals(ints[i], a.get(i));
    }

    /**
     * new list contains all elements of initializing collection
     */
    public void testConstructor3() {
        Integer[] ints = new Integer[SIZE];
        for (int i = 0; i < SIZE-1; ++i)
            ints[i] = new Integer(i);
        CopyOnWriteArrayList a = new CopyOnWriteArrayList(Arrays.asList(ints));
        for (int i = 0; i < SIZE; ++i)
            assertEquals(ints[i], a.get(i));
    }

    /**
     * addAll adds each element from the given collection
     */
    public void testAddAll() {
        CopyOnWriteArrayList full = populatedArray(3);
        Vector v = new Vector();
        v.add(three);
        v.add(four);
        v.add(five);
        full.addAll(v);
        assertEquals(6, full.size());
    }

    /**
     * addAllAbsent adds each element from the given collection that did not
     * already exist in the List
     */
    public void testAddAllAbsent() {
        CopyOnWriteArrayList full = populatedArray(3);
        Vector v = new Vector();
        v.add(three);
        v.add(four);
        v.add(one); // will not add this element
        full.addAllAbsent(v);
        assertEquals(5, full.size());
    }

    /**
     * addIfAbsent will not add the element if it already exists in the list
     */
    public void testAddIfAbsent() {
        CopyOnWriteArrayList full = populatedArray(SIZE);
        full.addIfAbsent(one);
        assertEquals(SIZE, full.size());
    }

    /**
     * addIfAbsent adds the element when it does not exist in the list
     */
    public void testAddIfAbsent2() {
        CopyOnWriteArrayList full = populatedArray(SIZE);
        full.addIfAbsent(three);
        assertTrue(full.contains(three));
    }

    /**
     * clear removes all elements from the list
     */
    public void testClear() {
        CopyOnWriteArrayList full = populatedArray(SIZE);
        full.clear();
        assertEquals(0, full.size());
    }

    /**
     * Cloned list is equal
     */
    public void testClone() {
        CopyOnWriteArrayList l1 = populatedArray(SIZE);
        CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone());
        assertEquals(l1, l2);
        l1.clear();
        assertFalse(l1.equals(l2));
    }

    /**
     * contains is true for added elements
     */
    public void testContains() {
        CopyOnWriteArrayList full = populatedArray(3);
        assertTrue(full.contains(one));
        assertFalse(full.contains(five));
    }

    /**
     * adding at an index places it in the indicated index
     */
    public void testAddIndex() {
        CopyOnWriteArrayList full = populatedArray(3);
        full.add(0, m1);
        assertEquals(4, full.size());
        assertEquals(m1, full.get(0));
        assertEquals(zero, full.get(1));

        full.add(2, m2);
        assertEquals(5, full.size());
        assertEquals(m2, full.get(2));
        assertEquals(two, full.get(4));
    }

    /**
     * lists with same elements are equal and have same hashCode
     */
    public void testEquals() {
        CopyOnWriteArrayList a = populatedArray(3);
        CopyOnWriteArrayList b = populatedArray(3);
        assertTrue(a.equals(b));
        assertTrue(b.equals(a));
        assertEquals(a.hashCode(), b.hashCode());
        a.add(m1);
        assertFalse(a.equals(b));
        assertFalse(b.equals(a));
        b.add(m1);
        assertTrue(a.equals(b));
        assertTrue(b.equals(a));
        assertEquals(a.hashCode(), b.hashCode());
    }

    /**
     * containsAll returns true for collection with subset of elements
     */
    public void testContainsAll() {
        CopyOnWriteArrayList full = populatedArray(3);
        Vector v = new Vector();
        v.add(one);
        v.add(two);
        assertTrue(full.containsAll(v));
        v.add(six);
        assertFalse(full.containsAll(v));
    }

    /**
     * get returns the value at the given index
     */
    public void testGet() {
        CopyOnWriteArrayList full = populatedArray(3);
        assertEquals(0, full.get(0));
    }

    /**
     * indexOf gives the index for the given object
     */
    public void testIndexOf() {
        CopyOnWriteArrayList full = populatedArray(3);
        assertEquals(1, full.indexOf(one));
        assertEquals(-1, full.indexOf("puppies"));
    }

    /**
     * indexOf gives the index based on the given index
     * at which to start searching
     */
    public void testIndexOf2() {
        CopyOnWriteArrayList full = populatedArray(3);
        assertEquals(1, full.indexOf(one, 0));
        assertEquals(-1, full.indexOf(one, 2));
    }

    /**
     * isEmpty returns true when empty, else false
     */
    public void testIsEmpty() {
        CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
        CopyOnWriteArrayList full = populatedArray(SIZE);
        assertTrue(empty.isEmpty());
        assertFalse(full.isEmpty());
    }

    /**
     * iterator() returns an iterator containing the elements of the list
     */
    public void testIterator() {
        CopyOnWriteArrayList full = populatedArray(SIZE);
        Iterator i = full.iterator();
        int j;
        for (j = 0; i.hasNext(); j++)
            assertEquals(j, i.next());
        assertEquals(SIZE, j);
    }

    /**
     * iterator.remove throws UnsupportedOperationException
     */
    public void testIteratorRemove() {
        CopyOnWriteArrayList full = populatedArray(SIZE);
        Iterator it = full.iterator();
        it.next();
        try {
            it.remove();
            shouldThrow();
        } catch (UnsupportedOperationException success) {}
    }

    /**
     * toString contains toString of elements
     */
    public void testToString() {
        CopyOnWriteArrayList full = populatedArray(3);
        String s = full.toString();
        for (int i = 0; i < 3; ++i) {
            assertTrue(s.contains(String.valueOf(i)));
        }
    }

    /**
     * lastIndexOf returns the index for the given object
     */
    public void testLastIndexOf1() {
        CopyOnWriteArrayList full = populatedArray(3);
        full.add(one);
        full.add(three);
        assertEquals(3, full.lastIndexOf(one));
        assertEquals(-1, full.lastIndexOf(six));
    }

    /**
     * lastIndexOf returns the index from the given starting point
     */
    public void testLastIndexOf2() {
        CopyOnWriteArrayList full = populatedArray(3);
        full.add(one);
        full.add(three);
        assertEquals(3, full.lastIndexOf(one, 4));
        assertEquals(-1, full.lastIndexOf(three, 3));
    }

    /**
     * listIterator traverses all elements
     */
    public void testListIterator1() {
        CopyOnWriteArrayList full = populatedArray(SIZE);
        ListIterator i = full.listIterator();
        int j;
        for (j = 0; i.hasNext(); j++)
            assertEquals(j, i.next());
        assertEquals(SIZE, j);
    }

    /**
     * listIterator only returns those elements after the given index
     */
    public void testListIterator2() {
        CopyOnWriteArrayList full = populatedArray(3);
        ListIterator i = full.listIterator(1);
        int j;
        for (j = 0; i.hasNext(); j++)
            assertEquals(j+1, i.next());
        assertEquals(2, j);
    }

    /**
     * remove removes and returns the object at the given index
     */
    public void testRemove() {
        CopyOnWriteArrayList full = populatedArray(3);
        assertEquals(2, full.remove(2));
        assertEquals(2, full.size());
    }

    /**
     * removeAll removes all elements from the given collection
     */
    public void testRemoveAll() {
        CopyOnWriteArrayList full = populatedArray(3);
        Vector v = new Vector();
        v.add(one);
        v.add(two);
        full.removeAll(v);
        assertEquals(1, full.size());
    }

    /**
     * set changes the element at the given index
     */
    public void testSet() {
        CopyOnWriteArrayList full = populatedArray(3);
        assertEquals(2, full.set(2, four));
        assertEquals(4, full.get(2));
    }

    /**
     * size returns the number of elements
     */
    public void testSize() {
        CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
        CopyOnWriteArrayList full = populatedArray(SIZE);
        assertEquals(SIZE, full.size());
        assertEquals(0, empty.size());
    }

    /**
     * toArray returns an Object array containing all elements from the list
     */
    public void testToArray() {
        CopyOnWriteArrayList full = populatedArray(3);
        Object[] o = full.toArray();
        assertEquals(3, o.length);
        assertEquals(0, o[0]);
        assertEquals(1, o[1]);
        assertEquals(2, o[2]);
    }

    /**
     * toArray returns an Integer array containing all elements from
     * the list
     */
    public void testToArray2() {
        CopyOnWriteArrayList full = populatedArray(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());
    }

    /**
     * sublists contains elements at indexes offset from their base
     */
    public void testSubList() {
        CopyOnWriteArrayList a = populatedArray(10);
        assertTrue(a.subList(1,1).isEmpty());
        for (int j = 0; j < 9; ++j) {
            for (int i = j ; i < 10; ++i) {
                List b = a.subList(j,i);
                for (int k = j; k < i; ++k) {
                    assertEquals(new Integer(k), b.get(k-j));
                }
            }
        }

        List s = a.subList(2, 5);
        assertEquals(3, s.size());
        s.set(2, m1);
        assertEquals(a.get(4), m1);
        s.clear();
        assertEquals(7, a.size());
    }

    // Exception tests

    /**
     * toArray throws an ArrayStoreException when the given array
     * can not store the objects inside the list
     */
    public void testToArray_ArrayStoreException() {
        try {
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.add("zfasdfsdf");
            c.add("asdadasd");
            c.toArray(new Long[5]);
            shouldThrow();
        } catch (ArrayStoreException success) {}
    }

    /**
     * get throws an IndexOutOfBoundsException on a negative index
     */
    public void testGet1_IndexOutOfBoundsException() {
        try {
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.get(-1);
            shouldThrow();
        } catch (IndexOutOfBoundsException success) {}
    }

    /**
     * get throws an IndexOutOfBoundsException on a too high index
     */
    public void testGet2_IndexOutOfBoundsException() {
        try {
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.add("asdasd");
            c.add("asdad");
            c.get(100);
            shouldThrow();
        } catch (IndexOutOfBoundsException success) {}
    }

    /**
     * set throws an IndexOutOfBoundsException on a negative index
     */
    public void testSet1_IndexOutOfBoundsException() {
        try {
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.set(-1,"qwerty");
            shouldThrow();
        } catch (IndexOutOfBoundsException success) {}
    }

    /**
     * set throws an IndexOutOfBoundsException on a too high index
     */
    public void testSet2() {
        try {
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.add("asdasd");
            c.add("asdad");
            c.set(100, "qwerty");
            shouldThrow();
        } catch (IndexOutOfBoundsException success) {}
    }

    /**
     * add throws an IndexOutOfBoundsException on a negative index
     */
    public void testAdd1_IndexOutOfBoundsException() {
        try {
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.add(-1,"qwerty");
            shouldThrow();
        } catch (IndexOutOfBoundsException success) {}
    }

    /**
     * add throws an IndexOutOfBoundsException on a too high index
     */
    public void testAdd2_IndexOutOfBoundsException() {
        try {
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.add("asdasd");
            c.add("asdasdasd");
            c.add(100, "qwerty");
            shouldThrow();
        } catch (IndexOutOfBoundsException success) {}
    }

    /**
     * remove throws an IndexOutOfBoundsException on a negative index
     */
    public void testRemove1_IndexOutOfBounds() {
        try {
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.remove(-1);
            shouldThrow();
        } catch (IndexOutOfBoundsException success) {}
    }

    /**
     * remove throws an IndexOutOfBoundsException on a too high index
     */
    public void testRemove2_IndexOutOfBounds() {
        try {
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.add("asdasd");
            c.add("adasdasd");
            c.remove(100);
            shouldThrow();
        } catch (IndexOutOfBoundsException success) {}
    }

    /**
     * addAll throws an IndexOutOfBoundsException on a negative index
     */
    public void testAddAll1_IndexOutOfBoundsException() {
        try {
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.addAll(-1,new LinkedList());
            shouldThrow();
        } catch (IndexOutOfBoundsException success) {}
    }

    /**
     * addAll throws an IndexOutOfBoundsException on a too high index
     */
    public void testAddAll2_IndexOutOfBoundsException() {
        try {
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.add("asdasd");
            c.add("asdasdasd");
            c.addAll(100, new LinkedList());
            shouldThrow();
        } catch (IndexOutOfBoundsException success) {}
    }

    /**
     * listIterator throws an IndexOutOfBoundsException on a negative index
     */
    public void testListIterator1_IndexOutOfBoundsException() {
        try {
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.listIterator(-1);
            shouldThrow();
        } catch (IndexOutOfBoundsException success) {}
    }

    /**
     * listIterator throws an IndexOutOfBoundsException on a too high index
     */
    public void testListIterator2_IndexOutOfBoundsException() {
        try {
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.add("adasd");
            c.add("asdasdas");
            c.listIterator(100);
            shouldThrow();
        } catch (IndexOutOfBoundsException success) {}
    }

    /**
     * subList throws an IndexOutOfBoundsException on a negative index
     */
    public void testSubList1_IndexOutOfBoundsException() {
        try {
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.subList(-1,100);
            shouldThrow();
        } catch (IndexOutOfBoundsException success) {}
    }

    /**
     * subList throws an IndexOutOfBoundsException on a too high index
     */
    public void testSubList2_IndexOutOfBoundsException() {
        try {
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.add("asdasd");
            c.subList(1,100);
            shouldThrow();
        } catch (IndexOutOfBoundsException success) {}
    }

    /**
     * subList throws IndexOutOfBoundsException when the second index
     * is lower then the first
     */
    public void testSubList3_IndexOutOfBoundsException() {
        try {
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.subList(3,1);
            shouldThrow();
        } catch (IndexOutOfBoundsException success) {}
    }

    /**
     * a deserialized serialized list is equal
     */
    public void testSerialization() throws Exception {
        List x = populatedArray(SIZE);
        List y = serialClone(x);

        assertTrue(x != y);
        assertEquals(x.size(), y.size());
        assertEquals(x.toString(), y.toString());
        assertTrue(Arrays.equals(x.toArray(), y.toArray()));
        assertEquals(x, y);
        assertEquals(y, x);
        while (!x.isEmpty()) {
            assertFalse(y.isEmpty());
            assertEquals(x.remove(0), y.remove(0));
        }
        assertTrue(y.isEmpty());
    }

}
Revision:	1.24
Committed:	Sat Nov 26 05:19:17 2011 UTC (12 years, 5 months ago) by jsr166
Branch:	MAIN
Changes since 1.23:	+2 -2 lines
Log Message:	assertEquals argument order
#	Content
1	/*
2	* Written by Doug Lea with assistance from members of JCP JSR-166
3	* Expert Group and released to the public domain, as explained at
4	* http://creativecommons.org/publicdomain/zero/1.0/
5	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	* Pat Fisher, Mike Judd.
7	*/
8
9	import junit.framework.*;
10	import java.util.Arrays;
11	import java.util.Iterator;
12	import java.util.LinkedList;
13	import java.util.List;
14	import java.util.ListIterator;
15	import java.util.Vector;
16	import java.util.concurrent.CopyOnWriteArrayList;
17
18	public class CopyOnWriteArrayListTest extends JSR166TestCase {
19
20	public static void main(String[] args) {
21	junit.textui.TestRunner.run(suite());
22	}
23
24	public static Test suite() {
25	return new TestSuite(CopyOnWriteArrayListTest.class);
26	}
27
28	static CopyOnWriteArrayList populatedArray(int n) {
29	CopyOnWriteArrayList a = new CopyOnWriteArrayList();
30	assertTrue(a.isEmpty());
31	for (int i = 0; i < n; ++i)
32	a.add(new Integer(i));
33	assertFalse(a.isEmpty());
34	assertEquals(n, a.size());
35	return a;
36	}
37
38	/**
39	* a new list is empty
40	*/
41	public void testConstructor() {
42	CopyOnWriteArrayList a = new CopyOnWriteArrayList();
43	assertTrue(a.isEmpty());
44	}
45
46	/**
47	* new list contains all elements of initializing array
48	*/
49	public void testConstructor2() {
50	Integer[] ints = new Integer[SIZE];
51	for (int i = 0; i < SIZE-1; ++i)
52	ints[i] = new Integer(i);
53	CopyOnWriteArrayList a = new CopyOnWriteArrayList(ints);
54	for (int i = 0; i < SIZE; ++i)
55	assertEquals(ints[i], a.get(i));
56	}
57
58	/**
59	* new list contains all elements of initializing collection
60	*/
61	public void testConstructor3() {
62	Integer[] ints = new Integer[SIZE];
63	for (int i = 0; i < SIZE-1; ++i)
64	ints[i] = new Integer(i);
65	CopyOnWriteArrayList a = new CopyOnWriteArrayList(Arrays.asList(ints));
66	for (int i = 0; i < SIZE; ++i)
67	assertEquals(ints[i], a.get(i));
68	}
69
70	/**
71	* addAll adds each element from the given collection
72	*/
73	public void testAddAll() {
74	CopyOnWriteArrayList full = populatedArray(3);
75	Vector v = new Vector();
76	v.add(three);
77	v.add(four);
78	v.add(five);
79	full.addAll(v);
80	assertEquals(6, full.size());
81	}
82
83	/**
84	* addAllAbsent adds each element from the given collection that did not
85	* already exist in the List
86	*/
87	public void testAddAllAbsent() {
88	CopyOnWriteArrayList full = populatedArray(3);
89	Vector v = new Vector();
90	v.add(three);
91	v.add(four);
92	v.add(one); // will not add this element
93	full.addAllAbsent(v);
94	assertEquals(5, full.size());
95	}
96
97	/**
98	* addIfAbsent will not add the element if it already exists in the list
99	*/
100	public void testAddIfAbsent() {
101	CopyOnWriteArrayList full = populatedArray(SIZE);
102	full.addIfAbsent(one);
103	assertEquals(SIZE, full.size());
104	}
105
106	/**
107	* addIfAbsent adds the element when it does not exist in the list
108	*/
109	public void testAddIfAbsent2() {
110	CopyOnWriteArrayList full = populatedArray(SIZE);
111	full.addIfAbsent(three);
112	assertTrue(full.contains(three));
113	}
114
115	/**
116	* clear removes all elements from the list
117	*/
118	public void testClear() {
119	CopyOnWriteArrayList full = populatedArray(SIZE);
120	full.clear();
121	assertEquals(0, full.size());
122	}
123
124	/**
125	* Cloned list is equal
126	*/
127	public void testClone() {
128	CopyOnWriteArrayList l1 = populatedArray(SIZE);
129	CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone());
130	assertEquals(l1, l2);
131	l1.clear();
132	assertFalse(l1.equals(l2));
133	}
134
135	/**
136	* contains is true for added elements
137	*/
138	public void testContains() {
139	CopyOnWriteArrayList full = populatedArray(3);
140	assertTrue(full.contains(one));
141	assertFalse(full.contains(five));
142	}
143
144	/**
145	* adding at an index places it in the indicated index
146	*/
147	public void testAddIndex() {
148	CopyOnWriteArrayList full = populatedArray(3);
149	full.add(0, m1);
150	assertEquals(4, full.size());
151	assertEquals(m1, full.get(0));
152	assertEquals(zero, full.get(1));
153
154	full.add(2, m2);
155	assertEquals(5, full.size());
156	assertEquals(m2, full.get(2));
157	assertEquals(two, full.get(4));
158	}
159
160	/**
161	* lists with same elements are equal and have same hashCode
162	*/
163	public void testEquals() {
164	CopyOnWriteArrayList a = populatedArray(3);
165	CopyOnWriteArrayList b = populatedArray(3);
166	assertTrue(a.equals(b));
167	assertTrue(b.equals(a));
168	assertEquals(a.hashCode(), b.hashCode());
169	a.add(m1);
170	assertFalse(a.equals(b));
171	assertFalse(b.equals(a));
172	b.add(m1);
173	assertTrue(a.equals(b));
174	assertTrue(b.equals(a));
175	assertEquals(a.hashCode(), b.hashCode());
176	}
177
178	/**
179	* containsAll returns true for collection with subset of elements
180	*/
181	public void testContainsAll() {
182	CopyOnWriteArrayList full = populatedArray(3);
183	Vector v = new Vector();
184	v.add(one);
185	v.add(two);
186	assertTrue(full.containsAll(v));
187	v.add(six);
188	assertFalse(full.containsAll(v));
189	}
190
191	/**
192	* get returns the value at the given index
193	*/
194	public void testGet() {
195	CopyOnWriteArrayList full = populatedArray(3);
196	assertEquals(0, full.get(0));
197	}
198
199	/**
200	* indexOf gives the index for the given object
201	*/
202	public void testIndexOf() {
203	CopyOnWriteArrayList full = populatedArray(3);
204	assertEquals(1, full.indexOf(one));
205	assertEquals(-1, full.indexOf("puppies"));
206	}
207
208	/**
209	* indexOf gives the index based on the given index
210	* at which to start searching
211	*/
212	public void testIndexOf2() {
213	CopyOnWriteArrayList full = populatedArray(3);
214	assertEquals(1, full.indexOf(one, 0));
215	assertEquals(-1, full.indexOf(one, 2));
216	}
217
218	/**
219	* isEmpty returns true when empty, else false
220	*/
221	public void testIsEmpty() {
222	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
223	CopyOnWriteArrayList full = populatedArray(SIZE);
224	assertTrue(empty.isEmpty());
225	assertFalse(full.isEmpty());
226	}
227
228	/**
229	* iterator() returns an iterator containing the elements of the list
230	*/
231	public void testIterator() {
232	CopyOnWriteArrayList full = populatedArray(SIZE);
233	Iterator i = full.iterator();
234	int j;
235	for (j = 0; i.hasNext(); j++)
236	assertEquals(j, i.next());
237	assertEquals(SIZE, j);
238	}
239
240	/**
241	* iterator.remove throws UnsupportedOperationException
242	*/
243	public void testIteratorRemove() {
244	CopyOnWriteArrayList full = populatedArray(SIZE);
245	Iterator it = full.iterator();
246	it.next();
247	try {
248	it.remove();
249	shouldThrow();
250	} catch (UnsupportedOperationException success) {}
251	}
252
253	/**
254	* toString contains toString of elements
255	*/
256	public void testToString() {
257	CopyOnWriteArrayList full = populatedArray(3);
258	String s = full.toString();
259	for (int i = 0; i < 3; ++i) {
260	assertTrue(s.contains(String.valueOf(i)));
261	}
262	}
263
264	/**
265	* lastIndexOf returns the index for the given object
266	*/
267	public void testLastIndexOf1() {
268	CopyOnWriteArrayList full = populatedArray(3);
269	full.add(one);
270	full.add(three);
271	assertEquals(3, full.lastIndexOf(one));
272	assertEquals(-1, full.lastIndexOf(six));
273	}
274
275	/**
276	* lastIndexOf returns the index from the given starting point
277	*/
278	public void testLastIndexOf2() {
279	CopyOnWriteArrayList full = populatedArray(3);
280	full.add(one);
281	full.add(three);
282	assertEquals(3, full.lastIndexOf(one, 4));
283	assertEquals(-1, full.lastIndexOf(three, 3));
284	}
285
286	/**
287	* listIterator traverses all elements
288	*/
289	public void testListIterator1() {
290	CopyOnWriteArrayList full = populatedArray(SIZE);
291	ListIterator i = full.listIterator();
292	int j;
293	for (j = 0; i.hasNext(); j++)
294	assertEquals(j, i.next());
295	assertEquals(SIZE, j);
296	}
297
298	/**
299	* listIterator only returns those elements after the given index
300	*/
301	public void testListIterator2() {
302	CopyOnWriteArrayList full = populatedArray(3);
303	ListIterator i = full.listIterator(1);
304	int j;
305	for (j = 0; i.hasNext(); j++)
306	assertEquals(j+1, i.next());
307	assertEquals(2, j);
308	}
309
310	/**
311	* remove removes and returns the object at the given index
312	*/
313	public void testRemove() {
314	CopyOnWriteArrayList full = populatedArray(3);
315	assertEquals(2, full.remove(2));
316	assertEquals(2, full.size());
317	}
318
319	/**
320	* removeAll removes all elements from the given collection
321	*/
322	public void testRemoveAll() {
323	CopyOnWriteArrayList full = populatedArray(3);
324	Vector v = new Vector();
325	v.add(one);
326	v.add(two);
327	full.removeAll(v);
328	assertEquals(1, full.size());
329	}
330
331	/**
332	* set changes the element at the given index
333	*/
334	public void testSet() {
335	CopyOnWriteArrayList full = populatedArray(3);
336	assertEquals(2, full.set(2, four));
337	assertEquals(4, full.get(2));
338	}
339
340	/**
341	* size returns the number of elements
342	*/
343	public void testSize() {
344	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
345	CopyOnWriteArrayList full = populatedArray(SIZE);
346	assertEquals(SIZE, full.size());
347	assertEquals(0, empty.size());
348	}
349
350	/**
351	* toArray returns an Object array containing all elements from the list
352	*/
353	public void testToArray() {
354	CopyOnWriteArrayList full = populatedArray(3);
355	Object[] o = full.toArray();
356	assertEquals(3, o.length);
357	assertEquals(0, o[0]);
358	assertEquals(1, o[1]);
359	assertEquals(2, o[2]);
360	}
361
362	/**
363	* toArray returns an Integer array containing all elements from
364	* the list
365	*/
366	public void testToArray2() {
367	CopyOnWriteArrayList full = populatedArray(3);
368	Integer[] i = new Integer[3];
369	i = (Integer[])full.toArray(i);
370	assertEquals(3, i.length);
371	assertEquals(0, i[0].intValue());
372	assertEquals(1, i[1].intValue());
373	assertEquals(2, i[2].intValue());
374	}
375
376	/**
377	* sublists contains elements at indexes offset from their base
378	*/
379	public void testSubList() {
380	CopyOnWriteArrayList a = populatedArray(10);
381	assertTrue(a.subList(1,1).isEmpty());
382	for (int j = 0; j < 9; ++j) {
383	for (int i = j ; i < 10; ++i) {
384	List b = a.subList(j,i);
385	for (int k = j; k < i; ++k) {
386	assertEquals(new Integer(k), b.get(k-j));
387	}
388	}
389	}
390
391	List s = a.subList(2, 5);
392	assertEquals(3, s.size());
393	s.set(2, m1);
394	assertEquals(a.get(4), m1);
395	s.clear();
396	assertEquals(7, a.size());
397	}
398
399	// Exception tests
400
401	/**
402	* toArray throws an ArrayStoreException when the given array
403	* can not store the objects inside the list
404	*/
405	public void testToArray_ArrayStoreException() {
406	try {
407	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
408	c.add("zfasdfsdf");
409	c.add("asdadasd");
410	c.toArray(new Long[5]);
411	shouldThrow();
412	} catch (ArrayStoreException success) {}
413	}
414
415	/**
416	* get throws an IndexOutOfBoundsException on a negative index
417	*/
418	public void testGet1_IndexOutOfBoundsException() {
419	try {
420	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
421	c.get(-1);
422	shouldThrow();
423	} catch (IndexOutOfBoundsException success) {}
424	}
425
426	/**
427	* get throws an IndexOutOfBoundsException on a too high index
428	*/
429	public void testGet2_IndexOutOfBoundsException() {
430	try {
431	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
432	c.add("asdasd");
433	c.add("asdad");
434	c.get(100);
435	shouldThrow();
436	} catch (IndexOutOfBoundsException success) {}
437	}
438
439	/**
440	* set throws an IndexOutOfBoundsException on a negative index
441	*/
442	public void testSet1_IndexOutOfBoundsException() {
443	try {
444	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
445	c.set(-1,"qwerty");
446	shouldThrow();
447	} catch (IndexOutOfBoundsException success) {}
448	}
449
450	/**
451	* set throws an IndexOutOfBoundsException on a too high index
452	*/
453	public void testSet2() {
454	try {
455	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
456	c.add("asdasd");
457	c.add("asdad");
458	c.set(100, "qwerty");
459	shouldThrow();
460	} catch (IndexOutOfBoundsException success) {}
461	}
462
463	/**
464	* add throws an IndexOutOfBoundsException on a negative index
465	*/
466	public void testAdd1_IndexOutOfBoundsException() {
467	try {
468	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
469	c.add(-1,"qwerty");
470	shouldThrow();
471	} catch (IndexOutOfBoundsException success) {}
472	}
473
474	/**
475	* add throws an IndexOutOfBoundsException on a too high index
476	*/
477	public void testAdd2_IndexOutOfBoundsException() {
478	try {
479	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
480	c.add("asdasd");
481	c.add("asdasdasd");
482	c.add(100, "qwerty");
483	shouldThrow();
484	} catch (IndexOutOfBoundsException success) {}
485	}
486
487	/**
488	* remove throws an IndexOutOfBoundsException on a negative index
489	*/
490	public void testRemove1_IndexOutOfBounds() {
491	try {
492	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
493	c.remove(-1);
494	shouldThrow();
495	} catch (IndexOutOfBoundsException success) {}
496	}
497
498	/**
499	* remove throws an IndexOutOfBoundsException on a too high index
500	*/
501	public void testRemove2_IndexOutOfBounds() {
502	try {
503	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
504	c.add("asdasd");
505	c.add("adasdasd");
506	c.remove(100);
507	shouldThrow();
508	} catch (IndexOutOfBoundsException success) {}
509	}
510
511	/**
512	* addAll throws an IndexOutOfBoundsException on a negative index
513	*/
514	public void testAddAll1_IndexOutOfBoundsException() {
515	try {
516	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
517	c.addAll(-1,new LinkedList());
518	shouldThrow();
519	} catch (IndexOutOfBoundsException success) {}
520	}
521
522	/**
523	* addAll throws an IndexOutOfBoundsException on a too high index
524	*/
525	public void testAddAll2_IndexOutOfBoundsException() {
526	try {
527	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
528	c.add("asdasd");
529	c.add("asdasdasd");
530	c.addAll(100, new LinkedList());
531	shouldThrow();
532	} catch (IndexOutOfBoundsException success) {}
533	}
534
535	/**
536	* listIterator throws an IndexOutOfBoundsException on a negative index
537	*/
538	public void testListIterator1_IndexOutOfBoundsException() {
539	try {
540	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
541	c.listIterator(-1);
542	shouldThrow();
543	} catch (IndexOutOfBoundsException success) {}
544	}
545
546	/**
547	* listIterator throws an IndexOutOfBoundsException on a too high index
548	*/
549	public void testListIterator2_IndexOutOfBoundsException() {
550	try {
551	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
552	c.add("adasd");
553	c.add("asdasdas");
554	c.listIterator(100);
555	shouldThrow();
556	} catch (IndexOutOfBoundsException success) {}
557	}
558
559	/**
560	* subList throws an IndexOutOfBoundsException on a negative index
561	*/
562	public void testSubList1_IndexOutOfBoundsException() {
563	try {
564	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
565	c.subList(-1,100);
566	shouldThrow();
567	} catch (IndexOutOfBoundsException success) {}
568	}
569
570	/**
571	* subList throws an IndexOutOfBoundsException on a too high index
572	*/
573	public void testSubList2_IndexOutOfBoundsException() {
574	try {
575	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
576	c.add("asdasd");
577	c.subList(1,100);
578	shouldThrow();
579	} catch (IndexOutOfBoundsException success) {}
580	}
581
582	/**
583	* subList throws IndexOutOfBoundsException when the second index
584	* is lower then the first
585	*/
586	public void testSubList3_IndexOutOfBoundsException() {
587	try {
588	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
589	c.subList(3,1);
590	shouldThrow();
591	} catch (IndexOutOfBoundsException success) {}
592	}
593
594	/**
595	* a deserialized serialized list is equal
596	*/
597	public void testSerialization() throws Exception {
598	List x = populatedArray(SIZE);
599	List y = serialClone(x);
600
601	assertTrue(x != y);
602	assertEquals(x.size(), y.size());
603	assertEquals(x.toString(), y.toString());
604	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
605	assertEquals(x, y);
606	assertEquals(y, x);
607	while (!x.isEmpty()) {
608	assertFalse(y.isEmpty());
609	assertEquals(x.remove(0), y.remove(0));
610	}
611	assertTrue(y.isEmpty());
612	}
613
614	}