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/licenses/publicdomain
 * Other contributors include Andrew Wright, Jeffrey Hayes,
 * Pat Fisher, Mike Judd.
 */

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

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, ((Integer)full.get(0)).intValue());
    }

    /**
     *   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, ((Integer)i.next()).intValue());
        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.indexOf(String.valueOf(i)) >= 0);
        }
    }

    /**
     *   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, ((Integer)i.next()).intValue());
        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, ((Integer)i.next()).intValue());
        assertEquals(2, j);
    }

    /**
     *   remove  removes and returns the object at the given index
     */
    public void testRemove() {
        CopyOnWriteArrayList full = populatedArray(3);
        assertEquals(two, 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(two, full.set(2, four));
        assertEquals(4, ((Integer)full.get(2)).intValue());
    }

    /**
     *   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, ((Integer)o[0]).intValue());
        assertEquals(1, ((Integer)o[1]).intValue());
        assertEquals(2, ((Integer)o[2]).intValue());
    }

    /**
     *   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(s.size(), 3);
        s.set(2, m1);
        assertEquals(a.get(4), m1);
        s.clear();
        assertEquals(a.size(), 7);
    }

    // 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 e) {}
    }

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

    /**
     *   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 e) {}
    }

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

    /**
     *   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 e) {}
    }

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

    /**
     *   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 e) {}
    }

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

    /**
     *   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 e) {}
    }

    /**
     *   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 e) {}
    }

    /**
     *   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 e) {}
    }

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

    /**
     *   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 e) {}
    }

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

            shouldThrow();
        } catch (IndexOutOfBoundsException e) {}
    }

    /**
     *   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 e) {}
    }

    /**
     *   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 e) {}
    }

    /**
     * a deserialized serialiszed list is equal
     */
    public void testSerialization() {
        CopyOnWriteArrayList q = populatedArray(SIZE);

        try {
            ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
            ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
            out.writeObject(q);
            out.close();

            ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
            ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
            CopyOnWriteArrayList r = (CopyOnWriteArrayList)in.readObject();
            assertEquals(q.size(), r.size());
            assertTrue(q.equals(r));
            assertTrue(r.equals(q));
        } catch (Exception e) {
            unexpectedException();
        }
    }

}
Revision:	1.11
Committed:	Sat Nov 21 02:07:26 2009 UTC (14 years, 5 months ago) by jsr166
Branch:	MAIN
Changes since 1.10:	+126 -126 lines
Log Message:	untabify
#	User	Rev	Content
1	dl	1.1	/*
2	dl	1.6	* 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/licenses/publicdomain
5	jsr166	1.8	* Other contributors include Andrew Wright, Jeffrey Hayes,
6			* Pat Fisher, Mike Judd.
7	dl	1.1	*/
8
9			import junit.framework.*;
10			import java.util.*;
11			import java.util.concurrent.*;
12	dl	1.2	import java.io.*;
13	dl	1.1
14	jsr166	1.10	public class CopyOnWriteArrayListTest extends JSR166TestCase {
15	jsr166	1.8
16	dl	1.1	public static void main(String[] args) {
17	jsr166	1.11	junit.textui.TestRunner.run (suite());
18	dl	1.1	}
19
20			public static Test suite() {
21	jsr166	1.11	return new TestSuite(CopyOnWriteArrayListTest.class);
22	dl	1.1	}
23
24	jsr166	1.10	static CopyOnWriteArrayList populatedArray(int n) {
25	jsr166	1.11	CopyOnWriteArrayList a = new CopyOnWriteArrayList();
26	dl	1.1	assertTrue(a.isEmpty());
27	jsr166	1.8	for (int i = 0; i < n; ++i)
28	dl	1.1	a.add(new Integer(i));
29			assertFalse(a.isEmpty());
30			assertEquals(n, a.size());
31			return a;
32			}
33
34	dl	1.3
35	dl	1.4	/**
36	dl	1.5	* a new list is empty
37	dl	1.4	*/
38	dl	1.3	public void testConstructor() {
39	jsr166	1.11	CopyOnWriteArrayList a = new CopyOnWriteArrayList();
40	dl	1.3	assertTrue(a.isEmpty());
41			}
42
43	dl	1.4	/**
44	dl	1.5	* new list contains all elements of initializing array
45	dl	1.4	*/
46	dl	1.3	public void testConstructor2() {
47			Integer[] ints = new Integer[SIZE];
48			for (int i = 0; i < SIZE-1; ++i)
49			ints[i] = new Integer(i);
50	jsr166	1.11	CopyOnWriteArrayList a = new CopyOnWriteArrayList(ints);
51	jsr166	1.8	for (int i = 0; i < SIZE; ++i)
52	dl	1.3	assertEquals(ints[i], a.get(i));
53			}
54
55	dl	1.4	/**
56	dl	1.5	* new list contains all elements of initializing collection
57	dl	1.4	*/
58	dl	1.3	public void testConstructor3() {
59			Integer[] ints = new Integer[SIZE];
60			for (int i = 0; i < SIZE-1; ++i)
61			ints[i] = new Integer(i);
62	jsr166	1.11	CopyOnWriteArrayList a = new CopyOnWriteArrayList(Arrays.asList(ints));
63	jsr166	1.8	for (int i = 0; i < SIZE; ++i)
64	dl	1.3	assertEquals(ints[i], a.get(i));
65			}
66	jsr166	1.8
67	dl	1.3
68	dl	1.1	/**
69	dl	1.5	* addAll adds each element from the given collection
70	dl	1.1	*/
71	dl	1.4	public void testAddAll() {
72	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
73			Vector v = new Vector();
74			v.add(three);
75			v.add(four);
76			v.add(five);
77			full.addAll(v);
78			assertEquals(6, full.size());
79	dl	1.1	}
80
81			/**
82	dl	1.3	* addAllAbsent adds each element from the given collection that did not
83	dl	1.1	* already exist in the List
84			*/
85	dl	1.4	public void testAddAllAbsent() {
86	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
87			Vector v = new Vector();
88			v.add(three);
89			v.add(four);
90			v.add(one); // will not add this element
91			full.addAllAbsent(v);
92			assertEquals(5, full.size());
93	dl	1.1	}
94
95			/**
96	dl	1.3	* addIfAbsent will not add the element if it already exists in the list
97	dl	1.1	*/
98	dl	1.4	public void testAddIfAbsent() {
99	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(SIZE);
100			full.addIfAbsent(one);
101			assertEquals(SIZE, full.size());
102	dl	1.1	}
103
104			/**
105	dl	1.5	* addIfAbsent adds the element when it does not exist in the list
106	dl	1.1	*/
107	dl	1.4	public void testAddIfAbsent2() {
108	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(SIZE);
109	dl	1.3	full.addIfAbsent(three);
110			assertTrue(full.contains(three));
111	dl	1.1	}
112
113			/**
114	dl	1.5	* clear removes all elements from the list
115	dl	1.1	*/
116	dl	1.4	public void testClear() {
117	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(SIZE);
118			full.clear();
119			assertEquals(0, full.size());
120	dl	1.1	}
121
122	dl	1.4
123			/**
124			* Cloned list is equal
125			*/
126			public void testClone() {
127	jsr166	1.11	CopyOnWriteArrayList l1 = populatedArray(SIZE);
128			CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone());
129	dl	1.4	assertEquals(l1, l2);
130	jsr166	1.11	l1.clear();
131	dl	1.4	assertFalse(l1.equals(l2));
132			}
133
134	dl	1.1	/**
135	dl	1.5	* contains is true for added elements
136	dl	1.1	*/
137	dl	1.4	public void testContains() {
138	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
139			assertTrue(full.contains(one));
140			assertFalse(full.contains(five));
141	dl	1.1	}
142
143	dl	1.4	/**
144	dl	1.7	* adding at an index places it in the indicated index
145	dl	1.4	*/
146	dl	1.1	public void testAddIndex() {
147	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
148	dl	1.3	full.add(0, m1);
149	dl	1.1	assertEquals(4, full.size());
150	dl	1.3	assertEquals(m1, full.get(0));
151			assertEquals(zero, full.get(1));
152	dl	1.1
153	dl	1.3	full.add(2, m2);
154	dl	1.1	assertEquals(5, full.size());
155	dl	1.3	assertEquals(m2, full.get(2));
156			assertEquals(two, full.get(4));
157	dl	1.1	}
158
159	dl	1.4	/**
160	dl	1.5	* lists with same elements are equal and have same hashCode
161	dl	1.4	*/
162	dl	1.1	public void testEquals() {
163	jsr166	1.11	CopyOnWriteArrayList a = populatedArray(3);
164			CopyOnWriteArrayList b = populatedArray(3);
165	dl	1.1	assertTrue(a.equals(b));
166			assertTrue(b.equals(a));
167			assertEquals(a.hashCode(), b.hashCode());
168	dl	1.3	a.add(m1);
169	dl	1.1	assertFalse(a.equals(b));
170			assertFalse(b.equals(a));
171	dl	1.3	b.add(m1);
172	dl	1.1	assertTrue(a.equals(b));
173			assertTrue(b.equals(a));
174			assertEquals(a.hashCode(), b.hashCode());
175			}
176
177	jsr166	1.8
178	dl	1.1	/**
179	dl	1.5	* containsAll returns true for collection with subset of elements
180	dl	1.1	*/
181	dl	1.4	public void testContainsAll() {
182	jsr166	1.11	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	dl	1.1	}
190
191			/**
192	dl	1.5	* get returns the value at the given index
193	dl	1.1	*/
194	dl	1.4	public void testGet() {
195	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
196			assertEquals(0, ((Integer)full.get(0)).intValue());
197	dl	1.1	}
198
199			/**
200	dl	1.5	* indexOf gives the index for the given object
201	dl	1.1	*/
202	dl	1.4	public void testIndexOf() {
203	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
204			assertEquals(1, full.indexOf(one));
205			assertEquals(-1, full.indexOf("puppies"));
206	dl	1.1	}
207
208			/**
209	dl	1.5	* indexOf gives the index based on the given index
210	dl	1.1	* at which to start searching
211			*/
212	dl	1.4	public void testIndexOf2() {
213	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
214			assertEquals(1, full.indexOf(one, 0));
215			assertEquals(-1, full.indexOf(one, 2));
216	dl	1.1	}
217
218			/**
219	dl	1.5	* isEmpty returns true when empty, else false
220	dl	1.1	*/
221	dl	1.4	public void testIsEmpty() {
222	jsr166	1.11	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
223			CopyOnWriteArrayList full = populatedArray(SIZE);
224			assertTrue(empty.isEmpty());
225			assertFalse(full.isEmpty());
226	dl	1.1	}
227
228			/**
229	jsr166	1.8	* iterator() returns an iterator containing the elements of the list
230	dl	1.1	*/
231	dl	1.4	public void testIterator() {
232	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(SIZE);
233			Iterator i = full.iterator();
234			int j;
235			for (j = 0; i.hasNext(); j++)
236			assertEquals(j, ((Integer)i.next()).intValue());
237			assertEquals(SIZE, j);
238	dl	1.1	}
239
240	dl	1.4	/**
241	dl	1.5	* iterator.remove throws UnsupportedOperationException
242	dl	1.4	*/
243	dl	1.1	public void testIteratorRemove () {
244	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(SIZE);
245	dl	1.1	Iterator it = full.iterator();
246			it.next();
247			try {
248			it.remove();
249	dl	1.4	shouldThrow();
250	dl	1.1	}
251			catch (UnsupportedOperationException success) {}
252			}
253
254	dl	1.4	/**
255	dl	1.5	* toString contains toString of elements
256	dl	1.4	*/
257			public void testToString() {
258	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
259	dl	1.1	String s = full.toString();
260			for (int i = 0; i < 3; ++i) {
261			assertTrue(s.indexOf(String.valueOf(i)) >= 0);
262			}
263	jsr166	1.8	}
264	dl	1.1
265			/**
266	dl	1.5	* lastIndexOf returns the index for the given object
267	dl	1.1	*/
268	dl	1.4	public void testLastIndexOf1() {
269	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
270			full.add(one);
271			full.add(three);
272			assertEquals(3, full.lastIndexOf(one));
273			assertEquals(-1, full.lastIndexOf(six));
274	dl	1.1	}
275
276			/**
277	dl	1.5	* lastIndexOf returns the index from the given starting point
278	dl	1.1	*/
279	dl	1.4	public void testlastIndexOf2() {
280	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
281			full.add(one);
282			full.add(three);
283			assertEquals(3, full.lastIndexOf(one, 4));
284			assertEquals(-1, full.lastIndexOf(three, 3));
285	dl	1.1	}
286
287			/**
288	dl	1.5	* listIterator traverses all elements
289	dl	1.1	*/
290	dl	1.4	public void testListIterator1() {
291	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(SIZE);
292			ListIterator i = full.listIterator();
293			int j;
294			for (j = 0; i.hasNext(); j++)
295			assertEquals(j, ((Integer)i.next()).intValue());
296			assertEquals(SIZE, j);
297	dl	1.1	}
298
299			/**
300	dl	1.4	* listIterator only returns those elements after the given index
301	dl	1.1	*/
302	dl	1.4	public void testListIterator2() {
303	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
304			ListIterator i = full.listIterator(1);
305			int j;
306			for (j = 0; i.hasNext(); j++)
307			assertEquals(j+1, ((Integer)i.next()).intValue());
308			assertEquals(2, j);
309	dl	1.1	}
310
311			/**
312	dl	1.5	* remove removes and returns the object at the given index
313	dl	1.1	*/
314	dl	1.4	public void testRemove() {
315	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
316			assertEquals(two, full.remove(2));
317			assertEquals(2, full.size());
318	dl	1.1	}
319
320			/**
321	dl	1.5	* removeAll removes all elements from the given collection
322	dl	1.1	*/
323	dl	1.4	public void testRemoveAll() {
324	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
325			Vector v = new Vector();
326			v.add(one);
327			v.add(two);
328			full.removeAll(v);
329			assertEquals(1, full.size());
330	dl	1.1	}
331
332			/**
333	dl	1.5	* set changes the element at the given index
334	dl	1.1	*/
335	dl	1.4	public void testSet() {
336	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
337			assertEquals(two, full.set(2, four));
338			assertEquals(4, ((Integer)full.get(2)).intValue());
339	dl	1.1	}
340
341			/**
342	dl	1.5	* size returns the number of elements
343	dl	1.1	*/
344	dl	1.4	public void testSize() {
345	jsr166	1.11	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
346			CopyOnWriteArrayList full = populatedArray(SIZE);
347			assertEquals(SIZE, full.size());
348			assertEquals(0, empty.size());
349	dl	1.1	}
350
351			/**
352	dl	1.3	* toArray returns an Object array containing all elements from the list
353	dl	1.1	*/
354	dl	1.4	public void testToArray() {
355	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
356			Object[] o = full.toArray();
357			assertEquals(3, o.length);
358			assertEquals(0, ((Integer)o[0]).intValue());
359			assertEquals(1, ((Integer)o[1]).intValue());
360			assertEquals(2, ((Integer)o[2]).intValue());
361	dl	1.1	}
362
363			/**
364	dl	1.4	* toArray returns an Integer array containing all elements from
365			* the list
366	dl	1.1	*/
367	dl	1.4	public void testToArray2() {
368	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
369			Integer[] i = new Integer[3];
370			i = (Integer[])full.toArray(i);
371			assertEquals(3, i.length);
372			assertEquals(0, i[0].intValue());
373			assertEquals(1, i[1].intValue());
374			assertEquals(2, i[2].intValue());
375	dl	1.1	}
376
377
378	dl	1.4	/**
379	dl	1.5	* sublists contains elements at indexes offset from their base
380	dl	1.4	*/
381	dl	1.1	public void testSubList() {
382	jsr166	1.11	CopyOnWriteArrayList a = populatedArray(10);
383	dl	1.1	assertTrue(a.subList(1,1).isEmpty());
384	jsr166	1.11	for (int j = 0; j < 9; ++j) {
385			for (int i = j ; i < 10; ++i) {
386			List b = a.subList(j,i);
387			for (int k = j; k < i; ++k) {
388			assertEquals(new Integer(k), b.get(k-j));
389			}
390			}
391			}
392	dl	1.1
393	jsr166	1.11	List s = a.subList(2, 5);
394	dl	1.1	assertEquals(s.size(), 3);
395	dl	1.3	s.set(2, m1);
396	dl	1.1	assertEquals(a.get(4), m1);
397	jsr166	1.11	s.clear();
398	dl	1.1	assertEquals(a.size(), 7);
399			}
400
401			// Exception tests
402
403			/**
404	dl	1.3	* toArray throws an ArrayStoreException when the given array
405	dl	1.1	* can not store the objects inside the list
406			*/
407	dl	1.4	public void testToArray_ArrayStoreException() {
408			try {
409	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
410			c.add("zfasdfsdf");
411			c.add("asdadasd");
412			c.toArray(new Long[5]);
413	jsr166	1.11	shouldThrow();
414	jsr166	1.10	} catch (ArrayStoreException e) {}
415	dl	1.1	}
416
417			/**
418	dl	1.3	* get throws an IndexOutOfBoundsException on a negative index
419	dl	1.1	*/
420	dl	1.4	public void testGet1_IndexOutOfBoundsException() {
421			try {
422	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
423			c.get(-1);
424	dl	1.4	shouldThrow();
425	jsr166	1.10	} catch (IndexOutOfBoundsException e) {}
426	dl	1.1	}
427	jsr166	1.8
428	dl	1.1	/**
429	dl	1.3	* get throws an IndexOutOfBoundsException on a too high index
430	dl	1.1	*/
431	dl	1.4	public void testGet2_IndexOutOfBoundsException() {
432			try {
433	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
434			c.add("asdasd");
435			c.add("asdad");
436			c.get(100);
437	dl	1.4	shouldThrow();
438	jsr166	1.10	} catch (IndexOutOfBoundsException e) {}
439	dl	1.1	}
440
441			/**
442	dl	1.3	* set throws an IndexOutOfBoundsException on a negative index
443	dl	1.1	*/
444	dl	1.4	public void testSet1_IndexOutOfBoundsException() {
445			try {
446	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
447			c.set(-1,"qwerty");
448	dl	1.4	shouldThrow();
449	jsr166	1.10	} catch (IndexOutOfBoundsException e) {}
450	dl	1.1	}
451	jsr166	1.8
452	dl	1.1	/**
453	dl	1.3	* set throws an IndexOutOfBoundsException on a too high index
454	dl	1.1	*/
455	dl	1.4	public void testSet2() {
456			try {
457	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
458			c.add("asdasd");
459			c.add("asdad");
460			c.set(100, "qwerty");
461	dl	1.4	shouldThrow();
462	jsr166	1.10	} catch (IndexOutOfBoundsException e) {}
463	dl	1.1	}
464
465			/**
466	dl	1.3	* add throws an IndexOutOfBoundsException on a negative index
467	dl	1.1	*/
468	dl	1.4	public void testAdd1_IndexOutOfBoundsException() {
469			try {
470	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
471			c.add(-1,"qwerty");
472	dl	1.4	shouldThrow();
473	jsr166	1.10	} catch (IndexOutOfBoundsException e) {}
474	dl	1.1	}
475	jsr166	1.8
476	dl	1.1	/**
477	dl	1.3	* add throws an IndexOutOfBoundsException on a too high index
478	dl	1.1	*/
479	dl	1.4	public void testAdd2_IndexOutOfBoundsException() {
480			try {
481	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
482			c.add("asdasd");
483			c.add("asdasdasd");
484			c.add(100, "qwerty");
485	dl	1.4	shouldThrow();
486	jsr166	1.10	} catch (IndexOutOfBoundsException e) {}
487	dl	1.1	}
488
489			/**
490	dl	1.3	* remove throws an IndexOutOfBoundsException on a negative index
491	dl	1.1	*/
492	dl	1.4	public void testRemove1_IndexOutOfBounds() {
493			try {
494	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
495			c.remove(-1);
496	dl	1.4	shouldThrow();
497	jsr166	1.10	} catch (IndexOutOfBoundsException e) {}
498	dl	1.1	}
499
500			/**
501	dl	1.3	* remove throws an IndexOutOfBoundsException on a too high index
502	dl	1.1	*/
503	dl	1.4	public void testRemove2_IndexOutOfBounds() {
504			try {
505	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
506			c.add("asdasd");
507			c.add("adasdasd");
508			c.remove(100);
509	dl	1.4	shouldThrow();
510	jsr166	1.10	} catch (IndexOutOfBoundsException e) {}
511	dl	1.1	}
512	jsr166	1.8
513	dl	1.1	/**
514	dl	1.3	* addAll throws an IndexOutOfBoundsException on a negative index
515	dl	1.1	*/
516	dl	1.4	public void testAddAll1_IndexOutOfBoundsException() {
517			try {
518	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
519			c.addAll(-1,new LinkedList());
520	dl	1.4	shouldThrow();
521	jsr166	1.10	} catch (IndexOutOfBoundsException e) {}
522	dl	1.1	}
523	jsr166	1.8
524	dl	1.1	/**
525	dl	1.3	* addAll throws an IndexOutOfBoundsException on a too high index
526	dl	1.1	*/
527	dl	1.4	public void testAddAll2_IndexOutOfBoundsException() {
528			try {
529	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
530			c.add("asdasd");
531			c.add("asdasdasd");
532			c.addAll(100, new LinkedList());
533	dl	1.4	shouldThrow();
534	jsr166	1.10	} catch (IndexOutOfBoundsException e) {}
535	dl	1.1	}
536
537			/**
538	dl	1.3	* listIterator throws an IndexOutOfBoundsException on a negative index
539	dl	1.1	*/
540	dl	1.4	public void testListIterator1_IndexOutOfBoundsException() {
541			try {
542	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
543			c.listIterator(-1);
544	dl	1.4	shouldThrow();
545	jsr166	1.10	} catch (IndexOutOfBoundsException e) {}
546	dl	1.1	}
547
548			/**
549	dl	1.3	* listIterator throws an IndexOutOfBoundsException on a too high index
550	dl	1.1	*/
551	dl	1.4	public void testListIterator2_IndexOutOfBoundsException() {
552			try {
553	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
554			c.add("adasd");
555			c.add("asdasdas");
556			c.listIterator(100);
557	dl	1.4	shouldThrow();
558	jsr166	1.10	} catch (IndexOutOfBoundsException e) {}
559	dl	1.1	}
560
561			/**
562	dl	1.3	* subList throws an IndexOutOfBoundsException on a negative index
563	dl	1.1	*/
564	dl	1.4	public void testSubList1_IndexOutOfBoundsException() {
565			try {
566	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
567			c.subList(-1,100);
568
569	dl	1.4	shouldThrow();
570	jsr166	1.10	} catch (IndexOutOfBoundsException e) {}
571	dl	1.1	}
572
573			/**
574	dl	1.3	* subList throws an IndexOutOfBoundsException on a too high index
575	dl	1.1	*/
576	dl	1.4	public void testSubList2_IndexOutOfBoundsException() {
577			try {
578	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
579			c.add("asdasd");
580			c.subList(1,100);
581	dl	1.4	shouldThrow();
582	jsr166	1.10	} catch (IndexOutOfBoundsException e) {}
583	dl	1.1	}
584
585			/**
586	dl	1.3	* subList throws IndexOutOfBoundsException when the second index
587	jsr166	1.8	* is lower then the first
588	dl	1.1	*/
589	dl	1.4	public void testSubList3_IndexOutOfBoundsException() {
590			try {
591	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
592			c.subList(3,1);
593
594	dl	1.4	shouldThrow();
595	jsr166	1.10	} catch (IndexOutOfBoundsException e) {}
596	dl	1.2	}
597
598	dl	1.4	/**
599	dl	1.5	* a deserialized serialiszed list is equal
600	dl	1.4	*/
601	dl	1.2	public void testSerialization() {
602	dl	1.3	CopyOnWriteArrayList q = populatedArray(SIZE);
603	dl	1.2
604			try {
605			ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
606			ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
607			out.writeObject(q);
608			out.close();
609
610			ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
611			ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
612			CopyOnWriteArrayList r = (CopyOnWriteArrayList)in.readObject();
613			assertEquals(q.size(), r.size());
614			assertTrue(q.equals(r));
615			assertTrue(r.equals(q));
616	jsr166	1.10	} catch (Exception e) {
617	dl	1.4	unexpectedException();
618	dl	1.2	}
619	dl	1.1	}
620	jsr166	1.8
621	dl	1.1	}