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.*;
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, 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(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 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 {
        CopyOnWriteArrayList q = populatedArray(SIZE);

        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));
    }

}
Revision:	1.20
Committed:	Fri May 27 19:09:55 2011 UTC (12 years, 11 months ago) by jsr166
Branch:	MAIN
Changes since 1.19:	+1 -1 lines
Log Message:	indexOf => contains
#	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	jsr166	1.19	* http://creativecommons.org/publicdomain/zero/1.0/
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	1.17	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	jsr166	1.18	* 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	jsr166	1.18	* addAllAbsent adds each element from the given collection that did not
83			* already exist in the List
84	dl	1.1	*/
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	jsr166	1.18	* 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	jsr166	1.18	* 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	jsr166	1.18	* 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	jsr166	1.18	* Cloned list is equal
125	dl	1.4	*/
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	jsr166	1.18	* 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	jsr166	1.18	* 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	jsr166	1.18	* 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	jsr166	1.14	assertEquals(0, full.get(0));
197	dl	1.1	}
198
199			/**
200	jsr166	1.18	* 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	jsr166	1.18	* indexOf gives the index based on the given index
210			* at which to start searching
211	dl	1.1	*/
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	jsr166	1.18	* 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	1.18	* 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	jsr166	1.14	assertEquals(j, i.next());
237	jsr166	1.11	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	jsr166	1.17	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	jsr166	1.12	} catch (UnsupportedOperationException success) {}
251	dl	1.1	}
252
253	dl	1.4	/**
254	dl	1.5	* toString contains toString of elements
255	dl	1.4	*/
256			public void testToString() {
257	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
258	dl	1.1	String s = full.toString();
259			for (int i = 0; i < 3; ++i) {
260	jsr166	1.20	assertTrue(s.contains(String.valueOf(i)));
261	dl	1.1	}
262	jsr166	1.8	}
263	dl	1.1
264			/**
265	jsr166	1.18	* lastIndexOf returns the index for the given object
266	dl	1.1	*/
267	dl	1.4	public void testLastIndexOf1() {
268	jsr166	1.11	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	dl	1.1	}
274
275			/**
276	jsr166	1.18	* lastIndexOf returns the index from the given starting point
277	dl	1.1	*/
278	dl	1.4	public void testlastIndexOf2() {
279	jsr166	1.11	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	dl	1.1	}
285
286			/**
287	jsr166	1.18	* listIterator traverses all elements
288	dl	1.1	*/
289	dl	1.4	public void testListIterator1() {
290	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(SIZE);
291			ListIterator i = full.listIterator();
292			int j;
293			for (j = 0; i.hasNext(); j++)
294	jsr166	1.14	assertEquals(j, i.next());
295	jsr166	1.11	assertEquals(SIZE, j);
296	dl	1.1	}
297
298			/**
299	jsr166	1.18	* listIterator only returns those elements after the given index
300	dl	1.1	*/
301	dl	1.4	public void testListIterator2() {
302	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
303			ListIterator i = full.listIterator(1);
304			int j;
305			for (j = 0; i.hasNext(); j++)
306	jsr166	1.14	assertEquals(j+1, i.next());
307	jsr166	1.11	assertEquals(2, j);
308	dl	1.1	}
309
310			/**
311	jsr166	1.18	* remove removes and returns the object at the given index
312	dl	1.1	*/
313	dl	1.4	public void testRemove() {
314	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
315	jsr166	1.15	assertEquals(2, full.remove(2));
316	jsr166	1.11	assertEquals(2, full.size());
317	dl	1.1	}
318
319			/**
320	jsr166	1.18	* removeAll removes all elements from the given collection
321	dl	1.1	*/
322	dl	1.4	public void testRemoveAll() {
323	jsr166	1.11	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	dl	1.1	}
330
331			/**
332	jsr166	1.18	* set changes the element at the given index
333	dl	1.1	*/
334	dl	1.4	public void testSet() {
335	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
336	jsr166	1.15	assertEquals(2, full.set(2, four));
337	jsr166	1.14	assertEquals(4, full.get(2));
338	dl	1.1	}
339
340			/**
341	jsr166	1.18	* size returns the number of elements
342	dl	1.1	*/
343	dl	1.4	public void testSize() {
344	jsr166	1.11	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
345			CopyOnWriteArrayList full = populatedArray(SIZE);
346			assertEquals(SIZE, full.size());
347			assertEquals(0, empty.size());
348	dl	1.1	}
349
350			/**
351	jsr166	1.18	* toArray returns an Object array containing all elements from the list
352	dl	1.1	*/
353	dl	1.4	public void testToArray() {
354	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
355			Object[] o = full.toArray();
356			assertEquals(3, o.length);
357	jsr166	1.14	assertEquals(0, o[0]);
358			assertEquals(1, o[1]);
359			assertEquals(2, o[2]);
360	dl	1.1	}
361
362			/**
363	jsr166	1.18	* toArray returns an Integer array containing all elements from
364			* the list
365	dl	1.1	*/
366	dl	1.4	public void testToArray2() {
367	jsr166	1.11	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	dl	1.1	}
375
376
377	dl	1.4	/**
378	dl	1.5	* sublists contains elements at indexes offset from their base
379	dl	1.4	*/
380	dl	1.1	public void testSubList() {
381	jsr166	1.11	CopyOnWriteArrayList a = populatedArray(10);
382	dl	1.1	assertTrue(a.subList(1,1).isEmpty());
383	jsr166	1.11	for (int j = 0; j < 9; ++j) {
384			for (int i = j ; i < 10; ++i) {
385			List b = a.subList(j,i);
386			for (int k = j; k < i; ++k) {
387			assertEquals(new Integer(k), b.get(k-j));
388			}
389			}
390			}
391	dl	1.1
392	jsr166	1.11	List s = a.subList(2, 5);
393	dl	1.1	assertEquals(s.size(), 3);
394	dl	1.3	s.set(2, m1);
395	dl	1.1	assertEquals(a.get(4), m1);
396	jsr166	1.11	s.clear();
397	dl	1.1	assertEquals(a.size(), 7);
398			}
399
400			// Exception tests
401
402			/**
403	jsr166	1.18	* toArray throws an ArrayStoreException when the given array
404			* can not store the objects inside the list
405	dl	1.1	*/
406	dl	1.4	public void testToArray_ArrayStoreException() {
407			try {
408	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
409			c.add("zfasdfsdf");
410			c.add("asdadasd");
411			c.toArray(new Long[5]);
412	jsr166	1.11	shouldThrow();
413	jsr166	1.13	} catch (ArrayStoreException success) {}
414	dl	1.1	}
415
416			/**
417	jsr166	1.18	* get throws an IndexOutOfBoundsException on a negative index
418	dl	1.1	*/
419	dl	1.4	public void testGet1_IndexOutOfBoundsException() {
420			try {
421	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
422			c.get(-1);
423	dl	1.4	shouldThrow();
424	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
425	dl	1.1	}
426	jsr166	1.8
427	dl	1.1	/**
428	jsr166	1.18	* get throws an IndexOutOfBoundsException on a too high index
429	dl	1.1	*/
430	dl	1.4	public void testGet2_IndexOutOfBoundsException() {
431			try {
432	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
433			c.add("asdasd");
434			c.add("asdad");
435			c.get(100);
436	dl	1.4	shouldThrow();
437	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
438	dl	1.1	}
439
440			/**
441	jsr166	1.18	* set throws an IndexOutOfBoundsException on a negative index
442	dl	1.1	*/
443	dl	1.4	public void testSet1_IndexOutOfBoundsException() {
444			try {
445	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
446			c.set(-1,"qwerty");
447	dl	1.4	shouldThrow();
448	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
449	dl	1.1	}
450	jsr166	1.8
451	dl	1.1	/**
452	jsr166	1.18	* set throws an IndexOutOfBoundsException on a too high index
453	dl	1.1	*/
454	dl	1.4	public void testSet2() {
455			try {
456	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
457			c.add("asdasd");
458			c.add("asdad");
459			c.set(100, "qwerty");
460	dl	1.4	shouldThrow();
461	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
462	dl	1.1	}
463
464			/**
465	jsr166	1.18	* add throws an IndexOutOfBoundsException on a negative index
466	dl	1.1	*/
467	dl	1.4	public void testAdd1_IndexOutOfBoundsException() {
468			try {
469	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
470			c.add(-1,"qwerty");
471	dl	1.4	shouldThrow();
472	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
473	dl	1.1	}
474	jsr166	1.8
475	dl	1.1	/**
476	jsr166	1.18	* add throws an IndexOutOfBoundsException on a too high index
477	dl	1.1	*/
478	dl	1.4	public void testAdd2_IndexOutOfBoundsException() {
479			try {
480	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
481			c.add("asdasd");
482			c.add("asdasdasd");
483			c.add(100, "qwerty");
484	dl	1.4	shouldThrow();
485	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
486	dl	1.1	}
487
488			/**
489	jsr166	1.18	* remove throws an IndexOutOfBoundsException on a negative index
490	dl	1.1	*/
491	dl	1.4	public void testRemove1_IndexOutOfBounds() {
492			try {
493	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
494			c.remove(-1);
495	dl	1.4	shouldThrow();
496	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
497	dl	1.1	}
498
499			/**
500	jsr166	1.18	* remove throws an IndexOutOfBoundsException on a too high index
501	dl	1.1	*/
502	dl	1.4	public void testRemove2_IndexOutOfBounds() {
503			try {
504	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
505			c.add("asdasd");
506			c.add("adasdasd");
507			c.remove(100);
508	dl	1.4	shouldThrow();
509	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
510	dl	1.1	}
511	jsr166	1.8
512	dl	1.1	/**
513	jsr166	1.18	* addAll throws an IndexOutOfBoundsException on a negative index
514	dl	1.1	*/
515	dl	1.4	public void testAddAll1_IndexOutOfBoundsException() {
516			try {
517	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
518			c.addAll(-1,new LinkedList());
519	dl	1.4	shouldThrow();
520	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
521	dl	1.1	}
522	jsr166	1.8
523	dl	1.1	/**
524	jsr166	1.18	* addAll throws an IndexOutOfBoundsException on a too high index
525	dl	1.1	*/
526	dl	1.4	public void testAddAll2_IndexOutOfBoundsException() {
527			try {
528	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
529			c.add("asdasd");
530			c.add("asdasdasd");
531			c.addAll(100, new LinkedList());
532	dl	1.4	shouldThrow();
533	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
534	dl	1.1	}
535
536			/**
537	jsr166	1.18	* listIterator throws an IndexOutOfBoundsException on a negative index
538	dl	1.1	*/
539	dl	1.4	public void testListIterator1_IndexOutOfBoundsException() {
540			try {
541	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
542			c.listIterator(-1);
543	dl	1.4	shouldThrow();
544	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
545	dl	1.1	}
546
547			/**
548	jsr166	1.18	* listIterator throws an IndexOutOfBoundsException on a too high index
549	dl	1.1	*/
550	dl	1.4	public void testListIterator2_IndexOutOfBoundsException() {
551			try {
552	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
553			c.add("adasd");
554			c.add("asdasdas");
555			c.listIterator(100);
556	dl	1.4	shouldThrow();
557	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
558	dl	1.1	}
559
560			/**
561	jsr166	1.18	* subList throws an IndexOutOfBoundsException on a negative index
562	dl	1.1	*/
563	dl	1.4	public void testSubList1_IndexOutOfBoundsException() {
564			try {
565	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
566			c.subList(-1,100);
567	dl	1.4	shouldThrow();
568	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
569	dl	1.1	}
570
571			/**
572	jsr166	1.18	* subList throws an IndexOutOfBoundsException on a too high index
573	dl	1.1	*/
574	dl	1.4	public void testSubList2_IndexOutOfBoundsException() {
575			try {
576	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
577			c.add("asdasd");
578			c.subList(1,100);
579	dl	1.4	shouldThrow();
580	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
581	dl	1.1	}
582
583			/**
584	jsr166	1.18	* subList throws IndexOutOfBoundsException when the second index
585			* is lower then the first
586	dl	1.1	*/
587	dl	1.4	public void testSubList3_IndexOutOfBoundsException() {
588			try {
589	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
590			c.subList(3,1);
591	dl	1.4	shouldThrow();
592	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
593	dl	1.2	}
594
595	dl	1.4	/**
596	jsr166	1.16	* a deserialized serialized list is equal
597	dl	1.4	*/
598	jsr166	1.12	public void testSerialization() throws Exception {
599	dl	1.3	CopyOnWriteArrayList q = populatedArray(SIZE);
600	dl	1.2
601	jsr166	1.12	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
602			ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
603			out.writeObject(q);
604			out.close();
605
606			ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
607			ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
608			CopyOnWriteArrayList r = (CopyOnWriteArrayList)in.readObject();
609			assertEquals(q.size(), r.size());
610			assertTrue(q.equals(r));
611			assertTrue(r.equals(q));
612	dl	1.1	}
613	jsr166	1.8
614	dl	1.1	}