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<Integer> populatedArray(int n) {
        CopyOnWriteArrayList<Integer> a
            = new CopyOnWriteArrayList<Integer>();
        assertTrue(a.isEmpty());
        for (int i = 0; i < n; ++i)
            a.add(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() {
        final int size = 3;
        CopyOnWriteArrayList<Integer> full = populatedArray(size);
        Integer[] ints = new Integer[size];
        assertSame(ints, full.toArray(ints));
        Iterator<Integer> it = full.iterator();
        for (int i = 0; i < size; i++)
            assertSame(ints[i], it.next());
        assertFalse(it.hasNext());
    }

    /**
     * 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:	1.25
Committed:	Sat Nov 26 07:39:02 2011 UTC (12 years, 5 months ago) by jsr166
Branch:	MAIN
Changes since 1.24:	+12 -10 lines
Log Message:	improve toArray methods
#	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	jsr166	1.22	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	dl	1.1
18	jsr166	1.10	public class CopyOnWriteArrayListTest extends JSR166TestCase {
19	jsr166	1.8
20	dl	1.1	public static void main(String[] args) {
21	jsr166	1.17	junit.textui.TestRunner.run(suite());
22	dl	1.1	}
23
24			public static Test suite() {
25	jsr166	1.11	return new TestSuite(CopyOnWriteArrayListTest.class);
26	dl	1.1	}
27
28	jsr166	1.25	static CopyOnWriteArrayList<Integer> populatedArray(int n) {
29			CopyOnWriteArrayList<Integer> a
30			= new CopyOnWriteArrayList<Integer>();
31	dl	1.1	assertTrue(a.isEmpty());
32	jsr166	1.8	for (int i = 0; i < n; ++i)
33	jsr166	1.25	a.add(i);
34	dl	1.1	assertFalse(a.isEmpty());
35			assertEquals(n, a.size());
36			return a;
37			}
38
39	dl	1.4	/**
40	dl	1.5	* a new list is empty
41	dl	1.4	*/
42	dl	1.3	public void testConstructor() {
43	jsr166	1.11	CopyOnWriteArrayList a = new CopyOnWriteArrayList();
44	dl	1.3	assertTrue(a.isEmpty());
45			}
46
47	dl	1.4	/**
48	dl	1.5	* new list contains all elements of initializing array
49	dl	1.4	*/
50	dl	1.3	public void testConstructor2() {
51			Integer[] ints = new Integer[SIZE];
52			for (int i = 0; i < SIZE-1; ++i)
53			ints[i] = new Integer(i);
54	jsr166	1.11	CopyOnWriteArrayList a = new CopyOnWriteArrayList(ints);
55	jsr166	1.8	for (int i = 0; i < SIZE; ++i)
56	dl	1.3	assertEquals(ints[i], a.get(i));
57			}
58
59	dl	1.4	/**
60	dl	1.5	* new list contains all elements of initializing collection
61	dl	1.4	*/
62	dl	1.3	public void testConstructor3() {
63			Integer[] ints = new Integer[SIZE];
64			for (int i = 0; i < SIZE-1; ++i)
65			ints[i] = new Integer(i);
66	jsr166	1.11	CopyOnWriteArrayList a = new CopyOnWriteArrayList(Arrays.asList(ints));
67	jsr166	1.8	for (int i = 0; i < SIZE; ++i)
68	dl	1.3	assertEquals(ints[i], a.get(i));
69			}
70	jsr166	1.8
71	dl	1.1	/**
72	jsr166	1.18	* addAll adds each element from the given collection
73	dl	1.1	*/
74	dl	1.4	public void testAddAll() {
75	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
76			Vector v = new Vector();
77			v.add(three);
78			v.add(four);
79			v.add(five);
80			full.addAll(v);
81			assertEquals(6, full.size());
82	dl	1.1	}
83
84			/**
85	jsr166	1.18	* addAllAbsent adds each element from the given collection that did not
86			* already exist in the List
87	dl	1.1	*/
88	dl	1.4	public void testAddAllAbsent() {
89	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
90			Vector v = new Vector();
91			v.add(three);
92			v.add(four);
93			v.add(one); // will not add this element
94			full.addAllAbsent(v);
95			assertEquals(5, full.size());
96	dl	1.1	}
97
98			/**
99	jsr166	1.18	* addIfAbsent will not add the element if it already exists in the list
100	dl	1.1	*/
101	dl	1.4	public void testAddIfAbsent() {
102	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(SIZE);
103			full.addIfAbsent(one);
104			assertEquals(SIZE, full.size());
105	dl	1.1	}
106
107			/**
108	jsr166	1.18	* addIfAbsent adds the element when it does not exist in the list
109	dl	1.1	*/
110	dl	1.4	public void testAddIfAbsent2() {
111	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(SIZE);
112	dl	1.3	full.addIfAbsent(three);
113			assertTrue(full.contains(three));
114	dl	1.1	}
115
116			/**
117	jsr166	1.18	* clear removes all elements from the list
118	dl	1.1	*/
119	dl	1.4	public void testClear() {
120	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(SIZE);
121			full.clear();
122			assertEquals(0, full.size());
123	dl	1.1	}
124
125	dl	1.4	/**
126	jsr166	1.18	* Cloned list is equal
127	dl	1.4	*/
128			public void testClone() {
129	jsr166	1.11	CopyOnWriteArrayList l1 = populatedArray(SIZE);
130			CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone());
131	dl	1.4	assertEquals(l1, l2);
132	jsr166	1.11	l1.clear();
133	dl	1.4	assertFalse(l1.equals(l2));
134			}
135
136	dl	1.1	/**
137	jsr166	1.18	* contains is true for added elements
138	dl	1.1	*/
139	dl	1.4	public void testContains() {
140	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
141			assertTrue(full.contains(one));
142			assertFalse(full.contains(five));
143	dl	1.1	}
144
145	dl	1.4	/**
146	dl	1.7	* adding at an index places it in the indicated index
147	dl	1.4	*/
148	dl	1.1	public void testAddIndex() {
149	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
150	dl	1.3	full.add(0, m1);
151	dl	1.1	assertEquals(4, full.size());
152	dl	1.3	assertEquals(m1, full.get(0));
153			assertEquals(zero, full.get(1));
154	dl	1.1
155	dl	1.3	full.add(2, m2);
156	dl	1.1	assertEquals(5, full.size());
157	dl	1.3	assertEquals(m2, full.get(2));
158			assertEquals(two, full.get(4));
159	dl	1.1	}
160
161	dl	1.4	/**
162	dl	1.5	* lists with same elements are equal and have same hashCode
163	dl	1.4	*/
164	dl	1.1	public void testEquals() {
165	jsr166	1.11	CopyOnWriteArrayList a = populatedArray(3);
166			CopyOnWriteArrayList b = populatedArray(3);
167	dl	1.1	assertTrue(a.equals(b));
168			assertTrue(b.equals(a));
169			assertEquals(a.hashCode(), b.hashCode());
170	dl	1.3	a.add(m1);
171	dl	1.1	assertFalse(a.equals(b));
172			assertFalse(b.equals(a));
173	dl	1.3	b.add(m1);
174	dl	1.1	assertTrue(a.equals(b));
175			assertTrue(b.equals(a));
176			assertEquals(a.hashCode(), b.hashCode());
177			}
178
179			/**
180	jsr166	1.18	* containsAll returns true for collection with subset of elements
181	dl	1.1	*/
182	dl	1.4	public void testContainsAll() {
183	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
184			Vector v = new Vector();
185			v.add(one);
186			v.add(two);
187			assertTrue(full.containsAll(v));
188			v.add(six);
189			assertFalse(full.containsAll(v));
190	dl	1.1	}
191
192			/**
193	jsr166	1.18	* get returns the value at the given index
194	dl	1.1	*/
195	dl	1.4	public void testGet() {
196	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
197	jsr166	1.14	assertEquals(0, full.get(0));
198	dl	1.1	}
199
200			/**
201	jsr166	1.18	* indexOf gives the index for the given object
202	dl	1.1	*/
203	dl	1.4	public void testIndexOf() {
204	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
205			assertEquals(1, full.indexOf(one));
206			assertEquals(-1, full.indexOf("puppies"));
207	dl	1.1	}
208
209			/**
210	jsr166	1.18	* indexOf gives the index based on the given index
211			* at which to start searching
212	dl	1.1	*/
213	dl	1.4	public void testIndexOf2() {
214	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
215			assertEquals(1, full.indexOf(one, 0));
216			assertEquals(-1, full.indexOf(one, 2));
217	dl	1.1	}
218
219			/**
220	jsr166	1.18	* isEmpty returns true when empty, else false
221	dl	1.1	*/
222	dl	1.4	public void testIsEmpty() {
223	jsr166	1.11	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
224			CopyOnWriteArrayList full = populatedArray(SIZE);
225			assertTrue(empty.isEmpty());
226			assertFalse(full.isEmpty());
227	dl	1.1	}
228
229			/**
230	jsr166	1.18	* iterator() returns an iterator containing the elements of the list
231	dl	1.1	*/
232	dl	1.4	public void testIterator() {
233	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(SIZE);
234			Iterator i = full.iterator();
235			int j;
236			for (j = 0; i.hasNext(); j++)
237	jsr166	1.14	assertEquals(j, i.next());
238	jsr166	1.11	assertEquals(SIZE, j);
239	dl	1.1	}
240
241	dl	1.4	/**
242	dl	1.5	* iterator.remove throws UnsupportedOperationException
243	dl	1.4	*/
244	jsr166	1.17	public void testIteratorRemove() {
245	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(SIZE);
246	dl	1.1	Iterator it = full.iterator();
247			it.next();
248			try {
249			it.remove();
250	dl	1.4	shouldThrow();
251	jsr166	1.12	} catch (UnsupportedOperationException success) {}
252	dl	1.1	}
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	jsr166	1.20	assertTrue(s.contains(String.valueOf(i)));
262	dl	1.1	}
263	jsr166	1.8	}
264	dl	1.1
265			/**
266	jsr166	1.18	* 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	jsr166	1.18	* lastIndexOf returns the index from the given starting point
278	dl	1.1	*/
279	jsr166	1.21	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	jsr166	1.18	* 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	jsr166	1.14	assertEquals(j, i.next());
296	jsr166	1.11	assertEquals(SIZE, j);
297	dl	1.1	}
298
299			/**
300	jsr166	1.18	* 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	jsr166	1.14	assertEquals(j+1, i.next());
308	jsr166	1.11	assertEquals(2, j);
309	dl	1.1	}
310
311			/**
312	jsr166	1.18	* 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	jsr166	1.15	assertEquals(2, full.remove(2));
317	jsr166	1.11	assertEquals(2, full.size());
318	dl	1.1	}
319
320			/**
321	jsr166	1.18	* 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	jsr166	1.18	* 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	jsr166	1.15	assertEquals(2, full.set(2, four));
338	jsr166	1.14	assertEquals(4, full.get(2));
339	dl	1.1	}
340
341			/**
342	jsr166	1.18	* 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	jsr166	1.18	* 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	jsr166	1.14	assertEquals(0, o[0]);
359			assertEquals(1, o[1]);
360			assertEquals(2, o[2]);
361	dl	1.1	}
362
363			/**
364	jsr166	1.18	* 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	1.25	final int size = 3;
369			CopyOnWriteArrayList<Integer> full = populatedArray(size);
370			Integer[] ints = new Integer[size];
371			assertSame(ints, full.toArray(ints));
372			Iterator<Integer> it = full.iterator();
373			for (int i = 0; i < size; i++)
374			assertSame(ints[i], it.next());
375			assertFalse(it.hasNext());
376	dl	1.1	}
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	jsr166	1.24	assertEquals(3, s.size());
395	dl	1.3	s.set(2, m1);
396	dl	1.1	assertEquals(a.get(4), m1);
397	jsr166	1.11	s.clear();
398	jsr166	1.24	assertEquals(7, a.size());
399	dl	1.1	}
400
401			// Exception tests
402
403			/**
404	jsr166	1.18	* toArray throws an ArrayStoreException when the given array
405			* can not store the objects inside the list
406	dl	1.1	*/
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	1.13	} catch (ArrayStoreException success) {}
415	dl	1.1	}
416
417			/**
418	jsr166	1.18	* 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	1.13	} catch (IndexOutOfBoundsException success) {}
426	dl	1.1	}
427	jsr166	1.8
428	dl	1.1	/**
429	jsr166	1.18	* 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	1.13	} catch (IndexOutOfBoundsException success) {}
439	dl	1.1	}
440
441			/**
442	jsr166	1.18	* 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	1.13	} catch (IndexOutOfBoundsException success) {}
450	dl	1.1	}
451	jsr166	1.8
452	dl	1.1	/**
453	jsr166	1.18	* 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	1.13	} catch (IndexOutOfBoundsException success) {}
463	dl	1.1	}
464
465			/**
466	jsr166	1.18	* 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	1.13	} catch (IndexOutOfBoundsException success) {}
474	dl	1.1	}
475	jsr166	1.8
476	dl	1.1	/**
477	jsr166	1.18	* 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	1.13	} catch (IndexOutOfBoundsException success) {}
487	dl	1.1	}
488
489			/**
490	jsr166	1.18	* 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	1.13	} catch (IndexOutOfBoundsException success) {}
498	dl	1.1	}
499
500			/**
501	jsr166	1.18	* 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	1.13	} catch (IndexOutOfBoundsException success) {}
511	dl	1.1	}
512	jsr166	1.8
513	dl	1.1	/**
514	jsr166	1.18	* 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	1.13	} catch (IndexOutOfBoundsException success) {}
522	dl	1.1	}
523	jsr166	1.8
524	dl	1.1	/**
525	jsr166	1.18	* 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	1.13	} catch (IndexOutOfBoundsException success) {}
535	dl	1.1	}
536
537			/**
538	jsr166	1.18	* 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	1.13	} catch (IndexOutOfBoundsException success) {}
546	dl	1.1	}
547
548			/**
549	jsr166	1.18	* 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	1.13	} catch (IndexOutOfBoundsException success) {}
559	dl	1.1	}
560
561			/**
562	jsr166	1.18	* 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	dl	1.4	shouldThrow();
569	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
570	dl	1.1	}
571
572			/**
573	jsr166	1.18	* subList throws an IndexOutOfBoundsException on a too high index
574	dl	1.1	*/
575	dl	1.4	public void testSubList2_IndexOutOfBoundsException() {
576			try {
577	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
578			c.add("asdasd");
579			c.subList(1,100);
580	dl	1.4	shouldThrow();
581	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
582	dl	1.1	}
583
584			/**
585	jsr166	1.18	* subList throws IndexOutOfBoundsException when the second index
586			* is lower then the first
587	dl	1.1	*/
588	dl	1.4	public void testSubList3_IndexOutOfBoundsException() {
589			try {
590	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
591			c.subList(3,1);
592	dl	1.4	shouldThrow();
593	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
594	dl	1.2	}
595
596	dl	1.4	/**
597	jsr166	1.16	* a deserialized serialized list is equal
598	dl	1.4	*/
599	jsr166	1.12	public void testSerialization() throws Exception {
600	jsr166	1.22	List x = populatedArray(SIZE);
601			List y = serialClone(x);
602	dl	1.2
603	jsr166	1.22	assertTrue(x != y);
604			assertEquals(x.size(), y.size());
605			assertEquals(x.toString(), y.toString());
606			assertTrue(Arrays.equals(x.toArray(), y.toArray()));
607			assertEquals(x, y);
608			assertEquals(y, x);
609			while (!x.isEmpty()) {
610			assertFalse(y.isEmpty());
611			assertEquals(x.remove(0), y.remove(0));
612			}
613			assertTrue(y.isEmpty());
614	dl	1.1	}
615	jsr166	1.8
616	dl	1.1	}