test/tck/CopyOnWriteArrayListTest.java

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

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

public class CopyOnWriteArrayListTest extends JSR166TestCase {

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    // Exception tests

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

}
Revision:	1.24
Committed:	Sat Nov 26 05:19:17 2011 UTC (12 years, 5 months ago) by jsr166
Branch:	MAIN
Changes since 1.23:	+2 -2 lines
Log Message:	assertEquals argument order
#	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	1.10	static CopyOnWriteArrayList populatedArray(int n) {
29	jsr166	1.11	CopyOnWriteArrayList a = new CopyOnWriteArrayList();
30	dl	1.1	assertTrue(a.isEmpty());
31	jsr166	1.8	for (int i = 0; i < n; ++i)
32	dl	1.1	a.add(new Integer(i));
33			assertFalse(a.isEmpty());
34			assertEquals(n, a.size());
35			return a;
36			}
37
38	dl	1.4	/**
39	dl	1.5	* a new list is empty
40	dl	1.4	*/
41	dl	1.3	public void testConstructor() {
42	jsr166	1.11	CopyOnWriteArrayList a = new CopyOnWriteArrayList();
43	dl	1.3	assertTrue(a.isEmpty());
44			}
45
46	dl	1.4	/**
47	dl	1.5	* new list contains all elements of initializing array
48	dl	1.4	*/
49	dl	1.3	public void testConstructor2() {
50			Integer[] ints = new Integer[SIZE];
51			for (int i = 0; i < SIZE-1; ++i)
52			ints[i] = new Integer(i);
53	jsr166	1.11	CopyOnWriteArrayList a = new CopyOnWriteArrayList(ints);
54	jsr166	1.8	for (int i = 0; i < SIZE; ++i)
55	dl	1.3	assertEquals(ints[i], a.get(i));
56			}
57
58	dl	1.4	/**
59	dl	1.5	* new list contains all elements of initializing collection
60	dl	1.4	*/
61	dl	1.3	public void testConstructor3() {
62			Integer[] ints = new Integer[SIZE];
63			for (int i = 0; i < SIZE-1; ++i)
64			ints[i] = new Integer(i);
65	jsr166	1.11	CopyOnWriteArrayList a = new CopyOnWriteArrayList(Arrays.asList(ints));
66	jsr166	1.8	for (int i = 0; i < SIZE; ++i)
67	dl	1.3	assertEquals(ints[i], a.get(i));
68			}
69	jsr166	1.8
70	dl	1.1	/**
71	jsr166	1.18	* addAll adds each element from the given collection
72	dl	1.1	*/
73	dl	1.4	public void testAddAll() {
74	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
75			Vector v = new Vector();
76			v.add(three);
77			v.add(four);
78			v.add(five);
79			full.addAll(v);
80			assertEquals(6, full.size());
81	dl	1.1	}
82
83			/**
84	jsr166	1.18	* addAllAbsent adds each element from the given collection that did not
85			* already exist in the List
86	dl	1.1	*/
87	dl	1.4	public void testAddAllAbsent() {
88	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
89			Vector v = new Vector();
90			v.add(three);
91			v.add(four);
92			v.add(one); // will not add this element
93			full.addAllAbsent(v);
94			assertEquals(5, full.size());
95	dl	1.1	}
96
97			/**
98	jsr166	1.18	* addIfAbsent will not add the element if it already exists in the list
99	dl	1.1	*/
100	dl	1.4	public void testAddIfAbsent() {
101	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(SIZE);
102			full.addIfAbsent(one);
103			assertEquals(SIZE, full.size());
104	dl	1.1	}
105
106			/**
107	jsr166	1.18	* addIfAbsent adds the element when it does not exist in the list
108	dl	1.1	*/
109	dl	1.4	public void testAddIfAbsent2() {
110	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(SIZE);
111	dl	1.3	full.addIfAbsent(three);
112			assertTrue(full.contains(three));
113	dl	1.1	}
114
115			/**
116	jsr166	1.18	* clear removes all elements from the list
117	dl	1.1	*/
118	dl	1.4	public void testClear() {
119	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(SIZE);
120			full.clear();
121			assertEquals(0, full.size());
122	dl	1.1	}
123
124	dl	1.4	/**
125	jsr166	1.18	* Cloned list is equal
126	dl	1.4	*/
127			public void testClone() {
128	jsr166	1.11	CopyOnWriteArrayList l1 = populatedArray(SIZE);
129			CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone());
130	dl	1.4	assertEquals(l1, l2);
131	jsr166	1.11	l1.clear();
132	dl	1.4	assertFalse(l1.equals(l2));
133			}
134
135	dl	1.1	/**
136	jsr166	1.18	* contains is true for added elements
137	dl	1.1	*/
138	dl	1.4	public void testContains() {
139	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
140			assertTrue(full.contains(one));
141			assertFalse(full.contains(five));
142	dl	1.1	}
143
144	dl	1.4	/**
145	dl	1.7	* adding at an index places it in the indicated index
146	dl	1.4	*/
147	dl	1.1	public void testAddIndex() {
148	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
149	dl	1.3	full.add(0, m1);
150	dl	1.1	assertEquals(4, full.size());
151	dl	1.3	assertEquals(m1, full.get(0));
152			assertEquals(zero, full.get(1));
153	dl	1.1
154	dl	1.3	full.add(2, m2);
155	dl	1.1	assertEquals(5, full.size());
156	dl	1.3	assertEquals(m2, full.get(2));
157			assertEquals(two, full.get(4));
158	dl	1.1	}
159
160	dl	1.4	/**
161	dl	1.5	* lists with same elements are equal and have same hashCode
162	dl	1.4	*/
163	dl	1.1	public void testEquals() {
164	jsr166	1.11	CopyOnWriteArrayList a = populatedArray(3);
165			CopyOnWriteArrayList b = populatedArray(3);
166	dl	1.1	assertTrue(a.equals(b));
167			assertTrue(b.equals(a));
168			assertEquals(a.hashCode(), b.hashCode());
169	dl	1.3	a.add(m1);
170	dl	1.1	assertFalse(a.equals(b));
171			assertFalse(b.equals(a));
172	dl	1.3	b.add(m1);
173	dl	1.1	assertTrue(a.equals(b));
174			assertTrue(b.equals(a));
175			assertEquals(a.hashCode(), b.hashCode());
176			}
177
178			/**
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	jsr166	1.21	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	dl	1.4	/**
377	dl	1.5	* sublists contains elements at indexes offset from their base
378	dl	1.4	*/
379	dl	1.1	public void testSubList() {
380	jsr166	1.11	CopyOnWriteArrayList a = populatedArray(10);
381	dl	1.1	assertTrue(a.subList(1,1).isEmpty());
382	jsr166	1.11	for (int j = 0; j < 9; ++j) {
383			for (int i = j ; i < 10; ++i) {
384			List b = a.subList(j,i);
385			for (int k = j; k < i; ++k) {
386			assertEquals(new Integer(k), b.get(k-j));
387			}
388			}
389			}
390	dl	1.1
391	jsr166	1.11	List s = a.subList(2, 5);
392	jsr166	1.24	assertEquals(3, s.size());
393	dl	1.3	s.set(2, m1);
394	dl	1.1	assertEquals(a.get(4), m1);
395	jsr166	1.11	s.clear();
396	jsr166	1.24	assertEquals(7, a.size());
397	dl	1.1	}
398
399			// Exception tests
400
401			/**
402	jsr166	1.18	* toArray throws an ArrayStoreException when the given array
403			* can not store the objects inside the list
404	dl	1.1	*/
405	dl	1.4	public void testToArray_ArrayStoreException() {
406			try {
407	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
408			c.add("zfasdfsdf");
409			c.add("asdadasd");
410			c.toArray(new Long[5]);
411	jsr166	1.11	shouldThrow();
412	jsr166	1.13	} catch (ArrayStoreException success) {}
413	dl	1.1	}
414
415			/**
416	jsr166	1.18	* get throws an IndexOutOfBoundsException on a negative index
417	dl	1.1	*/
418	dl	1.4	public void testGet1_IndexOutOfBoundsException() {
419			try {
420	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
421			c.get(-1);
422	dl	1.4	shouldThrow();
423	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
424	dl	1.1	}
425	jsr166	1.8
426	dl	1.1	/**
427	jsr166	1.18	* get throws an IndexOutOfBoundsException on a too high index
428	dl	1.1	*/
429	dl	1.4	public void testGet2_IndexOutOfBoundsException() {
430			try {
431	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
432			c.add("asdasd");
433			c.add("asdad");
434			c.get(100);
435	dl	1.4	shouldThrow();
436	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
437	dl	1.1	}
438
439			/**
440	jsr166	1.18	* set throws an IndexOutOfBoundsException on a negative index
441	dl	1.1	*/
442	dl	1.4	public void testSet1_IndexOutOfBoundsException() {
443			try {
444	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
445			c.set(-1,"qwerty");
446	dl	1.4	shouldThrow();
447	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
448	dl	1.1	}
449	jsr166	1.8
450	dl	1.1	/**
451	jsr166	1.18	* set throws an IndexOutOfBoundsException on a too high index
452	dl	1.1	*/
453	dl	1.4	public void testSet2() {
454			try {
455	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
456			c.add("asdasd");
457			c.add("asdad");
458			c.set(100, "qwerty");
459	dl	1.4	shouldThrow();
460	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
461	dl	1.1	}
462
463			/**
464	jsr166	1.18	* add throws an IndexOutOfBoundsException on a negative index
465	dl	1.1	*/
466	dl	1.4	public void testAdd1_IndexOutOfBoundsException() {
467			try {
468	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
469			c.add(-1,"qwerty");
470	dl	1.4	shouldThrow();
471	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
472	dl	1.1	}
473	jsr166	1.8
474	dl	1.1	/**
475	jsr166	1.18	* add throws an IndexOutOfBoundsException on a too high index
476	dl	1.1	*/
477	dl	1.4	public void testAdd2_IndexOutOfBoundsException() {
478			try {
479	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
480			c.add("asdasd");
481			c.add("asdasdasd");
482			c.add(100, "qwerty");
483	dl	1.4	shouldThrow();
484	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
485	dl	1.1	}
486
487			/**
488	jsr166	1.18	* remove throws an IndexOutOfBoundsException on a negative index
489	dl	1.1	*/
490	dl	1.4	public void testRemove1_IndexOutOfBounds() {
491			try {
492	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
493			c.remove(-1);
494	dl	1.4	shouldThrow();
495	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
496	dl	1.1	}
497
498			/**
499	jsr166	1.18	* remove throws an IndexOutOfBoundsException on a too high index
500	dl	1.1	*/
501	dl	1.4	public void testRemove2_IndexOutOfBounds() {
502			try {
503	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
504			c.add("asdasd");
505			c.add("adasdasd");
506			c.remove(100);
507	dl	1.4	shouldThrow();
508	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
509	dl	1.1	}
510	jsr166	1.8
511	dl	1.1	/**
512	jsr166	1.18	* addAll throws an IndexOutOfBoundsException on a negative index
513	dl	1.1	*/
514	dl	1.4	public void testAddAll1_IndexOutOfBoundsException() {
515			try {
516	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
517			c.addAll(-1,new LinkedList());
518	dl	1.4	shouldThrow();
519	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
520	dl	1.1	}
521	jsr166	1.8
522	dl	1.1	/**
523	jsr166	1.18	* addAll throws an IndexOutOfBoundsException on a too high index
524	dl	1.1	*/
525	dl	1.4	public void testAddAll2_IndexOutOfBoundsException() {
526			try {
527	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
528			c.add("asdasd");
529			c.add("asdasdasd");
530			c.addAll(100, new LinkedList());
531	dl	1.4	shouldThrow();
532	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
533	dl	1.1	}
534
535			/**
536	jsr166	1.18	* listIterator throws an IndexOutOfBoundsException on a negative index
537	dl	1.1	*/
538	dl	1.4	public void testListIterator1_IndexOutOfBoundsException() {
539			try {
540	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
541			c.listIterator(-1);
542	dl	1.4	shouldThrow();
543	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
544	dl	1.1	}
545
546			/**
547	jsr166	1.18	* listIterator throws an IndexOutOfBoundsException on a too high index
548	dl	1.1	*/
549	dl	1.4	public void testListIterator2_IndexOutOfBoundsException() {
550			try {
551	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
552			c.add("adasd");
553			c.add("asdasdas");
554			c.listIterator(100);
555	dl	1.4	shouldThrow();
556	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
557	dl	1.1	}
558
559			/**
560	jsr166	1.18	* subList throws an IndexOutOfBoundsException on a negative index
561	dl	1.1	*/
562	dl	1.4	public void testSubList1_IndexOutOfBoundsException() {
563			try {
564	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
565			c.subList(-1,100);
566	dl	1.4	shouldThrow();
567	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
568	dl	1.1	}
569
570			/**
571	jsr166	1.18	* subList throws an IndexOutOfBoundsException on a too high index
572	dl	1.1	*/
573	dl	1.4	public void testSubList2_IndexOutOfBoundsException() {
574			try {
575	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
576			c.add("asdasd");
577			c.subList(1,100);
578	dl	1.4	shouldThrow();
579	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
580	dl	1.1	}
581
582			/**
583	jsr166	1.18	* subList throws IndexOutOfBoundsException when the second index
584			* is lower then the first
585	dl	1.1	*/
586	dl	1.4	public void testSubList3_IndexOutOfBoundsException() {
587			try {
588	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
589			c.subList(3,1);
590	dl	1.4	shouldThrow();
591	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
592	dl	1.2	}
593
594	dl	1.4	/**
595	jsr166	1.16	* a deserialized serialized list is equal
596	dl	1.4	*/
597	jsr166	1.12	public void testSerialization() throws Exception {
598	jsr166	1.22	List x = populatedArray(SIZE);
599			List y = serialClone(x);
600	dl	1.2
601	jsr166	1.22	assertTrue(x != y);
602			assertEquals(x.size(), y.size());
603			assertEquals(x.toString(), y.toString());
604			assertTrue(Arrays.equals(x.toArray(), y.toArray()));
605			assertEquals(x, y);
606			assertEquals(y, x);
607			while (!x.isEmpty()) {
608			assertFalse(y.isEmpty());
609			assertEquals(x.remove(0), y.remove(0));
610			}
611			assertTrue(y.isEmpty());
612	dl	1.1	}
613	jsr166	1.8
614	dl	1.1	}