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(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 {
        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:	1.22
Committed:	Tue May 31 16:16:23 2011 UTC (12 years, 11 months ago) by jsr166
Branch:	MAIN
Changes since 1.21:	+20 -15 lines
Log Message:	use serialClone in serialization tests; update imports
#	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	1.3
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	1.3
72	dl	1.1	/**
73	jsr166	1.18	* addAll adds each element from the given collection
74	dl	1.1	*/
75	dl	1.4	public void testAddAll() {
76	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
77			Vector v = new Vector();
78			v.add(three);
79			v.add(four);
80			v.add(five);
81			full.addAll(v);
82			assertEquals(6, full.size());
83	dl	1.1	}
84
85			/**
86	jsr166	1.18	* addAllAbsent adds each element from the given collection that did not
87			* already exist in the List
88	dl	1.1	*/
89	dl	1.4	public void testAddAllAbsent() {
90	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
91			Vector v = new Vector();
92			v.add(three);
93			v.add(four);
94			v.add(one); // will not add this element
95			full.addAllAbsent(v);
96			assertEquals(5, full.size());
97	dl	1.1	}
98
99			/**
100	jsr166	1.18	* addIfAbsent will not add the element if it already exists in the list
101	dl	1.1	*/
102	dl	1.4	public void testAddIfAbsent() {
103	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(SIZE);
104			full.addIfAbsent(one);
105			assertEquals(SIZE, full.size());
106	dl	1.1	}
107
108			/**
109	jsr166	1.18	* addIfAbsent adds the element when it does not exist in the list
110	dl	1.1	*/
111	dl	1.4	public void testAddIfAbsent2() {
112	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(SIZE);
113	dl	1.3	full.addIfAbsent(three);
114			assertTrue(full.contains(three));
115	dl	1.1	}
116
117			/**
118	jsr166	1.18	* clear removes all elements from the list
119	dl	1.1	*/
120	dl	1.4	public void testClear() {
121	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(SIZE);
122			full.clear();
123			assertEquals(0, full.size());
124	dl	1.1	}
125
126	dl	1.4
127			/**
128	jsr166	1.18	* Cloned list is equal
129	dl	1.4	*/
130			public void testClone() {
131	jsr166	1.11	CopyOnWriteArrayList l1 = populatedArray(SIZE);
132			CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone());
133	dl	1.4	assertEquals(l1, l2);
134	jsr166	1.11	l1.clear();
135	dl	1.4	assertFalse(l1.equals(l2));
136			}
137
138	dl	1.1	/**
139	jsr166	1.18	* contains is true for added elements
140	dl	1.1	*/
141	dl	1.4	public void testContains() {
142	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
143			assertTrue(full.contains(one));
144			assertFalse(full.contains(five));
145	dl	1.1	}
146
147	dl	1.4	/**
148	dl	1.7	* adding at an index places it in the indicated index
149	dl	1.4	*/
150	dl	1.1	public void testAddIndex() {
151	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
152	dl	1.3	full.add(0, m1);
153	dl	1.1	assertEquals(4, full.size());
154	dl	1.3	assertEquals(m1, full.get(0));
155			assertEquals(zero, full.get(1));
156	dl	1.1
157	dl	1.3	full.add(2, m2);
158	dl	1.1	assertEquals(5, full.size());
159	dl	1.3	assertEquals(m2, full.get(2));
160			assertEquals(two, full.get(4));
161	dl	1.1	}
162
163	dl	1.4	/**
164	dl	1.5	* lists with same elements are equal and have same hashCode
165	dl	1.4	*/
166	dl	1.1	public void testEquals() {
167	jsr166	1.11	CopyOnWriteArrayList a = populatedArray(3);
168			CopyOnWriteArrayList b = populatedArray(3);
169	dl	1.1	assertTrue(a.equals(b));
170			assertTrue(b.equals(a));
171			assertEquals(a.hashCode(), b.hashCode());
172	dl	1.3	a.add(m1);
173	dl	1.1	assertFalse(a.equals(b));
174			assertFalse(b.equals(a));
175	dl	1.3	b.add(m1);
176	dl	1.1	assertTrue(a.equals(b));
177			assertTrue(b.equals(a));
178			assertEquals(a.hashCode(), b.hashCode());
179			}
180
181	jsr166	1.8
182	dl	1.1	/**
183	jsr166	1.18	* containsAll returns true for collection with subset of elements
184	dl	1.1	*/
185	dl	1.4	public void testContainsAll() {
186	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
187			Vector v = new Vector();
188			v.add(one);
189			v.add(two);
190			assertTrue(full.containsAll(v));
191			v.add(six);
192			assertFalse(full.containsAll(v));
193	dl	1.1	}
194
195			/**
196	jsr166	1.18	* get returns the value at the given index
197	dl	1.1	*/
198	dl	1.4	public void testGet() {
199	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
200	jsr166	1.14	assertEquals(0, full.get(0));
201	dl	1.1	}
202
203			/**
204	jsr166	1.18	* indexOf gives the index for the given object
205	dl	1.1	*/
206	dl	1.4	public void testIndexOf() {
207	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
208			assertEquals(1, full.indexOf(one));
209			assertEquals(-1, full.indexOf("puppies"));
210	dl	1.1	}
211
212			/**
213	jsr166	1.18	* indexOf gives the index based on the given index
214			* at which to start searching
215	dl	1.1	*/
216	dl	1.4	public void testIndexOf2() {
217	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
218			assertEquals(1, full.indexOf(one, 0));
219			assertEquals(-1, full.indexOf(one, 2));
220	dl	1.1	}
221
222			/**
223	jsr166	1.18	* isEmpty returns true when empty, else false
224	dl	1.1	*/
225	dl	1.4	public void testIsEmpty() {
226	jsr166	1.11	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
227			CopyOnWriteArrayList full = populatedArray(SIZE);
228			assertTrue(empty.isEmpty());
229			assertFalse(full.isEmpty());
230	dl	1.1	}
231
232			/**
233	jsr166	1.18	* iterator() returns an iterator containing the elements of the list
234	dl	1.1	*/
235	dl	1.4	public void testIterator() {
236	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(SIZE);
237			Iterator i = full.iterator();
238			int j;
239			for (j = 0; i.hasNext(); j++)
240	jsr166	1.14	assertEquals(j, i.next());
241	jsr166	1.11	assertEquals(SIZE, j);
242	dl	1.1	}
243
244	dl	1.4	/**
245	dl	1.5	* iterator.remove throws UnsupportedOperationException
246	dl	1.4	*/
247	jsr166	1.17	public void testIteratorRemove() {
248	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(SIZE);
249	dl	1.1	Iterator it = full.iterator();
250			it.next();
251			try {
252			it.remove();
253	dl	1.4	shouldThrow();
254	jsr166	1.12	} catch (UnsupportedOperationException success) {}
255	dl	1.1	}
256
257	dl	1.4	/**
258	dl	1.5	* toString contains toString of elements
259	dl	1.4	*/
260			public void testToString() {
261	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
262	dl	1.1	String s = full.toString();
263			for (int i = 0; i < 3; ++i) {
264	jsr166	1.20	assertTrue(s.contains(String.valueOf(i)));
265	dl	1.1	}
266	jsr166	1.8	}
267	dl	1.1
268			/**
269	jsr166	1.18	* lastIndexOf returns the index for the given object
270	dl	1.1	*/
271	dl	1.4	public void testLastIndexOf1() {
272	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
273			full.add(one);
274			full.add(three);
275			assertEquals(3, full.lastIndexOf(one));
276			assertEquals(-1, full.lastIndexOf(six));
277	dl	1.1	}
278
279			/**
280	jsr166	1.18	* lastIndexOf returns the index from the given starting point
281	dl	1.1	*/
282	jsr166	1.21	public void testLastIndexOf2() {
283	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
284			full.add(one);
285			full.add(three);
286			assertEquals(3, full.lastIndexOf(one, 4));
287			assertEquals(-1, full.lastIndexOf(three, 3));
288	dl	1.1	}
289
290			/**
291	jsr166	1.18	* listIterator traverses all elements
292	dl	1.1	*/
293	dl	1.4	public void testListIterator1() {
294	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(SIZE);
295			ListIterator i = full.listIterator();
296			int j;
297			for (j = 0; i.hasNext(); j++)
298	jsr166	1.14	assertEquals(j, i.next());
299	jsr166	1.11	assertEquals(SIZE, j);
300	dl	1.1	}
301
302			/**
303	jsr166	1.18	* listIterator only returns those elements after the given index
304	dl	1.1	*/
305	dl	1.4	public void testListIterator2() {
306	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
307			ListIterator i = full.listIterator(1);
308			int j;
309			for (j = 0; i.hasNext(); j++)
310	jsr166	1.14	assertEquals(j+1, i.next());
311	jsr166	1.11	assertEquals(2, j);
312	dl	1.1	}
313
314			/**
315	jsr166	1.18	* remove removes and returns the object at the given index
316	dl	1.1	*/
317	dl	1.4	public void testRemove() {
318	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
319	jsr166	1.15	assertEquals(2, full.remove(2));
320	jsr166	1.11	assertEquals(2, full.size());
321	dl	1.1	}
322
323			/**
324	jsr166	1.18	* removeAll removes all elements from the given collection
325	dl	1.1	*/
326	dl	1.4	public void testRemoveAll() {
327	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
328			Vector v = new Vector();
329			v.add(one);
330			v.add(two);
331			full.removeAll(v);
332			assertEquals(1, full.size());
333	dl	1.1	}
334
335			/**
336	jsr166	1.18	* set changes the element at the given index
337	dl	1.1	*/
338	dl	1.4	public void testSet() {
339	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
340	jsr166	1.15	assertEquals(2, full.set(2, four));
341	jsr166	1.14	assertEquals(4, full.get(2));
342	dl	1.1	}
343
344			/**
345	jsr166	1.18	* size returns the number of elements
346	dl	1.1	*/
347	dl	1.4	public void testSize() {
348	jsr166	1.11	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
349			CopyOnWriteArrayList full = populatedArray(SIZE);
350			assertEquals(SIZE, full.size());
351			assertEquals(0, empty.size());
352	dl	1.1	}
353
354			/**
355	jsr166	1.18	* toArray returns an Object array containing all elements from the list
356	dl	1.1	*/
357	dl	1.4	public void testToArray() {
358	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
359			Object[] o = full.toArray();
360			assertEquals(3, o.length);
361	jsr166	1.14	assertEquals(0, o[0]);
362			assertEquals(1, o[1]);
363			assertEquals(2, o[2]);
364	dl	1.1	}
365
366			/**
367	jsr166	1.18	* toArray returns an Integer array containing all elements from
368			* the list
369	dl	1.1	*/
370	dl	1.4	public void testToArray2() {
371	jsr166	1.11	CopyOnWriteArrayList full = populatedArray(3);
372			Integer[] i = new Integer[3];
373			i = (Integer[])full.toArray(i);
374			assertEquals(3, i.length);
375			assertEquals(0, i[0].intValue());
376			assertEquals(1, i[1].intValue());
377			assertEquals(2, i[2].intValue());
378	dl	1.1	}
379
380
381	dl	1.4	/**
382	dl	1.5	* sublists contains elements at indexes offset from their base
383	dl	1.4	*/
384	dl	1.1	public void testSubList() {
385	jsr166	1.11	CopyOnWriteArrayList a = populatedArray(10);
386	dl	1.1	assertTrue(a.subList(1,1).isEmpty());
387	jsr166	1.11	for (int j = 0; j < 9; ++j) {
388			for (int i = j ; i < 10; ++i) {
389			List b = a.subList(j,i);
390			for (int k = j; k < i; ++k) {
391			assertEquals(new Integer(k), b.get(k-j));
392			}
393			}
394			}
395	dl	1.1
396	jsr166	1.11	List s = a.subList(2, 5);
397	dl	1.1	assertEquals(s.size(), 3);
398	dl	1.3	s.set(2, m1);
399	dl	1.1	assertEquals(a.get(4), m1);
400	jsr166	1.11	s.clear();
401	dl	1.1	assertEquals(a.size(), 7);
402			}
403
404			// Exception tests
405
406			/**
407	jsr166	1.18	* toArray throws an ArrayStoreException when the given array
408			* can not store the objects inside the list
409	dl	1.1	*/
410	dl	1.4	public void testToArray_ArrayStoreException() {
411			try {
412	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
413			c.add("zfasdfsdf");
414			c.add("asdadasd");
415			c.toArray(new Long[5]);
416	jsr166	1.11	shouldThrow();
417	jsr166	1.13	} catch (ArrayStoreException success) {}
418	dl	1.1	}
419
420			/**
421	jsr166	1.18	* get throws an IndexOutOfBoundsException on a negative index
422	dl	1.1	*/
423	dl	1.4	public void testGet1_IndexOutOfBoundsException() {
424			try {
425	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
426			c.get(-1);
427	dl	1.4	shouldThrow();
428	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
429	dl	1.1	}
430	jsr166	1.8
431	dl	1.1	/**
432	jsr166	1.18	* get throws an IndexOutOfBoundsException on a too high index
433	dl	1.1	*/
434	dl	1.4	public void testGet2_IndexOutOfBoundsException() {
435			try {
436	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
437			c.add("asdasd");
438			c.add("asdad");
439			c.get(100);
440	dl	1.4	shouldThrow();
441	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
442	dl	1.1	}
443
444			/**
445	jsr166	1.18	* set throws an IndexOutOfBoundsException on a negative index
446	dl	1.1	*/
447	dl	1.4	public void testSet1_IndexOutOfBoundsException() {
448			try {
449	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
450			c.set(-1,"qwerty");
451	dl	1.4	shouldThrow();
452	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
453	dl	1.1	}
454	jsr166	1.8
455	dl	1.1	/**
456	jsr166	1.18	* set throws an IndexOutOfBoundsException on a too high index
457	dl	1.1	*/
458	dl	1.4	public void testSet2() {
459			try {
460	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
461			c.add("asdasd");
462			c.add("asdad");
463			c.set(100, "qwerty");
464	dl	1.4	shouldThrow();
465	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
466	dl	1.1	}
467
468			/**
469	jsr166	1.18	* add throws an IndexOutOfBoundsException on a negative index
470	dl	1.1	*/
471	dl	1.4	public void testAdd1_IndexOutOfBoundsException() {
472			try {
473	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
474			c.add(-1,"qwerty");
475	dl	1.4	shouldThrow();
476	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
477	dl	1.1	}
478	jsr166	1.8
479	dl	1.1	/**
480	jsr166	1.18	* add throws an IndexOutOfBoundsException on a too high index
481	dl	1.1	*/
482	dl	1.4	public void testAdd2_IndexOutOfBoundsException() {
483			try {
484	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
485			c.add("asdasd");
486			c.add("asdasdasd");
487			c.add(100, "qwerty");
488	dl	1.4	shouldThrow();
489	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
490	dl	1.1	}
491
492			/**
493	jsr166	1.18	* remove throws an IndexOutOfBoundsException on a negative index
494	dl	1.1	*/
495	dl	1.4	public void testRemove1_IndexOutOfBounds() {
496			try {
497	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
498			c.remove(-1);
499	dl	1.4	shouldThrow();
500	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
501	dl	1.1	}
502
503			/**
504	jsr166	1.18	* remove throws an IndexOutOfBoundsException on a too high index
505	dl	1.1	*/
506	dl	1.4	public void testRemove2_IndexOutOfBounds() {
507			try {
508	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
509			c.add("asdasd");
510			c.add("adasdasd");
511			c.remove(100);
512	dl	1.4	shouldThrow();
513	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
514	dl	1.1	}
515	jsr166	1.8
516	dl	1.1	/**
517	jsr166	1.18	* addAll throws an IndexOutOfBoundsException on a negative index
518	dl	1.1	*/
519	dl	1.4	public void testAddAll1_IndexOutOfBoundsException() {
520			try {
521	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
522			c.addAll(-1,new LinkedList());
523	dl	1.4	shouldThrow();
524	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
525	dl	1.1	}
526	jsr166	1.8
527	dl	1.1	/**
528	jsr166	1.18	* addAll throws an IndexOutOfBoundsException on a too high index
529	dl	1.1	*/
530	dl	1.4	public void testAddAll2_IndexOutOfBoundsException() {
531			try {
532	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
533			c.add("asdasd");
534			c.add("asdasdasd");
535			c.addAll(100, new LinkedList());
536	dl	1.4	shouldThrow();
537	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
538	dl	1.1	}
539
540			/**
541	jsr166	1.18	* listIterator throws an IndexOutOfBoundsException on a negative index
542	dl	1.1	*/
543	dl	1.4	public void testListIterator1_IndexOutOfBoundsException() {
544			try {
545	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
546			c.listIterator(-1);
547	dl	1.4	shouldThrow();
548	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
549	dl	1.1	}
550
551			/**
552	jsr166	1.18	* listIterator throws an IndexOutOfBoundsException on a too high index
553	dl	1.1	*/
554	dl	1.4	public void testListIterator2_IndexOutOfBoundsException() {
555			try {
556	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
557			c.add("adasd");
558			c.add("asdasdas");
559			c.listIterator(100);
560	dl	1.4	shouldThrow();
561	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
562	dl	1.1	}
563
564			/**
565	jsr166	1.18	* subList throws an IndexOutOfBoundsException on a negative index
566	dl	1.1	*/
567	dl	1.4	public void testSubList1_IndexOutOfBoundsException() {
568			try {
569	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
570			c.subList(-1,100);
571	dl	1.4	shouldThrow();
572	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
573	dl	1.1	}
574
575			/**
576	jsr166	1.18	* subList throws an IndexOutOfBoundsException on a too high index
577	dl	1.1	*/
578	dl	1.4	public void testSubList2_IndexOutOfBoundsException() {
579			try {
580	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
581			c.add("asdasd");
582			c.subList(1,100);
583	dl	1.4	shouldThrow();
584	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
585	dl	1.1	}
586
587			/**
588	jsr166	1.18	* subList throws IndexOutOfBoundsException when the second index
589			* is lower then the first
590	dl	1.1	*/
591	dl	1.4	public void testSubList3_IndexOutOfBoundsException() {
592			try {
593	dl	1.1	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
594			c.subList(3,1);
595	dl	1.4	shouldThrow();
596	jsr166	1.13	} catch (IndexOutOfBoundsException success) {}
597	dl	1.2	}
598
599	dl	1.4	/**
600	jsr166	1.16	* a deserialized serialized list is equal
601	dl	1.4	*/
602	jsr166	1.12	public void testSerialization() throws Exception {
603	jsr166	1.22	List x = populatedArray(SIZE);
604			List y = serialClone(x);
605	dl	1.2
606	jsr166	1.22	assertTrue(x != y);
607			assertEquals(x.size(), y.size());
608			assertEquals(x.toString(), y.toString());
609			assertTrue(Arrays.equals(x.toArray(), y.toArray()));
610			assertEquals(x, y);
611			assertEquals(y, x);
612			while (!x.isEmpty()) {
613			assertFalse(y.isEmpty());
614			assertEquals(x.remove(0), y.remove(0));
615			}
616			assertTrue(y.isEmpty());
617	dl	1.1	}
618	jsr166	1.8
619	dl	1.1	}