test/tck/ArrayListTest.java

/*
 * Written by Doug Lea and Martin Buchholz 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/
 */

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import junit.framework.Test;

public class ArrayListTest extends JSR166TestCase {
    public static void main(String[] args) {
        main(suite(), args);
    }

    public static Test suite() {
        class Implementation implements CollectionImplementation {
            public Class<?> klazz() { return ArrayList.class; }
            public List emptyCollection() { return new ArrayList(); }
            public Object makeElement(int i) { return JSR166TestCase.itemFor(i); }
            public boolean isConcurrent() { return false; }
            public boolean permitsNulls() { return true; }
        }
        class SubListImplementation extends Implementation {
            public List emptyCollection() {
                return super.emptyCollection().subList(0, 0);
            }
        }
        return newTestSuite(
                ArrayListTest.class,
                CollectionTest.testSuite(new Implementation()),
                CollectionTest.testSuite(new SubListImplementation()));
    }

    /**
     * A cloned list equals original
     */
    public void testClone() throws Exception {
        ArrayList<Item> x = new ArrayList<>();
        x.add(one);
        x.add(two);
        x.add(three);
        @SuppressWarnings("unchecked")
        ArrayList<Item> y = (ArrayList<Item>) x.clone();

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

}
Revision:	1.8
Committed:	Tue Jan 26 13:33:05 2021 UTC (3 years, 3 months ago) by dl
Branch:	MAIN
CVS Tags:	HEAD
Changes since 1.7:	+12 -11 lines
Log Message:	Replace Integer with Item class
#	User	Rev	Content
1	jsr166	1.1	/*
2			* Written by Doug Lea and Martin Buchholz with assistance from
3			* members of JCP JSR-166 Expert Group and released to the public
4			* domain, as explained at
5			* http://creativecommons.org/publicdomain/zero/1.0/
6			*/
7
8			import java.util.ArrayList;
9	jsr166	1.6	import java.util.Arrays;
10	jsr166	1.2	import java.util.List;
11	jsr166	1.1
12			import junit.framework.Test;
13
14			public class ArrayListTest extends JSR166TestCase {
15			public static void main(String[] args) {
16			main(suite(), args);
17			}
18
19			public static Test suite() {
20			class Implementation implements CollectionImplementation {
21			public Class<?> klazz() { return ArrayList.class; }
22	jsr166	1.2	public List emptyCollection() { return new ArrayList(); }
23	dl	1.8	public Object makeElement(int i) { return JSR166TestCase.itemFor(i); }
24	jsr166	1.1	public boolean isConcurrent() { return false; }
25			public boolean permitsNulls() { return true; }
26			}
27	jsr166	1.2	class SubListImplementation extends Implementation {
28			public List emptyCollection() {
29			return super.emptyCollection().subList(0, 0);
30			}
31			}
32	jsr166	1.4	return newTestSuite(
33	jsr166	1.7	ArrayListTest.class,
34	jsr166	1.2	CollectionTest.testSuite(new Implementation()),
35	jsr166	1.4	CollectionTest.testSuite(new SubListImplementation()));
36	jsr166	1.1	}
37
38	jsr166	1.6	/**
39			* A cloned list equals original
40			*/
41			public void testClone() throws Exception {
42	dl	1.8	ArrayList<Item> x = new ArrayList<>();
43			x.add(one);
44			x.add(two);
45			x.add(three);
46			@SuppressWarnings("unchecked")
47			ArrayList<Item> y = (ArrayList<Item>) x.clone();
48	jsr166	1.6
49			assertNotSame(y, x);
50	dl	1.8	mustEqual(x, y);
51			mustEqual(y, x);
52			mustEqual(x.size(), y.size());
53			mustEqual(x.toString(), y.toString());
54	jsr166	1.6	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
55			while (!x.isEmpty()) {
56			assertFalse(y.isEmpty());
57	dl	1.8	mustEqual(x.remove(0), y.remove(0));
58	jsr166	1.6	}
59			assertTrue(y.isEmpty());
60			}
61
62	jsr166	1.1	}