test/tck/EntryTest.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/
 */

import junit.framework.*;
import java.util.*;
import java.util.concurrent.*;
import java.io.*;

public class EntryTest extends JSR166TestCase {
    public static void main(String[] args) {
        junit.textui.TestRunner.run(suite());
    }
    public static Test suite() {
        return new TestSuite(EntryTest.class);
    }

    static final String k1 = "1";
    static final String v1 = "a";
    static final String k2 = "2";
    static final String v2 = "b";


    /**
     * A new SimpleEntry(k, v) holds k, v.
     */
    public void testConstructor1() {
        Map.Entry e = new AbstractMap.SimpleEntry(k1, v1);
        assertEquals(k1, e.getKey());
        assertEquals(v1, e.getValue());
    }

    /**
     * A new SimpleImmutableEntry(k, v) holds k, v.
     */
    public void testConstructor2() {
        Map.Entry s = new AbstractMap.SimpleImmutableEntry(k1, v1);
        assertEquals(k1, s.getKey());
        assertEquals(v1, s.getValue());
    }


    /**
     * A new SimpleEntry(entry(k, v)) holds k, v.
     */
    public void testConstructor3() {
        Map.Entry e2 = new AbstractMap.SimpleEntry(k1, v1);
        Map.Entry e = new AbstractMap.SimpleEntry(e2);
        assertEquals(k1, e.getKey());
        assertEquals(v1, e.getValue());
    }

    /**
     * A new SimpleImmutableEntry(entry(k, v)) holds k, v.
     */
    public void testConstructor4() {
        Map.Entry s2 = new AbstractMap.SimpleImmutableEntry(k1, v1);
        Map.Entry s = new AbstractMap.SimpleImmutableEntry(s2);
        assertEquals(k1, s.getKey());
        assertEquals(v1, s.getValue());
    }

    /**
     * Entries with same key-value pairs are equal and have same
     * hashcodes
     */
    public void testEquals() {
        Map.Entry e2 = new AbstractMap.SimpleEntry(k1, v1);
        Map.Entry e = new AbstractMap.SimpleEntry(e2);
        Map.Entry s2 = new AbstractMap.SimpleImmutableEntry(k1, v1);
        Map.Entry s = new AbstractMap.SimpleImmutableEntry(s2);
        assertEquals(e2, e);
        assertEquals(e2.hashCode(), e.hashCode());
        assertEquals(s2, s);
        assertEquals(s2.hashCode(), s.hashCode());
        assertEquals(e2, s2);
        assertEquals(e2.hashCode(), s2.hashCode());
        assertEquals(e, s);
        assertEquals(e.hashCode(), s.hashCode());
    }

    /**
     * Entries with different key-value pairs are not equal
     */
    public void testNotEquals() {
        Map.Entry e2 = new AbstractMap.SimpleEntry(k1, v1);
        Map.Entry e = new AbstractMap.SimpleEntry(k2, v1);
        assertFalse(e2.equals(e));
        e = new AbstractMap.SimpleEntry(k1, v2);
        assertFalse(e2.equals(e));
        e = new AbstractMap.SimpleEntry(k2, v2);
        assertFalse(e2.equals(e));

        Map.Entry s2 = new AbstractMap.SimpleImmutableEntry(k1, v1);
        Map.Entry s = new AbstractMap.SimpleImmutableEntry(k2, v1);
        assertFalse(s2.equals(s));
        s = new AbstractMap.SimpleImmutableEntry(k1, v2);
        assertFalse(s2.equals(s));
        s = new AbstractMap.SimpleImmutableEntry(k2, v2);
        assertFalse(s2.equals(s));
    }


    /**
     * getValue returns last setValue for SimpleEntry
     */
    public void testSetValue1() {
        Map.Entry e2 = new AbstractMap.SimpleEntry(k1, v1);
        Map.Entry e = new AbstractMap.SimpleEntry(e2);
        assertEquals(k1, e.getKey());
        assertEquals(v1, e.getValue());
        e.setValue(k2);
        assertEquals(k2, e.getValue());
        assertFalse(e2.equals(e));
    }

    /**
     * setValue for SimpleImmutableEntry throws UnsupportedOperationException
     */
    public void testsetValue2() {
        Map.Entry s2 = new AbstractMap.SimpleImmutableEntry(k1, v1);
        Map.Entry s = new AbstractMap.SimpleImmutableEntry(s2);
        assertEquals(k1, s.getKey());
        assertEquals(v1, s.getValue());
        try {
            s.setValue(k2);
            shouldThrow();
        } catch (UnsupportedOperationException success) {}
    }
}
Revision:	1.7
Committed:	Tue Mar 15 19:47:06 2011 UTC (13 years, 1 month ago) by jsr166
Branch:	MAIN
CVS Tags:	release-1_7_0
Changes since 1.6:	+1 -1 lines
Log Message:	Update Creative Commons license URL in legal notices
#	User	Rev	Content
1	dl	1.1	/*
2			* 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	1.7	* http://creativecommons.org/publicdomain/zero/1.0/
5	dl	1.1	*/
6
7			import junit.framework.*;
8			import java.util.*;
9			import java.util.concurrent.*;
10			import java.io.*;
11
12			public class EntryTest extends JSR166TestCase {
13			public static void main(String[] args) {
14	jsr166	1.5	junit.textui.TestRunner.run(suite());
15	dl	1.1	}
16			public static Test suite() {
17	jsr166	1.3	return new TestSuite(EntryTest.class);
18	dl	1.1	}
19
20			static final String k1 = "1";
21			static final String v1 = "a";
22			static final String k2 = "2";
23			static final String v2 = "b";
24
25
26			/**
27			* A new SimpleEntry(k, v) holds k, v.
28			*/
29			public void testConstructor1() {
30			Map.Entry e = new AbstractMap.SimpleEntry(k1, v1);
31			assertEquals(k1, e.getKey());
32			assertEquals(v1, e.getValue());
33			}
34
35			/**
36			* A new SimpleImmutableEntry(k, v) holds k, v.
37			*/
38			public void testConstructor2() {
39			Map.Entry s = new AbstractMap.SimpleImmutableEntry(k1, v1);
40			assertEquals(k1, s.getKey());
41			assertEquals(v1, s.getValue());
42			}
43
44
45			/**
46			* A new SimpleEntry(entry(k, v)) holds k, v.
47			*/
48			public void testConstructor3() {
49			Map.Entry e2 = new AbstractMap.SimpleEntry(k1, v1);
50			Map.Entry e = new AbstractMap.SimpleEntry(e2);
51			assertEquals(k1, e.getKey());
52			assertEquals(v1, e.getValue());
53			}
54
55			/**
56			* A new SimpleImmutableEntry(entry(k, v)) holds k, v.
57			*/
58			public void testConstructor4() {
59			Map.Entry s2 = new AbstractMap.SimpleImmutableEntry(k1, v1);
60			Map.Entry s = new AbstractMap.SimpleImmutableEntry(s2);
61			assertEquals(k1, s.getKey());
62			assertEquals(v1, s.getValue());
63			}
64
65			/**
66			* Entries with same key-value pairs are equal and have same
67			* hashcodes
68			*/
69			public void testEquals() {
70			Map.Entry e2 = new AbstractMap.SimpleEntry(k1, v1);
71			Map.Entry e = new AbstractMap.SimpleEntry(e2);
72			Map.Entry s2 = new AbstractMap.SimpleImmutableEntry(k1, v1);
73			Map.Entry s = new AbstractMap.SimpleImmutableEntry(s2);
74			assertEquals(e2, e);
75			assertEquals(e2.hashCode(), e.hashCode());
76			assertEquals(s2, s);
77			assertEquals(s2.hashCode(), s.hashCode());
78			assertEquals(e2, s2);
79			assertEquals(e2.hashCode(), s2.hashCode());
80			assertEquals(e, s);
81			assertEquals(e.hashCode(), s.hashCode());
82			}
83
84			/**
85			* Entries with different key-value pairs are not equal
86			*/
87			public void testNotEquals() {
88			Map.Entry e2 = new AbstractMap.SimpleEntry(k1, v1);
89			Map.Entry e = new AbstractMap.SimpleEntry(k2, v1);
90	jsr166	1.6	assertFalse(e2.equals(e));
91	dl	1.1	e = new AbstractMap.SimpleEntry(k1, v2);
92	jsr166	1.6	assertFalse(e2.equals(e));
93	dl	1.1	e = new AbstractMap.SimpleEntry(k2, v2);
94	jsr166	1.6	assertFalse(e2.equals(e));
95	dl	1.1
96			Map.Entry s2 = new AbstractMap.SimpleImmutableEntry(k1, v1);
97			Map.Entry s = new AbstractMap.SimpleImmutableEntry(k2, v1);
98	jsr166	1.6	assertFalse(s2.equals(s));
99	dl	1.1	s = new AbstractMap.SimpleImmutableEntry(k1, v2);
100	jsr166	1.6	assertFalse(s2.equals(s));
101	dl	1.1	s = new AbstractMap.SimpleImmutableEntry(k2, v2);
102	jsr166	1.6	assertFalse(s2.equals(s));
103	dl	1.1	}
104
105
106			/**
107			* getValue returns last setValue for SimpleEntry
108			*/
109			public void testSetValue1() {
110			Map.Entry e2 = new AbstractMap.SimpleEntry(k1, v1);
111			Map.Entry e = new AbstractMap.SimpleEntry(e2);
112			assertEquals(k1, e.getKey());
113			assertEquals(v1, e.getValue());
114			e.setValue(k2);
115			assertEquals(k2, e.getValue());
116	jsr166	1.6	assertFalse(e2.equals(e));
117	dl	1.1	}
118
119			/**
120			* setValue for SimpleImmutableEntry throws UnsupportedOperationException
121			*/
122			public void testsetValue2() {
123			Map.Entry s2 = new AbstractMap.SimpleImmutableEntry(k1, v1);
124			Map.Entry s = new AbstractMap.SimpleImmutableEntry(s2);
125			assertEquals(k1, s.getKey());
126			assertEquals(v1, s.getValue());
127			try {
128			s.setValue(k2);
129	jsr166	1.4	shouldThrow();
130	dl	1.1	} catch (UnsupportedOperationException success) {}
131			}
132			}