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:	1.9
Committed:	Sun May 29 13:45:35 2011 UTC (12 years, 11 months ago) by jsr166
Branch:	MAIN
Changes since 1.8:	+1 -1 lines
Log Message:	various test case improvements
#	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			* A new SimpleEntry(k, v) holds k, v.
27			*/
28			public void testConstructor1() {
29			Map.Entry e = new AbstractMap.SimpleEntry(k1, v1);
30			assertEquals(k1, e.getKey());
31			assertEquals(v1, e.getValue());
32			}
33
34			/**
35			* A new SimpleImmutableEntry(k, v) holds k, v.
36			*/
37			public void testConstructor2() {
38			Map.Entry s = new AbstractMap.SimpleImmutableEntry(k1, v1);
39			assertEquals(k1, s.getKey());
40			assertEquals(v1, s.getValue());
41			}
42
43			/**
44			* A new SimpleEntry(entry(k, v)) holds k, v.
45			*/
46			public void testConstructor3() {
47			Map.Entry e2 = new AbstractMap.SimpleEntry(k1, v1);
48			Map.Entry e = new AbstractMap.SimpleEntry(e2);
49			assertEquals(k1, e.getKey());
50			assertEquals(v1, e.getValue());
51			}
52
53			/**
54			* A new SimpleImmutableEntry(entry(k, v)) holds k, v.
55			*/
56			public void testConstructor4() {
57			Map.Entry s2 = new AbstractMap.SimpleImmutableEntry(k1, v1);
58			Map.Entry s = new AbstractMap.SimpleImmutableEntry(s2);
59			assertEquals(k1, s.getKey());
60			assertEquals(v1, s.getValue());
61			}
62
63			/**
64			* Entries with same key-value pairs are equal and have same
65			* hashcodes
66			*/
67			public void testEquals() {
68			Map.Entry e2 = new AbstractMap.SimpleEntry(k1, v1);
69			Map.Entry e = new AbstractMap.SimpleEntry(e2);
70			Map.Entry s2 = new AbstractMap.SimpleImmutableEntry(k1, v1);
71			Map.Entry s = new AbstractMap.SimpleImmutableEntry(s2);
72			assertEquals(e2, e);
73			assertEquals(e2.hashCode(), e.hashCode());
74			assertEquals(s2, s);
75			assertEquals(s2.hashCode(), s.hashCode());
76			assertEquals(e2, s2);
77			assertEquals(e2.hashCode(), s2.hashCode());
78			assertEquals(e, s);
79			assertEquals(e.hashCode(), s.hashCode());
80			}
81
82			/**
83			* Entries with different key-value pairs are not equal
84			*/
85			public void testNotEquals() {
86			Map.Entry e2 = new AbstractMap.SimpleEntry(k1, v1);
87			Map.Entry e = new AbstractMap.SimpleEntry(k2, v1);
88	jsr166	1.6	assertFalse(e2.equals(e));
89	dl	1.1	e = new AbstractMap.SimpleEntry(k1, v2);
90	jsr166	1.6	assertFalse(e2.equals(e));
91	dl	1.1	e = new AbstractMap.SimpleEntry(k2, v2);
92	jsr166	1.6	assertFalse(e2.equals(e));
93	dl	1.1
94			Map.Entry s2 = new AbstractMap.SimpleImmutableEntry(k1, v1);
95			Map.Entry s = new AbstractMap.SimpleImmutableEntry(k2, v1);
96	jsr166	1.6	assertFalse(s2.equals(s));
97	dl	1.1	s = new AbstractMap.SimpleImmutableEntry(k1, v2);
98	jsr166	1.6	assertFalse(s2.equals(s));
99	dl	1.1	s = new AbstractMap.SimpleImmutableEntry(k2, v2);
100	jsr166	1.6	assertFalse(s2.equals(s));
101	dl	1.1	}
102
103			/**
104			* getValue returns last setValue for SimpleEntry
105			*/
106			public void testSetValue1() {
107			Map.Entry e2 = new AbstractMap.SimpleEntry(k1, v1);
108			Map.Entry e = new AbstractMap.SimpleEntry(e2);
109			assertEquals(k1, e.getKey());
110			assertEquals(v1, e.getValue());
111			e.setValue(k2);
112			assertEquals(k2, e.getValue());
113	jsr166	1.6	assertFalse(e2.equals(e));
114	dl	1.1	}
115
116			/**
117			* setValue for SimpleImmutableEntry throws UnsupportedOperationException
118			*/
119	jsr166	1.9	public void testSetValue2() {
120	dl	1.1	Map.Entry s2 = new AbstractMap.SimpleImmutableEntry(k1, v1);
121			Map.Entry s = new AbstractMap.SimpleImmutableEntry(s2);
122			assertEquals(k1, s.getKey());
123			assertEquals(v1, s.getValue());
124			try {
125			s.setValue(k2);
126	jsr166	1.4	shouldThrow();
127	dl	1.1	} catch (UnsupportedOperationException success) {}
128			}
129			}