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1
8
9 package net.sourceforge.chaperon.test;
10
11 import junit.framework.Test;
12 import junit.framework.TestCase;
13 import junit.framework.TestSuite;
14
15 import net.sourceforge.chaperon.build.EmptyList;
16 import net.sourceforge.chaperon.model.symbol.Nonterminal;
17 import net.sourceforge.chaperon.model.symbol.Terminal;
18
19 public class SymbolTestCase extends TestCase
20 {
21 public SymbolTestCase()
22 {
23 super("SymbolTestCase");
24 }
25
26 public static void assertNotEquals(String  message, Object a, Object b)
27 {
28 if ((a==null) || (a==null))
29 return;
30
31 if (a.equals(b))
32 {
33 String formatted = "";
34 if (message!=null)
35 formatted = message+" ";
36
37 fail(formatted+"<"+a+"> equals <"+b+">");
38 }
39 }
40
41 public void runTest() throws Throwable
42 {
43 Terminal a = new Terminal("a");
45 Terminal b = new Terminal("b");
46
47 assertEquals("Test if symbol names are equal", "a", a.getName());
48 assertEquals("Test if symbol names are equal", "b", b.getName());
49
50 assertEquals("Test if symbols are equal", a, a);
51 assertNotEquals("Test if symbols are not equal", a, b);
52 assertEquals("Test if hashcodes are equals", a.hashCode(), a.hashCode());
53
54 Terminal a2 = new Terminal("a");
55
56 assertEquals("Test if symbols are equal", a, a2);
57 assertNotEquals("Test if symbols are not equal", a2, b);
58 assertEquals("Test if hashcodes are equals", a.hashCode(), a2.hashCode());
59 assertTrue("Test if hashcodes are no equal", a2.hashCode()!=b.hashCode());
60
61 Nonterminal A = new Nonterminal("A");
63 Nonterminal B = new Nonterminal("B");
64
65 assertEquals("Test if symbol names are equal", "A", A.getName());
66 assertEquals("Test if symbol names are equal", "B", B.getName());
67
68 assertEquals("Test if symbols are equal", A, A);
69 assertNotEquals("Test if symbols are not equal", A, B);
70 assertEquals("Test if hashcodes are equals", A.hashCode(), A.hashCode());
71
72 Nonterminal A2 = new Nonterminal("A");
73
74 assertEquals("Test if symbols are equal", A, A2);
75 assertNotEquals("Test if symbols are not equal", A2, B);
76 assertEquals("Test if hashcodes are equal", A.hashCode(), A2.hashCode());
77 assertTrue("Test if hashcodes are no equal", A2.hashCode()!=B.hashCode());
78
79 EmptyList emptylist = new EmptyList();
81 EmptyList emptylist2 = new EmptyList();
82
83 assertEquals("Test if symbols are equal", emptylist, emptylist);
84 assertEquals("Test if symbols are equal", emptylist, emptylist2);
85
86 Terminal a3 = new Terminal("A");
88 Nonterminal A3 = new Nonterminal("a");
89
90 assertNotEquals("Test if symbols are not equal", a3, A);
91 assertNotEquals("Test if symbols are not equal", a, A3);
92 assertNotEquals("Test if symbols are not equal", a, emptylist);
93 assertNotEquals("Test if symbols are not equal", A, emptylist);
94 assertTrue("Test if hashcodes are no equal", a.hashCode()!=emptylist.hashCode());
95 assertTrue("Test if hashcodes are no equal", A.hashCode()!=emptylist.hashCode());
96
97 try
98 {
99 Terminal a4 = new Terminal(null);
100 fail("Test if exception occurs");
101 }
102 catch (Exception e) {}
103
104 try
105 {
106 Nonterminal A4 = new Nonterminal(null);
107 fail("Test if exception occurs");
108 }
109 catch (Exception e) {}
110
111 try
112 {
113 Terminal a4 = new Terminal("");
114 fail("Test if exception occurs");
115 }
116 catch (Exception e) {}
117
118 try
119 {
120 Nonterminal A4 = new Nonterminal("");
121 fail("Test if exception occurs");
122 }
123 catch (Exception e) {}
124 }
125
126 public static Test suite()
127 {
128 TestSuite suite = new TestSuite("Symbol tests");
129 suite.addTest(new SymbolTestCase());
130 return suite;
131 }
132 }
133 |
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