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1
30 package org.jruby.test;
31
32 import java.util.ArrayList  ;
33 import java.util.Iterator ;
34 import java.util.List ;
35
36 import junit.framework.TestCase;
37
38 import org.jruby.Ruby;
39 import org.jruby.RubyString;
40 import org.jruby.runtime.ObjectSpace;
41 import org.jruby.runtime.builtin.IRubyObject;
42
43
46 public class TestObjectSpace extends TestCase {
47
48 private Ruby runtime;
49 private ObjectSpace target;
50
51 public TestObjectSpace(String name) {
52 super(name);
53 }
54
55 public void setUp() throws Exception {
56 super.setUp();
57 runtime = Ruby.getDefaultInstance();
58 target = new ObjectSpace();
59 }
60
61 public void testIdentities() {
62 RubyString o1 = runtime.newString("hey");
63 RubyString o2 = runtime.newString("ho");
64
65 long id1 = target.idOf(o1);
66 long id2 = target.idOf(o2);
67
68 assertEquals("id of normal objects must be even", 0, id1 % 2);
69 assertEquals("id of normal objects must be even", 0, id2 % 2);
70 assertTrue("normal ids must be bigger than reserved values", id1 > 4);
71 assertTrue("normal ids must be bigger than reserved values", id2 > 4);
72
73 assertSame(o1, target.id2ref(id1));
74 assertSame(o2, target.id2ref(id2));
75 assertNull(target.id2ref(4711));
76 }
77
78 public void testObjectSpace() {
79 IRubyObject o1 = runtime.newFixnum(10);
80 IRubyObject o2 = runtime.newFixnum(20);
81 IRubyObject o3 = runtime.newFixnum(30);
82 IRubyObject o4 = runtime.newString("hello");
83
84 target.add(o1);
85 target.add(o2);
86 target.add(o3);
87 target.add(o4);
88
89 List storedFixnums = new ArrayList (3);
90 storedFixnums.add(o1);
91 storedFixnums.add(o2);
92 storedFixnums.add(o3);
93
94 Iterator strings = target.iterator(runtime.getString());
95 assertSame(o4, strings.next());
96 assertNull(strings.next());
97
98 Iterator numerics = target.iterator(runtime.getClass("Numeric"));
99 for (int i = 0; i < 3; i++) {
100 Object item = numerics.next();
101 assertTrue(storedFixnums.contains(item));
102 }
103 assertNull(numerics.next());
104 }
105 }
106 |
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