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1
34
35 package groovy.lang;
36
37 import groovy.util.GroovyTestCase;
38
39 import java.util.ArrayList  ;
40
41 import org.codehaus.groovy.runtime.InvokerHelper;
42
43
47 public class MetaClassTest extends GroovyTestCase {
48
49 public void testMetaClass() {
50 Class foo = String [].class;
51 System.out.println(foo + " name: " + foo.getName());
52
53 MetaClass metaClass = InvokerHelper.getMetaClass(this);
54
55 assertTrue("got metaclass", metaClass != null);
56
57 metaClass.invokeMethod(this, "doSomething", new Object [0]);
58 }
59
60 public void testArray() {
61 String [] value = new String [] { "hello" };
62
63 MetaClass metaClass = InvokerHelper.getMetaClass(value);
64
65 assertTrue("got metaclass", metaClass != null);
66
67 metaClass.invokeMethod(value, "toString", new Object [0]);
68 }
69
70 public void testString() {
71 String value = "hello";
72
73 MetaClass metaClass = InvokerHelper.getMetaClass(value);
74
75 assertTrue("got metaclass", metaClass != null);
76
77 Object answer = metaClass.invokeMethod(value, "toString", new Object [0]);
78
79 assertEquals("hello", answer);
80 }
81
82 public void testObject() {
83 Object value = new Object ();
84
85 MetaClass metaClass = InvokerHelper.getMetaClass(value);
86
87 assertTrue("got metaclass", metaClass != null);
88
89 metaClass.invokeMethod(value, "toString", new Object [0]);
90 }
91
92 public void testPublicField() {
93 DymmyClass dymmyClass = new DymmyClass();
94
95 MetaClass metaClass = InvokerHelper.getMetaClass(dymmyClass);
96
97 assertEquals(metaClass.getProperty(dymmyClass, "x"), new Integer (0));
98 assertEquals(metaClass.getProperty(dymmyClass, "y"), "none");
99
100 metaClass.setProperty(dymmyClass, "x", new Integer (25));
101 assertEquals(dymmyClass.x, 25);
102
103 metaClass.setProperty(dymmyClass, "y", "newvalue");
104 assertEquals(dymmyClass.y, "newvalue");
105 }
106
107 public void testSetPropertyWithInt() {
108 DymmyClass dymmyClass = new DymmyClass();
109 MetaClass metaClass = InvokerHelper.getMetaClass(dymmyClass);
110 metaClass.setProperty(dymmyClass, "anInt", new Integer (10));
111 }
112
113 public void testSetPropertyWithDoubleArray() {
114 DymmyClass dymmyClass = new DymmyClass();
115 MetaClass metaClass = InvokerHelper.getMetaClass(dymmyClass);
116 Double [][] matrix2 =
117 {
118 {
119 new Double (35), new Double (50), new Double (120)
120 },
121 {
122 new Double (75), new Double (80), new Double (150)
123 }
124 };
125 metaClass.setProperty(dymmyClass, "matrix", matrix2);
126 metaClass.setProperty(dymmyClass, "matrix2", matrix2);
127 }
128
129 public void testSetPropertyWithArray() {
130 DymmyClass dymmyClass = new DymmyClass();
131 MetaClass metaClass = InvokerHelper.getMetaClass(dymmyClass);
132
133 int[] ints = new int[]{
135 0, 1, 2, 3
136 };
137 metaClass.setProperty(dymmyClass, "ints", ints);
138 assertEquals(ints, metaClass.getProperty(dymmyClass, "ints"));
139
140 Integer [] integers = new Integer []{
142 new Integer (0), new Integer (1), new Integer (2), new Integer (3)
143 };
144 metaClass.setProperty(dymmyClass, "integers", integers);
145 assertEquals(integers, metaClass.getProperty(dymmyClass, "integers"));
146 }
147
148 public void testSetPropertyWithList() {
149 DymmyClass dymmyClass = new DymmyClass();
150 MetaClass metaClass = InvokerHelper.getMetaClass(dymmyClass);
151
152 ArrayList list = new ArrayList ();
154 list.add(new Integer (120));
155 list.add(new Integer (150));
156
157 metaClass.setProperty(dymmyClass, "ints", list);
159
160 metaClass.setProperty(dymmyClass, "integers", list);
162 }
163
164 public void doSomething() {
165 System.out.println("Called doSomething()");
166 }
167 }
168
169
170 class DymmyClass {
171 public int x = 0;
172 public String y = "none";
173
174 private int anInt;
175 private int[] ints;
176 private Integer [] integers;
177 double[][] matrix2;
178 Double [][] matrix;
179
180 public Integer [] getIntegers() {
181 return integers;
182 }
183
184 public void setIntegers(Integer [] integers) {
185 this.integers = integers;
186 }
187
188 public int[] getInts() {
189 return ints;
190 }
191
192 public void setInts(int[] ints) {
193 this.ints = ints;
194 }
195
196 public int getAnInt() {
197 return anInt;
198 }
199
200 public void setAnInt(int anInt) {
201 this.anInt = anInt;
202 }
203
204 public void setMatrix(Double [][] matrix) {
205 this.matrix = matrix;
206 }
207
208 public void setMatrix2(double[][] matrixReloaded) {
209 this.matrix2 = matrixReloaded;
210 }
211
212 }
213
214 |
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