01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17:
18: /**
19: * @author Evgueni V. Brevnov, Roman S. Bushmanov
20: * @version $Revision$
21: */package java.lang;
22:
23: import junit.framework.TestCase;
24:
25: /**
26: * tested class: java.lang.Class
27: * tested method: getComponentType
28: */
29: public class ClassTestGetComponentType extends TestCase {
30:
31: /**
32: * if class is not an array than null value must be returned
33: *
34: */
35: public void test1() {
36: assertNull(Class.class.getComponentType());
37: }
38:
39: /**
40: * checks component type for array of the primitive types
41: *
42: */
43: public void test2() {
44: Class c = new int[0].getClass();
45: assertSame(Integer.TYPE, c.getComponentType());
46: }
47:
48: /**
49: * checks component type for array of the reference types
50: *
51: */
52: public void test3() {
53: Class c = new Object[0].getClass();
54: assertSame(Object.class, c.getComponentType());
55: }
56:
57: /**
58: * the component of multidimensional array is an array which has one
59: * dimensional less.
60: *
61: */
62: public void test4() {
63: try {
64: Class c = new int[0][0].getClass();
65: assertSame(Class.forName("[I"), c.getComponentType());
66: } catch (Exception e) {
67: fail(e.toString());
68: }
69: }
70: }
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