|
1 package org.springframework.util;
2
3 import java.io.Serializable  ;
4 import java.lang.reflect.InvocationTargetException ;
5 import java.lang.reflect.Method ;
6 import java.lang.reflect.Proxy ;
7 import java.util.Arrays ;
8 import java.util.List ;
9
10 import junit.framework.TestCase;
11
12 import org.springframework.aop.framework.ProxyFactory;
13 import org.springframework.beans.DerivedTestBean;
14 import org.springframework.beans.IOther;
15 import org.springframework.beans.ITestBean;
16 import org.springframework.beans.TestBean;
17
18
23 public class ClassUtilsTests extends TestCase {
24
25 public void setUp() {
26 InnerClass.noArgCalled = false;
27 InnerClass.argCalled = false;
28 InnerClass.overloadedCalled = false;
29 }
30
31 public void testGetShortName() {
32 String className = ClassUtils.getShortName(getClass());
33 assertEquals("Class name did not match", "ClassUtilsTests", className);
34 }
35
36 public void testGetInnerClassShortName() {
37 String className = ClassUtils.getShortName(InnerClass.class);
38 assertEquals("Class name did not match", "ClassUtilsTests.InnerClass", className);
39 }
40
41 public void testGetCglibClassShortName() {
42 TestBean tb = new TestBean();
43 ProxyFactory pf = new ProxyFactory();
44 pf.setTarget(tb);
45 pf.setProxyTargetClass(true);
46 TestBean proxy = (TestBean) pf.getProxy();
47 String className = ClassUtils.getShortName(proxy.getClass());
48 assertEquals("Class name did not match", "TestBean", className);
49 }
50
51 public void testGetShortNameAsProperty() {
52 String shortName = ClassUtils.getShortNameAsProperty(this.getClass());
53 assertEquals("Class name did not match", "classUtilsTests", shortName);
54 }
55
56 public void testCountOverloadedMethods() {
57 assertFalse(ClassUtils.hasAtLeastOneMethodWithName(TestBean.class, "foobar"));
58 assertTrue(ClassUtils.hasAtLeastOneMethodWithName(TestBean.class, "hashCode"));
60 assertTrue(ClassUtils.hasAtLeastOneMethodWithName(TestBean.class, "setAge"));
62 }
63
64 public void testNoArgsStaticMethod() throws IllegalAccessException , InvocationTargetException {
65 Method method = ClassUtils.getStaticMethod(InnerClass.class, "staticMethod", (Class []) null);
66 method.invoke(null, (Object []) null);
67 assertTrue("no argument method was not invoked.",
68 InnerClass.noArgCalled);
69 }
70
71 public void testArgsStaticMethod() throws IllegalAccessException , InvocationTargetException {
72 Method method = ClassUtils.getStaticMethod(InnerClass.class, "argStaticMethod",
73 new Class [] {String .class});
74 method.invoke(null, new Object [] {"test"});
75 assertTrue("argument method was not invoked.", InnerClass.argCalled);
76 }
77
78 public void testOverloadedStaticMethod() throws IllegalAccessException , InvocationTargetException {
79 Method method = ClassUtils.getStaticMethod(InnerClass.class, "staticMethod",
80 new Class [] {String .class});
81 method.invoke(null, new Object [] {"test"});
82 assertTrue("argument method was not invoked.",
83 InnerClass.overloadedCalled);
84 }
85
86 public void testClassPackageAsResourcePath() {
87 String result = ClassUtils.classPackageAsResourcePath(Proxy .class);
88 assertTrue(result.equals("java/lang/reflect"));
89 }
90
91 public void testAddResourcePathToPackagePath() {
92 String result = "java/lang/reflect/xyzabc.xml";
93 assertEquals(result, ClassUtils.addResourcePathToPackagePath(Proxy .class, "xyzabc.xml"));
94 assertEquals(result, ClassUtils.addResourcePathToPackagePath(Proxy .class, "/xyzabc.xml"));
95
96 assertEquals("java/lang/reflect/a/b/c/d.xml",
97 ClassUtils.addResourcePathToPackagePath(Proxy .class, "a/b/c/d.xml"));
98 }
99
100 public void testGetAllInterfaces() {
101 DerivedTestBean testBean = new DerivedTestBean();
102 List ifcs = Arrays.asList(ClassUtils.getAllInterfaces(testBean));
103 assertEquals("Correct number of interfaces", 7, ifcs.size());
104 assertTrue("Contains Serializable", ifcs.contains(Serializable .class));
105 assertTrue("Contains ITestBean", ifcs.contains(ITestBean.class));
106 assertTrue("Contains IOther", ifcs.contains(IOther.class));
107 }
108
109
110 public static class InnerClass {
111
112 static boolean noArgCalled;
113 static boolean argCalled;
114 static boolean overloadedCalled;
115
116 public static void staticMethod() {
117 noArgCalled = true;
118 }
119
120 public static void staticMethod(String anArg) {
121 overloadedCalled = true;
122 }
123
124 public static void argStaticMethod(String anArg) {
125 argCalled = true;
126 }
127 }
128
129 }
130 |
Popular Tags |
Java API By Example, From Geeks To Geeks.