TestCaseClassLoaderTest


1   package junit.tests;
2   
3   import java.lang.reflect.*;
4   import junit.framework.*;
5   import junit.runner.*;
6   import java.net.URL  ;
7   
8   /**
9    * A TestCase for testing the TestCaseClassLoader
10   *
11   */ 
12  public class TestCaseClassLoaderTest extends TestCase {
13  
14      public TestCaseClassLoaderTest(String   name) {
15          super(name);
16      }
17      public void testClassLoading() throws Exception   {
18          TestCaseClassLoader loader= new TestCaseClassLoader();
19          Class   loadedClass= loader.loadClass("junit.tests.ClassLoaderTest", true);
20          Object   o= loadedClass.newInstance();            
21          //
22          // Invoke the assertClassLoaders method via reflection.
23          // We use reflection since the class is loaded by
24          // another class loader and we can't do a successfull downcast to
25          // ClassLoaderTestCase.
26          // 
27          Method method= loadedClass.getDeclaredMethod("verify", new Class  [0]);
28          method.invoke(o, new Class  [0]);
29      }
30  
31      public void testJarClassLoading() throws Exception   {
32          URL   url= getClass().getResource("test.jar");
33          String   path= url.getFile();
34          TestCaseClassLoader loader= new TestCaseClassLoader(path);
35          Class   loadedClass= loader.loadClass("junit.tests.LoadedFromJar", true);
36          Object   o= loadedClass.newInstance();            
37          //
38          // Invoke the assertClassLoaders method via reflection.
39          // We use reflection since the class is loaded by
40          // another class loader and we can't do a successfull downcast to
41          // ClassLoaderTestCase.
42          // 
43          Method method= loadedClass.getDeclaredMethod("verify", new Class  [0]);
44          method.invoke(o, new Class  [0]);
45      }
46  }
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