TestCaseClassLoaderTest


1   package junit.tests.runner;
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 void testClassLoading() throws Exception   {
15          TestCaseClassLoader loader= new TestCaseClassLoader();
16          Class   loadedClass= loader.loadClass("junit.tests.runner.ClassLoaderTest", true);
17          Object   o= loadedClass.newInstance();
18          //
19          // Invoke the assertClassLoaders method via reflection.
20          // We use reflection since the class is loaded by
21          // another class loader and we can't do a successfull downcast to
22          // ClassLoaderTestCase.
23          //
24          Method method= loadedClass.getDeclaredMethod("verify", new Class  [0]);
25          method.invoke(o, new Class  [0]);
26      }
27  
28      public void testJarClassLoading() throws Exception   {
29          URL   url= getClass().getResource("test.jar");
30          assertNotNull("Cannot find test.jar", url);
31          String   path= url.getFile();
32          TestCaseClassLoader loader= new TestCaseClassLoader(path);
33          Class   loadedClass= loader.loadClass("junit.tests.runner.LoadedFromJar", true);
34          Object   o= loadedClass.newInstance();
35          //
36          // Invoke the assertClassLoaders method via reflection.
37          // We use reflection since the class is loaded by
38          // another class loader and we can't do a successfull downcast to
39          // ClassLoaderTestCase.
40          //
41          Method method= loadedClass.getDeclaredMethod("verify", new Class  [0]);
42          method.invoke(o, new Class  [0]);
43      }
44  }
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