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33
34 package edu.rice.cs.util.classloader;
35
36 import edu.rice.cs.drjava.DrJavaTestCase;
37
38 import java.net.URL JavaDoc;
39
40 /**
41  * Test cases for {@link StrictURLClassLoader}.
42  *
43  * @version $Id: StrictURLClassLoaderTest.java 3553 2006-02-20 21:22:09Z rcartwright $
44  */
45 public class StrictURLClassLoaderTest extends DrJavaTestCase {
46   /**
47    * Make sure this loader doesn't load classes from the system
48    * classloader.
49    */
50   public void testWontLoadFromSystem() throws Throwable JavaDoc {
51     StrictURLClassLoader loader = new StrictURLClassLoader(new URL JavaDoc[0]);
52     String JavaDoc myName = getClass().getName();
53
54     try {
55       loader.loadClass(myName);
56       fail("should not have loaded class");
57     }
58     catch (ClassNotFoundException JavaDoc e) {
59       // yep, we expected it to fail
60 }
61   }
62
63   /** Make sure this loader doesn't load resources from the bootclasspath. */
64   public void testWontLoadResourceFromBootClassPath() throws Throwable JavaDoc {
65     StrictURLClassLoader loader = new StrictURLClassLoader(new URL JavaDoc[0]);
66     String JavaDoc compiler = "com/sun/tools/javac/util/Log.class";
67
68     URL JavaDoc resource = loader.getResource(compiler);
69     assertTrue("should not have found resource", resource == null);
70   }
71
72   /** Make sure this loader can load from the given URLs. */
73   public void testWillLoadClassFromGivenURLs() throws Throwable JavaDoc {
74     String JavaDoc logResource = "com/sun/tools/javac/Main.class";
75     String JavaDoc compilerClass = "com.sun.tools.javac.Main";
76     URL JavaDoc[] urls = ToolsJarClassLoader.getToolsJarURLs();
77
78     if (urls.length > 0) {
79       //System.out.println("testing urls");
80 StrictURLClassLoader loader = new StrictURLClassLoader(urls);
81
82       Class JavaDoc c = loader.loadClass(compilerClass);
83       assertEquals("loaded class", compilerClass, c.getName());
84
85     
86       URL JavaDoc resource = loader.getResource(logResource);
87       assertTrue("resource found", resource != null);
88     }
89   }
90 }
91
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