diff --git a/src/test/org/apache/commons/logging/pathable/GeneralTestCase.java b/src/test/org/apache/commons/logging/pathable/GeneralTestCase.java new file mode 100644 index 0000000..1cb0090 --- /dev/null +++ b/src/test/org/apache/commons/logging/pathable/GeneralTestCase.java @@ -0,0 +1,86 @@ +/* + * Copyright 2005 The Apache Software Foundation. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.commons.logging.pathable; + +import java.net.URL; +import java.util.Enumeration; +import java.util.ArrayList; +import java.net.URLClassLoader; + +import junit.framework.Test; +import junit.framework.TestCase; +import junit.framework.TestSuite; + +import org.apache.commons.logging.PathableTestSuite; +import org.apache.commons.logging.PathableClassLoader; + +/** + * Tests for the PathableTestSuite class. + */ + +public class GeneralTestCase extends TestCase { + + /** + * Set up a custom classloader hierarchy for this test case. + */ + public static Test suite() throws Exception { + Class thisClass = GeneralTestCase.class; + ClassLoader thisClassLoader = thisClass.getClassLoader(); + + PathableClassLoader loader = new PathableClassLoader(null); + loader.useExplicitLoader("junit.", thisClassLoader); + loader.addLogicalLib("testclasses"); + + // reload this class via the child classloader + Class testClass = loader.loadClass(thisClass.getName()); + + // and return our custom TestSuite class + return new PathableTestSuite(testClass, loader); + } + + /** + * Verify that a certain system property is not set, then set it. + */ + private static void checkAndSetProperties() { + String prop = System.getProperty("no.such.property"); + assertNull("no.such.property is unexpectedly defined", prop); + System.setProperty("no.such.property", "dummy value"); + prop = System.getProperty("no.such.property"); + assertNotNull("no.such.property is unexpectedly undefined", prop); + } + + /** + * Verify that when a test method modifies the system properties they are + * reset before the next test is run. + *
+ * This method works in conjunction with testResetProps2. There is no + * way of knowing which test method junit will run first, but it doesn't + * matter; whichever one of them runs first will modify the system properties. + * If the PathableTestSuite isn't resetting the system properties then whichever + * of them runs second will fail. Of course if other methods are run in-between + * then those methods might also fail... + */ + public void testResetProps1() { + checkAndSetProperties(); + } + + /** + * See testResetProps1. + */ + public void testResetProps2() { + checkAndSetProperties(); + } +}