/*
* Copyright 2008-2009 LinkedIn, Inc
*
* 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 voldemort.utils;
import junit.framework.TestCase;
public class ReflectUtilsTest extends TestCase {
public void testLoadClass() {
assertEquals(String.class, ReflectUtils.loadClass(String.class.getName()));
try {
ReflectUtils.loadClass("not a class name");
fail("Loading of bad class name allowed.");
} catch(IllegalArgumentException e) {
// this is good
}
}
public void testCallMethod() {
assertEquals("abcd", ReflectUtils.callMethod("ABCD",
String.class,
"toLowerCase",
new Class<?>[0],
new Object[0]));
assertEquals('B', ReflectUtils.callMethod("ABCD",
String.class,
"charAt",
new Class<?>[] { int.class },
new Object[] { 1 }));
try {
ReflectUtils.callMethod("ABCD",
String.class,
"nonExistantMethod",
new Class<?>[0],
new Object[0]);
fail("Called non-existant method");
} catch(IllegalArgumentException e) {
// this is good
}
}
public void testCallConstructor() {
StringBuilder builder = new StringBuilder("hello");
assertEquals(new String(builder),
ReflectUtils.callConstructor(String.class,
new Class<?>[] { StringBuilder.class },
new Object[] { builder }));
}
public void testConstruct() {
String str = "hello";
String str2 = ReflectUtils.callConstructor(String.class, new Object[] { str });
assertEquals(str, str2);
}
}