public void testReplaceClassName() throws Exception {
String oldName = "test2.ReplaceClassName2";
String newName = "test2.ReplaceClassName3";
CtClass cc = sloader.get("test2.ReplaceClassName");
cc.replaceClassName(oldName, newName);
cc.writeFile();
CtClass cc2 = dloader.get(cc.getName());
CtMethod m = cc2.getDeclaredMethod("foo");
assertEquals(newName, m.getParameterTypes()[0].getName());
}