VarargsTest.java
/* *******************************************************************
* Copyright (c) 2004 IBM
* All rights reserved.
* This program and the accompanying materials are made available
* under the terms of the Eclipse Public License v 2.0
* which accompanies this distribution and is available at
* https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt
*
* Contributors:
* Andy Clement - initial implementation
* ******************************************************************/
package org.aspectj.apache.bcel.classfile.tests;
import java.io.File;
import java.io.IOException;
import org.aspectj.apache.bcel.classfile.JavaClass;
import org.aspectj.apache.bcel.classfile.Method;
import org.aspectj.apache.bcel.classfile.annotation.AnnotationGen;
import org.aspectj.apache.bcel.classfile.annotation.NameValuePair;
import org.aspectj.apache.bcel.util.SyntheticRepository;
public class VarargsTest extends BcelTestCase {
protected void setUp() throws Exception {
super.setUp();
}
public void testVarargs() throws ClassNotFoundException {
JavaClass clazz = getClassFromJar("VarargsClass");
checkMarkedVarargs(clazz,"foo",true);
checkMarkedVarargs(clazz,"goo",true);
checkMarkedVarargs(clazz,"hoo",false);
}
public void testVarargsReadWrite() throws ClassNotFoundException,IOException {
JavaClass clazz = getClassFromJar("VarargsClass");
checkMarkedVarargs(clazz,"foo",true);
checkMarkedVarargs(clazz,"goo",true);
checkMarkedVarargs(clazz,"hoo",false);
// Write it out
File tfile = createTestdataFile("VarargsClass.class");
clazz.dump(tfile);
SyntheticRepository repos2 = createRepos(".");
JavaClass clazz2 = repos2.loadClass("VarargsClass");
checkMarkedVarargs(clazz,"foo",true);
checkMarkedVarargs(clazz,"goo",true);
checkMarkedVarargs(clazz,"hoo",false);
assertTrue(tfile.delete());
}
// helper methods
public void checkMarkedVarargs(JavaClass clazz,String methodname,boolean shouldBeMarked) {
Method[] methods = clazz.getMethods();
for (Method m : methods) {
if (m.getName().equals(methodname)) {
assertTrue("Method '" + methodname + "' should answer varargs=" + shouldBeMarked,
m.isVarargs() == shouldBeMarked);
}
}
}
// helper methods
public void checkValue(AnnotationGen a,String name,String tostring) {
for (NameValuePair element : a.getValues()) {
if (element.getNameString().equals(name)) {
if (!element.getValue().stringifyValue().equals(tostring)) {
fail("Expected element " + name + " to have value " + tostring + " but it had value " + element.getValue().stringifyValue());
}
return;
}
}
fail("Didnt find named element "+name);
}
protected void tearDown() throws Exception {
super.tearDown();
}
}