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/**
* Copyright 2012-2014 Julien Eluard and contributors
* This project includes software developed by Julien Eluard: https://github.com/jeluard/
*
* 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.osjava.jardiff;
import org.junit.Test;
import org.objectweb.asm.Opcodes;
import static org.junit.Assert.*;
public class ToolsTest {
@Test
public void isAccessChange() {
// A class or method or field can't become final.
assertTrue(Tools.isAccessChange(0, Opcodes.ACC_FINAL));
assertTrue(Tools.isAccessChange(0, Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL));
// ... but can become non-final.
assertFalse(Tools.isAccessChange(Opcodes.ACC_FINAL, 0));
assertFalse(Tools.isAccessChange(Opcodes.ACC_FINAL + Opcodes.ACC_PUBLIC, Opcodes.ACC_PUBLIC));
// No matter the final access, can't become protected or private or
// package if it was public.
assertTrue(Tools.isAccessChange(Opcodes.ACC_FINAL + Opcodes.ACC_PUBLIC, 0));
assertTrue(Tools.isAccessChange(Opcodes.ACC_PUBLIC, Opcodes.ACC_PROTECTED));
// A class or method can become concrete.
assertFalse(Tools.isAccessChange(Opcodes.ACC_ABSTRACT, 0));
assertFalse(Tools.isAccessChange(Opcodes.ACC_ABSTRACT + Opcodes.ACC_PUBLIC, Opcodes.ACC_PUBLIC));
assertFalse(Tools.isAccessChange(Opcodes.ACC_ABSTRACT + Opcodes.ACC_PROTECTED, Opcodes.ACC_PROTECTED));
// ...but can't become abstract
assertTrue(Tools.isAccessChange(0, Opcodes.ACC_ABSTRACT));
assertTrue(Tools.isAccessChange(Opcodes.ACC_PUBLIC, Opcodes.ACC_PUBLIC + Opcodes.ACC_ABSTRACT));
assertTrue(Tools.isAccessChange(Opcodes.ACC_PROTECTED, Opcodes.ACC_PROTECTED + Opcodes.ACC_ABSTRACT));
}
}
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