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/*
* Copyright (C) 2008 The Android Open Source Project
*
* 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 android.test.suitebuilder;
import junit.framework.TestCase;
import java.lang.reflect.Method;
public class AssignableFromTest extends TestCase {
private AssignableFrom assignableFrom;
protected void setUp() throws Exception {
super.setUp();
assignableFrom = new AssignableFrom(Animal.class);
}
public void testSelfIsAssignable() throws Exception {
assertTrue(assignableFrom.apply(testMethodFor(Animal.class)));
}
public void testSubclassesAreAssignable() throws Exception {
assertTrue(assignableFrom.apply(testMethodFor(Mammal.class)));
assertTrue(assignableFrom.apply(testMethodFor(Human.class)));
}
public void testNotAssignable() throws Exception {
assertFalse(assignableFrom.apply(testMethodFor(Pencil.class)));
}
public void testImplementorsAreAssignable() throws Exception {
assignableFrom = new AssignableFrom(WritingInstrument.class);
assertTrue(assignableFrom.apply(testMethodFor(Pencil.class)));
assertTrue(assignableFrom.apply(testMethodFor(Pen.class)));
}
private TestMethod testMethodFor(Class<? extends TestCase> aClass)
throws NoSuchMethodException {
Method method = aClass.getMethod("testX");
return new TestMethod(method, aClass);
}
private class Animal extends TestCase {
public void testX() {
}
}
private class Mammal extends Animal {
public void testX() {
}
}
private class Human extends Mammal {
public void testX() {
}
}
private interface WritingInstrument {
}
private class Pencil extends TestCase implements WritingInstrument {
public void testX() {
}
}
private class Pen extends TestCase implements WritingInstrument {
public void testX() {
}
}
}
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