/*
* Copyright 2011, Stuart Douglas
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package a.org.fakereplace.test.replacement.constructor;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.ParameterizedType;
import java.util.List;
import java.util.Set;
import a.org.fakereplace.test.replacement.constructor.other.Creator;
import a.org.fakereplace.test.util.ClassReplacer;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
public class ConstructorTest {
@BeforeClass
public static void setup() {
ClassReplacer rep = new ClassReplacer();
rep.queueClassForReplacement(ConstructorClass.class, ConstructorClass1.class);
rep.queueClassForReplacement(ConstructorCallingClass.class, ConstructorCallingClass1.class);
rep.replaceQueuedClasses();
}
@Test
public void testConstructor() {
Assert.assertEquals("b", ConstructorCallingClass.getInstance().getValue());
}
@Test
public void testGetDeclaredConstructors() throws SecurityException, NoSuchMethodException, IllegalArgumentException, InstantiationException, IllegalAccessException, InvocationTargetException {
boolean c1 = false, c2 = false;
for (Constructor<?> c : ConstructorClass.class.getDeclaredConstructors()) {
if (c.getParameterTypes().length == 1) {
if (c.getParameterTypes()[0] == List.class) {
c1 = true;
} else if (c.getParameterTypes()[0] == String.class) {
c2 = true;
}
}
}
Assert.assertTrue(c1);
Assert.assertTrue(c2);
}
@Test
public void testGetConstructors() throws SecurityException, NoSuchMethodException, IllegalArgumentException, InstantiationException, IllegalAccessException, InvocationTargetException {
boolean c1 = false, c2 = false;
for (Constructor<?> c : ConstructorClass.class.getConstructors()) {
if (c.getParameterTypes().length == 1) {
if (c.getParameterTypes()[0] == List.class) {
c1 = true;
} else if (c.getParameterTypes()[0] == String.class) {
c2 = true;
}
}
}
Assert.assertFalse(c1);
Assert.assertTrue(c2);
}
@Test
public void testConstructorByReflection() throws SecurityException, NoSuchMethodException, IllegalArgumentException, InstantiationException, IllegalAccessException, InvocationTargetException {
Class<?> c = ConstructorClass.class;
Constructor<?> con = c.getDeclaredConstructor(List.class);
con.setAccessible(true);
ConstructorClass inst = (ConstructorClass) con.newInstance(null, null);
Assert.assertEquals("h", inst.getValue());
}
@Test(expected = IllegalAccessException.class)
public void testConstructorByReflectionWithException() throws SecurityException, NoSuchMethodException, IllegalArgumentException, InstantiationException, IllegalAccessException, InvocationTargetException {
Class<?> c = ConstructorClass.class;
Constructor<?> con = c.getDeclaredConstructor(Set.class);
ConstructorClass inst = (ConstructorClass) con.newInstance(null, null);
}
@Test
public void testVirtualConstrcutorGenericParameterTypeByReflection() throws SecurityException, NoSuchMethodException, IllegalArgumentException, IllegalAccessException, InvocationTargetException {
Class<?> c = ConstructorClass.class;
Constructor<?> con = c.getDeclaredConstructor(List.class);
Assert.assertEquals(String.class, ((ParameterizedType) con.getGenericParameterTypes()[0]).getActualTypeArguments()[0]);
}
@Test
public void testPackagePrivateConstructor() throws SecurityException, IllegalArgumentException, NoSuchMethodException, InstantiationException, IllegalAccessException, InvocationTargetException {
Creator c = new Creator();
c.doStuff();
}
}