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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.commons.io.input;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.Flushable;
import java.io.InputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import org.apache.commons.lang3.SerializationUtils;
/**
* Tests {@link ClassLoaderObjectInputStream}.
*/
public class ClassLoaderObjectInputStreamTest {
/*
* Note: This test case tests the simplest functionality of ObjectInputStream. IF we really wanted to test
* ClassLoaderObjectInputStream we would probably need to create a transient Class Loader. -TO
*/
private enum E {
A, B, C
}
private static final class Test implements Serializable {
private static final long serialVersionUID = 1L;
private final int i;
private final Object o;
private final E e;
Test(final int i, final Object o) {
this.i = i;
this.e = E.A;
this.o = o;
}
private boolean equalObject(final Object other) {
if (this.o == null) {
return other == null;
}
return o.equals(other);
}
@Override
public boolean equals(final Object other) {
if (other instanceof Test) {
final Test tOther = (Test) other;
return this.i == tOther.i & this.e == tOther.e & equalObject(tOther.o);
}
return false;
}
@Override
public int hashCode() {
return super.hashCode();
}
}
@org.junit.jupiter.api.Test
public void testExpected() throws Exception {
final Boolean input = Boolean.FALSE;
final InputStream bais = new ByteArrayInputStream(SerializationUtils.serialize(input));
try (ClassLoaderObjectInputStream clois = new ClassLoaderObjectInputStream(getClass().getClassLoader(), bais)) {
final Object result = clois.readObject();
assertEquals(input, result);
}
}
@org.junit.jupiter.api.Test
public void testLong() throws Exception {
final Long input = 123L;
final InputStream bais = new ByteArrayInputStream(SerializationUtils.serialize(input));
try (ClassLoaderObjectInputStream clois = new ClassLoaderObjectInputStream(getClass().getClassLoader(), bais)) {
final Object result = clois.readObject();
assertEquals(input, result);
}
}
@org.junit.jupiter.api.Test
public void testObject1() throws Exception {
final Test input = new Test(123, null);
final InputStream bais = new ByteArrayInputStream(SerializationUtils.serialize(input));
try (ClassLoaderObjectInputStream clois = new ClassLoaderObjectInputStream(getClass().getClassLoader(), bais)) {
final Object result = clois.readObject();
assertEquals(input, result);
}
}
@org.junit.jupiter.api.Test
public void testObject2() throws Exception {
final Test input = new Test(123, 0);
final InputStream bais = new ByteArrayInputStream(SerializationUtils.serialize(input));
try (ClassLoaderObjectInputStream clois = new ClassLoaderObjectInputStream(getClass().getClassLoader(), bais)) {
final Object result = clois.readObject();
assertEquals(input, result);
}
}
@org.junit.jupiter.api.Test
public void testPrimitiveLong() throws Exception {
final long input = 12345L;
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
try (final ObjectOutputStream oos = new ObjectOutputStream(baos)) {
oos.writeLong(input);
}
final InputStream bais = new ByteArrayInputStream(baos.toByteArray());
try (ClassLoaderObjectInputStream clois = new ClassLoaderObjectInputStream(getClass().getClassLoader(), bais)) {
final long result = clois.readLong();
assertEquals(input, result);
}
}
@org.junit.jupiter.api.Test
public void testResolveProxyClass() throws Exception {
final InputStream bais = new ByteArrayInputStream(SerializationUtils.serialize(Boolean.FALSE));
try (ClassLoaderObjectInputStream clois = new ClassLoaderObjectInputStream(getClass().getClassLoader(), bais)) {
final String[] interfaces = {Comparable.class.getName()};
final Class<?> result = clois.resolveProxyClass(interfaces);
assertTrue(Comparable.class.isAssignableFrom(result), "Assignable");
}
}
@org.junit.jupiter.api.Test
public void testResolveProxyClassWithMultipleInterfaces() throws Exception {
final InputStream bais = new ByteArrayInputStream(SerializationUtils.serialize(Boolean.FALSE));
try (ClassLoaderObjectInputStream clois = new ClassLoaderObjectInputStream(getClass().getClassLoader(), bais)) {
final String[] interfaces = {Comparable.class.getName(), Serializable.class.getName(), Runnable.class.getName()};
final Class<?> result = clois.resolveProxyClass(interfaces);
assertTrue(Comparable.class.isAssignableFrom(result), "Assignable");
assertTrue(Runnable.class.isAssignableFrom(result), "Assignable");
assertTrue(Serializable.class.isAssignableFrom(result), "Assignable");
assertFalse(Flushable.class.isAssignableFrom(result), "Not Assignable");
}
}
}
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