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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 java.io.IOException;
import java.io.Reader;
import java.nio.CharBuffer;
import org.junit.jupiter.api.Test;
/**
* Tests {@link ProxyReader}.
*/
public class ProxyReaderTest {
/** Custom NullReader implementation. */
private static class CustomNullReader extends NullReader {
CustomNullReader(final int len) {
super(len);
}
@Override
public int read(final char[] chars) throws IOException {
return chars == null ? 0 : super.read(chars);
}
@Override
public int read(final CharBuffer target) throws IOException {
return target == null ? 0 : super.read(target);
}
}
/** ProxyReader implementation. */
private static class ProxyReaderImpl extends ProxyReader {
ProxyReaderImpl(final Reader proxy) {
super(proxy);
}
}
@Test
public void testNullCharArray() throws Exception {
try (ProxyReader proxy = new ProxyReaderImpl(new CustomNullReader(0))) {
proxy.read((char[]) null);
proxy.read(null, 0, 0);
}
}
@Test
public void testNullCharBuffer() throws Exception {
try (ProxyReader proxy = new ProxyReaderImpl(new CustomNullReader(0))) {
proxy.read((CharBuffer) null);
}
}
}
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