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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.mockito.Mockito.never;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;
import java.io.IOException;
import java.io.Reader;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
/**
* JUnit Test Case for {@link CloseShieldReader}.
*/
public class CloseShieldReaderTest {
private String data;
private Reader original;
private Reader shielded;
@BeforeEach
public void setUp() {
data = "xyz";
original = spy(new CharSequenceReader(data));
shielded = CloseShieldReader.wrap(original);
}
@Test
public void testClose() throws IOException {
shielded.close();
verify(original, never()).close();
final char[] cbuf = new char[10];
assertEquals(-1, shielded.read(cbuf, 0, 10), "read(cbuf, off, len)");
assertEquals(data.length(), original.read(cbuf, 0, 10), "read(cbuf, off, len)");
assertEquals(data, new String(cbuf, 0, data.length()));
}
}
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