/*
* Copyright 2004-2006 the original author or authors.
*
* 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 org.compass.core.util;
import java.io.Reader;
import java.io.StringReader;
import junit.framework.TestCase;
import org.compass.core.util.reader.MultiIOReader;
/**
* @author kimchy
*/
public class MultiReaderTests extends TestCase {
public void testRead() throws Exception {
Reader[] readers = new Reader[] { new StringReader("01234"), new StringReader("5678"), new StringReader("9") };
Reader r = new MultiIOReader(readers);
for (int i = 0; i < 10; i++) {
assertEquals(i + 48, r.read());
}
assertEquals(-1, r.read());
readers = new Reader[] { new StringReader("0"), new StringReader("1"), new StringReader("2"),
new StringReader("3"), new StringReader("4"), new StringReader("5"), new StringReader("6"),
new StringReader("7") };
r = new MultiIOReader(readers);
for (int i = 0; i < 8; i++) {
assertEquals(i + 48, r.read());
}
assertEquals(-1, r.read());
readers = new Reader[] { new StringReader("01234"), new StringReader(""), null, new StringReader("") };
r = new MultiIOReader(readers);
for (int i = 0; i < 5; i++) {
assertEquals(i + 48, r.read());
}
assertEquals(-1, r.read());
}
public void testReadBuffer() throws Exception {
Reader[] readers = new Reader[] { new StringReader("01234"), new StringReader("5678"), new StringReader("9") };
Reader r = new MultiIOReader(readers);
char[] buffer = new char[3];
int found = 0;
int index = 0;
while (found != -1) {
found = r.read(buffer);
for (int i = 0; i < found; i++) {
assertEquals(index + 48, buffer[i]);
index++;
}
}
}
}
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