/*
* 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.lucene.analysis;
import java.nio.CharBuffer;
import org.apache.lucene.util.LuceneTestCase;
public class TestReusableStringReader extends LuceneTestCase {
public void test() throws Exception {
ReusableStringReader reader = new ReusableStringReader();
assertEquals(-1, reader.read());
assertEquals(-1, reader.read(new char[1]));
assertEquals(-1, reader.read(new char[2], 1, 1));
assertEquals(-1, reader.read(CharBuffer.wrap(new char[2])));
reader.setValue("foobar");
char[] buf = new char[4];
assertEquals(4, reader.read(buf));
assertEquals("foob", new String(buf));
assertEquals(2, reader.read(buf));
assertEquals("ar", new String(buf, 0, 2));
assertEquals(-1, reader.read(buf));
reader.close();
reader.setValue("foobar");
assertEquals(0, reader.read(buf, 1, 0));
assertEquals(3, reader.read(buf, 1, 3));
assertEquals("foo", new String(buf, 1, 3));
assertEquals(2, reader.read(CharBuffer.wrap(buf, 2, 2)));
assertEquals("ba", new String(buf, 2, 2));
assertEquals('r', (char) reader.read());
assertEquals(-1, reader.read(buf));
reader.close();
reader.setValue("foobar");
StringBuilder sb = new StringBuilder();
int ch;
while ((ch = reader.read()) != -1) {
sb.append((char) ch);
}
reader.close();
assertEquals("foobar", sb.toString());
}
}