/*
* 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.util;
public class TestCharsRefBuilder extends LuceneTestCase {
public void testAppend() {
final String s = TestUtil.randomUnicodeString(random(), 100);
CharsRefBuilder builder = new CharsRefBuilder();
while (builder.length() < s.length()) {
if (random().nextBoolean()) {
builder.append(s.charAt(builder.length()));
} else {
final int start = builder.length();
final int end = TestUtil.nextInt(random(), start, s.length());
if (random().nextBoolean()) {
builder.append(s.substring(start, end));
} else {
builder.append(s, start, end);
}
}
}
assertEquals(s, builder.toString());
}
public void testAppendNull() {
CharsRefBuilder builder = new CharsRefBuilder();
builder.append(null);
builder.append((CharSequence) null, 1, 3);
assertEquals("nullnull", builder.toString());
}
}