| /* |
| * 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()); |
| } |
| |
| } |