| /* |
| * 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.tomcat.util.buf; |
| |
| import java.io.IOException; |
| |
| import org.junit.Assert; |
| import org.junit.Ignore; |
| import org.junit.Test; |
| |
| import org.apache.tomcat.util.buf.CharChunk.CharOutputChannel; |
| |
| /** |
| * Test cases for {@link CharChunk}. |
| */ |
| public class TestCharChunk { |
| |
| @Test |
| public void testEndsWith() { |
| CharChunk cc = new CharChunk(); |
| Assert.assertFalse(cc.endsWith("test")); |
| cc.setChars("xxtestxx".toCharArray(), 2, 4); |
| Assert.assertTrue(cc.endsWith("")); |
| Assert.assertTrue(cc.endsWith("t")); |
| Assert.assertTrue(cc.endsWith("st")); |
| Assert.assertTrue(cc.endsWith("test")); |
| Assert.assertFalse(cc.endsWith("x")); |
| Assert.assertFalse(cc.endsWith("xxtest")); |
| } |
| |
| |
| @Test |
| public void testIndexOf_String() { |
| char[] chars = "Hello\u00a0world".toCharArray(); |
| final int len = chars.length; |
| |
| CharChunk cc = new CharChunk(); |
| cc.setChars(chars, 0, len); |
| |
| Assert.assertEquals(0, cc.indexOf("Hello", 0, "Hello".length(), 0)); |
| Assert.assertEquals(2, cc.indexOf("ll", 0, 2, 0)); |
| Assert.assertEquals(2, cc.indexOf("Hello", 2, 2, 0)); |
| |
| Assert.assertEquals(7, cc.indexOf("o", 0, 1, 5)); |
| |
| // Does work outside of 0-127 (unlike ByteChunk) |
| Assert.assertEquals(5, cc.indexOf("\u00a0", 0, 1, 0)); |
| |
| cc.setChars(chars, 6, 5); |
| Assert.assertEquals(1, cc.indexOf("o", 0, 1, 0)); |
| |
| cc.setChars(chars, 6, 2); |
| Assert.assertEquals(0, cc.indexOf("wo", 0, 1, 0)); |
| Assert.assertEquals(-1, cc.indexOf("d", 0, 1, 0)); |
| } |
| |
| |
| @Ignore // Requires an 11GB heap (on markt's desktop - YMMV) |
| @Test |
| public void testAppend() throws Exception { |
| CharChunk cc = new CharChunk(); |
| cc.setCharOutputChannel(new Sink()); |
| // Defaults to no limit |
| |
| char data[] = new char[32 * 1024 * 1024]; |
| |
| for (int i = 0; i < 100; i++) { |
| cc.append(data, 0, data.length); |
| } |
| |
| Assert.assertEquals(AbstractChunk.ARRAY_MAX_SIZE, cc.getBuffer().length); |
| } |
| |
| |
| public class Sink implements CharOutputChannel { |
| |
| @Override |
| public void realWriteChars(char[] cbuf, int off, int len) throws IOException { |
| // NO-OP |
| } |
| } |
| } |