97 lines
3.0 KiB
Java
97 lines
3.0 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.tomcat.util.buf;
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import java.io.IOException;
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import org.junit.Assert;
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import org.junit.Ignore;
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import org.junit.Test;
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import org.apache.tomcat.util.buf.CharChunk.CharOutputChannel;
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/**
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* Test cases for {@link CharChunk}.
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*/
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public class TestCharChunk {
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@Test
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public void testEndsWith() {
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CharChunk cc = new CharChunk();
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Assert.assertFalse(cc.endsWith("test"));
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cc.setChars("xxtestxx".toCharArray(), 2, 4);
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Assert.assertTrue(cc.endsWith(""));
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Assert.assertTrue(cc.endsWith("t"));
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Assert.assertTrue(cc.endsWith("st"));
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Assert.assertTrue(cc.endsWith("test"));
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Assert.assertFalse(cc.endsWith("x"));
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Assert.assertFalse(cc.endsWith("xxtest"));
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}
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@Test
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public void testIndexOf_String() {
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char[] chars = "Hello\u00a0world".toCharArray();
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final int len = chars.length;
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CharChunk cc = new CharChunk();
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cc.setChars(chars, 0, len);
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Assert.assertEquals(0, cc.indexOf("Hello", 0, "Hello".length(), 0));
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Assert.assertEquals(2, cc.indexOf("ll", 0, 2, 0));
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Assert.assertEquals(2, cc.indexOf("Hello", 2, 2, 0));
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Assert.assertEquals(7, cc.indexOf("o", 0, 1, 5));
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// Does work outside of 0-127 (unlike ByteChunk)
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Assert.assertEquals(5, cc.indexOf("\u00a0", 0, 1, 0));
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cc.setChars(chars, 6, 5);
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Assert.assertEquals(1, cc.indexOf("o", 0, 1, 0));
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cc.setChars(chars, 6, 2);
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Assert.assertEquals(0, cc.indexOf("wo", 0, 1, 0));
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Assert.assertEquals(-1, cc.indexOf("d", 0, 1, 0));
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}
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@Ignore // Requires an 11GB heap (on markt's desktop - YMMV)
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@Test
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public void testAppend() throws Exception {
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CharChunk cc = new CharChunk();
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cc.setCharOutputChannel(new Sink());
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// Defaults to no limit
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char data[] = new char[32 * 1024 * 1024];
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for (int i = 0; i < 100; i++) {
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cc.append(data, 0, data.length);
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}
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Assert.assertEquals(AbstractChunk.ARRAY_MAX_SIZE, cc.getBuffer().length);
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}
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public class Sink implements CharOutputChannel {
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@Override
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public void realWriteChars(char[] cbuf, int off, int len) throws IOException {
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// NO-OP
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}
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}
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}
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