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ChopLinebreakWriterTest.java
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ChopLinebreakWriterTest.java
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/*
* 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.freemarker.docgen.core;
import static org.junit.jupiter.api.Assertions.*;
import java.io.IOException;
import java.io.StringWriter;
import java.io.Writer;
import org.junit.jupiter.api.Test;
public class ChopLinebreakWriterTest {
@Test
public void testCharArg1() throws IOException {
StringWriter sw = new StringWriter();
Writer w = new ChopLinebreakWriter(sw);
w.write('a');
w.write('\n');
w.write('b');
w.write('\n');
assertEquals("a\nb", sw.toString());
}
@Test
public void testStringArg1() throws IOException {
StringWriter sw = new StringWriter();
Writer w = new ChopLinebreakWriter(sw);
w.write("a");
assertEquals("a", sw.toString());
w.write("b");
assertEquals("ab", sw.toString());
w.write("\r");
assertEquals("ab", sw.toString());
w.write("\n");
assertEquals("ab", sw.toString());
w.write("c");
assertEquals("ab\r\nc", sw.toString());
w.write("\ndef\r");
assertEquals("ab\r\nc\ndef", sw.toString());
w.write("g\n");
assertEquals("ab\r\nc\ndef\rg", sw.toString());
w.write("\nh");
assertEquals("ab\r\nc\ndef\rg\n\nh", sw.toString());
}
@Test
public void testStrignArg3() throws IOException {
StringWriter sw = new StringWriter();
Writer w = new ChopLinebreakWriter(sw);
w.write("\n\n\n\r");
assertEquals("\n\n\n", sw.toString());
w.write("\n");
assertEquals("\n\n\n", sw.toString());
w.write("\r");
assertEquals("\n\n\n\r\n", sw.toString());
w.write("\n");
assertEquals("\n\n\n\r\n", sw.toString());
w.write("c");
assertEquals("\n\n\n\r\n\r\nc", sw.toString());
}
@Test
public void testStringArg2() throws IOException {
StringWriter sw = new StringWriter();
Writer w = new ChopLinebreakWriter(sw);
w.write("a\n\n");
assertEquals("a\n", sw.toString());
w.write("b");
assertEquals("a\n\nb", sw.toString());
}
@Test
public void testCharArray() throws IOException {
StringWriter sw = new StringWriter();
Writer w = new ChopLinebreakWriter(sw);
w.write("a".toCharArray());
assertEquals("a", sw.toString());
w.write("\nb\n".toCharArray());
assertEquals("a\nb", sw.toString());
w.write("\nc".toCharArray());
assertEquals("a\nb\n\nc", sw.toString());
w.write("def\n\nghi\n\n".toCharArray());
assertEquals("a\nb\n\ncdef\n\nghi\n", sw.toString());
}
@Test
public void testSubstringWrites() throws IOException {
StringWriter sw = new StringWriter();
Writer w = new ChopLinebreakWriter(sw);
String s = "0123\n567\n\nA";
w.write(s, 1, 3);
assertEquals("123", sw.toString());
w.write(s, 4, 1);
assertEquals("123", sw.toString());
w.write(s, 5, 2);
assertEquals("123\n56", sw.toString());
w.write(s, 7, 3);
assertEquals("123\n567\n", sw.toString());
w.write(s, 10, 1);
assertEquals("123\n567\n\nA", sw.toString());
}
@Test
public void testSubArrayWrites() throws IOException {
StringWriter sw = new StringWriter();
Writer w = new ChopLinebreakWriter(sw);
String s = "0123\n567\n\nA";
w.write(s.toCharArray(), 1, 3);
assertEquals("123", sw.toString());
w.write(s.toCharArray(), 4, 1);
assertEquals("123", sw.toString());
w.write(s.toCharArray(), 5, 2);
assertEquals("123\n56", sw.toString());
w.write(s.toCharArray(), 7, 3);
assertEquals("123\n567\n", sw.toString());
w.write(s.toCharArray(), 10, 1);
assertEquals("123\n567\n\nA", sw.toString());
}
}