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/*
* Sonar, open source software quality management tool.
* Copyright (C) 2009 SonarSource SA
* mailto:contact AT sonarsource DOT com
*
* Sonar is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* Sonar is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sonar; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02
*/
package org.sonar.squid.text;
import org.junit.Test;
import org.sonar.squid.text.StringArrayReader.EndOfLineDelimiter;
import java.io.IOException;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
public class StringArrayReaderTest {
@Test
public void read() throws IOException {
String[] lines = { "import java.util.*;", "//NOSONAR comment", };
StringArrayReader reader = new StringArrayReader(lines);
assertEquals('i', reader.read());
assertEquals('m', reader.read());
}
@Test
public void testLFEndOfLineDelimiter() throws IOException {
String[] lines = { ";", ";", };
StringArrayReader reader = new StringArrayReader(lines, EndOfLineDelimiter.LF);
assertEquals(';', reader.read());
assertEquals('\n', reader.read());
assertEquals(';', reader.read());
}
@Test
public void testCREndOfLineDelimiter() throws IOException {
String[] lines = { ";", ";", };
StringArrayReader reader = new StringArrayReader(lines, EndOfLineDelimiter.CR);
assertEquals(';', reader.read());
assertEquals('\r', reader.read());
assertEquals(';', reader.read());
}
@Test
public void testCRPlusLFEndOfLineDelimiter() throws IOException {
String[] lines = { ";", ";", };
StringArrayReader reader = new StringArrayReader(lines, EndOfLineDelimiter.CR_PLUS_LF);
assertEquals(';', reader.read());
assertEquals('\r', reader.read());
assertEquals('\n', reader.read());
assertEquals(';', reader.read());
}
@Test
public void ready() throws IOException {
String[] lines = { ";", "//NOSONAR", };
StringArrayReader reader = new StringArrayReader(lines);
assertTrue(reader.ready());
}
@Test
public void markSupported() throws IOException {
String[] lines = {};
StringArrayReader reader = new StringArrayReader(lines);
assertTrue(reader.markSupported());
}
@Test
public void mark() throws IOException {
String[] lines = { ";", "//NOSONAR", };
StringArrayReader reader = new StringArrayReader(lines);
reader.read(new char[4], 0, 4);
reader.mark(4);
reader.read(new char[2], 0, 2);
reader.reset();
assertEquals('N', reader.read());
assertEquals('O', reader.read());
}
@Test(expected = IOException.class)
public void close() throws IOException {
String[] lines = { ";", "//NOSONAR", };
StringArrayReader reader = new StringArrayReader(lines);
assertTrue(reader.ready());
reader.close();
reader.ready();
}
@Test
public void readEndOfArray() throws IOException {
String[] lines = { ";" };
StringArrayReader reader = new StringArrayReader(lines);
assertEquals(';', reader.read());
assertEquals(-1, reader.read());
}
@Test
public void readMultipleCharacters() throws IOException {
String[] lines = { ";", "//NOSONAR", };
StringArrayReader reader = new StringArrayReader(lines);
char[] chars = new char[4];
assertEquals(4, reader.read(chars, 0, 4));
assertEquals(";\n//", new String(chars));
}
@Test
public void readMultipleCharactersTillEndOfArray() throws IOException {
String[] lines = { ";", "//NOSONAR", };
StringArrayReader reader = new StringArrayReader(lines);
char[] chars = new char[11];
assertEquals(11, reader.read(chars, 0, 11));
assertEquals(";\n//NOSONAR", new String(chars));
}
@Test
public void readEmptyArray() throws IOException {
String[] lines = {};
StringArrayReader reader = new StringArrayReader(lines);
char[] cbuf = new char[10000];
assertEquals(-1, reader.read(cbuf, 0, 10000));
}
@Test
public void readMultipleCharactersWithEmptyLineAtEnd() throws IOException {
String[] lines = { ";", "//NOSONAR", "", "" };
StringArrayReader reader = new StringArrayReader(lines);
char[] cbuf = new char[10000];
assertEquals(13, reader.read(cbuf, 0, 10000));
assertEquals(";\n//NOSONAR\n\n", new String(cbuf, 0, 13));
}
@Test
public void readOneCharacter() throws IOException {
String[] lines = { ";", "//NOSONAR" };
StringArrayReader reader = new StringArrayReader(lines);
char[] chars = new char[1];
assertEquals(1, reader.read(chars, 0, 1));
assertEquals(";", new String(chars));
}
@Test
public void readBlankLines() throws IOException {
String[] lines = { "", "", "" };
StringArrayReader reader = new StringArrayReader(lines);
assertEquals('\n', reader.read());
assertEquals('\n', reader.read());
assertEquals(-1, reader.read());
}
@Test
public void skip() throws IOException {
String[] lines = { "//NOSONAR", };
StringArrayReader reader = new StringArrayReader(lines);
reader.skip(2);
assertEquals('N', reader.read());
}
@Test
public void readEOF() throws IOException {
String[] emptyLines = {};
StringArrayReader reader = new StringArrayReader(emptyLines);
assertEquals(-1, reader.read());
String[] lines = { "a" };
reader = new StringArrayReader(lines);
assertEquals('a', reader.read());
assertEquals(-1, reader.read());
}
}
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