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/*******************************************************************************
* Copyright (c) Copyright (c) Copyright (c) 2009, 2012 Mountainminds GmbH & Co. KG and Contributors
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Marc R. Hoffmann - initial API and implementation
*
*******************************************************************************/
package org.jacoco.core.test.validation;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import java.io.StringReader;
import java.util.Arrays;
import java.util.NoSuchElementException;
import org.junit.Test;
/**
* Unit tests for {@link Source}.
*/
public class SourceTest {
@Test
public void testGetLines1() throws IOException {
String src = "\na\nbb\n";
final Source s = new Source(new StringReader(src));
assertEquals(Arrays.asList("", "a", "bb"), s.getLines());
}
@Test
public void testGetLines2() throws IOException {
String src = "aa\nbb\n;";
final Source s = new Source(new StringReader(src));
assertEquals(Arrays.asList("aa", "bb", ";"), s.getLines());
}
@Test
public void testGetLines3() throws IOException {
String src = "xx\r\nyy";
final Source s = new Source(new StringReader(src));
assertEquals(Arrays.asList("xx", "yy"), s.getLines());
}
@Test
public void testGetLine() throws IOException {
String src = "Hello\n\nWorld!";
final Source s = new Source(new StringReader(src));
assertEquals("Hello", s.getLine(1));
assertEquals("", s.getLine(2));
assertEquals("World!", s.getLine(3));
}
@Test
public void testGetLineNumber() throws IOException {
String src = "a\nb$line-tag$\nc\nd\ne$line-tagx$\nf";
final Source s = new Source(new StringReader(src));
assertEquals(2, s.getLineNumber("tag"), 0.0);
}
@Test(expected = NoSuchElementException.class)
public void testGetLineNumberNegative() throws IOException {
String src = "a\nb$line-tag$\nc\nd\ne\nf";
final Source s = new Source(new StringReader(src));
s.getLineNumber("ag");
}
@Test(expected = IllegalArgumentException.class)
public void testDuplicateTag() throws IOException {
String src = "a\nb$line-tag$\nc\nd\ne$line-tag$\nf";
new Source(new StringReader(src));
}
@Test
public void testGetSourceFor() throws IOException {
final Source s = Source.getSourceFor(SourceTest.class);
// Here we are. $line-testGetSourceFor$
final String l = s.getLine(s.getLineNumber("testGetSourceFor"));
assertTrue(l, l.contains("Here we are."));
}
}
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