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/*******************************************************************************
* Copyright (c) 2009, 2019 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.assertNull;
import java.io.IOException;
import java.io.StringReader;
import java.util.List;
import org.jacoco.core.internal.analysis.CounterImpl;
import org.jacoco.core.internal.analysis.SourceFileCoverageImpl;
import org.jacoco.core.test.validation.Source.Line;
import org.junit.Test;
/**
* Unit tests for {@link Source}.
*/
public class SourceTest {
@Test
public void should_parse_lines() throws IOException {
String src = "aaa\nbbb\n;";
final Source s = new Source(new StringReader(src),
new SourceFileCoverageImpl("Foo", "foo"));
List<Line> lines = s.getLines();
assertEquals(3, lines.size());
assertEquals("aaa", lines.get(0).getText());
assertEquals("bbb", lines.get(1).getText());
assertEquals(";", lines.get(2).getText());
}
@Test
public void should_parse_empty_lines() throws IOException {
String src = "\naaa\n\nbbb\n";
final Source s = new Source(new StringReader(src),
new SourceFileCoverageImpl("Foo", "foo"));
List<Line> lines = s.getLines();
assertEquals(4, lines.size());
assertEquals("", lines.get(0).getText());
assertEquals("aaa", lines.get(1).getText());
assertEquals("", lines.get(2).getText());
assertEquals("bbb", lines.get(3).getText());
}
@Test
public void should_parse_crnl_separator() throws IOException {
String src = "aaa\r\nbbb";
final Source s = new Source(new StringReader(src),
new SourceFileCoverageImpl("Foo", "foo"));
List<Line> lines = s.getLines();
assertEquals(2, lines.size());
assertEquals("aaa", lines.get(0).getText());
assertEquals("bbb", lines.get(1).getText());
}
@Test
public void should_calculate_line_numbers() throws IOException {
String src = "a\nb\nc";
final Source s = new Source(new StringReader(src),
new SourceFileCoverageImpl("Foo", "foo"));
List<Line> lines = s.getLines();
assertEquals(3, lines.size());
assertEquals(1, lines.get(0).getNr());
assertEquals(2, lines.get(1).getNr());
assertEquals(3, lines.get(2).getNr());
}
@Test
public void line_should_implement_toString() throws IOException {
String src = "a\nb";
final Source s = new Source(new StringReader(src),
new SourceFileCoverageImpl("Foo", "foo"));
List<Line> lines = s.getLines();
assertEquals(2, lines.size());
assertEquals("Foo:1", lines.get(0).toString());
assertEquals("Foo:2", lines.get(1).toString());
}
@Test
public void line_should_provide_corresponding_coverage()
throws IOException {
String src = "a\nb\nc";
SourceFileCoverageImpl sc = new SourceFileCoverageImpl("Foo", "foo");
sc.increment(CounterImpl.getInstance(1, 0), CounterImpl.COUNTER_0_0, 1);
sc.increment(CounterImpl.getInstance(2, 0), CounterImpl.COUNTER_0_0, 2);
sc.increment(CounterImpl.getInstance(3, 0), CounterImpl.COUNTER_0_0, 3);
final Source s = new Source(new StringReader(src), sc);
List<Line> lines = s.getLines();
assertEquals(3, lines.size());
assertEquals(1, lines.get(0).getCoverage().getInstructionCounter()
.getMissedCount());
assertEquals(2, lines.get(1).getCoverage().getInstructionCounter()
.getMissedCount());
assertEquals(3, lines.get(2).getCoverage().getInstructionCounter()
.getMissedCount());
}
@Test
public void line_should_return_comment() throws IOException {
String src = "aaa\nbbb // test()\n}//nospaces()\n/* http://jacoco.org/ */";
final Source s = new Source(new StringReader(src),
new SourceFileCoverageImpl("Foo", "foo"));
List<Line> lines = s.getLines();
assertEquals(4, lines.size());
assertNull(lines.get(0).getComment());
assertEquals(" test()", lines.get(1).getComment());
assertEquals("nospaces()", lines.get(2).getComment());
assertNull(lines.get(3).getComment());
}
}
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