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/*
* Sonar, open source software quality management tool.
* Copyright (C) 2008-2011 SonarSource
* 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.graph;
import org.junit.Before;
import org.junit.Test;
import org.sonar.graph.Dsm;
import org.sonar.graph.DsmScanner;
import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;
public class DsmTest {
private Dsm<String> dsm;
@Before
public void init() {
StringPrintWriter textDsm = new StringPrintWriter();
textDsm.println(" | A | B | C | D | E |");
textDsm.println("A | | 1 | | | |");
textDsm.println("B | 2 | | | | |");
textDsm.println("C | 4 | | | | |");
textDsm.println("D | | 7 | | | 5 |");
textDsm.println("E | | | | | |");
dsm = DsmScanner.scan(textDsm.toString());
}
@Test
public void testGetVertex() {
assertEquals("A", dsm.getVertex(0));
assertEquals("B", dsm.getVertex(1));
assertEquals("C", dsm.getVertex(2));
assertEquals("D", dsm.getVertex(3));
assertEquals("E", dsm.getVertex(4));
}
@Test
public void testPermute() {
assertEquals(2, dsm.getCell(0, 1).getWeight());
assertEquals(4, dsm.getCell(0, 2).getWeight());
dsm.permute(0, 1);
assertEquals(1, dsm.getCell(0, 1).getWeight());
assertEquals(0, dsm.getCell(0, 2).getWeight());
}
@Test
public void testGetNumberOfOutgoingEdges() {
assertEquals(0, dsm.getNumberOfOutgoingEdges(3, 0, 4));
assertEquals(2, dsm.getNumberOfOutgoingEdges(0, 0, 4));
}
@Test
public void testGetNumberOfIncomingEdges() {
assertThat(dsm.getNumberOfIncomingEdges(0, 0, 4), equalTo(1));
assertThat(dsm.getNumberOfIncomingEdges(4, 0, 4), equalTo(0));
}
}
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