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/*
* Copyright 2014 Open Networking Laboratory
*
* Licensed 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.onlab.graph;
import com.google.common.collect.ImmutableSet;
import com.google.common.testing.EqualsTester;
import org.junit.Test;
import java.util.Set;
import static org.junit.Assert.assertEquals;
/**
* Tests of the graph implementation.
*/
public class AdjacencyListsGraphTest {
private static final TestVertex A = new TestVertex("A");
private static final TestVertex B = new TestVertex("B");
private static final TestVertex C = new TestVertex("C");
private static final TestVertex D = new TestVertex("D");
private static final TestVertex E = new TestVertex("E");
private static final TestVertex F = new TestVertex("F");
private static final TestVertex G = new TestVertex("G");
private final Set<TestEdge> edges =
ImmutableSet.of(new TestEdge(A, B, 1), new TestEdge(B, C, 1),
new TestEdge(C, D, 1), new TestEdge(D, A, 1),
new TestEdge(B, D, 1));
@Test
public void equality() {
Set<TestVertex> vertexes = ImmutableSet.of(A, B, C, D, E, F);
Set<TestVertex> vertexes2 = ImmutableSet.of(A, B, C, D, E, F, G);
AdjacencyListsGraph<TestVertex, TestEdge> graph = new AdjacencyListsGraph<>(vertexes, edges);
AdjacencyListsGraph<TestVertex, TestEdge> same = new AdjacencyListsGraph<>(vertexes, edges);
AdjacencyListsGraph<TestVertex, TestEdge> different = new AdjacencyListsGraph<>(vertexes2, edges);
new EqualsTester()
.addEqualityGroup(graph, same)
.addEqualityGroup(different)
.testEquals();
}
@Test
public void basics() {
Set<TestVertex> vertexes = ImmutableSet.of(A, B, C, D, E, F);
AdjacencyListsGraph<TestVertex, TestEdge> graph = new AdjacencyListsGraph<>(vertexes, edges);
assertEquals("incorrect vertex count", 6, graph.getVertexes().size());
assertEquals("incorrect edge count", 5, graph.getEdges().size());
assertEquals("incorrect egress edge count", 1, graph.getEdgesFrom(A).size());
assertEquals("incorrect ingress edge count", 1, graph.getEdgesTo(A).size());
assertEquals("incorrect ingress edge count", 1, graph.getEdgesTo(C).size());
assertEquals("incorrect egress edge count", 2, graph.getEdgesFrom(B).size());
assertEquals("incorrect ingress edge count", 2, graph.getEdgesTo(D).size());
}
}
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