Author: simonetripodi
Date: Sat Dec 10 21:40:46 2011
New Revision: 1212886
URL: http://svn.apache.org/viewvc?rev=1212886&view=rev
Log:
first checkin of Kosaraju test case (just dump, not really helpful)
Added:
commons/sandbox/graph/trunk/src/test/java/org/apache/commons/graph/ssc/
commons/sandbox/graph/trunk/src/test/java/org/apache/commons/graph/ssc/KosarajuSharirTestCase.java
(with props)
Added:
commons/sandbox/graph/trunk/src/test/java/org/apache/commons/graph/ssc/KosarajuSharirTestCase.java
URL:
http://svn.apache.org/viewvc/commons/sandbox/graph/trunk/src/test/java/org/apache/commons/graph/ssc/KosarajuSharirTestCase.java?rev=1212886&view=auto
==============================================================================
---
commons/sandbox/graph/trunk/src/test/java/org/apache/commons/graph/ssc/KosarajuSharirTestCase.java
(added)
+++
commons/sandbox/graph/trunk/src/test/java/org/apache/commons/graph/ssc/KosarajuSharirTestCase.java
Sat Dec 10 21:40:46 2011
@@ -0,0 +1,78 @@
+package org.apache.commons.graph.ssc;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.
+ */
+
+import static
org.apache.commons.graph.ssc.KosarajuSharir.hasStronglyConnectedComponent;
+
+import org.apache.commons.graph.model.BaseLabeledEdge;
+import org.apache.commons.graph.model.BaseLabeledVertex;
+import org.apache.commons.graph.model.DirectedMutableGraph;
+import org.junit.Test;
+
+/**
+ * Test for Kosaraju's algorithm implementation,
+ * see the <a
href="http://scienceblogs.com/goodmath/2007/10/computing_strongly_connected_c.php";>online</a>
testcase.
+ */
+public final class KosarajuSharirTestCase
+{
+
+ @Test
+ public void verifyHasStronglyConnectedComponents()
+ {
+ DirectedMutableGraph<BaseLabeledVertex, BaseLabeledEdge> graph =
+ new DirectedMutableGraph<BaseLabeledVertex, BaseLabeledEdge>();
+
+ // building Graph
+
+ BaseLabeledVertex a = new BaseLabeledVertex( "A" );
+ BaseLabeledVertex b = new BaseLabeledVertex( "B" );
+ BaseLabeledVertex c = new BaseLabeledVertex( "C" );
+ BaseLabeledVertex d = new BaseLabeledVertex( "D" );
+ BaseLabeledVertex e = new BaseLabeledVertex( "E" );
+ BaseLabeledVertex f = new BaseLabeledVertex( "F" );
+ BaseLabeledVertex g = new BaseLabeledVertex( "G" );
+ BaseLabeledVertex h = new BaseLabeledVertex( "H" );
+
+ graph.addVertex( a );
+ graph.addVertex( b );
+ graph.addVertex( c );
+ graph.addVertex( d );
+ graph.addVertex( e );
+ graph.addVertex( f );
+ graph.addVertex( g );
+ graph.addVertex( h );
+
+ graph.addEdge( a, new BaseLabeledEdge( "A -> F" ), f );
+ graph.addEdge( a, new BaseLabeledEdge( "A -> B" ), b );
+ graph.addEdge( b, new BaseLabeledEdge( "B -> D" ), d );
+ graph.addEdge( c, new BaseLabeledEdge( "C -> G" ), g );
+ graph.addEdge( d, new BaseLabeledEdge( "D -> A" ), a );
+ graph.addEdge( d, new BaseLabeledEdge( "D -> G" ), g );
+ graph.addEdge( e, new BaseLabeledEdge( "E -> C" ), c );
+ graph.addEdge( e, new BaseLabeledEdge( "E -> F" ), f );
+ graph.addEdge( f, new BaseLabeledEdge( "F -> E" ), e );
+ graph.addEdge( g, new BaseLabeledEdge( "G -> H" ), h );
+ graph.addEdge( h, new BaseLabeledEdge( "H -> C" ), c );
+
+
+ hasStronglyConnectedComponent( graph, a );
+ }
+
+}
Propchange:
commons/sandbox/graph/trunk/src/test/java/org/apache/commons/graph/ssc/KosarajuSharirTestCase.java
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