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Posted to commits@commons.apache.org by lu...@apache.org on 2009/07/20 22:13:25 UTC
svn commit: r795984 - in /commons/proper/math/trunk/src:
java/org/apache/commons/math/stat/clustering/EuclideanIntegerPoint.java
test/org/apache/commons/math/stat/clustering/EuclideanIntegerPointTest.java
Author: luc
Date: Mon Jul 20 20:13:24 2009
New Revision: 795984
URL: http://svn.apache.org/viewvc?rev=795984&view=rev
Log:
checked serialization of EuclideanIntegerPoint and added a tests suite for the class
Added:
commons/proper/math/trunk/src/test/org/apache/commons/math/stat/clustering/EuclideanIntegerPointTest.java (with props)
Modified:
commons/proper/math/trunk/src/java/org/apache/commons/math/stat/clustering/EuclideanIntegerPoint.java
Modified: commons/proper/math/trunk/src/java/org/apache/commons/math/stat/clustering/EuclideanIntegerPoint.java
URL: http://svn.apache.org/viewvc/commons/proper/math/trunk/src/java/org/apache/commons/math/stat/clustering/EuclideanIntegerPoint.java?rev=795984&r1=795983&r2=795984&view=diff
==============================================================================
--- commons/proper/math/trunk/src/java/org/apache/commons/math/stat/clustering/EuclideanIntegerPoint.java (original)
+++ commons/proper/math/trunk/src/java/org/apache/commons/math/stat/clustering/EuclideanIntegerPoint.java Mon Jul 20 20:13:24 2009
@@ -28,8 +28,6 @@
* @since 2.0
*/
public class EuclideanIntegerPoint implements Clusterable<EuclideanIntegerPoint>, Serializable {
- // TODO: Add Serializable documentation
- // TODO: Check Serializable implementation
/** Serializable version identifier. */
private static final long serialVersionUID = 3946024775784901369L;
Added: commons/proper/math/trunk/src/test/org/apache/commons/math/stat/clustering/EuclideanIntegerPointTest.java
URL: http://svn.apache.org/viewvc/commons/proper/math/trunk/src/test/org/apache/commons/math/stat/clustering/EuclideanIntegerPointTest.java?rev=795984&view=auto
==============================================================================
--- commons/proper/math/trunk/src/test/org/apache/commons/math/stat/clustering/EuclideanIntegerPointTest.java (added)
+++ commons/proper/math/trunk/src/test/org/apache/commons/math/stat/clustering/EuclideanIntegerPointTest.java Mon Jul 20 20:13:24 2009
@@ -0,0 +1,64 @@
+/*
+ * 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.
+ */
+
+package org.apache.commons.math.stat.clustering;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.commons.math.TestUtils;
+import org.junit.Test;
+
+public class EuclideanIntegerPointTest {
+
+ @Test
+ public void testArrayIsReference() {
+ int[] array = { -3, -2, -1, 0, 1 };
+ assertTrue(array == new EuclideanIntegerPoint(array).getPoint());
+ }
+
+ @Test
+ public void testDistance() {
+ EuclideanIntegerPoint e1 = new EuclideanIntegerPoint(new int[] { -3, -2, -1, 0, 1 });
+ EuclideanIntegerPoint e2 = new EuclideanIntegerPoint(new int[] { 1, 0, -1, 1, 1 });
+ assertEquals(Math.sqrt(21.0), e1.distanceFrom(e2), 1.0e-15);
+ assertEquals(0.0, e1.distanceFrom(e1), 1.0e-15);
+ assertEquals(0.0, e2.distanceFrom(e2), 1.0e-15);
+ }
+
+ @Test
+ public void testCentroid() {
+ List<EuclideanIntegerPoint> list = new ArrayList<EuclideanIntegerPoint>();
+ list.add(new EuclideanIntegerPoint(new int[] { 1, 3 }));
+ list.add(new EuclideanIntegerPoint(new int[] { 2, 2 }));
+ list.add(new EuclideanIntegerPoint(new int[] { 3, 3 }));
+ list.add(new EuclideanIntegerPoint(new int[] { 2, 4 }));
+ EuclideanIntegerPoint c = list.get(0).centroidOf(list);
+ assertEquals(2, c.getPoint()[0]);
+ assertEquals(3, c.getPoint()[1]);
+ }
+
+ @Test
+ public void testSerial() {
+ EuclideanIntegerPoint p = new EuclideanIntegerPoint(new int[] { -3, -2, -1, 0, 1 });
+ assertEquals(p, TestUtils.serializeAndRecover(p));
+ }
+
+}
Propchange: commons/proper/math/trunk/src/test/org/apache/commons/math/stat/clustering/EuclideanIntegerPointTest.java
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Propchange: commons/proper/math/trunk/src/test/org/apache/commons/math/stat/clustering/EuclideanIntegerPointTest.java
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svn:keywords = Author Date Id Revision