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Posted to commits@commons.apache.org by er...@apache.org on 2013/04/02 15:38:27 UTC
svn commit: r1463534 - in
/commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance:
./ CanberraDistanceTest.java ChebyshevDistanceTest.java
EuclideanDistanceTest.java ManhattanDistanceTest.java
Author: erans
Date: Tue Apr 2 13:38:26 2013
New Revision: 1463534
URL: http://svn.apache.org/r1463534
Log:
Unit tests.
Added:
commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/
commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/CanberraDistanceTest.java (with props)
commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/ChebyshevDistanceTest.java (with props)
commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/EuclideanDistanceTest.java (with props)
commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/ManhattanDistanceTest.java (with props)
Added: commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/CanberraDistanceTest.java
URL: http://svn.apache.org/viewvc/commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/CanberraDistanceTest.java?rev=1463534&view=auto
==============================================================================
--- commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/CanberraDistanceTest.java (added)
+++ commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/CanberraDistanceTest.java Tue Apr 2 13:38:26 2013
@@ -0,0 +1,48 @@
+/*
+ * 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.math3.ml.distance;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * Tests for {@link CanberraDistance} class.
+ */
+public class CanberraDistanceTest {
+ final DistanceMeasure distance = new CanberraDistance();
+
+ @Test
+ public void testZero() {
+ final double[] a = { 0, 1, -2, 3.4, 5, -6.7, 89 };
+ Assert.assertEquals(0, distance.compute(a, a), 0d);
+ }
+
+ @Test
+ public void testZero2() {
+ final double[] a = { 0, 0 };
+ Assert.assertEquals(0, distance.compute(a, a), 0d);
+ }
+
+ @Test
+ public void test() {
+ final double[] a = { 1, 2, 3, 4, 9 };
+ final double[] b = { -5, -6, 7, 4, 3 };
+ final double expected = 2.9;
+ Assert.assertEquals(expected, distance.compute(a, b), 0d);
+ Assert.assertEquals(expected, distance.compute(b, a), 0d);
+ }
+}
Propchange: commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/CanberraDistanceTest.java
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Propchange: commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/CanberraDistanceTest.java
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svn:keywords = Id Revision
Added: commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/ChebyshevDistanceTest.java
URL: http://svn.apache.org/viewvc/commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/ChebyshevDistanceTest.java?rev=1463534&view=auto
==============================================================================
--- commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/ChebyshevDistanceTest.java (added)
+++ commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/ChebyshevDistanceTest.java Tue Apr 2 13:38:26 2013
@@ -0,0 +1,43 @@
+/*
+ * 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.math3.ml.distance;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.apache.commons.math3.util.FastMath;
+
+/**
+ * Tests for {@link ChebyshevDistance} class.
+ */
+public class ChebyshevDistanceTest {
+ final DistanceMeasure distance = new ChebyshevDistance();
+
+ @Test
+ public void testZero() {
+ final double[] a = { 0, 1, -2, 3.4, 5, -6.7, 89 };
+ Assert.assertEquals(0, distance.compute(a, a), 0d);
+ }
+
+ @Test
+ public void test() {
+ final double[] a = { 1, 2, 3, 4 };
+ final double[] b = { -5, -6, 7, 8 };
+ final double expected = 8;
+ Assert.assertEquals(expected, distance.compute(a, b), 0d);
+ Assert.assertEquals(expected, distance.compute(b, a), 0d);
+ }
+}
Propchange: commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/ChebyshevDistanceTest.java
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svn:keywords = Id Revision
Added: commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/EuclideanDistanceTest.java
URL: http://svn.apache.org/viewvc/commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/EuclideanDistanceTest.java?rev=1463534&view=auto
==============================================================================
--- commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/EuclideanDistanceTest.java (added)
+++ commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/EuclideanDistanceTest.java Tue Apr 2 13:38:26 2013
@@ -0,0 +1,43 @@
+/*
+ * 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.math3.ml.distance;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.apache.commons.math3.util.FastMath;
+
+/**
+ * Tests for {@link EuclideanDistance} class.
+ */
+public class EuclideanDistanceTest {
+ final DistanceMeasure distance = new EuclideanDistance();
+
+ @Test
+ public void testZero() {
+ final double[] a = { 0, 1, -2, 3.4, 5, -6.7, 89 };
+ Assert.assertEquals(0, distance.compute(a, a), 0d);
+ }
+
+ @Test
+ public void test() {
+ final double[] a = { 1, -2, 3, 4 };
+ final double[] b = { -5, -6, 7, 8 };
+ final double expected = FastMath.sqrt(84);
+ Assert.assertEquals(expected, distance.compute(a, b), 0d);
+ Assert.assertEquals(expected, distance.compute(b, a), 0d);
+ }
+}
Propchange: commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/EuclideanDistanceTest.java
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Propchange: commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/EuclideanDistanceTest.java
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svn:keywords = Id Revision
Added: commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/ManhattanDistanceTest.java
URL: http://svn.apache.org/viewvc/commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/ManhattanDistanceTest.java?rev=1463534&view=auto
==============================================================================
--- commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/ManhattanDistanceTest.java (added)
+++ commons/proper/math/trunk/src/test/java/org/apache/commons/math3/ml/distance/ManhattanDistanceTest.java Tue Apr 2 13:38:26 2013
@@ -0,0 +1,42 @@
+/*
+ * 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.math3.ml.distance;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * Tests for {@link ManhattanDistance} class.
+ */
+public class ManhattanDistanceTest {
+ final DistanceMeasure distance = new ManhattanDistance();
+
+ @Test
+ public void testZero() {
+ final double[] a = { 0, 1, -2, 3.4, 5, -6.7, 89 };
+ Assert.assertEquals(0, distance.compute(a, a), 0d);
+ }
+
+ @Test
+ public void test() {
+ final double[] a = { 1, -2, 3, 4 };
+ final double[] b = { -5, -6, 7, 8 };
+ final double expected = 18;
+ Assert.assertEquals(expected, distance.compute(a, b), 0d);
+ Assert.assertEquals(expected, distance.compute(b, a), 0d);
+ }
+}
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