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Added tests. 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1446242 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Luc Maisonobe 2013-02-14 15:38:55 +00:00
parent ef76ef299e
commit 2edd83f5f5
1 changed files with 41 additions and 0 deletions
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41
src/test/java/org/apache/commons/math3/geometry/euclidean/threed/Vector3DTest.java
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@ -17,10 +17,16 @@
package org.apache.commons.math3.geometry.euclidean.threed;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.text.NumberFormat;
import java.util.Locale;
import org.apache.commons.math3.exception.DimensionMismatchException;
import org.apache.commons.math3.exception.MathArithmeticException;
import org.apache.commons.math3.random.Well1024a;
import org.apache.commons.math3.util.FastMath;
import org.apache.commons.math3.util.Precision;
import org.junit.Assert;
import org.junit.Test;
@ -46,6 +52,41 @@ public class Vector3DTest {
2, 5, -3);
}
@Test
public void testEquals() {
Vector3D u1 = new Vector3D(1, 2, 3);
Vector3D u2 = new Vector3D(1, 2, 3);
Vector3D v = new Vector3D(1, 2, 3 + 10 * Precision.EPSILON);
Assert.assertTrue(u1.equals(u1));
Assert.assertTrue(u1.equals(u2));
Assert.assertFalse(u1.equals(v));
Assert.assertTrue(new Vector3D(0, Double.NaN, 0).equals(new Vector3D(0, 0, Double.NaN)));
}
@Test
public void testHash() {
Assert.assertEquals(new Vector3D(0, Double.NaN, 0).hashCode(), new Vector3D(0, 0, Double.NaN).hashCode());
Vector3D u = new Vector3D(1, 2, 3);
Vector3D v = new Vector3D(1, 2, 3 + 10 * Precision.EPSILON);
Assert.assertTrue(u.hashCode() != v.hashCode());
}
@Test
public void testInfinite() {
Assert.assertTrue(new Vector3D(1, 1, Double.NEGATIVE_INFINITY).isInfinite());
Assert.assertTrue(new Vector3D(1, Double.NEGATIVE_INFINITY, 1).isInfinite());
Assert.assertTrue(new Vector3D(Double.NEGATIVE_INFINITY, 1, 1).isInfinite());
Assert.assertFalse(new Vector3D(1, 1, 2).isInfinite());
Assert.assertFalse(new Vector3D(1, Double.NaN, Double.NEGATIVE_INFINITY).isInfinite());
}
@Test
public void testToString() {
Assert.assertEquals("{3; 2; 1}", new Vector3D(3, 2, 1).toString());
NumberFormat format = new DecimalFormat("0.000", new DecimalFormatSymbols(Locale.US));
Assert.assertEquals("{3.000; 2.000; 1.000}", new Vector3D(3, 2, 1).toString(format));
}
@Test(expected=DimensionMismatchException.class)
public void testWrongDimension() throws DimensionMismatchException {
new Vector3D(new double[] { 2, 5 });