From: kruland2607 <kruland2607@180e2498-e6e9-4542-8430-84ac67f01cd8>
Date: Tue, 10 Jul 2012 18:52:13 +0000 (+0000)
Subject: Extract Quaternion.main to junit test.
X-Git-Tag: upstream/12.09^2~116
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=0061238ab83bc6432e55fc6b8beca8db02a1e298;hp=97ed5ac2c5c3544e4c48b30cfa10b8261561fe4a;p=debian%2Fopenrocket

Extract Quaternion.main to junit test.

git-svn-id: https://openrocket.svn.sourceforge.net/svnroot/openrocket/trunk@883 180e2498-e6e9-4542-8430-84ac67f01cd8
---

diff --git a/core/src/net/sf/openrocket/util/Quaternion.java b/core/src/net/sf/openrocket/util/Quaternion.java
index 5f277662..e82eb9d2 100644
--- a/core/src/net/sf/openrocket/util/Quaternion.java
+++ b/core/src/net/sf/openrocket/util/Quaternion.java
@@ -318,39 +318,4 @@ public class Quaternion {
 		return String.format("Quaternion[%f,%f,%f,%f,norm=%f]", w, x, y, z, this.norm());
 	}
 	
-	public static void main(String[] arg) {
-		
-		Quaternion q = new Quaternion(Math.random() - 0.5, Math.random() - 0.5,
-				Math.random() - 0.5, Math.random() - 0.5);
-		q.normalize();
-		
-		q = new Quaternion(-0.998717, 0.000000, 0.050649, -0.000000);
-		
-		Coordinate coord = new Coordinate(10 * (Math.random() - 0.5),
-				10 * (Math.random() - 0.5), 10 * (Math.random() - 0.5));
-		
-		System.out.println("Quaternion: " + q);
-		System.out.println("Coordinate: " + coord);
-		coord = q.invRotate(coord);
-		System.out.println("Rotated: " + coord);
-		coord = q.rotate(coord);
-		System.out.println("Back:       " + coord);
-		
-
-		q = new Quaternion(0.237188, 0.570190, -0.514542, 0.594872);
-		q.normalize();
-		Coordinate c = new Coordinate(148578428.914, 8126778.954, -607.741);
-		
-		System.out.println("Rotated: " + q.rotate(c));
-		
-		//		Coordinate c = new Coordinate(0,1,0);
-		//		Coordinate rot = new Coordinate(Math.PI/4,0,0);
-		//		
-		//		System.out.println("Before: "+c);
-		//		c = rotation(rot).invRotate(c);
-		//		System.out.println("After: "+c);
-		
-
-	}
-	
 }
diff --git a/core/test/net/sf/openrocket/util/QuaternionTest.java b/core/test/net/sf/openrocket/util/QuaternionTest.java
new file mode 100644
index 00000000..26a2dc26
--- /dev/null
+++ b/core/test/net/sf/openrocket/util/QuaternionTest.java
@@ -0,0 +1,48 @@
+package net.sf.openrocket.util;
+
+import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+
+
+public class QuaternionTest {
+
+	@Test
+	public void oldMainTest() {
+
+		// This is normalized already
+		Quaternion q = new Quaternion(0.237188, 0.570190, -0.514542, 0.594872);
+		assertEquals( 1.0, q.norm(), 0.01);
+
+		q.normalize();
+		assertEquals( 0.237188, q.getW(), 0.00001);
+		assertEquals( 0.570190, q.getX(), 0.00001);
+		assertEquals( -0.514542, q.getY(), 0.00001);
+		assertEquals( 0.594872, q.getZ(), 0.00001);
+		assertEquals( 1.0, q.norm(), 0.01);
+
+		Coordinate c = new Coordinate(148578428.914, 8126778.954, -607.741);
+
+		Coordinate r = q.rotate(c);
+
+		System.out.println("Rotated: " + q.rotate(c));
+
+		assertEquals( -42312599.537, r.x, 0.001);
+		assertEquals( -48162747.551, r.y, 0.001);
+		assertEquals( 134281904.197, r.z, 0.001);
+
+		c = new Coordinate(0,1,0);
+		Coordinate rot = new Coordinate(Math.PI/4,0,0);
+
+		System.out.println("Before: "+c);
+		c = Quaternion.rotation(rot).invRotate(c);
+		System.out.println("After: "+c);
+		
+		assertEquals( 0.0, c.x, 0.001);
+		assertEquals( 0.707, c.y, 0.001);
+		assertEquals( -0.707, c.z, 0.001);
+
+
+	}
+
+
+}