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Extract Transformation.main to junit test.

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This commit is contained in:
Kevin Ruland 2012-07-12 02:44:32 +00:00
parent 960555c108
commit 357f370096
2 changed files with 82 additions and 19 deletions
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19
core/src/net/sf/openrocket/util/Transformation.java
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@ -257,23 +257,4 @@ public class Transformation implements java.io.Serializable {
return this.translate.equals(o.translate); return this.translate.equals(o.translate);
} }
public static void main(String[] arg) {
Transformation t;
t = new Transformation();
t.print("Empty");
t = new Transformation(1,2,3);
t.print("1,2,3");
t = new Transformation(new Coordinate(2,3,4));
t.print("coord 2,3 4");
t = Transformation.rotate_y(0.01);
t.print("rotate_y 0.01");
t = new Transformation(-1,0,0);
t = t.applyTransformation(Transformation.rotate_y(0.01));
t = t.applyTransformation(new Transformation(1,0,0));
t.print("shift-rotate-shift");
}
} }

82
core/test/net/sf/openrocket/util/TransformationTest.java Normal file
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@ -0,0 +1,82 @@
package net.sf.openrocket.util;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class TransformationTest {
@Test
public void oldMainTest() {
Transformation t;
t = new Transformation();
{
Coordinate a = t.transform( new Coordinate(1,0,0) );
assertEquals( new Coordinate(1,0,0), a );
a = t.transform( new Coordinate(0,1,0) );
assertEquals( new Coordinate(0,1,0), a );
a = t.transform( new Coordinate(0,0,1) );
assertEquals( new Coordinate(0,0,1), a );
}
t = new Transformation(1,2,3);
{
Coordinate a = t.transform( new Coordinate(1,0,0) );
assertEquals( new Coordinate(2,2,3), a );
a = t.transform( new Coordinate(0,1,0) );
assertEquals( new Coordinate(1,3,3), a );
a = t.transform( new Coordinate(0,0,1) );
assertEquals( new Coordinate(1,2,4), a );
}
t = new Transformation(new Coordinate(2,3,4));
{
Coordinate a = t.transform( new Coordinate(1,0,0) );
assertEquals( new Coordinate(3,3,4), a );
a = t.transform( new Coordinate(0,1,0) );
assertEquals( new Coordinate(2,4,4), a );
a = t.transform( new Coordinate(0,0,1) );
assertEquals( new Coordinate(2,3,5), a );
}
// FIXME - is this correct? shouldn't a rotation preserve coordinate length?
t = Transformation.rotate_y(0.01);
{
Coordinate a = t.transform( new Coordinate(1,0,0) );
// we need to test individual coordinates due to error.
assertEquals( 1, a.x, .001);
assertEquals( 0, a.y, .001);
assertEquals( -.01, a.z, .001);
a = t.transform( new Coordinate(0,1,0) );
assertEquals( new Coordinate(0,1,0), a );
a = t.transform( new Coordinate(0,0,1) );
// we need to test individual coordinates due to error.
assertEquals( .01, a.x, .001);
assertEquals( 0, a.y, .001);
assertEquals( 1, a.z, .001);
}
t = new Transformation(-1,0,0);
t = t.applyTransformation(Transformation.rotate_y(0.01));
t = t.applyTransformation(new Transformation(1,0,0));
{
Coordinate a = t.transform( new Coordinate(1,0,0) );
// we need to test individual coordinates due to error.
assertEquals( 1, a.x, .001);
assertEquals( 0, a.y, .001);
assertEquals( -.02, a.z, .001);
a = t.transform( new Coordinate(0,1,0) );
assertEquals( 0, a.x, .001);
assertEquals( 1, a.y, .001);
assertEquals( -.01, a.z, .001);
a = t.transform( new Coordinate(0,0,1) );
// we need to test individual coordinates due to error.
assertEquals( .01, a.x, .001);
assertEquals( 0, a.y, .001);
assertEquals( .99, a.z, .001);
}
}
}