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World Wind is a collection of components that interactively display 3D geographic information within Java applications or applets.
/*
* Copyright (C) 2012 United States Government as represented by the Administrator of the
* National Aeronautics and Space Administration.
* All Rights Reserved.
*/
package gov.nasa.worldwind.view;
import gov.nasa.worldwind.geom.*;
import gov.nasa.worldwind.view.orbit.*;
/**
* @author dcollins
* @version $Id: BasicOrbitViewTest.java 1171 2013-02-11 21:45:02Z dcollins $
*/
public class BasicOrbitViewTest extends junit.framework.TestCase
{
/*************************************************************************************************************/
/** Persistence Tests **/
/** ****************************************************************************************************** */
public void testRestore_NewInstance()
{
BasicOrbitView orbitView = new BasicOrbitView();
assignExampleValues(orbitView);
String stateInXml = orbitView.getRestorableState();
orbitView = new BasicOrbitView();
orbitView.restoreState(stateInXml);
BasicOrbitView expected = new BasicOrbitView();
assignExampleValues(expected);
assertEquals(expected, orbitView);
}
public void testRestore_SameInstance()
{
BasicOrbitView orbitView = new BasicOrbitView();
assignExampleValues(orbitView);
String stateInXml = orbitView.getRestorableState();
assignNullValues(orbitView);
orbitView.restoreState(stateInXml);
BasicOrbitView expected = new BasicOrbitView();
assignExampleValues(expected);
assertEquals(expected, orbitView);
}
public void testRestore_EmptyStateDocument()
{
BasicOrbitView orbitView = new BasicOrbitView();
assignExampleValues(orbitView);
String emptyStateInXml =
"" +
"" +
"10.5 " +
"1000.5 " +
"unknownValue " +
" ";
orbitView.restoreState(partialStateInXml);
BasicOrbitView expected = new BasicOrbitView();
assignNullValues(expected);
expected.setFieldOfView(Angle.fromDegrees(10.5));
expected.setZoom(1000.5);
assertEquals(expected, orbitView);
}
public void testLegacyStateDocument()
{
BasicOrbitView orbitView = new BasicOrbitView();
assignNullValues(orbitView);
String partialStateInXml =
"" +
"" +
"" +
" -1.0 " +
" 1.0 " +
" -40.0 " +
" -20.0 " +
" " +
" -10.0 " +
" 10.0 " +
" 30.0 " +
" 50.0 " +
" " +
" -10.0 " +
" 100.0 " +
" 1000.0 " +
" 2000.0 " +
" " +
" ";
orbitView.restoreState(partialStateInXml);
BasicOrbitView expected = new BasicOrbitView();
assignNullValues(expected);
OrbitViewLimits limits = new BasicOrbitViewLimits();
limits.setCenterLocationLimits(Sector.fromDegrees(-10, 10, 30, 50));
limits.setCenterElevationLimits(-10, 100);
limits.setHeadingLimits(Angle.fromDegrees(-1), Angle.fromDegrees(1));
limits.setPitchLimits(Angle.fromDegrees(-40), Angle.fromDegrees(-20));
limits.setZoomLimits(1000, 2000);
expected.setOrbitViewLimits(limits);
assertEquals(expected, orbitView);
}
public void testRestore_OldVersionStateDocument()
{
BasicOrbitView orbitView = new BasicOrbitView();
String stateInXml =
"" +
"" +
"" +
"-20.5 " +
"30.5 " +
"100.5 " +
" " +
"-40.5 " +
"50.5 " +
"1000.5 " +
"10.5 " +
" ";
orbitView.restoreState(stateInXml);
BasicOrbitView expected = new BasicOrbitView();
expected.setCenterPosition(Position.fromDegrees(-20.5, 30.5, 100.5));
expected.setHeading(Angle.fromDegrees(-40.5));
expected.setPitch(Angle.fromDegrees(50.5));
expected.setZoom(1000.5);
expected.setFieldOfView(Angle.fromDegrees(10.5));
assertEquals(expected, orbitView);
}
/*************************************************************************************************************/
/** Helper Methods **/
/** ****************************************************************************************************** */
@SuppressWarnings({"JavaDoc"})
private static void assignExampleValues(OrbitView orbitView)
{
OrbitViewLimits limits = new BasicOrbitViewLimits();
limits.setCenterLocationLimits(Sector.fromDegrees(-10, 10, 30, 50));
limits.setCenterElevationLimits(-10, 100);
limits.setHeadingLimits(Angle.fromDegrees(-10), Angle.fromDegrees(10));
limits.setPitchLimits(Angle.fromDegrees(20), Angle.fromDegrees(40));
limits.setZoomLimits(1000, 2000);
orbitView.setOrbitViewLimits(limits);
orbitView.setCenterPosition(Position.fromDegrees(-5.5, 30.5, 90.5));
orbitView.setHeading(Angle.fromDegrees(-1.5));
orbitView.setPitch(Angle.fromDegrees(30.5));
orbitView.setZoom(1000.5);
orbitView.setFieldOfView(Angle.fromDegrees(10.5));
orbitView.setDetectCollisions(false);
}
private static void assignNullValues(OrbitView orbitView)
{
orbitView.setCenterPosition(Position.fromDegrees(0.0, 0.0, 0.0));
orbitView.setHeading(Angle.fromDegrees(0.0));
orbitView.setPitch(Angle.fromDegrees(0.0));
orbitView.setZoom(0.0);
orbitView.setFieldOfView(Angle.fromDegrees(0.0));
orbitView.setDetectCollisions(true);
orbitView.setOrbitViewLimits(new BasicOrbitViewLimits());
}
private static void assertEquals(OrbitView expected, OrbitView actual)
{
assertNotNull("Expected is null", expected);
assertNotNull("Actual is null", actual);
assertEquals("center", expected.getCenterPosition(), actual.getCenterPosition());
assertEquals("heading", expected.getHeading(), actual.getHeading());
assertEquals("pitch", expected.getPitch(), actual.getPitch());
assertEquals("zoom", expected.getZoom(), actual.getZoom());
assertEquals("fieldOfView", expected.getFieldOfView(), actual.getFieldOfView());
assertEquals("detectCollisions", expected.isDetectCollisions(), actual.isDetectCollisions());
assertEquals("nearClipDistance", expected.getNearClipDistance(), actual.getNearClipDistance());
assertEquals("farClipDistance", expected.getFarClipDistance(), actual.getFarClipDistance());
assertEquals(expected.getOrbitViewLimits(), actual.getOrbitViewLimits());
}
private static void assertEquals(OrbitViewLimits expected, OrbitViewLimits actual)
{
assertNotNull("Expected is null", expected);
assertNotNull("Actual is null", actual);
assertEquals("centerLocationLimits", expected.getCenterLocationLimits(), actual.getCenterLocationLimits());
for (int i = 0; i < 2; i++)
{
assertEquals("centerElevationLimits[" + i + "]", expected.getCenterElevationLimits()[i],
actual.getCenterElevationLimits()[i]);
assertEquals("headingLimits[" + i + "]", expected.getHeadingLimits()[i], actual.getHeadingLimits()[i]);
assertEquals("pitchLimits[" + i + "]", expected.getPitchLimits()[i], actual.getPitchLimits()[i]);
assertEquals("zoomLimits[" + i + "]", expected.getZoomLimits()[i], actual.getZoomLimits()[i]);
}
}
public static void main(String[] args)
{
new junit.textui.TestRunner().doRun(new junit.framework.TestSuite(BasicOrbitViewTest.class));
}
}