package org.lcsim.detector.converter.compact;
   
   import java.io.InputStream;
   
   import junit.framework.TestCase;
   import junit.framework.TestSuite;
   
   import org.lcsim.detector.IDetectorElement;
   import org.lcsim.detector.IDetectorElementContainer;
  import org.lcsim.geometry.Detector;
  import org.lcsim.geometry.GeometryReader;
  import org.lcsim.geometry.Subdetector;
  
  /**
   * 
   * Perform tests on the detailed geometry of an 
   * 
   * @see org.lcsim.geometry.subdetector.MultiLayerTracker 
   * 
   * @author Jeremy McCormick <jeremym@slac.stanford.edu>
   *
   */
  public class MultiLayerTrackerTest
  extends TestCase
  {
      private Detector detector;
      
      public MultiLayerTrackerTest(String name)
      {
          super(name);
      }
      
      public static junit.framework.Test suite()
      {
          return new TestSuite(MultiLayerTrackerTest.class);
      }
      
      private static final String resource = 
          "/org/lcsim/detector/converter/compact/MultiLayerTrackerTest.xml";
      
      public void setUp()
      {
          InputStream in = 
              this.getClass().
              getResourceAsStream(resource);
          
          GeometryReader reader = new GeometryReader();
          
          try {
              detector = reader.read(in);
          }
          catch ( Throwable x )
          {
              throw new RuntimeException(x);
          }
      }
  
      public void testLayers()
      {
          Subdetector compact = detector.getSubdetector("MultiLayerTracker");
          IDetectorElement subdet = compact.getDetectorElement();
          IDetectorElementContainer layers = subdet.getChildren();
          assertEquals("Expected number of sensors is wrong!",layers.size(),2);
          IDetectorElement layer = layers.get(0);
          try {
          	assertEquals(layer.getIdentifierHelper().getValue(layer.getIdentifier(), "system"),compact.getIDDecoder().getSystemNumber());
          	assertEquals(layer.getIdentifierHelper().getValue(layer.getIdentifier(), "barrel"),0);
          	assertTrue(layers.get(0).getIdentifierHelper().getValue(layers.get(0).getIdentifier(), "layer") == 0);
          	assertTrue(layers.get(1).getIdentifierHelper().getValue(layers.get(1).getIdentifier(), "layer") == 1);
          }
          catch (Exception x)
          {
          	throw new RuntimeException(x);
          }
      }
  }