package jalview.viewmodel;

import static org.testng.Assert.assertEquals;

import jalview.analysis.AlignmentGenerator;
import jalview.datamodel.AlignmentI;

import org.testng.annotations.Test;

public class ViewportRangesTest {

  AlignmentGenerator gen = new AlignmentGenerator(false);

  AlignmentI al = gen.generate(20, 30, 1, 5, 5);

  @Test
  public void testViewportRanges() 
  {
    ViewportRanges vr = new ViewportRanges(al);
    
    assertEquals(vr.getStartRes(),0);
    assertEquals(vr.getEndRes(), al.getWidth()-1);
    assertEquals(vr.getStartSeq(), 0);
    assertEquals(vr.getEndSeq(), al.getHeight() - 1);
  }

  @Test
  public void testGetAbsoluteAlignmentHeight()
  {
    ViewportRanges vr = new ViewportRanges(al);

    assertEquals(vr.getAbsoluteAlignmentHeight(), al.getHeight());

    al.getHiddenSequences().hideSequence(al.getSequenceAt(3));
    assertEquals(vr.getAbsoluteAlignmentHeight(), al.getHeight() + 1);
  }

  @Test
  public void testGetAbsoluteAlignmentWidth()
  {
    ViewportRanges vr = new ViewportRanges(al);
    assertEquals(vr.getAbsoluteAlignmentWidth(), al.getWidth());
  }

  @Test
  public void testSetEndRes()
  {
    ViewportRanges vr = new ViewportRanges(al);
    vr.setEndRes(-1);
    assertEquals(vr.getEndRes(), 0);

    vr.setEndRes(al.getWidth());
    assertEquals(vr.getEndRes(), al.getWidth() - 1);

    vr.setEndRes(al.getWidth() - 1);
    assertEquals(vr.getEndRes(), al.getWidth() - 1);
  }

  @Test
  public void testSetEndSeq()
  {
    ViewportRanges vr = new ViewportRanges(al);
    vr.setEndSeq(-1);
    assertEquals(vr.getEndSeq(), 0);

    vr.setEndSeq(al.getHeight());
    assertEquals(vr.getEndSeq(), al.getHeight() - 1);

    vr.setEndRes(al.getHeight() - 1);
    assertEquals(vr.getEndSeq(), al.getHeight() - 1);
  }

  @Test
  public void testSetStartRes()
  {
    ViewportRanges vr = new ViewportRanges(al);
    vr.setStartRes(-1);
    assertEquals(vr.getStartRes(), 0);

    vr.setStartRes(al.getWidth());
    assertEquals(vr.getStartRes(), al.getWidth() - 1);

    vr.setStartRes(al.getWidth() - 1);
    assertEquals(vr.getStartRes(), al.getWidth() - 1);
  }

  @Test
  public void testSetStartSeq()
  {
    ViewportRanges vr = new ViewportRanges(al);
    vr.setStartSeq(-1);
    assertEquals(vr.getStartSeq(), 0);

    vr.setStartSeq(al.getHeight());
    assertEquals(vr.getStartSeq(), al.getHeight() - 1);

    vr.setStartSeq(al.getHeight() - 1);
    assertEquals(vr.getStartSeq(), al.getHeight() - 1);
  }
}