JAL-2388 ViewportRanges unit test

diff --git a/test/jalview/viewmodel/ViewportRangesTest.java b/test/jalview/viewmodel/ViewportRangesTest.java
new file mode 100644 (file)
index 0000000..cfd03cd
--- /dev/null
+++ b/test/jalview/viewmodel/ViewportRangesTest.java
@@ -0,0 +1,100 @@
+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);
+  }
+}