JAL-2831 tidies and tests

[jalview.git] / test / jalview / viewmodel / ViewportRangesTest.java

diff --git a/test/jalview/viewmodel/ViewportRangesTest.java b/test/jalview/viewmodel/ViewportRangesTest.java
index 98b1217..41a313f 100644 (file)
--- a/test/jalview/viewmodel/ViewportRangesTest.java
+++ b/test/jalview/viewmodel/ViewportRangesTest.java
@@ -402,14 +402,13 @@ public class ViewportRangesTest {
     assertEquals(vr.getEndRes(), 52);
   }
 
-  // leave until JAL-2388 is merged and we can do without viewport
-  /*@Test(groups = { "Functional" })
+  @Test(groups = { "Functional" })
   public void testScrollToVisible()
   {
     ViewportRanges vr = new ViewportRanges(al);
     vr.setViewportStartAndWidth(12,5);
     vr.setViewportStartAndHeight(10,6);
-    vr.scrollToVisible(13,14)
+    vr.scrollToVisible(13, 14);
     
     // no change
     assertEquals(vr.getStartRes(), 12);
@@ -420,7 +419,15 @@ public class ViewportRangesTest {
     assertEquals(vr.getStartSeq(), 6);
     
     // test for hidden columns too
-  }*/
+    al.getHiddenColumns().hideColumns(1, 3);
+    vr.scrollToVisible(13, 3);
+    assertEquals(vr.getStartRes(), 6);
+    assertEquals(vr.getStartSeq(), 3);
+
+    vr.scrollToVisible(2, 9);
+    assertEquals(vr.getStartRes(), 0);
+    assertEquals(vr.getStartSeq(), 4);
+  }
 
   @Test(groups = { "Functional" })
   public void testEventFiring()
@@ -793,6 +800,136 @@ public class ViewportRangesTest {
       }
     }
   }
+
+  @Test(groups = { "Functional" })
+  public void testScrollUp_wrapped()
+  {
+    /*
+     * alignment 30 tall and 45 wide
+     */
+    AlignmentI al2 = gen.generate(45, 30, 1, 0, 5);
+
+    /*
+     * wrapped view, 5 sequences high, start at sequence offset 1
+     */
+    ViewportRanges vr = new ViewportRanges(al2);
+    vr.setWrappedMode(true);
+    vr.setViewportStartAndHeight(1, 5);
+
+    /*
+     * offset wrapped view to column 3
+     */
+    vr.setStartEndRes(3, 22);
+
+    int startRes = vr.getStartRes();
+    int width = vr.getViewportWidth();
+    assertEquals(startRes, 3);
+    assertEquals(width, 20);
+
+    // in wrapped mode, we change startRes but not startSeq
+    // scroll down:
+    vr.scrollUp(false);
+    assertEquals(vr.getStartSeq(), 1);
+    assertEquals(vr.getStartRes(), 23);
+
+    // scroll up returns to original position
+    vr.scrollUp(true);
+    assertEquals(vr.getStartSeq(), 1);
+    assertEquals(vr.getStartRes(), 3);
+
+    // scroll up again returns to 'origin'
+    vr.scrollUp(true);
+    assertEquals(vr.getStartSeq(), 1);
+    assertEquals(vr.getStartRes(), 0);
+
+    /*
+     * offset 3 columns once more and do some scroll downs
+     */
+    vr.setStartEndRes(3, 22);
+    vr.scrollUp(false);
+    assertEquals(vr.getStartSeq(), 1);
+    assertEquals(vr.getStartRes(), 23);
+    vr.scrollUp(false);
+    assertEquals(vr.getStartSeq(), 1);
+    assertEquals(vr.getStartRes(), 43);
+
+    /*
+     * scroll down beyond end of alignment does nothing
+     */
+    vr.scrollUp(false);
+    assertEquals(vr.getStartSeq(), 1);
+    assertEquals(vr.getStartRes(), 43);
+  }
+
+  @Test(groups = { "Functional" })
+  public void testSetViewportLocation()
+  {
+    AlignmentI al2 = gen.generate(60, 80, 1, 0, 0);
+
+    ViewportRanges vr = new ViewportRanges(al2);
+
+    // start with viewport on 5-14
+    vr.setViewportStartAndWidth(5, 10);
+    assertEquals(vr.getStartRes(), 5);
+    assertEquals(vr.getEndRes(), 14);
+
+    vr.setViewportStartAndHeight(3, 13);
+    assertEquals(vr.getStartSeq(), 3);
+    assertEquals(vr.getEndSeq(), 15);
+
+    // set location to (8,5) - no change
+    vr.setViewportLocation(8, 5);
+    assertEquals(vr.getStartRes(), 5);
+    assertEquals(vr.getEndRes(), 14);
+    assertEquals(vr.getStartSeq(), 3);
+    assertEquals(vr.getEndSeq(), 15);
+
+    // set location to (40,50) - change to top left (40,50)
+    vr.setViewportLocation(40, 50);
+    assertEquals(vr.getStartRes(), 40);
+    assertEquals(vr.getEndRes(), 49);
+    assertEquals(vr.getStartSeq(), 50);
+    assertEquals(vr.getEndSeq(), 62);
+
+    // set location past end of alignment - resets to leftmost pos
+    vr.setViewportLocation(63, 85);
+    assertEquals(vr.getStartRes(), 50);
+    assertEquals(vr.getEndRes(), 59);
+    assertEquals(vr.getStartSeq(), 67);
+    assertEquals(vr.getEndSeq(), 79);
+
+    // hide some columns
+    al2.getHiddenColumns().hideColumns(20, 50);
+    vr.setViewportLocation(55, 4);
+    assertEquals(vr.getStartRes(), 19);
+    assertEquals(vr.getEndRes(), 28);
+    assertEquals(vr.getStartSeq(), 4);
+    assertEquals(vr.getEndSeq(), 16);
+
+    // hide some sequences
+    al2.getHiddenSequences().hideSequence(al2.getSequenceAt(3));
+    al2.getHiddenSequences().hideSequence(al2.getSequenceAt(4));
+    vr.setViewportLocation(17, 5);
+    assertEquals(vr.getStartRes(), 17);
+    assertEquals(vr.getEndRes(), 26);
+    assertEquals(vr.getStartSeq(), 3);
+    assertEquals(vr.getEndSeq(), 15);
+
+    // set wrapped mode
+    vr.setWrappedMode(true);
+    vr.setViewportLocation(1, 8);
+    assertEquals(vr.getStartRes(), 0);
+    assertEquals(vr.getEndRes(), 9);
+    assertEquals(vr.getStartSeq(), 3);
+    assertEquals(vr.getEndSeq(), 15);
+
+    // try further down the alignment
+    vr.setViewportLocation(57, 5);
+    assertEquals(vr.getStartRes(), 20);
+    assertEquals(vr.getEndRes(), 29);
+    assertEquals(vr.getStartSeq(), 3);
+    assertEquals(vr.getEndSeq(), 15);
+  }
 }
 
 // mock listener for property change events