+
+ @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);
+ }