JAL-1270 test added

diff --git a/test/jalview/datamodel/ColumnSelectionTest.java b/test/jalview/datamodel/ColumnSelectionTest.java
index 228156a..97ef079 100644 (file)
--- a/test/jalview/datamodel/ColumnSelectionTest.java
+++ b/test/jalview/datamodel/ColumnSelectionTest.java
@@ -45,4 +45,31 @@ public class ColumnSelectionTest
     assertEquals(1, sel.size());
     assertEquals(new Integer(5), sel.get(0));
   }
+
+  /**
+   * Test the method that finds the visible column position of an alignment
+   * column, allowing for hidden columns.
+   */
+  @Test
+  public void testFindColumnPosition()
+  {
+    ColumnSelection cs = new ColumnSelection();
+    assertEquals(5, cs.findColumnPosition(5));
+
+    // hiding column 6 makes no difference
+    cs.hideColumns(6, 6);
+    assertEquals(5, cs.findColumnPosition(5));
+
+    // hiding column 5 makes no difference
+    cs.hideColumns(5, 5);
+    assertEquals(5, cs.findColumnPosition(5));
+
+    // hiding column 4 moves column 5 to column 4
+    cs.hideColumns(4, 4);
+    assertEquals(4, cs.findColumnPosition(5));
+
+    // hiding columns 1 and 2 moves column 5 to column 2
+    cs.hideColumns(1, 2);
+    assertEquals(2, cs.findColumnPosition(5));
+  }
 }