X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=test%2Fjalview%2Futil%2FMappingUtilsTest.java;h=ec9ace4b29dd7514033c8e8ac4867619b20ee00d;hb=0f26441e26325c728a3e9a108ac425d4d60dde1c;hp=c86259b78824f8b4049bd1ecfeed63fff20f8193;hpb=3ef44bef1f825d26977dedd1608469712a87fe15;p=jalview.git

diff --git a/test/jalview/util/MappingUtilsTest.java b/test/jalview/util/MappingUtilsTest.java
index c86259b..ec9ace4 100644
--- a/test/jalview/util/MappingUtilsTest.java
+++ b/test/jalview/util/MappingUtilsTest.java
@@ -384,6 +384,15 @@ public class MappingUtilsTest
     assertEquals("[0, 1, 3]", cs.getSelected().toString());
   }
 
+  @Test
+  public void testMapColumnSelection_null() throws IOException
+  {
+    setupMappedAlignments();
+    ColumnSelection cs = MappingUtils.mapColumnSelection(null, dnaView,
+            proteinView);
+    assertTrue("mapped selection not empty", cs.getSelected().isEmpty());
+  }
+
   /**
    * Tests for the method that converts a series of [start, end] ranges to
    * single positions