JAL-147 additions to unit test, check for negative array index

[jalview.git] / test / jalview / datamodel / HiddenSequencesTest.java

diff --git a/test/jalview/datamodel/HiddenSequencesTest.java b/test/jalview/datamodel/HiddenSequencesTest.java
index 5b2bbd4..11b993d 100644 (file)
--- a/test/jalview/datamodel/HiddenSequencesTest.java
+++ b/test/jalview/datamodel/HiddenSequencesTest.java
@@ -208,15 +208,17 @@ public class HiddenSequencesTest
     assertEquals(6, hs.findIndexWithoutHiddenSeqs(9));
 
     /*
-     * hide first sequence only
+     * hide first two sequences
      */
     hs.showAll(null);
     hs.hideSequence(seqs[0]);
-    for (int i = 1; i < height; i++)
+    hs.hideSequence(seqs[1]);
+    assertEquals(-1, hs.findIndexWithoutHiddenSeqs(0));
+    assertEquals(-1, hs.findIndexWithoutHiddenSeqs(1));
+    for (int i = 2; i < height; i++)
     {
-      assertEquals(i - 1, hs.findIndexWithoutHiddenSeqs(i));
+      assertEquals(i - 2, hs.findIndexWithoutHiddenSeqs(i));
     }
-    assertEquals(-1, hs.findIndexWithoutHiddenSeqs(0));
   }
 
   /**