X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=test%2Fjalview%2Fdatamodel%2FAllRowsIteratorTest.java;h=90ed891011e13b3829f63e9825379a5339e3c638;hb=383fd91269f510b189450fbe174e9c051103c7eb;hp=fd1d29d67c81a45b43d3f01ff9e620b14f3b1ee3;hpb=2ca081eebf90c6731cd79bde140ca2fecc9c9644;p=jalview.git

diff --git a/test/jalview/datamodel/AllRowsIteratorTest.java b/test/jalview/datamodel/AllRowsIteratorTest.java
index fd1d29d..90ed891 100644
--- a/test/jalview/datamodel/AllRowsIteratorTest.java
+++ b/test/jalview/datamodel/AllRowsIteratorTest.java
@@ -34,9 +34,9 @@ public class AllRowsIteratorTest
 {
   AlignmentI al;
 
-  Hashtable<SequenceI, SequenceCollectionI> hiddenRepSequences = new Hashtable<SequenceI, SequenceCollectionI>();
+  Hashtable<SequenceI, SequenceCollectionI> hiddenRepSequences = new Hashtable<>();
 
-  @BeforeClass
+  @BeforeClass(alwaysRun = true)
   public void setup()
   {
     // create random alignment
@@ -110,4 +110,21 @@ public class AllRowsIteratorTest
 
     hiddenRepSequences.put(allseqs[start], theseSeqs);
   }
+
+  /*
+   * Test iterator behaves correctly when there is only one element in the collection
+   */
+  @Test(groups = { "Functional" })
+  public void testOneElement()
+  {
+    AllRowsIterator it = new AllRowsIterator(0, 0, al);
+    int count = 0;
+    while (it.hasNext())
+    {
+      it.next();
+      count++;
+    }
+    assertTrue(count == 1, "hasNext() is false after 1 iteration");
+  }
+
 }