X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=test%2Fjalview%2Futil%2FMappingUtilsTest.java;fp=test%2Fjalview%2Futil%2FMappingUtilsTest.java;h=dd789d6d5a1b0ceb0dbb3c9b0f57f8e05df01996;hb=b055047e4c383cd11d8d86c5e75dc4f0e425d6ef;hp=097ccd4900741de81b93f066204323ac3703fca4;hpb=60418a01c0fd5c38fba873b3a275e503ed3e29e6;p=jalview.git

diff --git a/test/jalview/util/MappingUtilsTest.java b/test/jalview/util/MappingUtilsTest.java
index 097ccd4..dd789d6 100644
--- a/test/jalview/util/MappingUtilsTest.java
+++ b/test/jalview/util/MappingUtilsTest.java
@@ -24,6 +24,7 @@ import static org.testng.AssertJUnit.assertEquals;
 import static org.testng.AssertJUnit.assertFalse;
 import static org.testng.AssertJUnit.assertSame;
 import static org.testng.AssertJUnit.assertTrue;
+import static org.testng.AssertJUnit.fail;
 
 import jalview.api.AlignViewportI;
 import jalview.commands.EditCommand;
@@ -1284,4 +1285,33 @@ public class MappingUtilsTest
     assertEquals(1, ranges.size());
     assertEquals(9, ranges.get(0)[1]);
   }
+  
+  @Test(groups = "Functional")
+  public void testListToArray()
+  {
+    List<int[]> ranges = new ArrayList<>();
+    
+    int[] result = MappingUtils.listToArray(ranges);
+    assertEquals(result.length, 0);
+    ranges.add(new int[] {24, 12});
+    result = MappingUtils.listToArray(ranges);
+    assertEquals(result.length, 2);
+    assertEquals(result[0], 24);
+    assertEquals(result[1], 12);
+    ranges.add(new int[] {-7, 30});
+    result = MappingUtils.listToArray(ranges);
+    assertEquals(result.length, 4);
+    assertEquals(result[0], 24);
+    assertEquals(result[1], 12);
+    assertEquals(result[2], -7);
+    assertEquals(result[3], 30);
+    try
+    {
+      MappingUtils.listToArray(null);
+      fail("Expected exception");
+    } catch (NullPointerException e)
+    {
+      // expected
+    }
+  }
 }