X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=test%2Fjalview%2Futil%2FMappingUtilsTest.java;h=9239ba596269f43cb57c3468a584e3a055b84346;hb=d043ce47fc710d3eb2629ba926a8a7417bd67d8c;hp=8cb1208bc69a9710cd6f32593cad9124a82305f5;hpb=04c8f7bff663aa469127e9eed4164e02933782f1;p=jalview.git

diff --git a/test/jalview/util/MappingUtilsTest.java b/test/jalview/util/MappingUtilsTest.java
index 8cb1208..9239ba5 100644
--- a/test/jalview/util/MappingUtilsTest.java
+++ b/test/jalview/util/MappingUtilsTest.java
@@ -59,6 +59,7 @@ import jalview.io.FileFormat;
 import jalview.io.FileFormatI;
 import jalview.io.FormatAdapter;
 
+
 public class MappingUtilsTest
 {
   @BeforeClass(alwaysRun = true)
@@ -1450,4 +1451,59 @@ public class MappingUtilsTest
     assertEquals(0, mappedGroup.getStartRes());
     assertEquals(1, mappedGroup.getEndRes()); // two columns
   }
+
+  // new for 2.12
+  @Test(groups = "Functional")
+  public void testAddRange()
+  {
+    int[] range = { 1, 5 };
+    List<int[]> ranges = new ArrayList<>();
+  
+    // add to empty list:
+    MappingUtils.addRange(range, ranges);
+    assertEquals(1, ranges.size());
+    assertSame(range, ranges.get(0));
+  
+    // extend contiguous (same position):
+    MappingUtils.addRange(new int[] { 5, 10 }, ranges);
+    assertEquals(1, ranges.size());
+    assertEquals(1, ranges.get(0)[0]);
+    assertEquals(10, ranges.get(0)[1]);
+  
+    // extend contiguous (next position):
+    MappingUtils.addRange(new int[] { 11, 15 }, ranges);
+    assertEquals(1, ranges.size());
+    assertEquals(1, ranges.get(0)[0]);
+    assertEquals(15, ranges.get(0)[1]);
+  
+    // change direction: range is not merged:
+    MappingUtils.addRange(new int[] { 16, 10 }, ranges);
+    assertEquals(2, ranges.size());
+    assertEquals(16, ranges.get(1)[0]);
+    assertEquals(10, ranges.get(1)[1]);
+  
+    // extend reverse contiguous (same position):
+    MappingUtils.addRange(new int[] { 10, 8 }, ranges);
+    assertEquals(2, ranges.size());
+    assertEquals(16, ranges.get(1)[0]);
+    assertEquals(8, ranges.get(1)[1]);
+  
+    // extend reverse contiguous (next position):
+    MappingUtils.addRange(new int[] { 7, 6 }, ranges);
+    assertEquals(2, ranges.size());
+    assertEquals(16, ranges.get(1)[0]);
+    assertEquals(6, ranges.get(1)[1]);
+  
+    // change direction: range is not merged:
+    MappingUtils.addRange(new int[] { 6, 9 }, ranges);
+    assertEquals(3, ranges.size());
+    assertEquals(6, ranges.get(2)[0]);
+    assertEquals(9, ranges.get(2)[1]);
+  
+    // not contiguous: not merged
+    MappingUtils.addRange(new int[] { 11, 12 }, ranges);
+    assertEquals(4, ranges.size());
+    assertEquals(11, ranges.get(3)[0]);
+    assertEquals(12, ranges.get(3)[1]);
+  }
 }