JAL-3725 helper methods for computing mapped feature range overlap

[jalview.git] / test / jalview / util / MappingUtilsTest.java

diff --git a/test/jalview/util/MappingUtilsTest.java b/test/jalview/util/MappingUtilsTest.java
index 3418f3c..4b7c75c 100644 (file)
--- a/test/jalview/util/MappingUtilsTest.java
+++ b/test/jalview/util/MappingUtilsTest.java
@@ -22,9 +22,10 @@ package jalview.util;
 
 import static org.testng.AssertJUnit.assertEquals;
 import static org.testng.AssertJUnit.assertFalse;
+import static org.testng.AssertJUnit.assertNull;
 import static org.testng.AssertJUnit.assertSame;
 import static org.testng.AssertJUnit.assertTrue;
-import static org.testng.AssertJUnit.fail;
+import static org.testng.internal.junit.ArrayAsserts.assertArrayEquals;
 
 import java.awt.Color;
 import java.io.IOException;
@@ -1329,31 +1330,20 @@ public class MappingUtilsTest
   }
 
   @Test(groups = "Functional")
-  public void testListToArray()
+  public void testFindOverlap()
   {
     List<int[]> ranges = new ArrayList<>();
-
-    int[] result = MappingUtils.rangeListToArray(ranges);
-    assertEquals(result.length, 0);
-    ranges.add(new int[] { 24, 12 });
-    result = MappingUtils.rangeListToArray(ranges);
-    assertEquals(result.length, 2);
-    assertEquals(result[0], 24);
-    assertEquals(result[1], 12);
-    ranges.add(new int[] { -7, 30 });
-    result = MappingUtils.rangeListToArray(ranges);
-    assertEquals(result.length, 4);
-    assertEquals(result[0], 24);
-    assertEquals(result[1], 12);
-    assertEquals(result[2], -7);
-    assertEquals(result[3], 30);
-    try
-    {
-      MappingUtils.rangeListToArray(null);
-      fail("Expected exception");
-    } catch (NullPointerException e)
-    {
-      // expected
-    }
+    ranges.add(new int[] { 4, 8 });
+    ranges.add(new int[] { 10, 12 });
+    ranges.add(new int[] { 16, 19 });
+
+    int[] overlap = MappingUtils.findOverlap(ranges, 5, 13);
+    assertArrayEquals(overlap, new int[] { 5, 12 });
+    overlap = MappingUtils.findOverlap(ranges, -100, 100);
+    assertArrayEquals(overlap, new int[] { 4, 19 });
+    overlap = MappingUtils.findOverlap(ranges, 7, 17);
+    assertArrayEquals(overlap, new int[] { 7, 17 });
+    overlap = MappingUtils.findOverlap(ranges, 13, 15);
+    assertNull(overlap);
   }
 }