Fix: This is impossible due that the start parameter has to be "$start < 0 || $end < 0 || $end < $start"

Author: JBlond

lib/jblond/Diff.php

@@ -217,11 +217,6 @@ public function getArrayRange(array $array, int $start = 0, ?int $end = null): a
             return $array;
         }
 
-        if ($end === null) {
-            //Return single element.
-            return array_slice($array, $start, 1);
-        }
-
         //Return range of elements.
         $length = $end - $start;
 

tests/DiffTest.php

@@ -142,10 +142,25 @@ public function testGetStatistics()
     public function testGetArrayRange()
     {
         $this->assertEquals(
-            [5,6],
+            [5, 6],
             $this->diff->getArrayRange([2,5,6],1, 3)
         );
 
+        $this->assertEquals(
+            [2, 5, 6],
+            $this->diff->getArrayRange([2,5,6],0, 3)
+        );
+
+        $this->assertEquals(
+            [2, 5, 6],
+            $this->diff->getArrayRange([2,5,6],0, null)
+        );
+
+        $this->assertEquals(
+            [2, 5, 6],
+            $this->diff->getArrayRange([2,5,6],1, null)
+        );
+
         $this->expectException(OutOfRangeException::class);
         $this->diff->getArrayRange([1,5],5);
     }