add test case for issue #107

tests/Regression/Github/107/Issue107Test.php

@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Location;
+
+use Location\Distance\Vincenty;
+use Location\Exception\NotConvergingException;
+use Location\Utility\PointToLineDistance;
+use PHPUnit\Framework\TestCase;
+
+class Issue107Test extends TestCase
+{
+    /**
+     * Nearly antipodal points can cause the Vincenty formula to not converge.
+     *
+     * @see http://www.movable-type.co.uk/scripts/latlong-vincenty.html
+     * @see https://archive.ph/jrxcA
+     */
+    public function testForIssue107(): void
+    {
+        $this->expectException(NotConvergingException::class);
+
+        $coordinate1 = new Coordinate(-5.59248, -78.774002);
+        $coordinate2 = new Coordinate(5.79, 101.15);
+
+        $coordinate1->getDistance($coordinate2, new Vincenty());
+    }
+}