Add tests.

Author: mrcgrtz

tests/ShortenTest.php

@@ -106,4 +106,22 @@ public function testTruncatesMarkupWithHeadingTags(): void
             $shorten->truncateMarkup('<h1>Example Heading</h1>', 7)
         );
     }
+
+    public function testTruncatesMarkupWithDelimiterInTag(): void
+    {
+        $shorten = new Shorten();
+        $this->assertEquals(
+            'Hello world <a href="#" rel="nofollow">li...</a>',
+            $shorten->truncateMarkup('Hello world <a href="#" rel="nofollow">link</a>', 14, '...', true, false)
+        );
+    }
+
+    public function testTruncatesMarkupWithDelimiterInTagWordSafe(): void
+    {
+        $shorten = new Shorten();
+        $this->assertEquals(
+            'Hello world...',
+            $shorten->truncateMarkup('Hello world <a href="#" rel="nofollow">link</a>', 14, '...', true, true)
+        );
+    }
 }