Test for issue Webklex#420 added

Author: Webklex

tests/issues/Issue420Test.php

@@ -0,0 +1,31 @@
+<?php
+/*
+* File: Issue355Test.php
+* Category: -
+* Author: M.Goldenbaum
+* Created: 10.01.23 10:48
+* Updated: -
+*
+* Description:
+*  -
+*/
+
+namespace Tests\issues;
+
+use PHPUnit\Framework\TestCase;
+use Webklex\PHPIMAP\Config;
+use Webklex\PHPIMAP\Header;
+
+class Issue420Test extends TestCase {
+
+    public function testIssue() {
+        $raw_header = "Subject: =?UTF-8?B?VGlja2V0IE5vOiBb7aC97bOpMTddIE1haWxib3ggSW5ib3ggLSAoMTcpIEluY29taW5nIGZhaWxlZCBtZXNzYWdlcw==?=\r\n";
+
+        $header = new Header($raw_header, Config::make());
+        $subject = $header->get("subject");
+
+        // Ticket No: [��17] Mailbox Inbox - (17) Incoming failed messages
+        $this->assertEquals('Ticket No: [??17] Mailbox Inbox - (17) Incoming failed messages', utf8_decode($subject->toString()));
+    }
+
+}