Add a test

.gitignore

@@ -1,3 +1,4 @@
 .idea/
 vendor/
-composer.lock
+composer.lock
+tests/test.config.php

tests/test.php

@@ -0,0 +1,40 @@
+<?php
+
+require_once __DIR__ . '/../vendor/autoload.php';
+require_once __DIR__ . '/test.config.php';
+
+use jrosset\PHPMailerEnhanced\PHPMailerEnhanced;
+
+try {
+    $mail = new PHPMailerEnhanced();
+    //$mail->SMTPDebug = SMTP::DEBUG_SERVER;
+
+    $mail->isSMTP();
+    $mail->Host = MAIL_HOST;
+    $mail->Port = MAIL_PORT;
+    $mail->SMTPAuth = MAIL_AUTH;
+    $mail->SMTPSecure = MAIL_SECURITY;
+    $mail->Username = MAIL_USER;
+    $mail->Password = MAIL_PASS;
+
+    $mail->isHTML();
+    $mail->Subject = 'Test';
+    $mail->Body = <<<'HTML'
+<p>Hello,</p>
+<p>This is a test mail for PHPMailerEnhanced.</p>
+<p>
+    Here is an embed image : 
+    <br><img src="/test.jpg" alt="Bird image">
+</p>
+<p>Best regards.</p>
+HTML;
+
+    $mail->setFrom(MAIL_SENDER);
+    $mail->addAddress(MAIL_DEST);
+
+    var_dump($mail->send(__DIR__));
+}
+catch (Throwable $exception) {
+    var_dump($exception->getMessage());
+    exit;
+}