diff --git a/tests/ext_test.php b/tests/ext_test.php
new file mode 100644
index 0000000..fccfa6e
--- /dev/null
+++ b/tests/ext_test.php
@@ -0,0 +1,42 @@
+<?php
+/**
+ *
+ * Advertisement management. An extension for the phpBB Forum Software package.
+ *
+ * @copyright (c) 2022 phpBB Limited <https://www.phpbb.com>
+ * @license GNU General Public License, version 2 (GPL-2.0)
+ *
+ */
+
+namespace phpbb\ads\tests;
+
+class ext_test extends \phpbb_test_case
+{
+	public function test_ext()
+	{
+		/** @var \PHPUnit\Framework\MockObject\MockObject|\Symfony\Component\DependencyInjection\ContainerInterface */
+		$container = $this->getMockBuilder('\Symfony\Component\DependencyInjection\ContainerInterface')
+			->disableOriginalConstructor()
+			->getMock();
+
+		/** @var \PHPUnit\Framework\MockObject\MockObject|\phpbb\finder */
+		$extension_finder = $this->getMockBuilder('\phpbb\finder')
+			->disableOriginalConstructor()
+			->getMock();
+
+		/** @var \PHPUnit\Framework\MockObject\MockObject|\phpbb\db\migrator */
+		$migrator = $this->getMockBuilder('\phpbb\db\migrator')
+			->disableOriginalConstructor()
+			->getMock();
+
+		$ext = new \phpbb\ads\ext(
+			$container,
+			$extension_finder,
+			$migrator,
+			'phpbb/ads',
+			''
+		);
+
+		self::assertTrue($ext->is_enableable());
+	}
+}