diff --git a/tests/ClientConfigTest.php b/tests/ClientConfigTest.php
new file mode 100644
index 0000000..9e252d3
--- /dev/null
+++ b/tests/ClientConfigTest.php
@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types=1);
+
+use Nsq\Config\ClientConfig;
+use PHPUnit\Framework\TestCase;
+
+final class ClientConfigTest extends TestCase
+{
+    public function testInvalidCompression(): void
+    {
+        $this->expectException(InvalidArgumentException::class);
+        $this->expectExceptionMessage('Client cannot enable both [snappy] and [deflate]');
+
+        new ClientConfig(deflate: true, snappy: true);
+    }
+}