diff --git a/tests/test_gateway.py b/tests/test_gateway.py
new file mode 100644
index 0000000..9b898c0
--- /dev/null
+++ b/tests/test_gateway.py
@@ -0,0 +1,11 @@
+from routeforge.gateway import Gateway
+
+
+def test_default_provider():
+    gw = Gateway()
+    assert gw.route().name == "gemini"
+
+
+def test_explicit_provider():
+    gw = Gateway()
+    assert gw.route("claude").name == "claude"