diff --git a/run_tests.bat b/run_tests.bat
new file mode 100644
index 0000000..2477e55
--- /dev/null
+++ b/run_tests.bat
@@ -0,0 +1,7 @@
+@echo off
+setlocal
+if not exist claro.exe (
+  call build.bat
+  if errorlevel 1 exit /b 1
+)
+claro.exe test