diff --git a/test/toy.c b/test/toy.c
new file mode 100644
index 0000000..0bfbe70
--- /dev/null
+++ b/test/toy.c
@@ -0,0 +1,16 @@
+#include <assert.h>
+
+int main() {
+  int a = 20;
+  if (a < 10) {
+    assert(0);
+  }
+
+  if (a > 100) {
+    assert(0);
+  }
+
+  if (a != 20) {
+    assert(0);
+  }
+}