diff --git a/tests/file_dependency_test.sh b/tests/file_dependency_test.sh
new file mode 100755
index 0000000..60e5cec
--- /dev/null
+++ b/tests/file_dependency_test.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+
+fail() {
+  >&2 echo "$@"
+  exit 1
+}
+
+[[ -a "external/llvm_toolchain_llvm/bin/clang-format" ]] || fail "bin/clang-format not found"
+
+[[ -a "external/llvm_toolchain_llvm/lib/libc++.a" ]] || fail "lib/libc++.a not found"
+
+echo "SUCCESS!"