diff --git a/tests/shell.shebang.expr b/tests/shell.shebang.expr
new file mode 100755
index 000000000..51aef0839
--- /dev/null
+++ b/tests/shell.shebang.expr
@@ -0,0 +1,4 @@
+#! @ENV_PROG@ nix-shell
+#! nix-shell -E "with (import ./shell.nix {}); runCommand \"hi\" {buildInputs = [ruby];} \"\""
+#! nix-shell --pure -i ruby
+puts ARGV[1]