1 files changed, 14 insertions, 0 deletions
diff --git a/pkgs/test/make-binary-wrapper/invalid-env.c b/pkgs/test/make-binary-wrapper/invalid-env.c
new file mode 100644
index 000000000000..4dfd36fb68a0
--- /dev/null
+++ b/pkgs/test/make-binary-wrapper/invalid-env.c
@@ -0,0 +1,14 @@
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#define assert_success(e) do { if ((e) < 0) { perror(#e); abort(); } } while (0)
+
+int main(int argc, char **argv) {
+    putenv("==TEST1");
+    #error Illegal environment variable name `=` (cannot contain `=`)
+    assert_success(setenv("", "TEST2", 0));
+    #error Environment variable name can't be empty.
+    argv[0] = "/send/me/flags";
+    return execv("/send/me/flags", argv);
+}