1 files changed, 25 insertions, 0 deletions
diff --git a/testutil/strerror-bad.c b/testutil/strerror-bad.c
new file mode 100644
index 0000000..23d8836
--- /dev/null
+++ b/testutil/strerror-bad.c
@@ -0,0 +1,25 @@
+/* See LICENSE file for copyright and license details. */
+#include "../libsyscalls.h"
+
+#include <stddef.h>
+#include <stdio.h>
+
+
+int
+main(void)
+{
+	size_t count;
+
+#define X(...) 1
+	count = (LIBSYSCALLS_LIST_ERRORS(X, +));
+#undef X
+
+	printf("%s\n", libsyscalls_strerror((enum libsyscalls_error)-1));
+	printf("%s\n", libsyscalls_strerror((enum libsyscalls_error)count));
+
+	if (fflush(stdout) || fclose(stdout)) {
+		perror(NULL);
+		return 1;
+	}
+	return 0;
+}