1 files changed, 34 insertions, 0 deletions
diff --git a/libj2_not_j2u.c b/libj2_not_j2u.c
new file mode 100644
index 0000000..2a59b50
--- /dev/null
+++ b/libj2_not_j2u.c
@@ -0,0 +1,34 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+#ifndef TEST
+
+extern inline void libj2_not_j2u(struct libj2_j2u *a);
+/* TODO Add man page */
+
+
+#else
+
+int
+main(void)
+{
+	struct libj2_j2u a;
+
+	a.high = 0;
+	a.low = 0;
+	libj2_not_j2u(&a);
+	EXPECT(a.high == UINTMAX_MAX);
+	EXPECT(a.low == UINTMAX_MAX);
+	libj2_not_j2u(&a);
+	EXPECT(a.high == 0);
+	EXPECT(a.low == 0);
+
+	a.high = UINTMAX_C(0x45FF23);
+	a.low = UINTMAX_C(0x5245FBA4);
+	libj2_not_j2u(&a);
+	EXPECT(a.high == ~(uintmax_t)UINTMAX_C(0x45FF23));
+	EXPECT(a.low == ~(uintmax_t)UINTMAX_C(0x5245FBA4));
+
+	return 0;
+}
+
+#endif