1 files changed, 39 insertions, 0 deletions
diff --git a/libj2_ju_to_j2i.c b/libj2_ju_to_j2i.c
new file mode 100644
index 0000000..fd828d8
--- /dev/null
+++ b/libj2_ju_to_j2i.c
@@ -0,0 +1,39 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+#ifndef TEST
+
+extern inline void libj2_ju_to_j2i(uintmax_t a, struct libj2_j2i *res);
+/* TODO Add man page */
+
+
+#else
+
+int
+main(void)
+{
+	struct libj2_j2i value;
+
+	value = (struct libj2_j2i){1, 2};
+	libj2_ju_to_j2i(0, &value);
+	EXPECT(value.high == 0);
+	EXPECT(value.low == 0);
+
+	value = (struct libj2_j2i){1, 2};
+	libj2_ju_to_j2i(5, &value);
+	EXPECT(value.high == 0);
+	EXPECT(value.low == 5);
+
+	value = (struct libj2_j2i){1, 2};
+	libj2_ju_to_j2i(10, &value);
+	EXPECT(value.high == 0);
+	EXPECT(value.low == 10);
+
+	value = (struct libj2_j2i){1, 2};
+	libj2_ju_to_j2i(UINTMAX_MAX, &value);
+	EXPECT(value.high == 0);
+	EXPECT(value.low == UINTMAX_MAX);
+
+	return 0;
+}
+
+#endif