Second commit

Signed-off-by: Mattias Andrée <m@maandree.se>

1 files changed, 40 insertions, 0 deletions

diff --git a/libj2_j2u_has_ju.c b/libj2_j2u_has_ju.c
new file mode 100644
index 0000000..b531c50
--- /dev/null
+++ b/libj2_j2u_has_ju.c
@@ -0,0 +1,40 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+#ifndef TEST
+
+extern inline int libj2_j2u_has_ju(const struct libj2_j2u *a, uintmax_t b);
+/* TODO Add man page */
+
+
+#else
+
+int
+main(void)
+{
+	struct libj2_j2u a;
+	uintmax_t h, i, j, b;
+	int expected;
+
+	for (h = 0; h < 10; h++) {
+		a.high = h;
+		for (i = 0; i < 128; i++) {
+			a.low = i;
+			for (b = 0; b < 128; b++) {
+				expected = 1;
+				for (j = 0; j < LIBJ2_JU_BIT; j++) {
+					if (((b & ~a.low) >> j) & 1U) {
+						expected = 0;
+						break;
+					}
+				}
+				EXPECT(libj2_j2u_has_ju(&a, b) == expected);
+				EXPECT(a.high == h);
+				EXPECT(a.low == i);
+			}
+		}
+	}
+
+	return 0;
+}
+
+#endif