Short types

[ccan] / ccan / short_types / test / run.c

diff --git a/ccan/short_types/test/run.c b/ccan/short_types/test/run.c
new file mode 100644 (file)
index 0000000..a78d56c
--- /dev/null
+++ b/ccan/short_types/test/run.c
@@ -0,0 +1,38 @@
+#include "short_types/short_types.h"
+#include "tap/tap.h"
+#include <stdlib.h>
+#include <err.h>
+
+int main(int argc, char *argv[])
+{
+       plan_tests(22);
+
+       ok1(sizeof(u64) == 8);
+       ok1(sizeof(s64) == 8);
+       ok1(sizeof(u32) == 4);
+       ok1(sizeof(s32) == 4);
+       ok1(sizeof(u16) == 2);
+       ok1(sizeof(s16) == 2);
+       ok1(sizeof(u8) == 1);
+       ok1(sizeof(s8) == 1);
+
+       ok1(sizeof(be64) == 8);
+       ok1(sizeof(be32) == 4);
+       ok1(sizeof(be16) == 2);
+
+       ok1(sizeof(le64) == 8);
+       ok1(sizeof(le32) == 4);
+       ok1(sizeof(le16) == 2);
+
+       /* Signedness tests. */
+       ok1((u64)-1 > 0);
+       ok1((u32)-1 > 0);
+       ok1((u16)-1 > 0);
+       ok1((u8)-1 > 0);
+       ok1((s64)-1 < 0);
+       ok1((s32)-1 < 0);
+       ok1((s16)-1 < 0);
+       ok1((s8)-1 < 0);
+
+       return exit_status();
+}