lrand48 regression test

[libc-test] / src / regression / lrand48-signextend.c

diff --git a/src/regression/lrand48-signextend.c b/src/regression/lrand48-signextend.c
new file mode 100644 (file)
index 0000000..8a1dae6
--- /dev/null
+++ b/src/regression/lrand48-signextend.c
@@ -0,0 +1,15 @@
+// lrand48 should give deterministic results
+#include <stdlib.h>
+#include "test.h"
+
+int main(void)
+{
+       long r;
+       r = lrand48();
+       if (r != 0) t_error("1st lrand48() got %ld want 0\n", r);
+       r = lrand48();
+       if (r != 2116118) t_error("2nd lrand48() got %ld want 2116118\n", r);
+       r = lrand48();
+       if (r != 89401895) t_error("3rd lrand48() got %ld want 89401895\n", r);
+       return t_status;
+}