Port tests to windows and add to cmake build.

tests/test_req_strict.cpp

@@ -17,13 +17,14 @@
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#include "../include/zmq_utils.h"
 #include <stdio.h>
-#include <unistd.h>
 #include <time.h>
 #include "testutil.hpp"
 
 int main (void)
 {
+    setup_test_environment();
     void *ctx = zmq_ctx_new ();
     assert (ctx);
 
@@ -57,9 +58,7 @@ int main (void)
     //  We have to give the connects time to finish otherwise the requests
     //  will not properly round-robin. We could alternatively connect the
     //  REQ sockets to the REP sockets.
-    struct timespec t = { 0, 250 * 1000000 };
-    nanosleep (&t, NULL);
-
+    zmq_sleep(1);
 
     //  Case 1: Second send() before a reply arrives in a pipe.