1 files changed, 30 insertions, 2 deletions
diff --git a/tests/test/simple/generated/driver.cxx b/tests/test/simple/generated/driver.cxx
index 1d911df..18fd0ae 100644
--- a/tests/test/simple/generated/driver.cxx
+++ b/tests/test/simple/generated/driver.cxx
@@ -1,24 +1,52 @@
 // file      : tests/test/simple/generated/driver.cxx -*- C++ -*-
 // license   : MIT; see accompanying LICENSE file
 
+#ifndef _WIN32
+#  include <chrono>
+#  include <thread>
+#else
+#  include <libbutl/win32-utility.hxx>
+#endif
+
 #include <string>
 #include <fstream>
 #include <iostream>
 
 using namespace std;
 
+// If the -s option is specified, then also sleep for 5 seconds.
+//
 int
 main (int argc, char* argv[])
 {
+  int i (1);
+  for (; i != argc; ++i)
+  {
+    string a (argv[i]);
+
+    if (a == "-s")
+    {
+      // MINGW GCC 4.9 doesn't implement this_thread so use Win32 Sleep().
+      //
+#ifndef _WIN32
+      this_thread::sleep_for (chrono::seconds (5));
+#else
+      Sleep (5000);
+#endif
+    }
+    else
+      break;
+  }
+
   int r (0);
 
-  if (argc == 1)
+  if (i == argc)
   {
     cout << "1.2.3" << endl;
   }
   else
   {
-    ifstream ifs (argv[1]);
+    ifstream ifs (argv[i]);
 
     if (!ifs.is_open ())
       cerr << "unable to open " << argv[1] << endl;