--- /dev/null
+#include "ginac.h"
+#include <iostream>
+using namespace GiNaC;
+
+int main(int argc, char** argv)
+{
+ symbol x("x"), y("y");
+ ex e = x*y;
+ if (!e.info(info_flags::indefinite)) {
+ std::cerr << "eek, product of two symbols is NOT indefinite";
+ return 1;
+ }
+ return 0;
+}