o.cpp

int main(int argc, char *argv[]) {
   TestDefaultFormatter formatter;
   use_formatter(formatter);

   describe("Test", []{
      it("1 == 1", []{ assert(1).equals(1); });
      it("2 == 1", []{ assert(2).equals(1); });

      describe("with strings", []{
        it("std::string == char*", []{ assert_equals(std::string("a"), "a"); });
        it("char* == char*", []{ assert_equals("a", "a"); });
      });

      it("can catch exceptions", []{
        assert_raises(std::string, []{
          throw std::string("test");
        });
      });
   });

   run_tests();

   return 0;
}