1 files changed, 31 insertions, 0 deletions
diff --git a/demo.cc b/demo.cc
index 542db5e..62bdeed 100644
--- a/demo.cc
+++ b/demo.cc
@@ -1,7 +1,38 @@
+#include <cstdlib>
 #include <dux/io.h>
 #include <dux/thr.h>
 #include <iostream>
 
 int main() {
 	::std::cout << "dux " << dux_api << '.' << dux_ext << ", demo" << ::std::endl;
+
+	::dux_err err = ::dux_err_oky;
+
+	auto const chkerr = [&err](char const * const msg) noexcept {
+		if (err != ::dux_err_oky) {
+			::std::cout << msg << ": " << ::dux_errmsg(err) << ::std::endl;
+			::std::exit(EXIT_FAILURE);
+		}
+	};
+
+	err = ::dux_crtdir("testdir",0755u);
+	chkerr("unable to create directory");
+
+	::dux_fil * fil = nullptr;
+
+	err = ::dux_crt(&fil,"testdir/dux-demo-file",0644u);
+	chkerr("unable to create file");
+
+	err = ::dux_wrtstr(fil,
+		"static void msg(void);\n"
+		"\n"
+		"int main(void) {\n"
+		"\tmsg();\n"
+		"\treturn 0x45;\n"
+		"}\n"
+	);
+	chkerr("unable to write to file");
+
+	err = ::dux_cls(fil);
+	chkerr("unable to close file");
 }