1 files changed, 24 insertions, 0 deletions
diff --git a/tests/test54.c b/tests/test54.c
new file mode 100644
index 000000000..5faaa9e92
--- /dev/null
+++ b/tests/test54.c
@@ -0,0 +1,24 @@
+#include <stdio.h>
+#include "utstring.h"
+
+int main()
+{
+    UT_string *s, *t;
+
+    utstring_new(s);
+    utstring_new(t);
+
+    utstring_printf(s, "hello " );
+    utstring_printf(s, "world " );
+
+    utstring_printf(t, "hi " );
+    utstring_printf(t, "there " );
+
+    utstring_concat(s, t);
+    printf("length: %u\n", (unsigned)utstring_len(s));
+    printf("%s\n", utstring_body(s));
+
+    utstring_free(s);
+    utstring_free(t);
+    return 0;
+}