diff --git a/tests/io_test.cpp b/tests/io_test.cpp
index e8b1c5d..7caaa6f 100644
--- a/tests/io_test.cpp
+++ b/tests/io_test.cpp
@@ -47,6 +47,14 @@ int main() {
         assert(output.str()=="A string");
     }
     
+    {
+        stringstream output;
+        stringstream content("A string");
+        auto r=client.request("POST", "/string", content);
+        output << r->content.rdbuf();
+        assert(output.str()=="A string");
+    }
+    
     {
         stringstream output;
         auto r=client.request("GET", "/info", "", {{"Test Parameter", "test value"}});