Big rejig of library tests

Includes full consistency between C/C++ library tests

test/lib/cpp/03-request-response-1.cpp

@@ -0,0 +1,83 @@
+#include <cassert>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+
+#include <mosquittopp.h>
+
+#define QOS 0
+
+static int run = -1;
+
+class mosquittopp_test : public mosqpp::mosquittopp
+{
+	public:
+		mosquittopp_test(const char *id);
+
+		void on_connect(int rc);
+		void on_message(const struct mosquitto_message *msg);
+		void on_subscribe(int mid, int qos_count, const int *granted_qos);
+};
+
+mosquittopp_test::mosquittopp_test(const char *id) : mosqpp::mosquittopp(id)
+{
+}
+
+void mosquittopp_test::on_connect(int rc)
+{
+	if(rc){
+		exit(1);
+	}else{
+		subscribe(NULL, "response/topic", QOS);
+	}
+}
+
+void mosquittopp_test::on_subscribe(int mid, int qos_count, const int *granted_qos)
+{
+	mosquitto_property *props = NULL;
+
+	(void)mid;
+	if(qos_count != 1 || granted_qos[0] != QOS){
+		abort();
+	}
+
+	if(mosquitto_property_add_string(&props, MQTT_PROP_RESPONSE_TOPIC, "response/topic")){
+		abort();
+	}
+	publish_v5(NULL, "request/topic", 6, "action", 0, 0, props);
+	mosquitto_property_free_all(&props);
+}
+
+void mosquittopp_test::on_message(const struct mosquitto_message *msg)
+{
+	if(!strcmp((char *)msg->payload, "a response")){
+		run = 0;
+	}else{
+		run = 1;
+	}
+}
+
+int main(int argc, char *argv[])
+{
+	struct mosquittopp_test *mosq;
+
+	assert(argc == 2);
+	int port = atoi(argv[1]);
+
+	mosqpp::lib_init();
+
+	mosq = new mosquittopp_test("request-test");
+	mosq->int_option(MOSQ_OPT_PROTOCOL_VERSION, 5);
+
+	mosq->connect("localhost", port, 60);
+
+	while(run == -1){
+		mosq->loop();
+	}
+
+	delete mosq;
+	mosqpp::lib_cleanup();
+
+	return 1;
+}
+