[Yunq] Add a basic yunq test into libyunq.

lib/yunq/test/yunq_test.cpp

@@ -0,0 +1,23 @@
+#include <catch2/catch_test_macros.hpp>
+
+#include "example/example.yunq.h"
+
+TEST_CASE("Basic Setter/Getter", "[yunq]") {
+  ex::Basic b;
+  b.set_field(1);
+  REQUIRE(b.field() == 1);
+}
+
+TEST_CASE("Basic serialization", "[yunq]") {
+  ex::Basic a;
+  a.set_field(1);
+
+  glcr::ByteBuffer buf(1024);
+  a.SerializeToBytes(buf, 0);
+
+  ex::Basic b;
+  yunq::MessageView v(buf, 0);
+  REQUIRE(b.ParseFromBytes(v).ok() == true);
+
+  REQUIRE(b.field() == 1);
+}