#define ARDUINOJSON_USE_DOUBLE 0 #include #include TEST_CASE("ARDUINOJSON_USE_DOUBLE == 0") { JsonDocument doc; JsonObject root = doc.to(); root["pi"] = 3.14; root["e"] = 2.72; std::string json; serializeJson(doc, json); REQUIRE(json == "{\"pi\":3.14,\"e\":2.72}"); }