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#define ARDUINOJSON_ENABLE_NAN 1
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#include <ArduinoJson.h>
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#include <catch.hpp>
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#include <limits>
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namespace my {
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using ArduinoJson::detail::isnan;
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} // namespace my
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TEST_CASE("ARDUINOJSON_ENABLE_NAN == 1") {
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DynamicJsonDocument doc(4096);
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JsonObject root = doc.to<JsonObject>();
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SECTION("serializeJson()") {
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root["X"] = std::numeric_limits<double>::signaling_NaN();
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std::string json;
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serializeJson(doc, json);
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REQUIRE(json == "{\"X\":NaN}");
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}
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SECTION("deserializeJson()") {
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DeserializationError err = deserializeJson(doc, "{\"X\":NaN}");
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float x = doc["X"];
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REQUIRE(err == DeserializationError::Ok);
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REQUIRE(my::isnan(x));
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}
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}
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