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ArduinoJson/extras/tests/JsonVariantConst/as.cpp

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// ArduinoJson - https://arduinojson.org
// Copyright © 2014-2024, Benoit BLANCHON
// MIT License
#include <ArduinoJson.h>
#include <stdint.h>
#include <catch.hpp>
#include "Literals.hpp"
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TEST_CASE("JsonVariantConst::as<T>()") {
JsonDocument doc;
JsonVariantConst var = doc.to<JsonVariant>();
doc.set("hello");
REQUIRE(var.as<bool>() == true);
REQUIRE(var.as<long>() == 0L);
REQUIRE(var.as<const char*>() == "hello"_s);
REQUIRE(var.as<std::string>() == "hello"_s);
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}
TEST_CASE("Invalid conversions") {
using namespace ArduinoJson::detail;
JsonVariantConst variant;
CHECK(is_same<decltype(variant.as<int>()), int>::value);
CHECK(is_same<decltype(variant.as<float>()), float>::value);
CHECK(is_same<decltype(variant.as<JsonVariantConst>()),
JsonVariantConst>::value);
CHECK(
is_same<decltype(variant.as<JsonObjectConst>()), JsonObjectConst>::value);
CHECK(is_same<decltype(variant.as<JsonArrayConst>()), JsonArrayConst>::value);
CHECK(is_same<decltype(variant.as<JsonVariant>()),
InvalidConversion<JsonVariantConst, JsonVariant>>::value);
CHECK(is_same<decltype(variant.as<JsonObject>()),
InvalidConversion<JsonVariantConst, JsonObject>>::value);
CHECK(is_same<decltype(variant.as<JsonArray>()),
InvalidConversion<JsonVariantConst, JsonArray>>::value);
}