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MicroDexed/third-party/ArduinoJson/extras/tests/Cpp11/nullptr.cpp

47 lines
988 B

#include <ArduinoJson.h>
#include <catch.hpp>
#if !ARDUINOJSON_HAS_NULLPTR
# error ARDUINOJSON_HAS_NULLPTR must be set to 1
#endif
TEST_CASE("nullptr") {
DynamicJsonDocument doc(4096);
JsonVariant variant = doc.to<JsonVariant>();
SECTION("JsonVariant == nullptr") {
REQUIRE((variant == nullptr));
REQUIRE_FALSE((variant != nullptr));
}
SECTION("JsonVariant != nullptr") {
variant.set(42);
REQUIRE_FALSE((variant == nullptr));
REQUIRE((variant != nullptr));
}
SECTION("JsonVariant.set(nullptr)") {
variant.set(42);
variant.set(nullptr);
REQUIRE(variant.isNull());
}
SECTION("JsonVariant.set(nullptr) with unbound reference") {
JsonVariant unboundReference;
unboundReference.set(nullptr);
REQUIRE(variant.isNull());
}
SECTION("JsonVariant.is<nullptr_t>()") {
variant.set(42);
REQUIRE(variant.is<std::nullptr_t>() == false);
variant.clear();
REQUIRE(variant.is<std::nullptr_t>() == true);
}
}