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Implemented reference semantics for JsonVariant

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Benoit Blanchon
2018-08-21 17:56:16 +02:00
parent 0454bd1ef6
commit 9cbc891816
53 changed files with 1196 additions and 839 deletions
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65
test/JsonVariant/copy.cpp
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// ArduinoJson - arduinojson.org
// Copyright Benoit Blanchon 2014-2018
// MIT License
#include <ArduinoJson.h>
#include <catch.hpp>
TEST_CASE("JsonVariant copy") {
JsonVariant _variant1;
JsonVariant _variant2;
SECTION("IntegersAreCopiedByValue") {
_variant1 = 123;
_variant2 = _variant1;
_variant1 = 456;
REQUIRE(123 == _variant2.as<int>());
}
SECTION("DoublesAreCopiedByValue") {
_variant1 = 123.45;
_variant2 = _variant1;
_variant1 = 456.78;
REQUIRE(123.45 == _variant2.as<double>());
}
SECTION("BooleansAreCopiedByValue") {
_variant1 = true;
_variant2 = _variant1;
_variant1 = false;
REQUIRE(_variant2.as<bool>());
}
SECTION("StringsAreCopiedByValue") {
_variant1 = "hello";
_variant2 = _variant1;
_variant1 = "world";
REQUIRE(std::string("hello") == _variant2.as<const char*>());
}
SECTION("ObjectsAreCopiedByReference") {
DynamicJsonDocument doc;
JsonObject object = doc.to<JsonObject>();
_variant1 = object;
object["hello"] = "world";
REQUIRE(1 == _variant1.as<JsonObject>().size());
}
SECTION("ArraysAreCopiedByReference") {
DynamicJsonDocument doc;
JsonArray array = doc.to<JsonArray>();
_variant1 = array;
array.add("world");
REQUIRE(1 == _variant1.as<JsonArray>().size());
}
}