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MicroDexed/third-party/ArduinoJson/extras/tests/JsonVariant/memoryUsage.cpp

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// ArduinoJson - https://arduinojson.org
// Copyright © 2014-2022, Benoit BLANCHON
// MIT License
#include <ArduinoJson.h>
#include <catch.hpp>
#include <string>
TEST_CASE("JsonVariant::memoryUsage()") {
DynamicJsonDocument doc(4096);
JsonVariant var = doc.to<JsonVariant>();
SECTION("returns 0 if uninitialized") {
JsonVariant unitialized;
REQUIRE(unitialized.memoryUsage() == 0);
}
SECTION("returns size of object") {
JsonObject obj = var.to<JsonObject>();
obj["hello"] = 42;
REQUIRE(var.memoryUsage() == JSON_OBJECT_SIZE(1));
}
SECTION("returns size of array") {
JsonArray arr = var.to<JsonArray>();
arr.add(42);
REQUIRE(var.memoryUsage() == JSON_ARRAY_SIZE(1));
}
SECTION("returns size of owned string") {
var.set(std::string("hello"));
REQUIRE(var.memoryUsage() == 6);
REQUIRE(var.memoryUsage() == doc.memoryUsage());
}
SECTION("returns size of owned raw") {
var.set(serialized(std::string("hello")));
REQUIRE(var.memoryUsage() == 6);
REQUIRE(var.memoryUsage() == doc.memoryUsage());
}
}