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

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// ArduinoJson - https://arduinojson.org
// Copyright © 2014-2023, Benoit BLANCHON
// MIT License
#include <ArduinoJson.h>
#include <catch.hpp>
TEST_CASE("JsonArray::memoryUsage()") {
DynamicJsonDocument doc(4096);
JsonArray arr = doc.to<JsonArray>();
SECTION("return 0 if uninitialized") {
JsonArray unitialized;
REQUIRE(unitialized.memoryUsage() == 0);
}
SECTION("JSON_ARRAY_SIZE(0) if empty") {
REQUIRE(arr.memoryUsage() == JSON_ARRAY_SIZE(0));
}
SECTION("JSON_ARRAY_SIZE(1) after add") {
arr.add("hello");
REQUIRE(arr.memoryUsage() == JSON_ARRAY_SIZE(1));
}
SECTION("includes the size of the string") {
arr.add(std::string("hello"));
REQUIRE(arr.memoryUsage() == JSON_ARRAY_SIZE(1) + 6);
}
SECTION("includes the size of the nested array") {
JsonArray nested = arr.createNestedArray();
nested.add(42);
REQUIRE(arr.memoryUsage() == 2 * JSON_ARRAY_SIZE(1));
}
SECTION("includes the size of the nested arrect") {
JsonObject nested = arr.createNestedObject();
nested["hello"] = "world";
REQUIRE(arr.memoryUsage() == JSON_OBJECT_SIZE(1) + JSON_ARRAY_SIZE(1));
}
}