Files
ArduinoJson/extras/tests/JsonArray/memoryUsage.cpp
2023-04-07 14:50:54 +02:00

47 lines
1.2 KiB
C++

// ArduinoJson - https://arduinojson.org
// Copyright © 2014-2023, Benoit BLANCHON
// MIT License
#include <ArduinoJson.h>
#include <catch.hpp>
using ArduinoJson::detail::sizeofArray;
using ArduinoJson::detail::sizeofObject;
using ArduinoJson::detail::sizeofString;
TEST_CASE("JsonArray::memoryUsage()") {
JsonDocument doc(4096);
JsonArray arr = doc.to<JsonArray>();
SECTION("return 0 if uninitialized") {
JsonArray unitialized;
REQUIRE(unitialized.memoryUsage() == 0);
}
SECTION("sizeofArray(0) if empty") {
REQUIRE(arr.memoryUsage() == sizeofArray(0));
}
SECTION("sizeofArray(1) after add") {
arr.add("hello");
REQUIRE(arr.memoryUsage() == sizeofArray(1));
}
SECTION("includes the size of the string") {
arr.add(std::string("hello"));
REQUIRE(arr.memoryUsage() == sizeofArray(1) + sizeofString(5));
}
SECTION("includes the size of the nested array") {
JsonArray nested = arr.createNestedArray();
nested.add(42);
REQUIRE(arr.memoryUsage() == 2 * sizeofArray(1));
}
SECTION("includes the size of the nested arrect") {
JsonObject nested = arr.createNestedObject();
nested["hello"] = "world";
REQUIRE(arr.memoryUsage() == sizeofObject(1) + sizeofArray(1));
}
}