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

138 lines
2.8 KiB

// ArduinoJson - https://arduinojson.org
// Copyright © 2014-2024, Benoit BLANCHON
// MIT License
#include <ArduinoJson.h>
#include <stdint.h>
#include <catch.hpp>
#include <array>
#include <string>
#include <vector>
namespace ArduinoJson {
template <typename T>
struct Converter<std::vector<T>> {
static void toJson(const std::vector<T>& src, JsonVariant dst) {
JsonArray array = dst.to<JsonArray>();
for (T item : src)
array.add(item);
}
static std::vector<T> fromJson(JsonVariantConst src) {
std::vector<T> dst;
for (T item : src.as<JsonArrayConst>())
dst.push_back(item);
return dst;
}
static bool checkJson(JsonVariantConst src) {
JsonArrayConst array = src;
bool result = array;
for (JsonVariantConst item : array)
result &= item.is<T>();
return result;
}
};
template <typename T, size_t N>
struct Converter<std::array<T, N>> {
static void toJson(const std::array<T, N>& src, JsonVariant dst) {
JsonArray array = dst.to<JsonArray>();
for (T item : src)
array.add(item);
}
static std::array<T, N> fromJson(JsonVariantConst src) {
std::array<T, N> dst;
dst.fill(0);
size_t idx = 0;
for (T item : src.as<JsonArrayConst>())
dst[idx++] = item;
return dst;
}
static bool checkJson(JsonVariantConst src) {
JsonArrayConst array = src;
bool result = array;
size_t size = 0;
for (JsonVariantConst item : array) {
result &= item.is<T>();
size++;
}
return result && size == N;
}
};
} // namespace ArduinoJson
TEST_CASE("vector<int>") {
SECTION("toJson") {
std::vector<int> v = {1, 2};
JsonDocument doc;
doc.set(v);
REQUIRE(doc.as<std::string>() == "[1,2]");
}
SECTION("fromJson") {
JsonDocument doc;
doc.add(1);
doc.add(2);
auto v = doc.as<std::vector<int>>();
REQUIRE(v.size() == 2);
CHECK(v[0] == 1);
CHECK(v[1] == 2);
}
SECTION("checkJson") {
JsonDocument doc;
CHECK(doc.is<std::vector<int>>() == false);
doc.add(1);
doc.add(2);
CHECK(doc.is<std::vector<int>>() == true);
doc.add("foo");
CHECK(doc.is<std::vector<int>>() == false);
}
}
TEST_CASE("array<int, 2>") {
typedef std::array<int, 2> array_type;
SECTION("toJson") {
array_type v;
v[0] = 1;
v[1] = 2;
JsonDocument doc;
doc.set(v);
REQUIRE(doc.as<std::string>() == "[1,2]");
}
SECTION("fromJson") {
JsonDocument doc;
doc.add(1);
doc.add(2);
auto v = doc.as<array_type>();
REQUIRE(v.size() == 2);
CHECK(v[0] == 1);
CHECK(v[1] == 2);
}
SECTION("checkJson") {
JsonDocument doc;
CHECK(doc.is<array_type>() == false);
doc.add(1);
CHECK(doc.is<array_type>() == false);
doc.add(2);
CHECK(doc.is<array_type>() == true);
doc[0] = "foo";
CHECK(doc.is<array_type>() == false);
}
}