ArduinoJson/test/JsonDeserializer/std_string.cpp

// ArduinoJson - arduinojson.org
// Copyright Benoit Blanchon 2014-2018
// MIT License

#include <ArduinoJson.h>
#include <catch.hpp>

TEST_CASE("deserializeJson(const std::string&)") {
  DynamicJsonDocument doc;

  SECTION("should accept const string") {
    const std::string input("[42]");

    DeserializationError err = deserializeJson(doc, input);

    REQUIRE(err == DeserializationError::Ok);
  }

  SECTION("should accept temporary string") {
    DeserializationError err = deserializeJson(doc, std::string("[42]"));

    REQUIRE(err == DeserializationError::Ok);
  }

  SECTION("should duplicate content") {
    std::string input("[\"hello\"]");

    DeserializationError err = deserializeJson(doc, input);
    input[2] = 'X';  // alter the string tomake sure we made a copy

    JsonArray array = doc.as<JsonArray>();
    REQUIRE(err == DeserializationError::Ok);
    REQUIRE(std::string("hello") == array[0]);
  }
}