ArduinoJson/test/JsonArray/remove.cpp

// Copyright Benoit Blanchon 2014-2017
// MIT License
//
// Arduino JSON library
// https://bblanchon.github.io/ArduinoJson/
// If you like this project, please add a star!

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

TEST_CASE("JsonArray::remove()") {
  DynamicJsonBuffer _jsonBuffer;
  JsonArray& _array = _jsonBuffer.createArray();
  _array.add(1);
  _array.add(2);
  _array.add(3);

  SECTION("RemoveFirstByIndex") {
    _array.remove(0);

    REQUIRE(2 == _array.size());
    REQUIRE(_array[0] == 2);
    REQUIRE(_array[1] == 3);
  }

  SECTION("RemoveMiddleByIndex") {
    _array.remove(1);

    REQUIRE(2 == _array.size());
    REQUIRE(_array[0] == 1);
    REQUIRE(_array[1] == 3);
  }

  SECTION("RemoveLastByIndex") {
    _array.remove(2);

    REQUIRE(2 == _array.size());
    REQUIRE(_array[0] == 1);
    REQUIRE(_array[1] == 2);
  }

  SECTION("RemoveFirstByIterator") {
    JsonArray::iterator it = _array.begin();
    _array.remove(it);

    REQUIRE(2 == _array.size());
    REQUIRE(_array[0] == 2);
    REQUIRE(_array[1] == 3);
  }

  SECTION("RemoveMiddleByIterator") {
    JsonArray::iterator it = _array.begin();
    ++it;
    _array.remove(it);

    REQUIRE(2 == _array.size());
    REQUIRE(_array[0] == 1);
    REQUIRE(_array[1] == 3);
  }

  SECTION("RemoveLastByIterator") {
    JsonArray::iterator it = _array.begin();
    ++it;
    ++it;
    _array.remove(it);

    REQUIRE(2 == _array.size());
    REQUIRE(_array[0] == 1);
    REQUIRE(_array[1] == 2);
  }
}