#include "s0018_4sum.hpp"

#include <gtest/gtest.h>

TEST(Problem18, Case1) {
  vector<int> nums{1, 0, -1, 0, -2, 2};
  int target{0};
  vector<vector<int>> sum{{-2, -1, 1, 2}, {-2, 0, 0, 2}, {-1, 0, 0, 1}};
  S0018 solution;
  EXPECT_EQ(solution.fourSum(nums, target), sum);
}

TEST(Problem18, Case2) {
  vector<int> nums{2, 2, 2, 2, 2};
  int target{8};
  vector<vector<int>> sum{{2, 2, 2, 2}};
  S0018 solution;
  EXPECT_EQ(solution.fourSum(nums, target), sum);
}