#include "gtest/gtest.h"

#include "data_structures/concurrent/concurrent_list.hpp"

TEST(ConncurentList, Insert) {
  ConcurrentList<int> list;
  auto it = list.begin();
  it.push(32);
  it.reset();
  ASSERT_EQ(*it, 32);
}

TEST(ConncurentList, Iterate) {
  ConcurrentList<int> list;
  auto it = list.begin();
  it.push(32);
  it.push(7);
  it.push(9);
  it.push(0);
  it.reset();

  ASSERT_EQ(*it, 0);
  it++;
  ASSERT_EQ(*it, 9);
  it++;
  ASSERT_EQ(*it, 7);
  it++;
  ASSERT_EQ(*it, 32);
  it++;
  ASSERT_EQ(it, list.end());
}

TEST(ConncurentList, RemoveHead) {
  ConcurrentList<int> list;
  auto it = list.begin();
  it.push(32);
  it.reset();

  ASSERT_EQ(it.remove(), true);
  ASSERT_EQ(it.is_removed(), true);
  ASSERT_EQ(!it.remove(), true);

  it.reset();
  ASSERT_EQ(it, list.end());
}

TEST(ConncurentList, Remove) {
  ConcurrentList<int> list;
  auto it = list.begin();
  it.push(32);
  it.push(7);
  it.push(9);
  it.push(0);
  it.reset();

  it++;
  it++;
  ASSERT_EQ(it.remove(), true);
  ASSERT_EQ(it.is_removed(), true);
  ASSERT_EQ(!it.remove(), true);

  it.reset();
  ASSERT_EQ(*it, 0);
  it++;
  ASSERT_EQ(*it, 9);
  it++;
  ASSERT_EQ(*it, 32);
  it++;
  ASSERT_EQ(it, list.end());
}

int main(int argc, char **argv) {
  ::testing::InitGoogleTest(&argc, argv);
  return RUN_ALL_TESTS();
}