#include "LinkedList.h"
#include <boost/test/unit_test.hpp>

using namespace Kylin;

class LinkedListTest {
public:
    LinkedList<size_t> list{0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
};

BOOST_AUTO_TEST_SUITE(LinkedListTestCase)
BOOST_FIXTURE_TEST_CASE(At, LinkedListTest) { BOOST_CHECK_EQUAL(list.at(5), 5); }

BOOST_FIXTURE_TEST_CASE(Size, LinkedListTest) { BOOST_CHECK_EQUAL(list.size(), 10); }

BOOST_FIXTURE_TEST_CASE(Last, LinkedListTest) { BOOST_CHECK_EQUAL(list.last(), 9); }

BOOST_FIXTURE_TEST_CASE(EmptyListCallLastCauseException, LinkedListTest) {
    LinkedList<size_t> emptyList;

    BOOST_CHECK_THROW(emptyList.last(), InvalidOperationException);
}

BOOST_FIXTURE_TEST_CASE(CallLastAfterRemoveLastElement, LinkedListTest) {
    list.removeAt(list.size() - 1);
    BOOST_CHECK_EQUAL(list.last(), 8);
}

BOOST_FIXTURE_TEST_CASE(RemoveAt, LinkedListTest) {
    list.removeAt(3);
    BOOST_CHECK_EQUAL(list.at(3), 4);
    BOOST_CHECK_EQUAL(list.length(), 9);
}

BOOST_FIXTURE_TEST_CASE(Clear, LinkedListTest) {
    list.clear();
    BOOST_CHECK_EQUAL(list.length(), 0);
}

BOOST_FIXTURE_TEST_CASE(IndexOf, LinkedListTest) { BOOST_CHECK_EQUAL(list.indexOf(5), 5); }

BOOST_FIXTURE_TEST_CASE(Append, LinkedListTest) {
    list.append(198);
    BOOST_CHECK_EQUAL(list.length(), 11);
    BOOST_CHECK_EQUAL(list.at(10), 198);
}

BOOST_FIXTURE_TEST_CASE(InsertToIndexLessThenSize, LinkedListTest) {
    list.insert(4, 456);
    BOOST_CHECK_EQUAL(list.length(), 11);
    BOOST_CHECK_EQUAL(list.at(4), 456);
    BOOST_CHECK_EQUAL(list.at(5), 4);
}

BOOST_FIXTURE_TEST_CASE(InsertToIndexEuqalSize, LinkedListTest) {
    list.insert(list.size(), 456);
    BOOST_CHECK_EQUAL(list.length(), 11);
    BOOST_CHECK_EQUAL(list.at(list.size() - 1), 456);
}

BOOST_FIXTURE_TEST_CASE(Swap, LinkedListTest) {
    Kylin::LinkedList<size_t> list2;
    for (size_t i = 0; i < 5; i++) {
        list2.insert(list2.length(), i + 10);
    }

    list2.swap(list);

    BOOST_CHECK_EQUAL(list.size(), 5);
    BOOST_CHECK_EQUAL(list2.size(), 10);

    for (size_t i = 0; i < 5; i++) {
        BOOST_CHECK_EQUAL(list.at(i), i + 10);
    }

    for (size_t i = 0; i < 10; i++) {
        BOOST_CHECK_EQUAL(list2.at(i), i);
    }
}

BOOST_FIXTURE_TEST_CASE(CopyConstructor, LinkedListTest) {
    auto list2(list);
    BOOST_CHECK_EQUAL(list2.size(), 10);
    BOOST_CHECK_EQUAL(list2[9], 9);
}

BOOST_FIXTURE_TEST_CASE(MoveConstructor, LinkedListTest) {
    auto list2(std::move(list));
    BOOST_CHECK_EQUAL(list.empty(), true);
    BOOST_CHECK_EQUAL(list2.size(), 10);
    BOOST_CHECK_EQUAL(list2[9], 9);
}

BOOST_FIXTURE_TEST_CASE(Iterator, LinkedListTest) {
    size_t value = 0;
    for (const auto &v : list) {
        BOOST_CHECK_EQUAL(v, value++);
    }
    BOOST_CHECK_EQUAL(value, 10);
}
BOOST_AUTO_TEST_SUITE_END()