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/*
 * Copyright (c) 2021, the SerenityOS developers.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <AK/TestSuite.h>

#include <AK/SinglyLinkedList.h>

static SinglyLinkedList<int> make_list()
{
    SinglyLinkedList<int> list {};
    list.append(0);
    list.append(1);
    list.append(2);
    list.append(3);
    list.append(4);
    list.append(5);
    list.append(6);
    list.append(7);
    list.append(8);
    list.append(9);
    return list;
}

TEST_CASE(should_find_mutable)
{
    auto sut = make_list();

    EXPECT_EQ(4, *sut.find(4));

    EXPECT_EQ(sut.end(), sut.find(42));
}

TEST_CASE(should_find_mutable_with_predicate)
{
    auto sut = make_list();

    EXPECT_EQ(4, *sut.find_if([](const auto v) { return v == 4; }));

    EXPECT_EQ(sut.end(), sut.find_if([](const auto v) { return v == 42; }));
}

TEST_CASE(should_find_const)
{
    const auto sut = make_list();

    EXPECT_EQ(4, *sut.find(4));

    EXPECT_EQ(sut.end(), sut.find(42));
}

TEST_CASE(should_find_const_with_predicate)
{
    const auto sut = make_list();

    EXPECT_EQ(4, *sut.find_if([](const auto v) { return v == 4; }));

    EXPECT_EQ(sut.end(), sut.find_if([](const auto v) { return v == 42; }));
}

TEST_MAIN(SinglyLinkedList)