/*
 * Copyright 2014 Goldman Sachs.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.gs.collections.impl.list.mutable;

import java.util.Arrays;
import java.util.LinkedList;

import com.gs.collections.api.list.MutableList;
import com.gs.collections.impl.test.Verify;
import org.junit.Assert;
import org.junit.Test;

/**
 * JUnit test for {@link ListAdapter}.
 */
public class ListAdapterTest extends AbstractListTestCase
{
    @Override
    protected <T> ListAdapter<T> newWith(T... littleElements)
    {
        return new ListAdapter<>(new LinkedList<>(FastList.newListWith(littleElements)));
    }

    @Test(expected = NullPointerException.class)
    public void null_throws()
    {
        new ListAdapter<>(null);
    }

    @Override
    @Test
    public void testClone()
    {
        MutableList<Integer> list = this.newWith(1, 2, 3);
        MutableList<Integer> list2 = list.clone();
        Verify.assertListsEqual(list, list2);
    }

    @Test
    @Override
    public void subList()
    {
        // Not serializable

        MutableList<String> list = this.newWith("A", "B", "C", "D");
        MutableList<String> sublist = list.subList(1, 3);
        Verify.assertEqualsAndHashCode(sublist, sublist);
        Verify.assertSize(2, sublist);
        Verify.assertContainsAll(sublist, "B", "C");
        sublist.add("X");
        Verify.assertSize(3, sublist);
        Verify.assertContainsAll(sublist, "B", "C", "X");
        Verify.assertSize(5, list);
        Verify.assertContainsAll(list, "A", "B", "C", "X", "D");
        sublist.remove("X");
        Verify.assertContainsAll(sublist, "B", "C");
        Verify.assertContainsAll(list, "A", "B", "C", "D");
        Assert.assertEquals("C", sublist.set(1, "R"));
        Verify.assertContainsAll(sublist, "B", "R");
        Verify.assertContainsAll(list, "A", "B", "R", "D");
        sublist.addAll(Arrays.asList("W", "G"));
        Verify.assertContainsAll(sublist, "B", "R", "W", "G");
        Verify.assertContainsAll(list, "A", "B", "R", "W", "G", "D");
        sublist.clear();
        Verify.assertEmpty(sublist);
        Verify.assertContainsAll(list, "A", "D");
    }

    @Override
    @Test
    public void withMethods()
    {
        super.withMethods();

        Verify.assertContainsAll(this.newWith(1).with(2, 3), 1, 2, 3);
        Verify.assertContainsAll(this.newWith(1).with(2, 3, 4), 1, 2, 3, 4);
        Verify.assertContainsAll(this.newWith(1).with(2, 3, 4, 5), 1, 2, 3, 4, 5);
    }

    @Override
    @Test
    public void getWithArrayIndexOutOfBoundsException()
    {
        Object item = new Object();

        Verify.assertThrows(IndexOutOfBoundsException.class, () -> this.newWith(item).get(-1));
    }

    @Test
    public void adaptNull()
    {
        Verify.assertThrows(NullPointerException.class, () -> new ListAdapter<>(null));
        Verify.assertThrows(NullPointerException.class, () -> ListAdapter.adapt(null));
    }
}