/*
 * 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.set.sorted.mutable;

import java.util.Collections;
import java.util.Comparator;
import java.util.SortedSet;
import java.util.TreeSet;

import com.gs.collections.api.LazyIterable;
import com.gs.collections.api.set.sorted.MutableSortedSet;
import com.gs.collections.impl.list.mutable.FastList;
import com.gs.collections.impl.test.Verify;
import org.junit.Assert;
import org.junit.Test;

public class TreeSortedSetTest extends AbstractSortedSetTestCase
{
    @Override
    protected <T> TreeSortedSet<T> newWith(T... elements)
    {
        return TreeSortedSet.newSetWith(elements);
    }

    @Override
    protected <T> TreeSortedSet<T> newWith(Comparator<? super T> comparator, T... elements)
    {
        return TreeSortedSet.newSetWith(comparator, elements);
    }

    @Override
    @Test
    public void asSynchronized()
    {
        Verify.assertInstanceOf(SynchronizedSortedSet.class, this.newWith().asSynchronized());
    }

    @Override
    @Test
    public void asUnmodifiable()
    {
        Verify.assertInstanceOf(UnmodifiableSortedSet.class, this.newWith().asUnmodifiable());
    }

    @Test
    public void sortedSetIterableConstructor()
    {
        TreeSortedSet<Integer> sortedSetA = TreeSortedSet.newSet(Collections.<Integer>reverseOrder());
        TreeSortedSet<Integer> sortedSetB = TreeSortedSet.newSet(sortedSetA.with(1).with(2, 3).with(4, 5, 6));
        Verify.assertSortedSetsEqual(sortedSetA, sortedSetB);
        Assert.assertTrue(sortedSetA.first().equals(sortedSetB.first()) && sortedSetB.first() == 6);
        Verify.assertSortedSetsEqual(sortedSetB, new TreeSortedSet<>(sortedSetB));
    }

    @Test
    public void sortedSetConstructor()
    {
        SortedSet<String> setA = new TreeSet<>(FastList.newListWith("a", "c", "b", "d"));
        Verify.assertSortedSetsEqual(setA, TreeSortedSet.newSet(setA));
        Verify.assertSortedSetsEqual(setA, new TreeSortedSet<>(setA));
    }

    @Test
    public void iterableConstructor()
    {
        LazyIterable<Integer> integerLazyIterable = FastList.newListWith(2, 4, 1, 3).asLazy();
        TreeSortedSet<Integer> sortedSet = TreeSortedSet.newSet(integerLazyIterable);
        Verify.assertSortedSetsEqual(TreeSortedSet.newSetWith(1, 2, 3, 4), sortedSet);
    }

    @Test
    public void serialization()
    {
        MutableSortedSet<Integer> set = this.newWith(1, 2, 3, 4, 5);
        Verify.assertPostSerializedEqualsAndHashCode(set);
    }
}