/*
 * 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.lazy.parallel.set;

import com.gs.collections.api.block.function.Function;
import com.gs.collections.api.set.ParallelUnsortedSetIterable;
import com.gs.collections.impl.block.factory.HashingStrategies;
import com.gs.collections.impl.block.factory.IntegerPredicates;
import com.gs.collections.impl.block.function.NegativeIntervalFunction;
import com.gs.collections.impl.set.mutable.UnifiedSet;
import com.gs.collections.impl.set.strategy.mutable.UnifiedSetWithHashingStrategy;
import org.junit.Assert;
import org.junit.Test;

public class UnifiedSetWithHashingStrategyParallelCollectDistinctTest extends ParallelUnsortedSetIterableTestCase
{
    @Override
    protected ParallelUnsortedSetIterable<Integer> classUnderTest()
    {
        return this.newWith(11, 21, 22, 31, 32, 33, 41, 42, 43, 44);
    }

    @Override
    protected ParallelUnsortedSetIterable<Integer> newWith(Integer... littleElements)
    {
        return (ParallelUnsortedSetIterable<Integer>) UnifiedSetWithHashingStrategy.newSetWith(HashingStrategies.defaultStrategy(), littleElements)
                .asParallel(this.executorService, this.batchSize)
                .collect(i -> i / 10)
                .asUnique();
    }

    @Override
    protected UnifiedSet<Integer> getExpectedWith(Integer... littleElements)
    {
        return UnifiedSetWithHashingStrategy.newSetWith(HashingStrategies.defaultStrategy(), littleElements)
                .collect(i -> i / 10);
    }

    @Test
    @Override
    public void groupBy()
    {
        Function<Integer, Boolean> isOddFunction = object -> IntegerPredicates.isOdd().accept(object);

        Assert.assertEquals(
                this.getExpected().toSet().groupBy(isOddFunction),
                this.classUnderTest().groupBy(isOddFunction));
    }

    @Test
    @Override
    public void groupByEach()
    {
        Assert.assertEquals(
                this.getExpected().toSet().groupByEach(new NegativeIntervalFunction()),
                this.classUnderTest().groupByEach(new NegativeIntervalFunction()));
    }
}