/*
 * Copyright (c) 2021 Goldman Sachs.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * and Eclipse Distribution License v. 1.0 which accompany this distribution.
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 */

package org.eclipse.collections.impl.set.strategy.immutable;

import org.eclipse.collections.api.block.HashingStrategy;
import org.eclipse.collections.api.set.MutableSet;
import org.eclipse.collections.api.set.ParallelUnsortedSetIterable;
import org.eclipse.collections.impl.block.factory.HashingStrategies;
import org.eclipse.collections.impl.lazy.parallel.set.ParallelUnsortedSetIterableTestCase;
import org.eclipse.collections.impl.set.strategy.mutable.UnifiedSetWithHashingStrategy;
import org.junit.Test;

public class ImmutableUnifiedSetWithHashingStrategyParallelSetIterableTest extends ParallelUnsortedSetIterableTestCase
{
    private static final HashingStrategy<Integer> INTEGER_TO_STRING_HASHING_STRATEGY = HashingStrategies.fromFunction(Integer::valueOf);

    @Override
    protected ParallelUnsortedSetIterable<Integer> classUnderTest()
    {
        return this.newWith(1, 2, 2, 3, 3, 3, 4, 4, 4, 4);
    }

    @Override
    protected ParallelUnsortedSetIterable<Integer> newWith(Integer... littleElements)
    {
        return ImmutableUnifiedSetWithHashingStrategy.newSetWith(INTEGER_TO_STRING_HASHING_STRATEGY, littleElements).asParallel(this.executorService, 2);
    }

    @Override
    protected MutableSet<Integer> getExpected()
    {
        return UnifiedSetWithHashingStrategy.newSetWith(INTEGER_TO_STRING_HASHING_STRATEGY, 1, 2, 2, 3, 3, 3, 4, 4, 4, 4);
    }

    @Override
    protected MutableSet<Integer> getExpectedWith(Integer... littleElements)
    {
        return UnifiedSetWithHashingStrategy.newSetWith(INTEGER_TO_STRING_HASHING_STRATEGY, littleElements);
    }

    @Test(expected = IllegalArgumentException.class)
    public void asParallel_small_batch()
    {
        ImmutableUnifiedSetWithHashingStrategy.newSetWith(INTEGER_TO_STRING_HASHING_STRATEGY, 1, 2, 2, 3, 3, 3, 4, 4, 4, 4).asParallel(this.executorService, 0);
    }

    @Test(expected = NullPointerException.class)
    public void asParallel_null_executorService()
    {
        ImmutableUnifiedSetWithHashingStrategy.newSetWith(INTEGER_TO_STRING_HASHING_STRATEGY, 1, 2, 2, 3, 3, 3, 4, 4, 4, 4).asParallel(null, 2);
    }
}
