/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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 groovy.concurrent

import org.junit.jupiter.api.Test

import static groovy.test.GroovyAssert.assertScript

final class ParallelScopeTest {

    @Test
    void testWithPoolThreadCount() {
        assertScript '''
            import groovy.concurrent.ParallelScope

            def result = ParallelScope.withPool(4) { scope ->
                def tasks = (1..4).collect { n -> scope.async { n * 10 } }
                tasks.collect { await(it) }
            }
            assert result == [10, 20, 30, 40]
        '''
    }

    @Test
    void testWithPoolInstance() {
        assertScript '''
            import groovy.concurrent.ParallelScope
            import groovy.concurrent.Pool

            def pool = Pool.fixed(2)
            def result = ParallelScope.withPool(pool) { scope ->
                def a = scope.async { 'hello' }
                def b = scope.async { 'world' }
                "${await(a)} ${await(b)}"
            }
            assert result == 'hello world'
            pool.close()
        '''
    }
}
