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 *  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,
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 *  "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
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package bugs

import org.junit.jupiter.api.Test

final class Groovy3818 {

    @Test
    void testCreatingSimilarSetandMapWithComparator() {
        def scompare = { a, b -> a.id <=> b.id } as Comparator

        def set = new TreeSet( scompare )

        set << [name: 'Han Solo',       id: 1]
        set << [name: 'Luke Skywalker', id: 2]
        set << [name: 'L. Skywalker',   id: 3]

        def result = set.findAll { elt -> elt.name =~ /Sky/ }
        assert result.size() == 2

        result = set.grep { elt -> elt.name =~ /Sky/ }
        assert result.size() == 2

        def mcompare = { a, b -> a.id <=> b.id } as Comparator

        def map = new TreeMap( mcompare )

        map[[name: 'Han Solo', id: 1]] = 'Dummy'
        map[[name: 'Luke Skywalker', id: 2]] = 'Dummy'
        map[[name: 'L. Skywalker',   id: 3]] = 'Dummy'

        result = map.findAll { elt ->elt.key.name =~ /Sky/ }
        assert result.size() == 2
    }
}
