/*
 * Copyright 2017, TeamDev Ltd. All rights reserved.
 *
 * Redistribution and use in source and/or binary forms, with or without
 * modification, must retain the above copyright notice and the following
 * disclaimer.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.spine3.server.storage.jdbc.util;

import org.junit.Test;

import java.util.HashSet;
import java.util.Set;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.spine3.test.Tests.hasPrivateParameterlessCtor;

/**
 * @author Dmytro Dashenkov.
 */
public class CloseablesShould {

    @Test
    public void have_private_constructor() {
        assertTrue(hasPrivateParameterlessCtor(Closeables.class));
    }

    @SuppressWarnings("MethodWithMultipleLoops") // Two loops - one for data set up and one for checks
    @Test
    public void close_all_passed_instances() {
        final int count = 10;
        final Set<StatefulClosable> closeables = new HashSet<>(count);
        for (int i = 0; i < count; i++) {
            closeables.add(new StatefulClosable());
        }

        Closeables.closeAll(closeables);

        for (StatefulClosable sc : closeables) {
            assertTrue(sc.closed);
        }
    }

    private static class StatefulClosable implements AutoCloseable {

        private boolean closed = false;

        @Override
        public void close() throws Exception {
            assertFalse(closed);
            closed = true;
        }
    }
}

/*
 * Copyright 2017, TeamDev Ltd. All rights reserved.
 *
 * Redistribution and use in source and/or binary forms, with or without
 * modification, must retain the above copyright notice and the following
 * disclaimer.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.spine3.server.storage.jdbc.util;

import org.junit.Test;

import java.util.HashSet;
import java.util.Set;

import static java.util.Collections.singleton;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.spine3.test.Tests.hasPrivateParameterlessCtor;

/**
 * @author Dmytro Dashenkov.
 */
public class CloseablesShould {

    @Test
    public void have_private_constructor() {
        assertTrue(hasPrivateParameterlessCtor(Closeables.class));
    }

    @SuppressWarnings("MethodWithMultipleLoops") // Two loops - one for data set up and one for checks
    @Test
    public void close_all_passed_instances() {
        final int count = 10;
        final Set<StatefulClosable> closeables = new HashSet<>(count);
        for (int i = 0; i < count; i++) {
            closeables.add(new StatefulClosable());
        }

        Closeables.closeAll(closeables);

        for (StatefulClosable sc : closeables) {
            assertTrue(sc.closed);
        }
    }

    @Test(expected = IllegalStateException.class)
    public void throw_Illegal_state_on_failure() {
        final AutoCloseable closeable = new FaultyClosable();
        Closeables.closeAll(singleton(closeable));
    }

    private static class StatefulClosable implements AutoCloseable {

        private boolean closed = false;

        @Override
        public void close() throws Exception {
            assertFalse(closed);
            closed = true;
        }
    }

    private static class FaultyClosable implements AutoCloseable {

        @Override
        public void close() throws Exception {
            throw new RuntimeException("Fault!");
        }
    }
}

Add one more `Closeables` test.