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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

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 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

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/**

 * @test

 * @bug 8037857

 * @summary tests for stream and spliterator factory methods

 * @run testng StreamAndSpliterator

 */

import org.testng.annotations.Test;

import java.util.Arrays;

import java.util.Spliterators;

import org.testng.Assert.ThrowingRunnable;

import static org.testng.Assert.assertThrows;

public class StreamAndSpliterator {

    @Test

    public void testStreamNPEs() {

        assertThrowsNPE(() -> Arrays.stream((int[]) null, 0, 0));

        assertThrowsNPE(() -> Arrays.stream((long[]) null, 0, 0));

        assertThrowsNPE(() -> Arrays.stream((double[]) null, 0, 0));

        assertThrowsNPE(() -> Arrays.stream((String[]) null, 0, 0));

    }

    @Test

    public void testStreamAIOBEs() {

        // origin > fence

        assertThrowsAIOOB(() -> Arrays.stream(new int[]{}, 1, 0));

        assertThrowsAIOOB(() -> Arrays.stream(new long[]{}, 1, 0));

        assertThrowsAIOOB(() -> Arrays.stream(new double[]{}, 1, 0));

        assertThrowsAIOOB(() -> Arrays.stream(new String[]{}, 1, 0));

        // bad origin

        assertThrowsAIOOB(() -> Arrays.stream(new int[]{}, -1, 0));

        assertThrowsAIOOB(() -> Arrays.stream(new long[]{}, -1, 0));

        assertThrowsAIOOB(() -> Arrays.stream(new double[]{}, -1, 0));

        assertThrowsAIOOB(() -> Arrays.stream(new String[]{}, -1, 0));

        // bad fence

        assertThrowsAIOOB(() -> Arrays.stream(new int[]{}, 0, 1));

        assertThrowsAIOOB(() -> Arrays.stream(new long[]{}, 0, 1));

        assertThrowsAIOOB(() -> Arrays.stream(new double[]{}, 0, 1));

        assertThrowsAIOOB(() -> Arrays.stream(new String[]{}, 0, 1));

    }

    @Test

    public void testSpliteratorNPEs() {

        assertThrowsNPE(() -> Arrays.spliterator((int[]) null, 0, 0));

        assertThrowsNPE(() -> Arrays.spliterator((long[]) null, 0, 0));

        assertThrowsNPE(() -> Arrays.spliterator((double[]) null, 0, 0));

        assertThrowsNPE(() -> Arrays.spliterator((String[]) null, 0, 0));

    }

    @Test

    public void testSpliteratorAIOBEs() {

        // origin > fence

        assertThrowsAIOOB(() -> Arrays.spliterator(new int[]{}, 1, 0));

        assertThrowsAIOOB(() -> Arrays.spliterator(new long[]{}, 1, 0));

        assertThrowsAIOOB(() -> Arrays.spliterator(new double[]{}, 1, 0));

        assertThrowsAIOOB(() -> Arrays.spliterator(new String[]{}, 1, 0));

        // bad origin

        assertThrowsAIOOB(() -> Arrays.spliterator(new int[]{}, -1, 0));

        assertThrowsAIOOB(() -> Arrays.spliterator(new long[]{}, -1, 0));

        assertThrowsAIOOB(() -> Arrays.spliterator(new double[]{}, -1, 0));

        assertThrowsAIOOB(() -> Arrays.spliterator(new String[]{}, -1, 0));

        // bad fence

        assertThrowsAIOOB(() -> Arrays.spliterator(new int[]{}, 0, 1));

        assertThrowsAIOOB(() -> Arrays.spliterator(new long[]{}, 0, 1));

        assertThrowsAIOOB(() -> Arrays.spliterator(new double[]{}, 0, 1));

        assertThrowsAIOOB(() -> Arrays.spliterator(new String[]{}, 0, 1));

    }

    @Test

    public void testSpliteratorNPEsFromSpliterators() {

        assertThrowsNPE(() -> Spliterators.spliterator((int[]) null, 0, 0, 0));

        assertThrowsNPE(() -> Spliterators.spliterator((long[]) null, 0, 0, 0));

        assertThrowsNPE(() -> Spliterators.spliterator((double[]) null, 0, 0, 0));

        assertThrowsNPE(() -> Spliterators.spliterator((String[]) null, 0, 0, 0));

    }

    @Test

    public void testSpliteratorAIOBEsFromSpliterators() {

        // origin > fence

        assertThrowsAIOOB(() -> Spliterators.spliterator(new int[]{}, 1, 0, 0));

        assertThrowsAIOOB(() -> Spliterators.spliterator(new long[]{}, 1, 0, 0));

        assertThrowsAIOOB(() -> Spliterators.spliterator(new double[]{}, 1, 0, 0));

        assertThrowsAIOOB(() -> Spliterators.spliterator(new String[]{}, 1, 0, 0));

        // bad origin

        assertThrowsAIOOB(() -> Spliterators.spliterator(new int[]{}, -1, 0, 0));

        assertThrowsAIOOB(() -> Spliterators.spliterator(new long[]{}, -1, 0, 0));

        assertThrowsAIOOB(() -> Spliterators.spliterator(new double[]{}, -1, 0, 0));

        assertThrowsAIOOB(() -> Spliterators.spliterator(new String[]{}, -1, 0, 0));

        // bad fence

        assertThrowsAIOOB(() -> Spliterators.spliterator(new int[]{}, 0, 1, 0));

        assertThrowsAIOOB(() -> Spliterators.spliterator(new long[]{}, 0, 1, 0));

        assertThrowsAIOOB(() -> Spliterators.spliterator(new double[]{}, 0, 1, 0));

        assertThrowsAIOOB(() -> Spliterators.spliterator(new String[]{}, 0, 1, 0));

    }

    void assertThrowsNPE(ThrowingRunnable r) {

        assertThrows(NullPointerException.class, r);

    }

    void assertThrowsAIOOB(ThrowingRunnable r) {

        assertThrows(ArrayIndexOutOfBoundsException.class, r);

    }

}