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 *

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 * published by the Free Software Foundation.

 *

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

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * 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).

 *

 * You should have received a copy of the GNU General Public License version

 * 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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import sun.java2d.marlin.ArrayCache;

 * @test

 * @bug 8144445

 * @summary Check the ArrayCache getNewLargeSize() method

 * @run main ArrayCacheSizeTest

 */

public class ArrayCacheSizeTest {

    public static void main(String[] args) {

        testNewSize();

        testNewLargeSize();

    }

    private static void testNewSize() {

        testNewSize(0, 1);

        testNewSize(0, 100000);

        testNewSize(4096, 4097);

        testNewSize(4096 * 16, 4096 * 16 + 1);

        testNewSize(4096 * 4096 * 4, 4096 * 4096 * 4 + 1);

        testNewSize(4096 * 4096 * 4, Integer.MAX_VALUE);

        testNewSize(Integer.MAX_VALUE - 1000, Integer.MAX_VALUE);

        testNewSizeExpectAIOB(Integer.MAX_VALUE - 1000, Integer.MAX_VALUE + 1);

        testNewSizeExpectAIOB(1, -1);

        testNewSizeExpectAIOB(Integer.MAX_VALUE, -1);

    }

    private static void testNewSizeExpectAIOB(final int curSize,

                                              final int needSize) {

        try {

            testNewSize(curSize, needSize);

            throw new RuntimeException("ArrayIndexOutOfBoundsException not thrown");

        } catch (ArrayIndexOutOfBoundsException aiobe) {

            System.out.println("ArrayIndexOutOfBoundsException expected.");

        } catch (RuntimeException re) {

            throw re;

        } catch (Throwable th) {

            throw new RuntimeException("Unexpected exception", th);

        }

    }

    private static void testNewSize(final int curSize,

                                    final int needSize) {

        int size = ArrayCache.getNewSize(curSize, needSize);

        System.out.println("getNewSize(" + curSize + ", " + needSize

            + ") = " + size);

        if (size < 0 || size < needSize) {

            throw new IllegalStateException("Invalid getNewSize("

                + curSize + ", " + needSize + ") = " + size + " !");

        }

    }

    private static void testNewLargeSize() {

        testNewLargeSize(0, 1);

        testNewLargeSize(0, 100000);

        testNewLargeSize(4096, 4097);

        testNewLargeSize(4096 * 16, 4096 * 16 + 1);

        testNewLargeSize(4096 * 4096 * 4, 4096 * 4096 * 4 + 1);

        testNewLargeSize(4096 * 4096 * 4, Integer.MAX_VALUE);

        testNewLargeSize(Integer.MAX_VALUE - 1000, Integer.MAX_VALUE);

        testNewLargeSizeExpectAIOB(Integer.MAX_VALUE - 1000, Integer.MAX_VALUE + 1L);

        testNewLargeSizeExpectAIOB(1, -1L);

        testNewLargeSizeExpectAIOB(Integer.MAX_VALUE, -1L);

    }

    private static void testNewLargeSizeExpectAIOB(final long curSize,

                                                   final long needSize) {

        try {

            testNewLargeSize(curSize, needSize);

            throw new RuntimeException("ArrayIndexOutOfBoundsException not thrown");

        } catch (ArrayIndexOutOfBoundsException aiobe) {

            System.out.println("ArrayIndexOutOfBoundsException expected.");

        } catch (RuntimeException re) {

            throw re;

        } catch (Throwable th) {

            throw new RuntimeException("Unexpected exception", th);

        }

    }

    private static void testNewLargeSize(final long curSize,

                                         final long needSize) {

        long size = ArrayCache.getNewLargeSize(curSize, needSize);

        System.out.println("getNewLargeSize(" + curSize + ", " + needSize

            + ") = " + size);

        if (size < 0 || size < needSize || size > Integer.MAX_VALUE) {

            throw new IllegalStateException("Invalid getNewLargeSize("

                + curSize + ", " + needSize + ") = " + size + " !");

        }

    }

}