/*

 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.

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

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * 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.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/**

 * @test

 * @bug     8074954

 * @summary Test verifies that an IOException is triggered if input stream

 *          does not contain enough data to read a multi-byte type.

 *

 * @run     main ShortStreamTest

 */

import javax.imageio.ImageIO;

import javax.imageio.stream.ImageInputStream;

import java.io.ByteArrayInputStream;

import java.io.IOException;

public class ShortStreamTest {

    public static void main(String[] args) throws IOException {

        TestCase[]  tests = createTests();

        for (TestCase t : tests) {

            t.test();

        }

    }

    private static abstract class TestCase {

        abstract void testRead(ImageInputStream iis) throws IOException;

        public void test() {

            boolean gotException = false;

            ImageInputStream iis = createShortStream();

            try {

                testRead(iis);

            } catch (IOException e) {

                e.printStackTrace(System.out);

                gotException = true;

            }

            if (!gotException) {

                throw new RuntimeException("Test failed.");

            }

            System.out.println("Test PASSED");

        }

    }

    private static ImageInputStream createShortStream() {

        try {

            byte[] integerTestArray = new byte[] { 80 };

            ByteArrayInputStream bais = new ByteArrayInputStream(integerTestArray);

            return ImageIO.createImageInputStream(bais);

        } catch (IOException e) {

            return null;

        }

    }

    private static TestCase[] createTests() {

        return new TestCase[]{

                new TestCase() {

                    @Override

                    void testRead(ImageInputStream iis) throws IOException {

                        iis.readInt();

                    }

                },

                new TestCase() {

                    @Override

                    void testRead(ImageInputStream iis) throws IOException {

                        iis.readShort();

                    }

                },

                new TestCase() {

                    @Override

                    void testRead(ImageInputStream iis) throws IOException {

                        iis.readDouble();

                    }

                },

                new TestCase() {

                    @Override

                    void testRead(ImageInputStream iis) throws IOException {

                        iis.readFloat();

                    }

                },

                new TestCase() {

                    @Override

                    void testRead(ImageInputStream iis) throws IOException {

                        iis.readLong();

                    }

                },

                new TestCase() {

                    @Override

                    void testRead(ImageInputStream iis) throws IOException {

                        iis.readUnsignedInt();

                    }

                },

                new TestCase() {

                    @Override

                    void testRead(ImageInputStream iis) throws IOException {

                        iis.readUnsignedShort();

                    }

                }

        };

    }

}