jdk/test/jdk/javax/imageio/plugins/jpeg/JpegNegativeImageIndexTest.java

/*
 * Copyright (c) 2025, 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     8364135
 * @summary Test verifies that jpeg image reader throws
 *          IndexOutOfBoundsException when "-1" image index is used.
 * @run main JpegNegativeImageIndexTest
 */

import java.io.IOException;
import java.util.Iterator;
import java.util.concurrent.Callable;

import javax.imageio.ImageIO;
import javax.imageio.ImageReader;

public class JpegNegativeImageIndexTest {

    private static boolean failed;

    private static void checkException(boolean exceptionReceived,
                                       String testName) {
        if (!exceptionReceived) {
            System.out.println("Didn't receive IndexOutOfBoundsException for "
                + testName);
            failed = true;
        }
    }

    private static void testMethod(String methodName,
                                   Callable<?> method) {
        boolean exceptionReceived = false;
        System.out.println("Testing " + methodName);
        try {
            method.call();
        } catch (Exception e) {
            if (e instanceof IndexOutOfBoundsException) {
                exceptionReceived = true;
            }
        }
        checkException(exceptionReceived, methodName);
    }

    public static void main(String[] args) throws IOException {
        Iterator<ImageReader> readers =
            ImageIO.getImageReadersByFormatName("jpeg");
        if (!readers.hasNext()) {
            throw new RuntimeException("No jpeg image readers found");
        }

        ImageReader ir = readers.next();

        testMethod("getImageTypes()", () -> ir.getImageTypes(-1));
        testMethod("getWidth()", () -> ir.getWidth(-1));
        testMethod("getHeight()", () -> ir.getHeight(-1));
        testMethod("getRawImageType()", () -> ir.getRawImageType(-1));

        if (failed) {
            throw new RuntimeException("JpegImageReader didn't throw required" +
                " IndexOutOfBoundsException for -1 image index");
        }
    }
}