97 lines
3.5 KiB
Java
97 lines
3.5 KiB
Java
/*
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* Copyright (c) 2015, 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.io.File;
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import java.io.FileOutputStream;
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import java.nio.file.Files;
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import java.util.Iterator;
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import javax.imageio.ImageIO;
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import javax.imageio.ImageWriter;
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import javax.imageio.metadata.IIOMetadata;
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import javax.imageio.spi.IIORegistry;
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import javax.imageio.spi.ImageWriterSpi;
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import javax.imageio.stream.ImageOutputStream;
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/**
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* @test
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* @bug 4958064 8183349
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* @summary Test verifies that when we try to forcefully run
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* prepareWriteSequence() where it is not supported
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* will ImageIO throws an UnsupportedOperationException
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* or not.
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* @run main CanWriteSequence
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*/
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public final class CanWriteSequence {
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private static File file;
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private static FileOutputStream fos;
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private static ImageOutputStream ios;
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public static void main(final String[] args) throws Exception {
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final IIORegistry registry = IIORegistry.getDefaultInstance();
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final Iterator<ImageWriterSpi> iter =
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registry.getServiceProviders(ImageWriterSpi.class,
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provider -> true, true);
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// Validates all supported ImageWriters
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while (iter.hasNext()) {
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final ImageWriter writer = iter.next().createWriterInstance();
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System.out.println("ImageWriter = " + writer);
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test(writer);
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}
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System.out.println("Test passed");
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}
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private static void test(final ImageWriter writer) throws Exception {
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try {
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file = File.createTempFile("temp", ".img");
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fos = new FileOutputStream(file);
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ios = ImageIO.createImageOutputStream(fos);
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writer.setOutput(ios);
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final IIOMetadata data = writer.getDefaultStreamMetadata(null);
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if (writer.canWriteSequence()) {
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writer.prepareWriteSequence(data);
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} else {
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try {
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writer.prepareWriteSequence(data);
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throw new RuntimeException(
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"UnsupportedOperationException was not thrown");
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} catch (final UnsupportedOperationException ignored) {
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// expected
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}
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}
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} finally {
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writer.dispose();
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if (file != null) {
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if (ios != null) {
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ios.close();
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}
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if (fos != null) {
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fos.close();
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}
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Files.delete(file.toPath());
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}
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}
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}
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} |