78 lines
2.6 KiB
Java
78 lines
2.6 KiB
Java
/*
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* Copyright (c) 2005, 2017, 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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/*
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* @test
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* @bug 6294363
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* @summary Test verifies that creation of tree representation of the native
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* image metadata for USHORT_GRAY images does not cause the
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* OutOfMemoryError
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* @run main/othervm -Xms32M -Xmx32M UshortOutOfMemoryTest
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*/
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import java.awt.image.BufferedImage;
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import java.io.IOException;
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import javax.imageio.ImageIO;
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import javax.imageio.ImageTypeSpecifier;
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import javax.imageio.ImageWriteParam;
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import javax.imageio.ImageWriter;
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import javax.imageio.metadata.IIOMetadata;
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public class UshortOutOfMemoryTest {
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private int type;
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private ImageWriter w;
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public UshortOutOfMemoryTest(int type) {
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this.type = type;
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w = ImageIO.getImageWritersByFormatName("GIF").next();
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}
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public void testGetAsTree() {
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ImageWriteParam p = w.getDefaultWriteParam();
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IIOMetadata m =
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w.getDefaultImageMetadata(ImageTypeSpecifier.createFromBufferedImageType(type), p);
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String format = m.getNativeMetadataFormatName();
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System.out.println("native format: " + format);
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int count = 0;
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try {
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while (count < 100) {
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System.out.println(" test " + count++);
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m.getAsTree(format);
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}
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} catch (OutOfMemoryError e) {
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System.gc();
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throw new RuntimeException("Test failed. Number of performed operations: " + count, e);
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}
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}
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public static void main(String[] args) throws IOException {
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UshortOutOfMemoryTest t = new UshortOutOfMemoryTest(
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BufferedImage.TYPE_USHORT_GRAY);
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t.testGetAsTree();
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}
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}
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