Add reproducing test-case for a bug we found newly introduced in JDK 12-ea+28

and fixed again in JDK 12-ea+29

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1852281 13f79535-47bb-0310-9956-ffa450edef68
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Dominik Stadler 2019-01-27 09:58:08 +00:00
parent 60a98da8e8
commit b7862cfe45
1 changed files with 53 additions and 0 deletions

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/* ====================================================================
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this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
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package org.apache.poi;
import org.junit.Test;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.font.TextLayout;
import java.awt.image.BufferedImage;
import java.text.AttributedString;
/**
* Minimal Test-Class found when running the Apache POI regression tests.
*
* This reproduces a crash introduced in JDK 12-ea+28 and JDK 13-ea+4
*
* This works in recent JDK 8, JDK 11 and at least up to JDK 12-ea+20
*
* https://bugs.openjdk.java.net/browse/JDK-8217768
*
* Should be fixed in JDK 12-ea+29 and JDK 13-ea+5
*/
public class TestJDK12 {
@Test
public void test() throws Exception {
BufferedImage img = new BufferedImage(100, 100, BufferedImage.TYPE_INT_ARGB);
Graphics2D graphics = img.createGraphics();
graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
graphics.scale(200, 1);
new TextLayout(new AttributedString("agriculture").getIterator(), graphics.getFontRenderContext());
graphics.dispose();
img.flush();
}
}