svn commit: r1852281 - /poi/trunk/src/scratchpad/testcases/org/apache/poi/TestJDK12.java

[ce...@apache.org]

Author: centic
Date: Sun Jan 27 09:58:08 2019
New Revision: 1852281

URL: http://svn.apache.org/viewvc?rev=1852281&view=rev
Log:
Add reproducing test-case for a bug we found newly introduced in JDK 12-ea+28
and fixed again in JDK 12-ea+29

Added:
    poi/trunk/src/scratchpad/testcases/org/apache/poi/TestJDK12.java

Added: poi/trunk/src/scratchpad/testcases/org/apache/poi/TestJDK12.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/scratchpad/testcases/org/apache/poi/TestJDK12.java?rev=1852281&view=auto
==============================================================================
--- poi/trunk/src/scratchpad/testcases/org/apache/poi/TestJDK12.java (added)
+++ poi/trunk/src/scratchpad/testcases/org/apache/poi/TestJDK12.java Sun Jan 27 09:58:08 2019
@@ -0,0 +1,53 @@
+/* ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================== */
+
+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();
+    }
+
+}



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