jdk/test/sun/java2d/pisces/Test7036754.java
author dlila
Thu, 28 Apr 2011 08:55:19 -0400
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permissions -rw-r--r--
7036754: NaNs in stroked quadratics. Summary: Check for them and remove them. Reviewed-by: flar
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/*
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 * Copyright (c) 2011, 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     7036754
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 *
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 * @summary Verifies that there are no non-finite numbers when stroking
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 *          certain quadratic curves.
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 *
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 * @author Jim Graham
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 * @run     main Test7036754
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 */
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import java.awt.*;
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import java.awt.geom.*;
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public class Test7036754 {
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    public static void main(String argv[]) {
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        Shape s = new QuadCurve2D.Float(839.24677f, 508.97888f,
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                                        839.2953f, 508.97122f,
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                                        839.3438f, 508.96353f);
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        s = new BasicStroke(10f).createStrokedShape(s);
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        float nsegs[] = {2, 2, 4, 6, 0};
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        float coords[] = new float[6];
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        PathIterator pi = s.getPathIterator(null);
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        while (!pi.isDone()) {
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            int type = pi.currentSegment(coords);
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            for (int i = 0; i < nsegs[type]; i++) {
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                float c = coords[i];
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                if (Float.isNaN(c) || Float.isInfinite(c)) {
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                    throw new RuntimeException("bad value in stroke");
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                }
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            }
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            pi.next();
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        }
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    }
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}