8075942: ArrayIndexOutOfBoundsException in sun.java2d.pisces.Dasher.goTo

Reviewed-by: flar, lbourges

src/share/classes/sun/java2d/pisces/Dasher.java

@@ -146,7 +146,7 @@ final class Dasher implements sun.awt.geom.PathConsumer2D {
         if (dashOn) {
             if (starting) {
                 firstSegmentsBuffer = Helpers.widenArray(firstSegmentsBuffer,
-                                      firstSegidx, type - 2);
+                                      firstSegidx, type - 2 + 1);
                 firstSegmentsBuffer[firstSegidx++] = type;
                 System.arraycopy(pts, off, firstSegmentsBuffer, firstSegidx, type - 2);
                 firstSegidx += type - 2;

test/java/awt/BasicStroke/DashStrokeTest.java

+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ * @test
+ * @bug 8075942
+ * @summary test there is no exception rendering a dashed stroke
+ * @run DashStrokeTest
+ * @run -Dsun.java2d.renderer=sun.java2d.pisces.PiscesRenderingEngine
+ */
+
+import java.awt.BasicStroke;
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.Stroke;
+import java.awt.geom.GeneralPath;
+import java.awt.image.BufferedImage;
+
+
+public class DashStrokeTest {
+
+    public static void main(String[] args) {
+
+        GeneralPath shape = new GeneralPath();
+        int[] pointTypes = {0, 0, 1, 1, 0, 1, 1, 0};
+        double[] xpoints = {428, 420, 400, 400, 400, 400, 420, 733};
+        double[] ypoints = {180, 180, 180, 160, 30, 10, 10, 10};
+        shape.moveTo(xpoints[0], ypoints[0]);
+        for (int i = 1; i < pointTypes.length; i++) {
+            if (pointTypes[i] == 1 && i < pointTypes.length - 1) {
+                shape.quadTo(xpoints[i], ypoints[i],
+                             xpoints[i + 1], ypoints[i + 1]);
+            } else {
+                shape.lineTo(xpoints[i], ypoints[i]);
+            }
+        }
+
+        BufferedImage image = new
+            BufferedImage(1000, 1000, BufferedImage.TYPE_INT_ARGB);
+        Graphics2D g2 = image.createGraphics();
+
+        Color color = new Color(124, 0, 124, 255);
+        g2.setColor(color);
+        Stroke stroke = new BasicStroke(1.0f,
+                                        BasicStroke.CAP_BUTT,
+                                        BasicStroke.JOIN_BEVEL,
+                                        10.0f, new float[] {9, 6}, 0.0f);
+        g2.setStroke(stroke);
+        g2.draw(shape);
+    }
+}