8042103: Deserialization of empty java.awt.geom.Path2D will cause an exception

Reviewed-by: bae, flar

src/share/classes/java/awt/geom/Path2D.java

 /*
- * Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2006, 2014, 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
@@ -285,6 +285,8 @@ public abstract class Path2D implements Shape, Cloneable {
                 int grow = size;
                 if (grow > EXPAND_MAX) {
                     grow = EXPAND_MAX;
+                } else if (grow == 0) {
+                    grow = 1;
                 }
                 pointTypes = Arrays.copyOf(pointTypes, size+grow);
             }
@@ -1121,6 +1123,8 @@ public abstract class Path2D implements Shape, Cloneable {
                 int grow = size;
                 if (grow > EXPAND_MAX) {
                     grow = EXPAND_MAX;
+                } else if (grow == 0) {
+                    grow = 1;
                 }
                 pointTypes = Arrays.copyOf(pointTypes, size+grow);
             }

test/java/awt/geom/Path2D/EmptyCapacity.java

+/*
+ * Copyright (c) 2014, 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.
+ */
+
+import java.awt.geom.Path2D;
+
+/**
+ * @test
+ * @bug 8042103
+ * @summary Path2D.moveTo() should work if empty initial capacity was set.
+ * @author Sergey Bylokhov
+ */
+public final class EmptyCapacity {
+
+    public static void main(final String[] args) {
+        final Path2D path1 = new Path2D.Double(Path2D.WIND_EVEN_ODD, 0);
+        path1.moveTo(10, 10);
+        path1.lineTo(20, 20);
+        final Path2D path2 = new Path2D.Float(Path2D.WIND_EVEN_ODD, 0);
+        path2.moveTo(10, 10);
+        path2.lineTo(20, 20);
+    }
+}