/* * Copyright (c) 2006, 2018, 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 6372340 * @summary Checks for infinite loop and OOM bugs dealing with Quad curves. * @run main/timeout=20/othervm QuadCurveOOMBug */ import java.awt.Shape; import java.awt.geom.Area; import java.awt.geom.GeneralPath; import java.awt.geom.PathIterator; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.DataInputStream; import java.io.DataOutputStream; import java.io.IOException; public class QuadCurveOOMBug { public static final String SEG_CLOSE = " SEG_CLOSE"; public static final String SEG_CUBICTO = " SEG_CUBICTO"; public static final String SEG_LINETO = " SEG_LINETO"; public static final String SEG_MOVETO = " SEG_MOVETO"; public static final String SEG_QUADTO = " SEG_QUADTO"; public static final byte[] strokedLineToSubtract = { 0, 11, 32, 83, 69, 71, 95, 77, 79, 86, 69, 84, 79, 68, 117, 7, -63, 67, 15, 6, 87, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 117, 31, 16, 67, 15, 23, 5, 0, 11, 32, 83, 69, 71, 95, 81, 85, 65, 68, 84, 79, 68, 117, 68, -12, 67, 15, 50, 54, 68, 117, 103, 16, 67, 15, 50, 59, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 117, 110, 14, 67, 15, 50, 59, 0, 11, 32, 83, 69, 71, 95, 81, 85, 65, 68, 84, 79, 68, 117, -56, 26, 67, 15, 48, -15, 68, 118, 22, 75, 67, 14, 112, 95, 0, 11, 32, 83, 69, 71, 95, 81, 85, 65, 68, 84, 79, 68, 118, 61, 115, 67, 14, 15, 10, 68, 118, 94, 93, 67, 13, 127, -74, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 118, 103, -80, 67, 13, 87, 15, 0, 11, 32, 83, 69, 71, 95, 81, 85, 65, 68, 84, 79, 68, 118, 21, -76, 67, 14, -81, -105, 68, 117, -100, -84, 67, 14, -72, 72, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 117, -88, 84, 67, 14, -72, 72, 0, 11, 32, 83, 69, 71, 95, 81, 85, 65, 68, 84, 79, 68, 117, 108, 85, 67, 14, -73, 106, 68, 117, 53, 117, 67, 14, 74, -61, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 117, 72, 27, 67, 14, 112, 14, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 118, 87, -51, 67, 5, -16, 100, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 118, 69, 39, 67, 5, -53, 25, 0, 11, 32, 83, 69, 71, 95, 81, 85, 65, 68, 84, 79, 68, 117, -5, -93, 67, 5, 57, 38, 68, 117, -88, 84, 67, 5, 56, 72, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 117, -100, -84, 67, 5, 56, 72, 0, 11, 32, 83, 69, 71, 95, 81, 85, 65, 68, 84, 79, 68, 117, 12, 86, 67, 5, 64, -7, 68, 116, -89, -76, 67, 6, -22, -51, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 116, -98, 97, 67, 7, 19, 116, 0, 11, 32, 83, 69, 71, 95, 81, 85, 65, 68, 84, 79, 68, 116, -75, -100, 67, 6, -83, -7, 68, 116, -44, -9, 67, 6, 95, -59, 0, 11, 32, 83, 69, 71, 95, 81, 85, 65, 68, 84, 79, 68, 117, 26, -119, 67, 5, -76, 14, 68, 117, 110, 14, 67, 5, -78, 59, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 117, 103, 16, 67, 5, -78, 59, 0, 11, 32, 83, 69, 71, 95, 81, 85, 65, 68, 84, 79, 68, 117, 122, -71, 67, 5, -78, 22, 68, 117, -119, -60, 67, 5, -68, -61, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 117, 114, 117, 67, 5, -84, 21, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 117, 7, -63, 67, 15, 6, 87, 0, 10, 32, 83, 69, 71, 95, 67, 76, 79, 83, 69, }; public static final byte[] negSpace = { 0, 11, 32, 83, 69, 71, 95, 77, 79, 86, 69, 84, 79, 68, 116, -33, -12, 67, 4, 30, -23, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 118, 59, 73, 67, 6, -43, -109, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 117, 100, -97, 67, 13, -118, -32, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 116, 9, 75, 67, 10, -44, 54, 0, 10, 32, 83, 69, 71, 95, 67, 76, 79, 83, 69, }; public static final byte[] strokedLineToAdd = { 0, 11, 32, 83, 69, 71, 95, 77, 79, 86, 69, 84, 79, 68, 98, -100, -76, 67, -85, -36, 6, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 98, -76, 4, 67, -85, -48, 21, 0, 11, 32, 83, 69, 71, 95, 81, 85, 65, 68, 84, 79, 68, 98, -102, -29, 67, -85, -36, -5, 68, 98, -112, 107, 67, -85, -35, 5, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 98, -84, 99, 67, -85, -35, 5, 0, 11, 32, 83, 69, 71, 95, 81, 85, 65, 68, 84, 79, 68, 98, -87, 1, 67, -85, -35, 1, 68, 98, -107, -10, 67, -85, -43, 23, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 98, -95, -98, 67, -85, -39, -11, 0, 11, 32, 83, 69, 71, 95, 81, 85, 65, 68, 84, 79, 68, 98, -53, -8, 67, -85, -21, -99, 68, 98, -10, -6, 67, -85, -21, -95, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 99, 2, -94, 67, -85, -21, -95, 0, 11, 32, 83, 69, 71, 95, 81, 85, 65, 68, 84, 79, 68, 98, -56, -104, 67, -85, -21, 61, 68, 98, -109, 28, 67, -85, -73, -35, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 98, -91, -62, 67, -85, -55, -22, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 99, -82, -62, 67, -89, -125, 126, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 99, -100, 28, 67, -89, 113, 113, 0, 11, 32, 83, 69, 71, 95, 81, 85, 65, 68, 84, 79, 68, 99, 83, -6, 67, -89, 44, 5, 68, 99, 2, -94, 67, -89, 43, -95, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 98, -10, -6, 67, -89, 43, -95, 0, 11, 32, 83, 69, 71, 95, 81, 85, 65, 68, 84, 79, 68, 99, 10, -82, 67, -89, 43, -91, 68, 99, 29, -72, 67, -89, 51, -113, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 99, 18, 16, 67, -89, 46, -79, 0, 11, 32, 83, 69, 71, 95, 81, 85, 65, 68, 84, 79, 68, 98, -25, -73, 67, -89, 29, 9, 68, 98, -84, 99, 67, -89, 29, 5, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 98, -112, 107, 67, -89, 29, 5, 0, 11, 32, 83, 69, 71, 95, 81, 85, 65, 68, 84, 79, 68, 98, 78, 121, 67, -89, 28, -15, 68, 98, 29, -110, 67, -89, 53, -27, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 98, 6, 66, 67, -89, 65, -42, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 98, -100, -76, 67, -85, -36, 6, 0, 10, 32, 83, 69, 71, 95, 67, 76, 79, 83, 69, }; public static final byte[] shapeAdded = { 0, 11, 32, 83, 69, 71, 95, 77, 79, 86, 69, 84, 79, 68, 102, 54, -63, 67, -84, -102, 29, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 96, -120, 114, 67, -94, 2, 48, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, 69, 84, 79, 68, 94, -119, 0, 67, -86, 67, -25, 0, 10, 32, 83, 69, 71, 95, 67, 76, 79, 83, 69, }; public static void main(String[] args) { // Reversing the order of these try blocks has no effect. try { testAdd(); } catch (IOException ioe) { ioe.printStackTrace(); } try { testSubtract(); } catch (IOException e) { e.printStackTrace(); } } private static void testSubtract() throws IOException { Shape lineShape = loadShape(strokedLineToSubtract, "Line"); Shape negShape = loadShape(negSpace, "Space"); Area lineArea = new Area(lineShape); Area negArea = new Area(negShape); System.err.println("Attempting to subtract ... "); lineArea.subtract(negArea); // This is what throws the OutOfMemoryError System.err.println("Subtraction succeeded."); } private static void testAdd() throws IOException { Shape lineShape = loadShape(strokedLineToAdd, "Line"); Shape negShape = loadShape(shapeAdded, "Space"); Area lineArea = new Area(lineShape); Area negArea = new Area(negShape); System.err.println("Attempting to add ... "); lineArea.add(negArea); // This is what throws the OutOfMemoryError System.err.println("Addition succeeded."); } /** * Although this method isn't used by this test case, this is the method * used to create the two data sets that the test case uses. * @param name The name to give to the variable * @param shape */ public static void saveShapeData(Shape shape, String name) { ByteArrayOutputStream byteStream = new ByteArrayOutputStream(); DataOutputStream os = new DataOutputStream(byteStream); try { saveShapeToStream(shape, os); System.out.println("\npublic static final byte[] " + name + " = {\n"); byte[] data = byteStream.toByteArray(); int ii=0; for (byte bt : data) System.out.print(" " + Byte.toString(bt) + "," + ((++ii)%20==0? "\n":"")); System.out.println("};"); } catch (IOException e) { e.printStackTrace(); } } private static void saveShapeToStream(Shape shape, DataOutputStream pOs) throws IOException { PathIterator iter = shape.getPathIterator(null); float[] coords = new float[6]; while(!iter.isDone()) { int type = iter.currentSegment(coords); switch(type) { case PathIterator.SEG_CLOSE: pOs.writeUTF(SEG_CLOSE); break; case PathIterator.SEG_CUBICTO: pOs.writeUTF(SEG_CUBICTO); for (float coord : coords) pOs.writeFloat(coord); break; case PathIterator.SEG_LINETO: pOs.writeUTF(SEG_LINETO); pOs.writeFloat(coords[0]); pOs.writeFloat(coords[1]); break; case PathIterator.SEG_MOVETO: pOs.writeUTF(SEG_MOVETO); pOs.writeFloat(coords[0]); pOs.writeFloat(coords[1]); break; case PathIterator.SEG_QUADTO: pOs.writeUTF(SEG_QUADTO); for (int ii=0; ii<4; ++ii) pOs.writeFloat(coords[ii]); break; default: System.err.print(" UNKNOWN:" + type); break; } iter.next(); } } public static Shape loadShape(byte[] fileData, String name) throws IOException { System.out.println("\n\n" + name + ":"); GeneralPath path = new GeneralPath(); path.setWindingRule(GeneralPath.WIND_NON_ZERO); DataInputStream is=null; is = new DataInputStream(new ByteArrayInputStream(fileData)); float[] coords = new float[6]; while (is.available()>0) { String type = is.readUTF(); System.out.print("\n" + type + "\n "); if (type.equals(SEG_CLOSE)) { path.closePath(); } else if (type.equals(SEG_CUBICTO)) { for (int ii=0; ii<6; ++ii) coords[ii] = readFloat(is); path.curveTo(coords[0], coords[1], coords[2], coords[3], coords[4], coords[5]); } else if (type.equals(SEG_LINETO)) { for (int ii=0; ii<2; ++ii) coords[ii] = readFloat(is); path.lineTo(coords[0], coords[1]); } else if (type.equals(SEG_MOVETO)) { for (int ii=0; ii<2; ++ii) coords[ii] = readFloat(is); path.moveTo(coords[0], coords[1]); } else if (type.equals(SEG_QUADTO)) { for (int ii=0; ii<4; ++ii) coords[ii] = readFloat(is); path.quadTo(coords[0], coords[1], coords[2], coords[3]); } } return path; } /** * This call reads all the float values and prints them out. * @param is * @return * @throws IOException */ private static float readFloat(DataInputStream is) throws IOException { float ft = is.readFloat(); System.out.print("" + ft + ", "); return ft; } }