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third-party-mirror/openjdk/jdk25u/refs/heads/master/./test/jdk/java/awt/geom/Area/QuadCurveOOMBug.java
blob: 57f665a1ff70e5c72b2a854f2e6c399543dbe41f [file] [edit]
/*
* 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;
}
}