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/*
* Copyright (c) 2008, 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.applet.*;
import java.awt.*;
import java.io.*;
import java.net.*;
public class BigFont extends Applet {
static private class SizedInputStream extends InputStream {
int size;
int cnt = 0;
SizedInputStream(int size) {
this.size = size;
}
public int read() {
if (cnt < size) {
cnt++;
return 0;
} else {
return -1;
}
}
public int getCurrentSize() {
return cnt;
}
}
String id;
String fileName;
public void init() {
id = getParameter("number");
fileName = getParameter("font");
System.out.println("Applet " + id + " "+
Thread.currentThread().getThreadGroup());
if (System.getSecurityManager() == null) {
System.setSecurityManager(new SecurityManager());
}
// Larger than size for a single font.
int fontSize = 64 * 1000 * 1000;
SizedInputStream sis = new SizedInputStream(fontSize);
try {
Font font = Font.createFont(Font.TRUETYPE_FONT, sis);
} catch (Throwable t) {
t.printStackTrace();
if (t instanceof FontFormatException ||
fontSize <= sis.getCurrentSize())
{
System.out.println(sis.getCurrentSize());
System.out.println(t);
throw new RuntimeException("Allowed file to be too large.");
}
}
// The following part of the test was verified manually but
// is impractical to enable because it requires a fairly large
// valid font to be part of the test, and we can't easily include
// that, nor dependably reference one from the applet environment.
/*
if (fileName == null) {
return;
}
int size = getFileSize(fileName);
if (size == 0) {
return;
}
int fontCnt = 1000 * 1000 * 1000 / size;
loadMany(size, fontCnt, fileName);
System.gc(); System.gc();
fontCnt = fontCnt / 2;
System.out.println("Applet " + id + " load more.");
loadMany(size, fontCnt, fileName);
*/
System.out.println("Applet " + id + " finished.");
}
int getFileSize(String fileName) {
try {
URL url = new URL(getCodeBase(), fileName);
InputStream inStream = url.openStream();
BufferedInputStream fontStream = new BufferedInputStream(inStream);
int size = 0;
while (fontStream.read() != -1) {
size++;
}
fontStream.close();
return size;
} catch (IOException e) {
return 0;
}
}
void loadMany(int oneFont, int fontCnt, String fileName) {
System.out.println("fontcnt= " + fontCnt);
Font[] fonts = new Font[fontCnt];
int totalSize = 0;
boolean gotException = false;
for (int i=0; i<fontCnt; i++) {
try {
URL url = new URL(getCodeBase(), fileName);
InputStream inStream = url.openStream();
BufferedInputStream fontStream =
new BufferedInputStream(inStream);
fonts[i] = Font.createFont(Font.TRUETYPE_FONT, fontStream);
totalSize += oneFont;
fontStream.close();
} catch (Throwable t) {
gotException = true;
System.out.println("Applet " + id + " " + t);
}
}
if (!gotException) {
throw new RuntimeException("No expected exception");
}
}
}
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