| /* |
| * Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.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()); |
| // 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) { |
| 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"); |
| } |
| } |
| } |
| |