jdk/test/java/awt/FontClass/CreateFont/BigFont.java
author ohair
Thu, 17 Sep 2009 13:17:57 -0700 (2009-09-17)
changeset 3790 ab4f91337479
parent 2606 09ad5edb5330
child 5506 202f599c92aa
permissions -rw-r--r--
Merge
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/*
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 * Copyright 2008 Sun Microsystems, Inc.  All Rights Reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 * CA 95054 USA or visit www.sun.com if you need additional information or
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 * have any questions.
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 */
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import java.applet.*;
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import java.awt.*;
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import java.io.*;
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import java.net.*;
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public class BigFont extends Applet {
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   static private class SizedInputStream extends InputStream {
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       int size;
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       int cnt = 0;
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       SizedInputStream(int size) {
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           this.size = size;
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       }
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       public int read() {
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           if (cnt < size) {
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              cnt++;
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              return 0;
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           } else {
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              return -1;
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           }
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       }
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       public int getCurrentSize() {
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           return cnt;
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       }
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   }
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    String id;
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    String fileName;
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    public void init() {
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        id = getParameter("number");
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        fileName = getParameter("font");
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        System.out.println("Applet " + id + " "+
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                           Thread.currentThread().getThreadGroup());
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        // Larger than size for a single font.
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        int fontSize = 64 * 1000 * 1000;
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        SizedInputStream sis = new SizedInputStream(fontSize);
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        try {
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             Font font = Font.createFont(Font.TRUETYPE_FONT, sis);
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        } catch (Throwable t) {
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            if (t instanceof FontFormatException ||
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                fontSize <= sis.getCurrentSize())
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            {
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                System.out.println(sis.getCurrentSize());
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                System.out.println(t);
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                throw new RuntimeException("Allowed file to be too large.");
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            }
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        }
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        // The following part of the test was verified manually but
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        // is impractical to enable  because it requires a fairly large
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        // valid font to be part of the test, and we can't easily include
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        // that, nor dependably reference one from the applet environment.
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        /*
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        if (fileName == null) {
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            return;
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        }
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        int size = getFileSize(fileName);
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        if (size == 0) {
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            return;
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        }
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        int fontCnt = 1000 * 1000 * 1000 / size;
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        loadMany(size, fontCnt, fileName);
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        System.gc(); System.gc();
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        fontCnt = fontCnt / 2;
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        System.out.println("Applet " + id + " load more.");
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        loadMany(size, fontCnt, fileName);
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        */
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        System.out.println("Applet " + id + " finished.");
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    }
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    int getFileSize(String fileName) {
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        try {
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            URL url = new URL(getCodeBase(), fileName);
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            InputStream inStream = url.openStream();
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            BufferedInputStream fontStream = new BufferedInputStream(inStream);
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            int size = 0;
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            while (fontStream.read() != -1) {
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                size++;
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            }
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            fontStream.close();
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            return size;
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        } catch (IOException e) {
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            return 0;
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        }
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    }
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    void loadMany(int oneFont, int fontCnt, String fileName) {
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        System.out.println("fontcnt= " + fontCnt);
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        Font[] fonts = new Font[fontCnt];
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        int totalSize = 0;
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        boolean gotException = false;
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        for (int i=0; i<fontCnt; i++) {
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            try {
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                URL url = new URL(getCodeBase(), fileName);
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                InputStream inStream = url.openStream();
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                BufferedInputStream fontStream =
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                    new BufferedInputStream(inStream);
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                fonts[i] = Font.createFont(Font.TRUETYPE_FONT, fontStream);
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                totalSize += oneFont;
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                fontStream.close();
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            } catch (Throwable t) {
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                gotException = true;
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                System.out.println("Applet " + id + " " + t);
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            }
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        }
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        if (!gotException) {
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          throw new RuntimeException("No expected exception");
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        }
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    }
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}
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