96 lines
3.3 KiB
Java
96 lines
3.3 KiB
Java
/*
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* Copyright (c) 2004, 2020, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.io.ByteArrayInputStream;
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import java.io.FileInputStream;
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import java.io.InputStream;
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import java.io.IOException;
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import java.awt.Font;
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public class DeleteFont {
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public static void main(String args[]) throws Exception {
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String font = "A.ttf";
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String sep = System.getProperty("file.separator");
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String testSrc = System.getenv("TESTSRC");
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if (testSrc != null) {
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font = testSrc + sep + font;
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}
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System.out.println("Using font file: " + font);
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FileInputStream fis = new FileInputStream(font);
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Font f = Font.createFont(Font.TRUETYPE_FONT, fis);
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f.toString();
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f.deriveFont(Font.BOLD);
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f.canDisplay('X');
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InputStream in = new InputStream() {
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public int read() {
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throw new RuntimeException();
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}
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};
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boolean gotException = false;
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try {
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Font.createFont(java.awt.Font.TRUETYPE_FONT, in);
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} catch (IOException e) {
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gotException = true;
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}
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if (!gotException) {
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throw new RuntimeException("No expected IOException");
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}
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badRead(-2, 16, Font.TYPE1_FONT);
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badRead(8193, 14, Font.TYPE1_FONT);
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badRead(-2, 12, Font.TRUETYPE_FONT);
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badRead(8193, 10, Font.TRUETYPE_FONT);
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// Make sure GC has a chance to clean up before we exit.
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System.gc(); System.gc();
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Thread.sleep(5000);
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System.gc(); System.gc();
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}
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static void badRead(final int retval, final int multiple, int fontType) {
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int num = 2;
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byte[] buff = new byte[multiple*8192]; // Multiple of 8192 is important.
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for (int ct=0; ct<num; ++ct) {
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try {
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Font.createFont(
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fontType,
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new ByteArrayInputStream(buff) {
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@Override
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public int read(byte[] buff, int off, int len) {
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int read = super.read(buff, off, len);
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return read<0 ? retval : read;
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}
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}
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);
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} catch (Throwable exc) {
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//exc.printStackTrace();
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}
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}
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}
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}
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