CachePermissionsTest.java revision 3261
2362N/A * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 0N/A * published by the Free Software Foundation. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2362N/A * or visit www.oracle.com if you need additional information or have any 0N/A * @summary Test verifies that ImageIO checks all permissions required for 0N/A * the file cache usage: 0N/A * no policy file: No security restrictions. 0N/A * Expected result: ImageIO creates file-cached stream. 0N/A * w.policy: the case when we have read and write permissions 0N/A * for java.io.temp directory but have only write permission 0N/A * Expected result: ImageIO create a memory-cached stream 0N/A * image output stream. 0N/A * rw.policy: the case when we have read and write permissions 0N/A * for java.io.temp directory but have only read and write 0N/A * permission for a temp cache file. 0N/A * Expected result: ImageIO creates a memory-cached stream 0N/A * because temporary cache file can not be deleted. 0N/A * rwd.policy: the case when we have read and write permissions 0N/A * for java.io.temp directory and have all required permissions 0N/A * (read, write, and delete) for a temporary cache file. 0N/A * Expected result: ImageIO creates file-cached stream. 0N/A * -Djava.security.debug=access can be used to verify file permissions. 0N/A * @run main CachePermissionsTest true for (
int i =
0; i <
8192; i++) {
for (
int i =
0; i <
8192; i++) {
throw new RuntimeException(
"Wrong data in the stream " + j +
" instead of " + i);
* We do not expect security execptions here: * we there are any security restrition, ImageIO * should swith to memory-cached streams, instead