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Java example source code file (Homogeneity.java)
The Homogeneity.java Java example source code/* * Copyright (c) 2000, 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. */ /* * @test * @bug 4291610 * @summary BasicPermission.newPermissionCollection collection does not * enforce homogeneity */ import java.security.BasicPermission; public class Homogeneity { public static void main(String[] args) { java.lang.RuntimePermission rp = new java.lang.RuntimePermission ("*"); java.lang.RuntimePermission rp2 = new java.lang.RuntimePermission ("exitVM"); java.net.NetPermission np = new java.net.NetPermission ("setDefaultAuthenticator"); // should be able to add identical BasicPermission subclasses to the // same collection java.security.PermissionCollection perms = rp.newPermissionCollection(); try { perms.add(rp); perms.add(rp2); } catch (IllegalArgumentException iae) { throw new SecurityException("GOOD ADD TEST FAILED"); } // make sure you can't add different BasicPermission subclasses // to the same collection try { // this should fail perms.add(np); throw new SecurityException("BAD ADD TEST FAILED"); } catch (IllegalArgumentException iae) { // good } // make sure a BasicPermissionCollection doesn't imply // random BasicPermission subclasses if (perms.implies(np)) { throw new SecurityException("IMPLIES TEST FAILED"); } } } Other Java examples (source code examples)Here is a short list of links related to this Java Homogeneity.java source code file: |
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