1 /*
   2  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
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  23 
  24 /**
  25  *
  26  * @test
  27  * @bug 8167646
  28  * @summary Better invalid FilePermission
  29  * @library /test/lib
  30  * @build jdk.test.lib.Asserts
  31  * @run main Invalid
  32  */
  33 
  34 import jdk.test.lib.Asserts;
  35 
  36 import java.io.FilePermission;
  37 
  38 public class Invalid {
  39 
  40     public static void main(String args[]) throws Exception {
  41 
  42         // Allmighty
  43         FilePermission af = new FilePermission("<<ALL FILES>>", "read");
  44 
  45         // Normal
  46         FilePermission fp = new FilePermission("a", "read");
  47 
  48         // Invalid
  49         FilePermission fp1 = new FilePermission("a\000", "read");
  50         FilePermission fp2 = new FilePermission("a\000", "read");
  51         FilePermission fp3 = new FilePermission("b\000", "read");
  52 
  53         // Invalid equals to itself
  54         Asserts.assertEQ(fp1, fp1);
  55 
  56         // and not equals to anything else, including other invalid ones
  57         Asserts.assertNE(fp, fp1);
  58         Asserts.assertNE(fp1, fp);
  59         Asserts.assertNE(fp1, fp2);
  60         Asserts.assertNE(fp1, fp3);
  61 
  62         // Invalid implies itself
  63         Asserts.assertTrue(fp1.implies(fp1));
  64 
  65         // <<ALL FILES>> implies invalid
  66         Asserts.assertTrue(af.implies(fp1));
  67 
  68         // and not implies or implied by anything else, including other
  69         // invalid ones
  70         Asserts.assertFalse(fp.implies(fp1));
  71         Asserts.assertFalse(fp1.implies(fp));
  72         Asserts.assertFalse(fp1.implies(fp2));
  73         Asserts.assertFalse(fp1.implies(fp3));
  74     }
  75 }