1 /*
   2  * Copyright (c) 2017, 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
  21  * questions.
  22  */
  23 
  24 /**
  25  * @test
  26  * @library /lib/testlibrary
  27  * @build PermitIllegalAccess AttemptAccess jdk.testlibrary.*
  28  * @run testng PermitIllegalAccess
  29  * @summary Basic test for java --permit-illegal-access
  30  */
  31 
  32 import java.util.List;
  33 
  34 import jdk.testlibrary.ProcessTools;
  35 import jdk.testlibrary.OutputAnalyzer;
  36 
  37 import org.testng.annotations.Test;
  38 import static org.testng.Assert.*;
  39 
  40 /**
  41  * Basic test of --permit-illegal-access to ensure that it permits access
  42  * via core reflection and setAccessible/trySetAccessible.
  43  */
  44 
  45 @Test
  46 public class PermitIllegalAccess {
  47 
  48     static final String TEST_CLASSES = System.getProperty("test.classes");
  49     static final String TEST_MAIN = "AttemptAccess";
  50 
  51     static final String WARNING = "WARNING";
  52     static final String STARTUP_WARNING =
  53         "WARNING: --permit-illegal-access will be removed in the next major release";
  54     static final String ILLEGAL_ACCESS_WARNING =
  55         "WARNING: Illegal access by " + TEST_MAIN;
  56 
  57     /**
  58      * Launches AttemptAccess to execute an action, returning the OutputAnalyzer
  59      * to analyze the output/exitCode.
  60      */
  61     private OutputAnalyzer tryAction(String action, int count) throws Exception {
  62         String arg = "" + count;
  63         return ProcessTools
  64                 .executeTestJava("-cp", TEST_CLASSES, TEST_MAIN, action, arg)
  65                 .outputTo(System.out)
  66                 .errorTo(System.out);
  67     }
  68 
  69     /**
  70      * Launches AttemptAccess with --permit-illegal-access to execute an action,
  71      * returning the OutputAnalyzer to analyze the output/exitCode.
  72      */
  73     private OutputAnalyzer tryActionPermittingIllegalAccess(String action,
  74                                                             int count)
  75         throws Exception
  76     {
  77         String arg = "" + count;
  78         return ProcessTools
  79                 .executeTestJava("-cp", TEST_CLASSES, "--permit-illegal-access",
  80                                  TEST_MAIN, action, arg)
  81                 .outputTo(System.out)
  82                 .errorTo(System.out);
  83     }
  84 
  85     /**
  86      * Sanity check to ensure that IllegalAccessException is thrown.
  87      */
  88     public void testAccessFail() throws Exception {
  89         int exitValue = tryAction("access", 1)
  90                 .stdoutShouldNotContain(WARNING)
  91                 .stdoutShouldNotContain("IllegalAccessException")
  92                 .stderrShouldNotContain(WARNING)
  93                 .stderrShouldContain("IllegalAccessException")
  94                 .getExitValue();
  95         assertTrue(exitValue != 0);
  96     }
  97 
  98     /**
  99      * Sanity check to ensure that InaccessibleObjectException is thrown.
 100      */
 101     public void testSetAccessibleFail() throws Exception {
 102         int exitValue = tryAction("setAccessible", 1)
 103                 .stdoutShouldNotContain(WARNING)
 104                 .stdoutShouldNotContain("InaccessibleObjectException")
 105                 .stderrShouldNotContain(WARNING)
 106                 .stderrShouldContain("InaccessibleObjectException")
 107                 .getExitValue();
 108         assertTrue(exitValue != 0);
 109     }
 110 
 111     /**
 112      * Permit illegal access to succeed
 113      */
 114     public void testAccessPermitted() throws Exception {
 115         tryActionPermittingIllegalAccess("access", 1)
 116                 .stdoutShouldNotContain(WARNING)
 117                 .stdoutShouldNotContain("IllegalAccessException")
 118                 .stderrShouldContain(STARTUP_WARNING)
 119                 .stderrShouldNotContain("IllegalAccessException")
 120                 .stderrShouldContain(ILLEGAL_ACCESS_WARNING)
 121                 .shouldHaveExitValue(0);
 122     }
 123 
 124     /**
 125      * Permit repeated illegal access to succeed
 126      */
 127     public void testRepeatedAccessPermitted() throws Exception {
 128         OutputAnalyzer outputAnalyzer = tryActionPermittingIllegalAccess("access", 10)
 129                 .stdoutShouldNotContain(WARNING)
 130                 .stdoutShouldNotContain("IllegalAccessException")
 131                 .stderrShouldContain(STARTUP_WARNING)
 132                 .stderrShouldNotContain("IllegalAccessException")
 133                 .stderrShouldContain(ILLEGAL_ACCESS_WARNING)
 134                 .shouldHaveExitValue(0);;
 135 
 136         // should only have one illegal access warning
 137         assertTrue(containsCount(outputAnalyzer.asLines(), ILLEGAL_ACCESS_WARNING) == 1);
 138     }
 139 
 140     /**
 141      * Permit setAccessible to succeed
 142      */
 143     public void testSetAccessiblePermitted() throws Exception {
 144         tryActionPermittingIllegalAccess("setAccessible", 1)
 145                 .stdoutShouldNotContain(WARNING)
 146                 .stdoutShouldNotContain("InaccessibleObjectException")
 147                 .stderrShouldContain(STARTUP_WARNING)
 148                 .stderrShouldNotContain("InaccessibleObjectException")
 149                 .stderrShouldContain(ILLEGAL_ACCESS_WARNING)
 150                 .shouldHaveExitValue(0);
 151     }
 152 
 153     /**
 154      * Permit repeated calls to setAccessible to succeed
 155      */
 156     public void testRepeatedSetAccessiblePermitted() throws Exception {
 157         OutputAnalyzer outputAnalyzer = tryActionPermittingIllegalAccess("setAccessible", 10)
 158                 .stdoutShouldNotContain(WARNING)
 159                 .stdoutShouldNotContain("InaccessibleObjectException")
 160                 .stderrShouldContain(STARTUP_WARNING)
 161                 .stderrShouldNotContain("InaccessibleObjectException")
 162                 .stderrShouldContain(ILLEGAL_ACCESS_WARNING)
 163                 .shouldHaveExitValue(0);
 164 
 165         // should only have one illegal access warning
 166         assertTrue(containsCount(outputAnalyzer.asLines(), ILLEGAL_ACCESS_WARNING) == 1);
 167     }
 168 
 169     /**
 170      * Permit trySetAccessible to succeed
 171      */
 172     public void testTrySetAccessiblePermitted() throws Exception {
 173         tryActionPermittingIllegalAccess("trySetAccessible", 1)
 174                 .stdoutShouldNotContain(WARNING)
 175                 .stderrShouldContain(STARTUP_WARNING)
 176                 .stderrShouldContain(ILLEGAL_ACCESS_WARNING)
 177                 .shouldHaveExitValue(0);
 178     }
 179 
 180     /**
 181      * Permit repeated calls to trySetAccessible to succeed
 182      */
 183     public void testRepeatedTrySetAccessiblePermitted() throws Exception {
 184         OutputAnalyzer outputAnalyzer = tryActionPermittingIllegalAccess("trySetAccessible", 10)
 185                 .stdoutShouldNotContain(WARNING)
 186                 .stdoutShouldNotContain("InaccessibleObjectException")
 187                 .stderrShouldContain(STARTUP_WARNING)
 188                 .stderrShouldNotContain("InaccessibleObjectException")
 189                 .stderrShouldContain(ILLEGAL_ACCESS_WARNING)
 190                 .shouldHaveExitValue(0);
 191 
 192         // should only have one illegal access warning
 193         assertTrue(containsCount(outputAnalyzer.asLines(), ILLEGAL_ACCESS_WARNING) == 1);
 194 
 195     }
 196 
 197     /**
 198      * Returns the number of lines in the given input that contain the
 199      * given char sequence.
 200      */
 201     private int containsCount(List<String> lines, CharSequence cs) {
 202         int count = 0;
 203         for (String line : lines) {
 204             if (line.contains(cs)) count++;
 205         }
 206         return count;
 207     }
 208 }