1 /*
   2  * Copyright (c) 2019, 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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  22  */
  23 
  24 /*
  25  * @test TestSunBootLibraryPath.java
  26  * @bug 8227021
  27  * @summary Confirm using too-long paths in sun.boot.library.path causes failure and useful error message.
  28  * @author afarley
  29  * @library /test/lib
  30  * @build jdk.test.lib.process.ProcessTools
  31  * @run driver TestSunBootLibraryPath
  32  */
  33 
  34 import jdk.test.lib.process.ProcessTools;
  35 
  36 public class TestSunBootLibraryPath {
  37     static String expectedErrorMessage = "The VM tried to use a path that exceeds the maximum path length for this system.";
  38 
  39     public static void main(String[] args) throws Exception {
  40         // Allows us to re-use this class as a do-nothing test class simply by passing a "Do-Nothing" argument.
  41         if (args.length == 0) {
  42             // Grab any path.
  43             String tooLongPath = System.getProperty("sun.boot.library.path");
  44             // Add enough characters to make it "too long".
  45             tooLongPath += "a".repeat(5000);
  46             // Start a java process with this property set, and check that:
  47             // 1) The process failed and
  48             // 2) The error message was correct.
  49             ProcessTools.executeTestJvm("-Dsun.boot.library.path=" + tooLongPath,
  50                                         "TestSunBootLibraryPath",
  51                                         "'Do-Nothing'")
  52                                         .shouldNotHaveExitValue(0)
  53                                         .stdoutShouldContain(expectedErrorMessage);
  54         } else if (!args[0].equals("Do-Nothing")) {
  55             // Fail, to prevent accidental args from causing accidental test passing.
  56             throw new IllegalArgumentException("Test was launched with an invalid argument.");
  57         } 
  58     }
  59 }