test/hotspot/jtreg/runtime/modules/AccessCheckWorks.java
changeset 47216 71c04702a3d5
parent 46404 ae62ba99a1a7
child 48791 6e079ff6c83c
equal deleted inserted replaced
47215:4ebc2e2fb97c 47216:71c04702a3d5
       
     1 /*
       
     2  * Copyright (c) 2016, 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  * @modules java.base/jdk.internal.misc
       
    27  * @library /test/lib ..
       
    28  * @compile p2/c2.java
       
    29  * @compile p1/c1.java
       
    30  * @build sun.hotspot.WhiteBox
       
    31  * @compile/module=java.base java/lang/ModuleHelper.java
       
    32  * @run main ClassFileInstaller sun.hotspot.WhiteBox
       
    33  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
       
    34  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI AccessCheckWorks
       
    35  */
       
    36 
       
    37 import static jdk.test.lib.Asserts.*;
       
    38 
       
    39 public class AccessCheckWorks {
       
    40 
       
    41     // Check that a class in a package in module_one can successfully access a
       
    42     // class in module_two when module_one can read module_two and the class's package
       
    43     // has been exported.
       
    44     public static void main(String args[]) throws Throwable {
       
    45         Object m1x, m2x;
       
    46 
       
    47         // Get the java.lang.Module object for module java.base.
       
    48         Class jlObject = Class.forName("java.lang.Object");
       
    49         Object jlObject_jlM = jlObject.getModule();
       
    50         assertNotNull(jlObject_jlM, "jlModule object of java.lang.Object should not be null");
       
    51 
       
    52         // Get the class loader for AccessCheckWorks and assume it's also used to
       
    53         // load classes p1.c1 and p2.c2.
       
    54         ClassLoader this_cldr = AccessCheckWorks.class.getClassLoader();
       
    55 
       
    56         // Define a module for p1.
       
    57         m1x = ModuleHelper.ModuleObject("module_one", this_cldr, new String[] { "p1" });
       
    58         assertNotNull(m1x, "Module should not be null");
       
    59         ModuleHelper.DefineModule(m1x, false, "9.0", "m1x/here", new String[] { "p1" });
       
    60         ModuleHelper.AddReadsModule(m1x, jlObject_jlM);
       
    61 
       
    62         // Define a module for p2.
       
    63         m2x = ModuleHelper.ModuleObject("module_two", this_cldr, new String[] { "p2" });
       
    64         assertNotNull(m2x, "Module should not be null");
       
    65         ModuleHelper.DefineModule(m2x, false, "9.0", "m2x/there", new String[] { "p2" });
       
    66         ModuleHelper.AddReadsModule(m2x, jlObject_jlM);
       
    67 
       
    68         // Make package p1 in m1x visible to everyone.
       
    69         ModuleHelper.AddModuleExportsToAll(m1x, "p1");
       
    70 
       
    71         // p1.c1's ctor tries to call a method in p2.c2.  This should work because
       
    72         // p1's module can read p2's module and p2 is exported to p1's module.
       
    73         ModuleHelper.AddReadsModule(m1x, m2x);
       
    74         ModuleHelper.AddModuleExports(m2x, "p2", m1x);
       
    75         Class p1_c1_class = Class.forName("p1.c1");
       
    76         p1_c1_class.newInstance();
       
    77     }
       
    78 }
       
    79