hotspot/test/runtime/modules/AccessCheck/DiffCL_PkgNotExp.java
author |
alanb |
|
Thu, 17 Mar 2016 19:04:01 +0000 |
changeset 36508 |
5f9eee6b383b |
child 38152 |
80e5da81fb2c |
permissions |
-rw-r--r-- |
8142968: Module System implementation
Summary: Initial integration of JEP 200, JEP 260, JEP 261, and JEP 282
Reviewed-by: acorn, ccheung, coleenp, ctornqvi, dholmes, dsimms, gtriantafill, iklam, jiangli, mgronlun, mseledtsov, cjplummer, sspitsyn, stefank, twisti, hseigel, lfoltan, alanb, mchung, dfazunen
Contributed-by: alan.bateman@oracle.com, alex.buckley@oracle.com, jonathan.gibbons@oracle.com, karen.kinnear@oracle.com, mandy.chung@oracle.com, mark.reinhold@oracle.com, harold.seigel@oracle.com, lois.foltan@oracle.com, calvin.cheung@oracle.com, christian.tornqvist@oracle.com, erik.joelsson@oracle.com, george.triantafillou@oracle.com, igor.ignatyev@oracle.com, ioi.lam@oracle.com, james.laskey@oracle.com, jean-francois.denise@oracle.com, jiangli.zhou@oracle.com, markus.gronlund@oracle.com, serguei.spitsyn@oracle.com, staffan.larsen@oracle.com, sundararajan.athijegannathan@oracle.com
/*
* Copyright (c) 2016, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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
* @summary Test that if module m1 can read module m2, but package p2 in m2 is not
* exported, then class p1.c1 in m1 can not read p2.c2 in m2.
* @library /testlibrary /test/lib
* @compile myloaders/MyDiffClassLoader.java
* @compile p2/c2.java
* @compile p1/c1.java
* @build DiffCL_PkgNotExp
* @run main/othervm -Xbootclasspath/a:. DiffCL_PkgNotExp
*/
import static jdk.test.lib.Asserts.*;
import java.lang.reflect.Layer;
import java.lang.module.Configuration;
import java.lang.module.ModuleDescriptor;
import java.lang.module.ModuleFinder;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import myloaders.MyDiffClassLoader;
//
// ClassLoader1 --> defines m1 --> packages p1
// ClassLoader2 --> defines m2 --> packages p2
//
// m1 can read m2
// package p2 in m2 is not exported
//
// class p1.c1 defined in m1 tries to access p2.c2 defined in m2
// Access denied since p2 is not exported.
//
public class DiffCL_PkgNotExp {
// Create a Layer over the boot layer.
// Define modules within this layer to test access between
// publically defined classes within packages of those modules.
public void createLayerOnBoot() throws Throwable {
// Define module: m1
// Can read: java.base, m2
// Packages: p1
// Packages exported: p1 is exported unqualifiedly
ModuleDescriptor descriptor_m1 =
new ModuleDescriptor.Builder("m1")
.requires("java.base")
.requires("m2")
.exports("p1")
.build();
// Define module: m2
// Can read: java.base
// Packages: p2
// Packages exported: none
ModuleDescriptor descriptor_m2 =
new ModuleDescriptor.Builder("m2")
.requires("java.base")
.conceals("p2")
.build();
// Set up a ModuleFinder containing all modules for this layer.
ModuleFinder finder = ModuleLibrary.of(descriptor_m1, descriptor_m2);
// Resolves "m1"
Configuration cf = Layer.boot()
.configuration()
.resolveRequires(finder, ModuleFinder.empty(), Set.of("m1"));
// map each module to differing class loaders for this test
Map<String, ClassLoader> map = new HashMap<>();
map.put("m1", MyDiffClassLoader.loader1);
map.put("m2", MyDiffClassLoader.loader2);
// Create Layer that contains m1 & m2
Layer layer = Layer.boot().defineModules(cf, map::get);
assertTrue(layer.findLoader("m1") == MyDiffClassLoader.loader1);
assertTrue(layer.findLoader("m2") == MyDiffClassLoader.loader2);
assertTrue(layer.findLoader("java.base") == null);
// now use the same loader to load class p1.c1
Class p1_c1_class = MyDiffClassLoader.loader1.loadClass("p1.c1");
try {
p1_c1_class.newInstance();
throw new RuntimeException("Failed to get IAE (p2 in m2 is not exported)");
} catch (IllegalAccessError e) {
System.out.println(e.getMessage());
if (!e.getMessage().contains("does not export")) {
throw new RuntimeException("Wrong message: " + e.getMessage());
}
}
}
public static void main(String args[]) throws Throwable {
DiffCL_PkgNotExp test = new DiffCL_PkgNotExp();
test.createLayerOnBoot();
}
}