--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/modules/ModuleStress/ModuleSameCLMain.java Tue Jun 28 10:11:01 2016 -0400
@@ -0,0 +1,109 @@
+/*
+ * 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.
+ */
+
+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;
+
+//
+// ClassLoader1 --> defines m1 --> packages p1
+// ClassLoader1 --> defines m2 --> packages p2
+//
+// m1 can read m2
+// package p2 in m2 is exported to m1
+//
+// class p1.c1 defined in m1 tries to access p2.c2 defined in m2
+// Access allowed since m1 can read m2 and package p2 is exported to m1.
+//
+public class ModuleSameCLMain {
+
+ // 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 to 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: package p2 is exported to m1
+ ModuleDescriptor descriptor_m2 =
+ new ModuleDescriptor.Builder("m2")
+ .requires("java.base")
+ .exports("p2", "m1")
+ .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.of(), Set.of("m1"));
+
+ // map each module to the same class loader for this test
+ Map<String, ClassLoader> map = new HashMap<>();
+ Loader1 cl1 = new Loader1();
+ map.put("m1", cl1);
+ map.put("m2", cl1);
+
+ // Create Layer that contains m1 & m2
+ Layer layer = Layer.boot().defineModules(cf, map::get);
+ assertTrue(layer.findLoader("m1") == cl1);
+ assertTrue(layer.findLoader("m2") == cl1);
+ assertTrue(layer.findLoader("java.base") == null);
+
+ // now use the same loader to load class p1.c1
+ Class p1_c1_class = cl1.loadClass("p1.c1");
+ try {
+ p1_c1_class.newInstance();
+ } catch (IllegalAccessError e) {
+ throw new RuntimeException("Test Failed, an IAE should not be thrown since p2 is exported qualifiedly to m1");
+ }
+ }
+
+ public static void main(String args[]) throws Throwable {
+ ModuleSameCLMain test = new ModuleSameCLMain();
+ test.createLayerOnBoot();
+ }
+
+ static class Loader1 extends ClassLoader { }
+}