hotspot/test/runtime/modules/AccessCheck/UmodUpkg_ExpQualOther.java
changeset 36508 5f9eee6b383b
child 38152 80e5da81fb2c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/modules/AccessCheck/UmodUpkg_ExpQualOther.java	Thu Mar 17 19:04:01 2016 +0000
@@ -0,0 +1,136 @@
+/*
+ * 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 class c5 in an unnamed module can read package p6 in module m2, but package p6 in module m2 is
+ *          exported qualifiedly to module m3, then class c5 in an unnamed module can not read p6.c6 in module m2.
+ * @library /testlibrary /test/lib
+ * @compile myloaders/MySameClassLoader.java
+ * @compile p6/c6.java
+ * @compile c5.java
+ * @build UmodUpkg_ExpQualOther
+ * @run main/othervm -Xbootclasspath/a:. UmodUpkg_ExpQualOther
+ */
+
+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.MySameClassLoader;
+
+//
+// ClassLoader1 --> defines m1 --> no packages
+//                  defines m2 --> packages p6
+//                  defines m3 --> packages p3
+//
+// m1 can read m2
+// package p6 in m2 is exported to m3
+//
+// class c5 defined in m1 tries to access p6.c6 defined in m2
+// Access denied since although m1 can read m2, p6 is exported only to m3.
+//
+public class UmodUpkg_ExpQualOther {
+
+    // 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 (need to define m1 to establish the Layer successfully)
+        // Can read:          java.base, m2, m3
+        // Packages:          none
+        // Packages exported: none
+        ModuleDescriptor descriptor_m1 =
+                new ModuleDescriptor.Builder("m1")
+                        .requires("java.base")
+                        .requires("m2")
+                        .requires("m3")
+                        .build();
+
+        // Define module:     m2
+        // Can read:          java.base
+        // Packages:          p6
+        // Packages exported: p6 is exported to m3
+        ModuleDescriptor descriptor_m2 =
+                new ModuleDescriptor.Builder("m2")
+                        .requires("java.base")
+                        .exports("p6", "m3")
+                        .build();
+
+        // Define module:     m3
+        // Can read:          java.base
+        // Packages:          p3
+        // Packages exported: none
+        ModuleDescriptor descriptor_m3 =
+                new ModuleDescriptor.Builder("m3")
+                        .requires("java.base")
+                        .build();
+
+        // Set up a ModuleFinder containing all modules for this layer.
+        ModuleFinder finder = ModuleLibrary.of(descriptor_m1, descriptor_m2, descriptor_m3);
+
+        // 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", MySameClassLoader.loader1);
+        map.put("m2", MySameClassLoader.loader1);
+        map.put("m3", MySameClassLoader.loader1);
+
+        // Create Layer that contains m1, m2 and m3
+        Layer layer = Layer.boot().defineModules(cf, map::get);
+
+        assertTrue(layer.findLoader("m1") == MySameClassLoader.loader1);
+        assertTrue(layer.findLoader("m2") == MySameClassLoader.loader1);
+        assertTrue(layer.findLoader("m3") == MySameClassLoader.loader1);
+        assertTrue(layer.findLoader("java.base") == null);
+
+        // now use the same loader to load class c5
+        Class c5_class = MySameClassLoader.loader1.loadClass("c5");
+        try {
+            c5_class.newInstance();
+            throw new RuntimeException("Failed to get IAE (p6 in m2 is exported to m3, not unqualifiedly to everyone)");
+        } 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 {
+      UmodUpkg_ExpQualOther test = new UmodUpkg_ExpQualOther();
+      test.createLayerOnBoot();
+    }
+}