test/hotspot/jtreg/runtime/Nestmates/privateConstructors/TestConstructorHierarchy.java
changeset 50735 2f2af62dfac7
child 50766 759f63d8a9fe
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/Nestmates/privateConstructors/TestConstructorHierarchy.java	Sat Jun 23 01:32:41 2018 -0400
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2017, 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.
+ *
+ * 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
+ * @bug 8046171
+ * @summary Test access to private constructors in the hierarchy that are
+ * outside the nest
+ * @compile TestConstructorHierarchy.java
+ * @compile ExternalSuper.jcod
+ *          ExternalSub.jcod
+ * @run main TestConstructorHierarchy
+ */
+
+public class TestConstructorHierarchy {
+
+    static class NestedA extends ExternalSuper {
+        private NestedA() {}
+        protected NestedA(int i) {} // for compile-time only
+    }
+
+    // Access to private members of classes outside the nest is
+    // not permitted. These tests should throw IllegalAccessError
+    // at runtime. To allow them to compile the classes below are
+    // defined with public members. We then replace those class files
+    // with jcod variants that make the member private again.
+
+    public static void main(String[] args) throws Throwable {
+        try {
+            new ExternalSuper();
+            throw new Error("Unexpected construction of ExternalSuper");
+        }
+        catch (IllegalAccessError iae) {
+            if (iae.getMessage().contains("tried to access method ExternalSuper.<init>()V from class TestConstructorHierarchy")) {
+                System.out.println("Got expected exception constructing ExternalSuper: " + iae);
+            }
+            else throw new Error("Unexpected IllegalAccessError: " + iae);
+        }
+        try {
+            new NestedA();
+            throw new Error("Unexpected construction of NestedA and supers");
+        }
+        catch (IllegalAccessError iae) {
+            if (iae.getMessage().contains("tried to access method ExternalSuper.<init>()V from class TestConstructorHierarchy$NestedA")) {
+                System.out.println("Got expected exception constructing NestedA: " + iae);
+            }
+            else throw new Error("Unexpected IllegalAccessError: " + iae);
+        }
+        try {
+            new ExternalSub();
+            throw new Error("Unexpected construction of ExternalSub");
+        }
+        catch (IllegalAccessError iae) {
+            if (iae.getMessage().contains("tried to access method TestConstructorHierarchy$NestedA.<init>()V from class ExternalSub")) {
+                System.out.println("Got expected exception constructing ExternalSub: " + iae);
+            }
+            else throw new Error("Unexpected IllegalAccessError: " + iae);
+        }
+    }
+}
+
+// Classes that are not part of the nest.
+// Being non-public allows us to declare them in this file.
+// The constructor is public to allow this file to compile, but
+// the jcod files change it back to private.
+
+class ExternalSuper {
+    public ExternalSuper() { }
+}
+
+
+class ExternalSub extends TestConstructorHierarchy.NestedA {
+    public ExternalSub() {
+        super(0); // this is changed to super() in jcod file
+    }
+}