test/hotspot/jtreg/runtime/Nestmates/privateMethods/TestInvokeErrors.java
changeset 50735 2f2af62dfac7
child 52066 49a21be61dcd
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/Nestmates/privateMethods/TestInvokeErrors.java	Sat Jun 23 01:32:41 2018 -0400
@@ -0,0 +1,119 @@
+/*
+ * 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 Setup nestmate calls to private methods then use
+ *          modified jcod classes to introduce errors. Test with
+ *          and without verification enabled
+ * @compile TestInvokeErrors.java
+ * @compile MissingMethod.jcod
+ *          MissingMethodWithSuper.jcod
+ *          MissingNestHost.jcod
+ * @run main TestInvokeErrors true
+ * @run main/othervm -Xverify:none TestInvokeErrors false
+ */
+
+public class TestInvokeErrors {
+
+    static class Nested {
+        private void priv_invoke() {
+            System.out.println("Nested::priv_invoke");
+        }
+    }
+
+    static class MissingMethod {
+        // jcod version will rename this method to not_priv_invoke
+        private void priv_invoke() {
+            System.out.println("MissingMethod::priv_invoke");
+        }
+    }
+
+    static class MissingMethodWithSuper extends Nested {
+        // jcod version will rename this method to not_priv_invoke
+        private void priv_invoke() {
+            System.out.println("MissingMethodWithSuper::priv_invoke");
+        }
+    }
+
+    static class MissingNestHost {
+        // jcod version will change NestHost to a non-existent class
+        private void priv_invoke() {
+            System.out.println("MissingNestHost::priv_invoke");
+        }
+    }
+
+    // Helper class adds a level of indirection to avoid the main class
+    // failing verification if these tests are written directly in main.
+    // That can only happen if using invokespecial for nestmate invocation.
+    static class Helper {
+        static void doTest() {
+            try {
+                MissingNestHost m = new MissingNestHost();
+                m.priv_invoke();
+                throw new Error("Unexpected success invoking MissingNestHost.priv_invoke");
+            }
+            catch (NoClassDefFoundError ncdfe) {
+                System.out.println("Got expected exception:" + ncdfe);
+            }
+        }
+    }
+
+    public static void main(String[] args) throws Throwable {
+        // some errors change depending on whether they are caught by the
+        // verifier first
+        boolean verifying = Boolean.parseBoolean(args[0]);
+        System.out.println("Verification is " +
+                           (verifying ? "enabled" : "disabled"));
+
+        try {
+            MissingMethod m = new MissingMethod();
+            m.priv_invoke();
+            throw new Error("Unexpected success invoking MissingMethod.priv_invoke");
+        }
+        catch (NoSuchMethodError nsme) {
+            System.out.println("Got expected exception:" + nsme);
+        }
+
+        try {
+            MissingMethodWithSuper m = new MissingMethodWithSuper();
+            m.priv_invoke();
+            throw new Error("Unexpected success invoking MissingMethodWithSuper.priv_invoke");
+        }
+        catch (NoSuchMethodError nsme) {
+            System.out.println("Got expected exception:" + nsme);
+        }
+
+        // Verification of Helper will trigger the nestmate access check failure
+        try {
+            Helper.doTest();
+        }
+        catch (NoClassDefFoundError ncdfe) {
+            if (verifying)
+                System.out.println("Got expected exception:" + ncdfe);
+            else
+                throw new Error("Unexpected error loading Helper class with verification disabled");
+        }
+    }
+}