--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/Nestmates/legacy/TestPrivateLookup.java Sat Jun 23 01:32:41 2018 -0400
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2018, 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 that private Lookup works for both nestmate-enabled classes
+ * and legacy classes
+ * @compile TestPrivateLookup.java
+ * @run main TestPrivateLookup
+ * @compile -source 10 -target 10 TestPrivateLookup.java
+ * @run main TestPrivateLookup noNestmates
+ */
+
+// Need the explicit first @compile above so that jtreg forces recompilation
+// with latest version. Otherwise compile-on-demand sees the JDK 10 version
+// and assumes it is up to date and then runs the test using that version -
+// which fails.
+
+import java.lang.invoke.*;
+import static java.lang.invoke.MethodHandles.*;
+import static java.lang.invoke.MethodType.*;
+
+public class TestPrivateLookup {
+
+ static boolean compiledForNestmates;
+
+ static class C {
+ static class D {
+ private void m() { }
+ }
+
+ static void test() throws Throwable {
+ MethodType M_T = MethodType.methodType(void.class);
+ // Direct lookup from C
+ Lookup l = lookup();
+ try {
+ MethodHandle mh = l.findVirtual(D.class, "m", M_T);
+ if (compiledForNestmates) {
+ System.out.println("Lookup of D.m from C succeeded as expected with nestmates");
+ }
+ else {
+ throw new Error("Unexpected success when not compiled for nestmates!");
+ }
+ }
+ catch (IllegalAccessException iae) {
+ if (!compiledForNestmates) {
+ System.out.println("Lookup of D.m from C failed as expected without nestmates");
+ }
+ else {
+ throw new Error("Unexpected failure with nestmates", iae);
+ }
+ }
+ // switch lookup class to D
+ l = l.in(D.class);
+ try {
+ MethodHandle mh = l.findVirtual(D.class, "m", M_T);
+ System.out.println("Lookup of D.m from D succeeded as expected" +
+ " with" + (compiledForNestmates ? "" : "out") +
+ " nestmates");
+ }
+ catch (IllegalAccessException iae) {
+ throw new Error("Lookup of D.m from D failed", iae);
+ }
+ }
+ }
+
+ public static void main(String[] args) throws Throwable {
+
+ // If there's no nesthost attribute A.getNestHost() == A
+ compiledForNestmates = C.D.class.getNestHost() == TestPrivateLookup.class;
+ // sanity check
+ boolean expectingNestmates = args.length == 0;
+
+ if (compiledForNestmates && !expectingNestmates) {
+ throw new Error("Test is being run incorrectly: " +
+ "nestmates are being used but not expected");
+ }
+ if (expectingNestmates && !compiledForNestmates) {
+ throw new Error("Test is being run incorrectly: " +
+ "nestmates are expected but not being used");
+ }
+ System.out.println("Testing with" + (expectingNestmates ? "" : "out") +
+ " nestmates");
+
+ C.test();
+ }
+}