test/java/lang/invoke/MethodHandles/privateLookupIn/test/p/PrivateLookupInTests.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 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.

@@ -124,10 +124,30 @@
         // get obj field
         MethodHandle mh = lookup.findStaticGetter(clazz, "obj", Object.class);
         Object obj = mh.invokeExact();
     }
 
+    // test target class in unnamed module
+    public void testTargetClassInUnnamedModule() throws Throwable {
+        Class<?> clazz = Class.forName("Unnamed");
+        assertFalse(clazz.getModule().isNamed());
+
+        // thisModule does not read the unnamed module
+        Module thisModule = getClass().getModule();
+        assertFalse(thisModule.canRead(clazz.getModule()));
+        try {
+            MethodHandles.privateLookupIn(clazz, MethodHandles.lookup());
+            assertTrue(false);
+        } catch (IllegalAccessException expected) { }
+
+        // thisModule reads the unnamed module
+        thisModule.addReads(clazz.getModule());
+        Lookup lookup = MethodHandles.privateLookupIn(clazz, MethodHandles.lookup());
+        assertTrue(lookup.lookupClass() == clazz);
+        assertTrue(lookup.hasPrivateAccess());
+    }
+
     // test does not read m2, m2 opens p2 to test
     @Test(expectedExceptions = {IllegalAccessException.class})
     public void testCallerDoesNotRead() throws Throwable {
         // m2/p2.Type
         Class<?> clazz = Class.forName("p2.Type");