sundar@1541: /*
sundar@1541:  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
sundar@1541:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
sundar@1541:  *
sundar@1541:  * This code is free software; you can redistribute it and/or modify it
sundar@1541:  * under the terms of the GNU General Public License version 2 only, as
sundar@1541:  * published by the Free Software Foundation.
sundar@1541:  *
sundar@1541:  * This code is distributed in the hope that it will be useful, but WITHOUT
sundar@1541:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
sundar@1541:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
sundar@1541:  * version 2 for more details (a copy is included in the LICENSE file that
sundar@1541:  * accompanied this code).
sundar@1541:  *
sundar@1541:  * You should have received a copy of the GNU General Public License version
sundar@1541:  * 2 along with this work; if not, write to the Free Software Foundation,
sundar@1541:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
sundar@1541:  *
sundar@1541:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
sundar@1541:  * or visit www.oracle.com if you need additional information or have any
sundar@1541:  * questions.
sundar@1541:  */
sundar@1541: 
sundar@1541: /**
sundar@1541:  * JDK-8136694: Megemorphic scope access does not throw ReferenceError when property is missing
sundar@1541:  *
sundar@1541:  * @test
sundar@1541:  * @fork
sundar@1541:  * @option -Dnashorn.unstable.relink.threshold=16
sundar@1541:  * @run
sundar@1541:  */
sundar@1541: 
sundar@1541: function checkFoo() {
sundar@1541:     try {
sundar@1541:         // The 'foo' access becomes megamorphic
sundar@1541:         foo;
sundar@1541:         return true;
sundar@1541:     } catch (e) {
sundar@1541:         return false;
sundar@1541:     }
sundar@1541: }
sundar@1541: 
sundar@1541: 
sundar@1541: // Similar check for 'with' blocks as well.
sundar@1541: function checkFooInWith() {
sundar@1541:     with({}) {
sundar@1541:         try {
sundar@1541:             // The 'foo' access becomes megamorphic
sundar@1541:             foo;
sundar@1541:             return true;
sundar@1541:         } catch (e) {
sundar@1541:             return false;
sundar@1541:         }
sundar@1541:     }
sundar@1541: }
sundar@1541: 
sundar@1541: function loop(checker) {
sundar@1541:     // LIMIT has to be more than the megamorphic threashold
sundar@1541:     // set via @option in this test header!
sundar@1541:     var LIMIT = 20;
sundar@1541:     for (var i = 0; i < LIMIT; i++) {
sundar@1541:         // make sure global has no "foo"
sundar@1541:         delete foo;
sundar@1541:         Assert.assertFalse(checker(), "Expected false in interation " + i);
sundar@1541: 
sundar@1541:         // now add 'foo' in global
sundar@1541:         foo = 44;
sundar@1541:         Assert.assertTrue(checker(), "Expected true in interation " + i);
sundar@1541:     }
sundar@1541: }
sundar@1541: 
sundar@1541: 
sundar@1541: loop(checkFoo);
sundar@1541: loop(checkFooInWith);