--- old/test/nashorn/script/basic/JDK-8044750.js 2020-04-15 19:01:09.000000000 +0530 +++ /dev/null 2020-04-15 19:01:09.000000000 +0530 @@ -1,83 +0,0 @@ -/* - * Copyright (c) 2014, 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. - */ - -/** - * JDK-8044750: megamorphic getter for scope objects does not call __noSuchProperty__ hook - * - * @test - * @option --unstable-relink-threshold=16 - * @run - */ - -__noSuchProperty__ = function(name) { - return 1; -} - -function func(obj) { - with(obj) { - // this "foo" getter site becomes megamorphic - // due to different 'with' scope objects. - foo; - } -} - -var LIMIT = 20; // should be more than megamorphic threshold set via @option - -for (var i = 0; i < LIMIT; i++) { - var obj = {}; - obj.foo = i; - obj[i] = i; - func(obj); -} - -// pass a 'with' scope object that does not have 'foo'. -// callsite inside func should see __noSuchProperty__ -// hook on global scope object. -func({}); - -function checkFoo() { - with({}) { - try { - foo; - return true; - } catch (e) { - return false; - } - } -} - -var oldNoSuchProperty = this.__noSuchProperty__; -delete this.__noSuchProperty__; - -// keep deleting/restorting __noSuchProperty__ alternatively -// to make "foo" access in checkFoo function megamorphic! - -for (var i = 0; i < LIMIT; i++) { - // no __noSuchProperty__ and 'with' scope object has no 'foo' - delete __noSuchProperty__; - Assert.assertFalse(checkFoo(), "Expected false in iteration " + i); - - // __noSuchProperty__ is exists but 'with' scope object has no 'foo' - this.__noSuchProperty__ = oldNoSuchProperty; - Assert.assertTrue(checkFoo(), "Expected true in iteration " + i); -}