--- old/test/nashorn/script/basic/JDK-8136544.js 2020-04-15 19:04:08.000000000 +0530 +++ /dev/null 2020-04-15 19:04:08.000000000 +0530 @@ -1,64 +0,0 @@ -/* - * Copyright (c) 2015, 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-8136544: Call site switching to megamorphic causes incorrect property read - * - * @test - * @option --unstable-relink-threshold=8 - * @run - */ - -var ScriptContext = Java.type("javax.script.ScriptContext"); -var ScriptEngineManager = Java.type("javax.script.ScriptEngineManager"); -var m = new ScriptEngineManager(); -var e = m.getEngineByName("nashorn"); - -var scope = e.getBindings(ScriptContext.ENGINE_SCOPE); -var MYVAR = "myvar"; - -function loopupVar() { - try { - e.eval(MYVAR); - return true; - } catch (e) { - return false; - } -} - -// make sure we exercise callsite beyond megamorphic threshold we set -// in this test via nashorn.unstable.relink.threshold property -// In each iteration, callsite is exercised twice (two evals) -// So, LIMIT should be more than 4 to exercise megamorphic callsites. - -var LIMIT = 5; // This LIMIT should be more than 4 - -for (var i = 0; i < LIMIT; i++) { - // remove the variable and lookup - delete scope[MYVAR]; - Assert.assertFalse(loopupVar(), "Expected true in iteration " + i); - - // set that variable and check again - scope[MYVAR] = "foo"; - Assert.assertTrue(loopupVar(), "Expected false in iteration " + i); -}