59 lines
1.7 KiB
JavaScript
59 lines
1.7 KiB
JavaScript
/*
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* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* JDK-8185119: Uninitialized const when using multiple threads
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*
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* @test
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* @option --language=es6
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* @run
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*/
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function f() {
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let a;
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const b = {};
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b.crash; // b is sometimes undefined
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function c() {
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a; b;
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}
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}
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let count = new java.util.concurrent.atomic.AtomicInteger();
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let T = Java.extend(Java.type('java.lang.Thread'), {
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run: function() {
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for (let j = 0; j < 100; j++) {
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f();
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}
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count.getAndIncrement();
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}
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});
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const threads = [new T(), new T(), new T(), new T()];
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threads.forEach(t => t.start());
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threads.forEach(t => t.join());
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Assert.assertEquals(count.intValue(), 4);
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