JDK-8046026.js revision 956:25a50ee3bb8a
1/* 2 * Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/** 25 * JDK-8046026: CompiledFunction.relinkComposableInvoker assert is being hit 26 * JDK-8044770: crash with jdk9-dev/nashorn during global object initialization from MT test 27 * JDK-8047770: NPE in deoptimizing recompilation in multithreaded 28 * 29 * @test 30 * @run 31 */ 32 33(function() { 34var n = 1 << 25; 35var ThreadLocalRandom = java.util.concurrent.ThreadLocalRandom; 36var m = java.util.stream.IntStream.range(0, n) 37 .parallel() // this is the essence of this test. We must trigger parallel execution 38 .filter(function() { 39 var tlr = ThreadLocalRandom.current(); 40 41 var x = tlr.nextDouble(-1.0, 1.0); 42 var y = tlr.nextDouble(-1.0, 1.0); 43 44 return x * x + y * y <= 1.0; 45 }) 46 .count(); 47var pi = (4.0 * m) / n; 48print(pi.toFixed(2)); 49})() 50