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.
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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 *
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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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