michael@0: // |reftest| skip
michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /*
michael@0:  * Any copyright is dedicated to the Public Domain.
michael@0:  * http://creativecommons.org/licenses/publicdomain/
michael@0:  * Contributor: Jason Orendorff
michael@0:  */
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: 
michael@0: var summary = "Contention among threads enumerating properties";
michael@0: // Adapted from mozilla/js/src/xpconnect/tests/js/old/threads.js
michael@0: 
michael@0: printStatus (summary);
michael@0: 
michael@0: var LOOP_COUNT = 1000;
michael@0: var THREAD_COUNT = 10;
michael@0: 
michael@0: var foo;
michael@0: var bar;
michael@0: 
michael@0: function makeWorkerFn(id) {
michael@0:   return function() {
michael@0:     foo = id + 1;
michael@0:     bar[id] = {p: 0};
michael@0:     var n, m;
michael@0:     for (n in bar) {
michael@0:       for (m in bar[n]) {}
michael@0:     }
michael@0:     for (n in parent({})) {}
michael@0:   };
michael@0: }
michael@0: 
michael@0: function range(n) {
michael@0:   for (let i = 0; i < n; i++)
michael@0:     yield i;
michael@0: }
michael@0: 
michael@0: var expect;
michael@0: var actual;
michael@0: 
michael@0: expect = actual = 'No crash';
michael@0: if (typeof scatter == 'undefined') {
michael@0:   print('Test skipped. scatter not defined.');
michael@0: } else if (typeof parent === "undefined") {
michael@0:   print('Test skipped, no parent() function.');
michael@0: } else {
michael@0:   for (let i = 0; i < LOOP_COUNT; i++) {
michael@0:     foo = 0;
michael@0:     bar = new Array(THREAD_COUNT);
michael@0:     scatter([makeWorkerFn(j) for (j in range(THREAD_COUNT))]);
michael@0:   }
michael@0: }
michael@0: 
michael@0: reportCompare(expect, actual, summary);