1// Copyright Joyent, Inc. and other Node contributors. 2// 3// Permission is hereby granted, free of charge, to any person obtaining a 4// copy of this software and associated documentation files (the 5// "Software"), to deal in the Software without restriction, including 6// without limitation the rights to use, copy, modify, merge, publish, 7// distribute, sublicense, and/or sell copies of the Software, and to permit 8// persons to whom the Software is furnished to do so, subject to the 9// following conditions: 10// 11// The above copyright notice and this permission notice shall be included 12// in all copies or substantial portions of the Software. 13// 14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 15// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 16// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN 17// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 18// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 19// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 20// USE OR OTHER DEALINGS IN THE SOFTWARE. 21 22'use strict'; 23require('../common'); 24const assert = require('assert'); 25 26const implementations = [ 27 function(fn) { 28 Promise.resolve().then(fn); 29 }, 30]; 31 32let expected = 0; 33let done = 0; 34 35process.on('exit', function() { 36 assert.strictEqual(done, expected); 37}); 38 39function test(scheduleMicrotask) { 40 let nextTickCalled = false; 41 expected++; 42 43 scheduleMicrotask(function() { 44 process.nextTick(function() { 45 nextTickCalled = true; 46 }); 47 48 setTimeout(function() { 49 assert(nextTickCalled); 50 done++; 51 }, 0); 52 }); 53} 54 55// first tick case 56implementations.forEach(test); 57 58// tick callback case 59setTimeout(function() { 60 implementations.forEach(function(impl) { 61 process.nextTick(test.bind(null, impl)); 62 }); 63}, 0); 64