1// Copyright 2015 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28// Flags: --max-old-space-size=60 --check-handle-count 29 30table = []; 31 32for (var i = 0; i < 32; i++) { 33 table[i] = String.fromCharCode(i + 0x410); 34} 35 36 37var random = (function() { 38 var seed = 10; 39 return function() { 40 seed = (seed * 1009) % 8831; 41 return seed; 42 }; 43})(); 44 45 46function key(length) { 47 var s = ""; 48 for (var i = 0; i < length; i++) { 49 s += table[random() % 32]; 50 } 51 return '"' + s + '"'; 52} 53 54 55function value() { 56 return '[{' + '"field1" : ' + random() + ', "field2" : ' + random() + '}]'; 57} 58 59 60function generate(n) { 61 var s = '{'; 62 for (var i = 0; i < n; i++) { 63 if (i > 0) s += ', '; 64 s += key(random() % 10 + 7); 65 s += ':'; 66 s += value(); 67 } 68 s += '}'; 69 return s; 70} 71 72 73print("generating"); 74 75var str = generate(50000); 76 77print("parsing " + str.length); 78JSON.parse(str); 79 80print("done"); 81