// Copyright 2015 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // Flags: --max-old-space-size=60 --check-handle-count table = []; for (var i = 0; i < 32; i++) { table[i] = String.fromCharCode(i + 0x410); } var random = (function() { var seed = 10; return function() { seed = (seed * 1009) % 8831; return seed; }; })(); function key(length) { var s = ""; for (var i = 0; i < length; i++) { s += table[random() % 32]; } return '"' + s + '"'; } function value() { return '[{' + '"field1" : ' + random() + ', "field2" : ' + random() + '}]'; } function generate(n) { var s = '{'; for (var i = 0; i < n; i++) { if (i > 0) s += ', '; s += key(random() % 10 + 7); s += ':'; s += value(); } s += '}'; return s; } print("generating"); var str = generate(50000); print("parsing " + str.length); JSON.parse(str); print("done");