// Copyright 2012 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. var a = []; var new_space_string = "a"; for (var i = 0; i < 8; i++) { new_space_string += new_space_string; } for (var i = 0; i < 10000; i++) a.push(new_space_string); // At some point during the first stringify, allocation causes a GC and // new_space_string is moved to old space. Make sure that this does not // screw up reading from the correct location. json1 = JSON.stringify(a); json2 = JSON.stringify(a); assertTrue(json1 == json2, "GC caused JSON.stringify to fail."); // Check that the slow path of JSON.stringify works correctly wrt GC. for (var i = 0; i < 10000; i++) { var s = i.toString(); assertEquals('"' + s + '"', JSON.stringify(s, null, 0)); } for (var i = 0; i < 10000; i++) { var s = i.toString() + "\u2603"; assertEquals('"' + s + '"', JSON.stringify(s, null, 0)); }