1 // Copyright 2010 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-new-space-size=256 29 "use strict"; 30 31 // Check for GC bug constructing exceptions. 32 var v = [1, 2, 3, 4] 33 34 Object.preventExtensions(v); 35 36 function foo() { 37 var re = /2147483647/; // Equal to 0x7fffffff. 38 for (var i = 0; i < 10000; i++) { 39 var ok = false; 40 try { 41 var j = 1; 42 // Allocate some heap numbers in order to randomize the behaviour of the 43 // garbage collector. 93 is chosen to be a prime number to avoid the 44 // allocation settling into a too neat pattern. 45 for (var j = 0; j < i % 93; j++) { 46 j *= 1.123567; // An arbitrary floating point number. 47 } 48 v[0x7fffffff] = 0; // Trigger exception. 49 assertTrue(false); 50 return j; // Make sure that future optimizations don't eliminate j. 51 } catch(e) { 52 ok = true; 53 assertTrue(re.test(e), 'e: ' + e); 54 } 55 assertTrue(ok); 56 } 57 } 58 59 foo(); 60
