regress-create-exception.js revision b8e0da25ee8efac3bb05cd6b2730aafbd96119f4
16ded16be15dd865a9b21ea304d5273c8be299c87Steve Block// Copyright 2010 the V8 project authors. All rights reserved. 2a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Redistribution and use in source and binary forms, with or without 3a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// modification, are permitted provided that the following conditions are 4a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// met: 5a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// 6a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// * Redistributions of source code must retain the above copyright 7a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// notice, this list of conditions and the following disclaimer. 8a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// * Redistributions in binary form must reproduce the above 9a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// copyright notice, this list of conditions and the following 10a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// disclaimer in the documentation and/or other materials provided 11a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// with the distribution. 12a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// * Neither the name of Google Inc. nor the names of its 13a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// contributors may be used to endorse or promote products derived 14a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// from this software without specific prior written permission. 15a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// 16a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 28f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch// Flags: --max-new-space-size=256 29a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 30f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch// Check for GC bug constructing exceptions. 31f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdochvar v = [1, 2, 3, 4] 32a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 33f87a203d89e1bbb6708282e0b64dbd13d59b723dBen MurdochObject.preventExtensions(v); 34f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch 35f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdochfunction foo() { 36f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch var re = /2147483647/; // Equal to 0x7fffffff. 37f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch for (var i = 0; i < 10000; i++) { 38f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch var ok = false; 39f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch try { 40f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch var j = 1; 41f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch // Allocate some heap numbers in order to randomize the behaviour of the 42f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch // garbage collector. 93 is chosen to be a prime number to avoid the 43f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch // allocation settling into a too neat pattern. 44f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch for (var j = 0; j < i % 93; j++) { 45f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch j *= 1.123567; // An arbitrary floating point number. 46f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch } 47f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch v[0x7fffffff] = 0; // Trigger exception. 48f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch assertTrue(false); 49f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch return j; // Make sure that future optimizations don't eliminate j. 50f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch } catch(e) { 51f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch ok = true; 52b8e0da25ee8efac3bb05cd6b2730aafbd96119f4Ben Murdoch assertTrue(re.test(e), 'e: ' + e); 53f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch } 54f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch assertTrue(ok); 55f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch } 566ded16be15dd865a9b21ea304d5273c8be299c87Steve Block} 57a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 58f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdochfoo(); 59