1bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// Copyright 2009 the V8 project authors. All rights reserved. 2bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// Redistribution and use in source and binary forms, with or without 3bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// modification, are permitted provided that the following conditions are 4bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// met: 5bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// 6bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// * Redistributions of source code must retain the above copyright 7bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// notice, this list of conditions and the following disclaimer. 8bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// * Redistributions in binary form must reproduce the above 9bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// copyright notice, this list of conditions and the following 10bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// disclaimer in the documentation and/or other materials provided 11bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// with the distribution. 12bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// * Neither the name of Google Inc. nor the names of its 13bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// contributors may be used to endorse or promote products derived 14bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// from this software without specific prior written permission. 15bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// 16bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 28bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// Test that we can make large object literals that work. 29bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// Also test that we can attempt to make even larger object literals without 30bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// crashing. 31bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.orgfunction testLiteral(size, array_in_middle) { 32bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org print(size); 33bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 34bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org var f; 35bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 36bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org // Build object-literal string. 37bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org var literal = "function f() { return "; 38bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 39bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org for (var i = 0; i < size; i++) { 40bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org literal += "{a:"; 41bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org } 42bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 43bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org literal += array_in_middle ? " [42.2]" : "{a:42.2}"; 44bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 45bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org for (var i = 0; i < size; i++) { 46bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org literal += "}"; 47bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org if (i < size - 1) { 48bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org literal += ", b:42, c:/asd/, x:'foo', y:[], z:new Object()"; 49bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org } 50bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org } 51bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 52bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org literal += "; }"; 53bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 54bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org // Create the object literal. 55bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org eval(literal); 56bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 57bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org var x = f(); 58bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 59bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org // Check that the properties have the expected values. 60bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org for (var i = 0; i < size; i++) { 61bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org x = x.a; 62bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org } 63bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 64bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org if (array_in_middle) { 65bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org assertEquals(42.2, x[0]), "x array in middle"; 66bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org x[0] = 41.2; 67bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org } else { 68bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org assertEquals(42.2, x.a, "x object in middle"); 69bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org x.a = 41.2; 70bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org } 71bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 72bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org var y = f(); 73bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org for (var i = 0; i < size; i++) { 74bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org y = y.a; 75bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org } 76bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 77bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org if (array_in_middle) { 78bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org assertEquals(42.2, y[0], "y array in middle"); 79bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org y[0] = 41.2; 80bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org } else { 81bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org assertEquals(42.2, y.a, "y object in middle"); 82bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org y.a = 41.2; 83bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org } 84bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org} 85bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 86bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// The sizes to test. 8768ac009f55a85e6891742d58914eaf717f667b26kasperl@chromium.orgvar sizes = [1, 2, 100, 200]; 88bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 89bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// Run the test. 90bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.orgfor (var i = 0; i < sizes.length; i++) { 91bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org testLiteral(sizes[i], false); 92bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org testLiteral(sizes[i], true); 93bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org} 94bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 95c3669763e2617aefdac84a072327b201b3dff129jkummerow@chromium.org 96c3669763e2617aefdac84a072327b201b3dff129jkummerow@chromium.orgfunction checkExpectedException(e) { 97c3669763e2617aefdac84a072327b201b3dff129jkummerow@chromium.org assertInstanceof(e, RangeError); 98c3669763e2617aefdac84a072327b201b3dff129jkummerow@chromium.org assertTrue(e.message.indexOf("Maximum call stack size exceeded") >= 0); 99c3669763e2617aefdac84a072327b201b3dff129jkummerow@chromium.org} 100c3669763e2617aefdac84a072327b201b3dff129jkummerow@chromium.org 101c3669763e2617aefdac84a072327b201b3dff129jkummerow@chromium.org 102bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.orgfunction testLiteralAndCatch(size) { 103bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org var big_enough = false; 104bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org try { 105bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org testLiteral(size, false); 106bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org } catch (e) { 107c3669763e2617aefdac84a072327b201b3dff129jkummerow@chromium.org checkExpectedException(e); 108bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org big_enough = true; 109bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org } 110bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org try { 111bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org testLiteral(size, true); 112bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org } catch (e) { 113c3669763e2617aefdac84a072327b201b3dff129jkummerow@chromium.org checkExpectedException(e); 114bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org big_enough = true; 115bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org } 116bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org return big_enough; 117bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org} 118bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 119bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org// Catch stack overflows. 120bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 121bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.orgtestLiteralAndCatch(1000) || 122bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.orgtestLiteralAndCatch(20000) || 123bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.orgtestLiteralAndCatch(200000); 124