1// Copyright 2013 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: --allow-natives-syntax 29 30function f1(a, i) { 31 return a[i] 32} 33 34var a1 = [,,,,,,,,,,,,,,,,,,0.5]; 35assertEquals(undefined, f1(a1, 1)); 36assertEquals(undefined, f1(a1, 1)); 37%OptimizeFunctionOnNextCall(f1); 38assertEquals(undefined, f1(a1, 1)); 39assertEquals(undefined, f1(a1, 1)); 40 41function f2(a, i) { 42 return a[i] + 0.5; 43} 44var a2_b = [0.0,,]; 45assertEquals(0.5, f2(a2_b, 0)); 46assertEquals(0.5, f2(a2_b, 0)); 47%OptimizeFunctionOnNextCall(f2); 48assertEquals(0.5, f2(a2_b, 0)); 49assertEquals(NaN, f2(a2_b, 1)); 50a2_b.__proto__ = [1.5,1.5,1.5]; 51assertEquals(2, f2(a2_b, 1)); 52assertEquals(0.5, f2(a2_b, 0)); 53