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: --allow-natives-syntax 29 30function ArrayLength(a) { return a.length; } 31 32function Test(a0, a2, a5) { 33 assertEquals(0, ArrayLength(a0)); 34 assertEquals(2, ArrayLength(a2)); 35 assertEquals(5, ArrayLength(a5)); 36} 37 38var a0 = []; 39var a2 = [1,2]; 40var a5 = [1,2,3,4,5]; 41for (var i = 0; i < 5; i++) Test(a0, a2, a5); 42%OptimizeFunctionOnNextCall(ArrayLength); 43%OptimizeFunctionOnNextCall(Test); 44Test(a0, a2, a5); 45assertEquals("undefined", typeof(ArrayLength(0))); 46for (var i = 0; i < 5; i++) Test(a0, a2, a5); 47%OptimizeFunctionOnNextCall(Test); 48Test(a0, a2, a5); 49assertEquals(4, ArrayLength("hest")); 50