1a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Copyright 2008 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 28a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockfunction countArguments() { 29a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block var count = 0; 30a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block for (var prop in arguments) 31a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block count++; 32a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return count; 33a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 34a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 35a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockfunction setArgumentCount() { 36a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block arguments[10] = 5; 37a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block arguments.x = 4; 38a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block var count = 0; 39a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block for (var prop in arguments) 40a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block count++; 41a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return count; 42a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 43a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 44a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(0, countArguments()); 45a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(1, countArguments(1)); 46a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(2, countArguments(1, 2)); 47a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(5, countArguments(1, 2, 3, 4, 5)); 48a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 49a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(2, setArgumentCount()); 50a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(3, setArgumentCount(1)); 51a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(4, setArgumentCount(1, 2)); 52a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(7, setArgumentCount(1, 2, 3, 4, 5)); 53