11e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// Copyright 2011 the V8 project authors. All rights reserved. 21e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// Redistribution and use in source and binary forms, with or without 31e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// modification, are permitted provided that the following conditions are 41e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// met: 51e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// 61e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// * Redistributions of source code must retain the above copyright 71e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// notice, this list of conditions and the following disclaimer. 81e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// * Redistributions in binary form must reproduce the above 91e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// copyright notice, this list of conditions and the following 101e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// disclaimer in the documentation and/or other materials provided 111e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// with the distribution. 121e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// * Neither the name of Google Inc. nor the names of its 131e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// contributors may be used to endorse or promote products derived 141e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// from this software without specific prior written permission. 151e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// 161e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 171e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 181e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 191e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 201e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 211e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 221e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 231e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 241e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 251e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 261e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 271e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block 28589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben Murdoch// Test that the caller and arguments objects are not available on native 29589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben Murdoch// functions. 303fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 31589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben Murdochfunction testfn(f) { return [1].map(f)[0]; } 32589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben Murdochfunction foo() { return [].map.caller; } 33589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben MurdochassertEquals(null, testfn(foo)); 343fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 35589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben Murdoch// Try to delete the caller property (to make sure that we can't get to the 36589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben Murdoch// caller accessor on the prototype. 37589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben Murdochdelete Array.prototype.map.caller; 38589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben MurdochassertEquals(null, testfn(foo)); 391e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block 40589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben Murdoch// Redo tests with arguments object. 41589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben Murdochfunction testarguments(f) { return [1].map(f)[0]; } 42589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben Murdochfunction bar() { return [].map.arguments; } 43589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben MurdochassertEquals(null, testfn(bar)); 44e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch 45589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben Murdoch// Try to delete the arguments property (to make sure that we can't get to the 46589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben Murdoch// caller accessor on the prototype. 47589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben Murdochdelete Array.prototype.map.arguments; 48589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben MurdochassertEquals(null, testarguments(bar)); 49