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 // Tests that function does not have prototype. 29 function testPrototype(f) { 30 assertFalse('prototype' in f); 31 assertEquals(undefined, f.prototype); 32 f.prototype = 42; 33 assertEquals(42, f.prototype); 34 assertTrue('prototype' in f); 35 } 36 37 // Tests that construction from function throws. 38 function testConstruction(name) { 39 assertThrows("new " + name + "()"); 40 eval(name + ".prototype = 42;"); 41 assertThrows("new " + name + "()"); 42 } 43 44 testPrototype(eval); 45 testPrototype(Array.prototype.push); 46 testPrototype(Function.prototype.call); 47 testPrototype(String.fromCharCode); 48 var date = new Date(); 49 testPrototype(date.toString); 50 51 testConstruction("parseInt"); 52 testConstruction("Function.prototype.apply"); 53 var regexp = /abc/g; 54 testConstruction("regexp.test"); 55
