1 # Copyright 2011 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 # Templatated tests with duplicate parameter names. 29 30 # ---------------------------------------------------------------------- 31 # Constants and utility functions 32 33 # A template that performs the same strict-mode test in different 34 # scopes (global scope, function scope, and nested function scope), 35 # and in non-strict mode too. 36 def DuplicateParameterTest(name, source): 37 expectation = "strict_param_dupe" 38 non_selfstrict = {"selfstrict":"", "id":"selfnormal"} 39 40 Template(name, '"use strict";\n' + source)(non_selfstrict, expectation) 41 Template(name + '-infunc', 42 'function foo() {\n "use strict";\n' + source +'\n}\n')( 43 non_selfstrict, expectation) 44 Template(name + '-infunc2', 45 'function foo() {\n "use strict";\n function bar() {\n' + 46 source +'\n }\n}\n')(non_selfstrict, expectation) 47 48 selfstrict = {"selfstrict": "\"use strict\";", "id": "selfstrict"} 49 nestedstrict = {"selfstrict": "function bar(){\"use strict\";}", 50 "id": "nestedstrict"} 51 selfstrictnestedclean = {"selfstrict": """ 52 "use strict"; 53 function bar(){} 54 """, "id": "selfstrictnestedclean"} 55 selftest = Template(name + '-$id', source) 56 selftest(selfstrict, expectation) 57 selftest(selfstrictnestedclean, expectation) 58 selftest(nestedstrict, None) 59 selftest(non_selfstrict, None) 60 61 62 # ---------------------------------------------------------------------- 63 # Test templates 64 65 DuplicateParameterTest("dups", """ 66 function foo(a, a) { $selfstrict } 67 """); 68 69 DuplicateParameterTest("dups-apart", """ 70 function foo(a, b, c, d, e, f, g, h, i, j, k, l, m, n, a) { $selfstrict } 71 """); 72 73 DuplicateParameterTest("dups-escaped", """ 74 function foo(\u0061, b, c, d, e, f, g, h, i, j, k, l, m, n, a) { $selfstrict } 75 """); 76 77 DuplicateParameterTest("triples", """ 78 function foo(a, b, c, d, e, f, g, h, a, i, j, k, l, m, n, a) { $selfstrict } 79 """); 80 81 DuplicateParameterTest("escapes", """ 82 function foo(a, \u0061) { $selfstrict } 83 """); 84 85 DuplicateParameterTest("long-names", """ 86 function foo(arglebargleglopglyfarglebargleglopglyfarglebargleglopglyfa, 87 arglebargleglopglyfarglebargleglopglyfarglebargleglopglyfa) { 88 $selfstrict 89 } 90 """); 91
