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. 36def 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 65DuplicateParameterTest("dups", """ 66 function foo(a, a) { $selfstrict } 67"""); 68 69DuplicateParameterTest("dups-apart", """ 70 function foo(a, b, c, d, e, f, g, h, i, j, k, l, m, n, a) { $selfstrict } 71"""); 72 73DuplicateParameterTest("dups-escaped", """ 74 function foo(\u0061, b, c, d, e, f, g, h, i, j, k, l, m, n, a) { $selfstrict } 75"""); 76 77DuplicateParameterTest("triples", """ 78 function foo(a, b, c, d, e, f, g, h, a, i, j, k, l, m, n, a) { $selfstrict } 79"""); 80 81DuplicateParameterTest("escapes", """ 82 function foo(a, \u0061) { $selfstrict } 83"""); 84 85DuplicateParameterTest("long-names", """ 86 function foo(arglebargleglopglyfarglebargleglopglyfarglebargleglopglyfa, 87 arglebargleglopglyfarglebargleglopglyfarglebargleglopglyfa) { 88 $selfstrict 89 } 90"""); 91