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1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
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2 /* This Source Code Form is subject to the terms of the Mozilla Public |
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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5 |
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6 //----------------------------------------------------------------------------- |
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7 var UBound = 0; |
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8 var BUGNUMBER = 188206; |
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9 var summary = 'Invalid use of regexp quantifiers should generate SyntaxErrors'; |
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10 var CHECK_PASSED = 'Should not generate an error'; |
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11 var CHECK_FAILED = 'Generated an error!'; |
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12 var status = ''; |
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13 var statusitems = []; |
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14 var actual = ''; |
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15 var actualvalues = []; |
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16 var expect= ''; |
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17 var expectedvalues = []; |
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18 |
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19 |
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20 /* |
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21 * Misusing the {DecmalDigits} quantifier - according to ECMA, |
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22 * but not according to Perl. |
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23 * |
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24 * ECMA-262 Edition 3 prohibits the use of unescaped braces in |
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25 * regexp patterns, unless they form part of a quantifier. |
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26 * |
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27 * Hovever, Perl does not prohibit this. If not used as part |
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28 * of a quantifer, Perl treats braces literally. |
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29 * |
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30 * We decided to follow Perl on this for backward compatibility. |
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31 * See http://bugzilla.mozilla.org/show_bug.cgi?id=190685. |
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32 * |
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33 * Therefore NONE of the following ECMA violations should generate |
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34 * a SyntaxError. Note we use checkThis() instead of testThis(). |
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35 */ |
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36 status = inSection(13); |
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37 checkThis(' /a*{/ '); |
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38 |
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39 status = inSection(14); |
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40 checkThis(' /a{}/ '); |
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41 |
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42 status = inSection(15); |
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43 checkThis(' /{a/ '); |
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44 |
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45 status = inSection(16); |
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46 checkThis(' /}a/ '); |
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47 |
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48 status = inSection(17); |
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49 checkThis(' /x{abc}/ '); |
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50 |
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51 status = inSection(18); |
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52 checkThis(' /{{0}/ '); |
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53 |
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54 status = inSection(19); |
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55 checkThis(' /{{1}/ '); |
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56 |
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57 status = inSection(20); |
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58 checkThis(' /x{{0}/ '); |
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59 |
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60 status = inSection(21); |
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61 checkThis(' /x{{1}/ '); |
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62 |
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63 status = inSection(22); |
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64 checkThis(' /x{{0}}/ '); |
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65 |
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66 status = inSection(23); |
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67 checkThis(' /x{{1}}/ '); |
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68 |
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69 status = inSection(24); |
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70 checkThis(' /x{{0}}/ '); |
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71 |
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72 status = inSection(25); |
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73 checkThis(' /x{{1}}/ '); |
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74 |
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75 status = inSection(26); |
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76 checkThis(' /x{{0}}/ '); |
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77 |
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78 status = inSection(27); |
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79 checkThis(' /x{{1}}/ '); |
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80 |
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81 |
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82 //----------------------------------------------------------------------------- |
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83 test(); |
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84 //----------------------------------------------------------------------------- |
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85 |
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86 |
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87 |
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88 /* |
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89 * Allowed syntax shouldn't generate any errors |
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90 */ |
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91 function checkThis(sAllowedSyntax) |
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92 { |
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93 expect = CHECK_PASSED; |
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94 actual = CHECK_PASSED; |
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95 |
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96 try |
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97 { |
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98 eval(sAllowedSyntax); |
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99 } |
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100 catch(e) |
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101 { |
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102 actual = CHECK_FAILED; |
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103 } |
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104 |
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105 statusitems[UBound] = status; |
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106 expectedvalues[UBound] = expect; |
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107 actualvalues[UBound] = actual; |
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108 UBound++; |
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109 } |
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110 |
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111 |
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112 function test() |
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113 { |
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114 enterFunc('test'); |
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115 printBugNumber(BUGNUMBER); |
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116 printStatus(summary); |
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117 |
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118 for (var i=0; i<UBound; i++) |
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119 { |
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120 reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]); |
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121 } |
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122 |
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123 exitFunc ('test'); |
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124 } |