1 | # $Id: ifcond 2022 2008-11-02 02:15:00Z bird $ -*-perl-*-
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2 | ## @file
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3 | # if conditionals.
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4 | #
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5 |
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6 | #
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7 | # Copyright (c) 2008 knut st. osmundsen <[email protected]>
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8 | #
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9 | # This file is part of kBuild.
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10 | #
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11 | # kBuild is free software; you can redistribute it and/or modify
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12 | # it under the terms of the GNU General Public License as published by
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13 | # the Free Software Foundation; either version 3 of the License, or
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14 | # (at your option) any later version.
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15 | #
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16 | # kBuild is distributed in the hope that it will be useful,
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17 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 | # GNU General Public License for more details.
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20 | #
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21 | # You should have received a copy of the GNU General Public License
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22 | # along with kBuild. If not, see <http://www.gnu.org/licenses/>
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23 | #
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24 | #
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25 |
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26 | $description = "Tests the if conditionals";
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27 |
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28 | $details = "...";
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29 |
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30 | if ($is_kmk) {
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31 |
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32 | # TEST #0 - check that the feature is present.
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33 | # --------------------------------------------
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34 | run_make_test('
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35 | ifneq ($(if-expr 1+1,1,0),1)
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36 | $(error sub-test 0 failed)
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37 | endif
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38 | .PHONY: all
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39 | all: ; @:
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40 | ',
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41 | '',
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42 | '');
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43 |
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44 | # TEST #1 - A more comprehensive, yet a bit large, test.
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45 | # ------------------------------------------------------
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46 | run_make_test('
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47 |
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48 | #
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49 | # Note! The testcase are ordered by ascending operator precedence
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50 | # with the exception of equal and not-equal because these
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51 | # are kind of useful for performing tests on non-logical ops.
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52 | #
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53 |
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54 | .PHONY: all
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55 | all: ; @:
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56 |
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57 | #
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58 | # Parenthesis
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59 | #
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60 | $(info unary operators: ( and ))
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61 | if (1)
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62 | else
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63 | $(error )
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64 | endif
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65 |
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66 | if ((((1))))
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67 | else
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68 | $(error )
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69 | endif
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70 |
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71 |
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72 | #
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73 | # Equal and Not Equal w/ some fundamental bits thrown in.
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74 | #
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75 | $(info binary operators: == and !=)
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76 |
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77 | if 1 == 1
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78 | else
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79 | $(error )
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80 | endif
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81 |
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82 | if 2 == 3
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83 | $(error )
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84 | else
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85 | endif
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86 |
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87 | if 2 != 3
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88 | else
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89 | $(error )
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90 | endif
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91 |
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92 | if a != b
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93 | else
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94 | $(error )
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95 | endif
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96 |
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97 | if asdf == asdf
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98 | else
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99 | $(error )
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100 | endif
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101 |
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102 | if "asdf" == asdf
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103 | else
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104 | $(error )
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105 | endif
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106 |
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107 | if \'asdf\' == asdf
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108 | else
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109 | $(error )
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110 | endif
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111 |
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112 | if \'asdf\' == "asdf"
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113 | else
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114 | $(error )
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115 | endif
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116 |
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117 | if \'asdf\' == \'asdf\'
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118 | else
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119 | $(error )
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120 | endif
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121 |
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122 | if "asdf" == "asdf"
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123 | else
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124 | $(error )
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125 | endif
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126 |
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127 | if 0x1 == 1
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128 | else
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129 | $(error )
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130 | endif
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131 |
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132 | if 0xfff == 4095
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133 | else
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134 | $(error )
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135 | endif
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136 |
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137 | if 0xfff == 4095
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138 | else
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139 | $(error )
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140 | endif
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141 |
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142 | if 0d10 == 10
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143 | else
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144 | $(error )
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145 | endif
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146 |
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147 | if 0d10 == 10
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148 | else
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149 | $(error )
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150 | endif
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151 |
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152 | if 0xa == 012
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153 | else
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154 | $(error )
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155 | endif
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156 |
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157 | if 0b1110 == 016
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158 | else
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159 | $(error )
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160 | endif
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161 |
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162 |
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163 | #
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164 | # Logical OR
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165 | #
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166 | $(info binary operator: ||)
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167 | if 1
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168 | else
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169 | $(error busted)
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170 | endif
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171 |
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172 | if 1 || 1
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173 | else
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174 | $(error )
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175 | endif
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176 |
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177 | if 0 || 0
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178 | $(error )
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179 | else
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180 | endif
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181 |
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182 | if 1 || 0
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183 | else
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184 | $(error )
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185 | endif
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186 |
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187 | if 0 || 1
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188 | else
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189 | $(error )
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190 | endif
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191 |
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192 | if 0 || 0 || 0 || 0 || 0 || 0 || 0
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193 | $(error )
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194 | else
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195 | endif
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196 |
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197 | if 0 || 0 || 0 || 1 || 0 || 0 || 0
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198 | else
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199 | $(error )
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200 | endif
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201 |
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202 | if "asdf" || 0
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203 | else
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204 | $(error )
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205 | endif
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206 |
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207 | if 0 || "asdf"
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208 | else
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209 | $(error )
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210 | endif
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211 |
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212 | if \'asdf\' || 0
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213 | else
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214 | $(error )
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215 | endif
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216 |
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217 | if "" || 0
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218 | $(error )
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219 | endif
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220 | if "" || 1
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221 | else
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222 | $(error )
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223 | endif
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224 | if \'\' || 0
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225 | $(error )
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226 | endif
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227 | if \'\' || 1
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228 | else
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229 | $(error )
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230 | endif
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231 |
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232 | if "" || \'\'
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233 | $(error )
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234 | endif
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235 | if "1" || \'\'
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236 | else
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237 | $(error )
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238 | endif
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239 | if "1" || \'1\'
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240 | else
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241 | $(error )
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242 | endif
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243 | if "" || \'1\'
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244 | else
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245 | $(error )
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246 | endif
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247 |
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248 |
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249 | #
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250 | # Logical AND
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251 | #
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252 | $(info binary operator: &&)
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253 | if 1 && 1
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254 | else
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255 | $(error )
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256 | endif
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257 | if 1 && 0
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258 | $(error )
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259 | endif
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260 | if 1234 && 0
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261 | $(error )
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262 | endif
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263 | if 123434 && 0 && 123435 && 1
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264 | $(error )
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265 | endif
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266 |
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267 | if "" && 1
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268 | $(error )
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269 | endif
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270 | if ("asdf" && 1) != 1
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271 | $(error )
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272 | endif
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273 | if "1" && \'asdf\'
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274 | else
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275 | $(error )
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276 | endif
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277 | if "1" && \'asdf\' && 0
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278 | $(error )
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279 | endif
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280 |
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281 | if 0 || 1 && 0
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282 | $(error )
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283 | endif
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284 |
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285 |
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286 | #
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287 | # Bitwise OR
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288 | #
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289 | $(info binary operator: |)
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290 | if 1 | 0
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291 | else
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292 | $(error )
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293 | endif
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294 | if 1 | 1
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295 | else
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296 | $(error )
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297 | endif
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298 | if 11234 | 343423
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299 | else
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300 | $(error )
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301 | endif
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302 | if (1|2)!=3
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303 | $(error )
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304 | endif
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305 | if 1|2 != 3
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306 | else
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307 | $(error )
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308 | endif
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309 | if (1|2|4|8)!=0xf
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310 | $(error )
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311 | endif
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312 |
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313 |
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314 | #
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315 | # Bitwise XOR
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316 | #
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317 | $(info binary operator: ^)
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318 | if 1 ^ 1
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319 | $(error )
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320 | endif
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321 |
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322 | if (2 ^ 1) != 3
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323 | $(error )
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324 | endif
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325 |
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326 | if 7 != (2 ^ 1 ^ 4)
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327 | $(error )
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328 | endif
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329 |
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330 | if (2 ^ 1 | 2) != 3
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331 | $(error )
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332 | endif
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333 |
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334 |
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335 | #
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336 | # Bitwise AND
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337 | #
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338 | $(info binary operator: &)
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339 | if (4097 & 1) != 1
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340 | $(error )
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341 | endif
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342 | if (0xfff & 0x0f0) != 0xf0
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343 | $(error )
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344 | endif
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345 | if (0x1e3 & 0x100 | 3) != 0x103
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346 | $(error )
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347 | endif
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348 |
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349 |
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350 | #
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351 | # Greater than
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352 | #
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353 | $(info binary operator: >)
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354 | if 1 > 0
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355 | else
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356 | $(error )
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357 | endif
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358 |
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359 | if 1024 > 1023
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360 | else
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361 | $(error )
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362 | endif
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363 |
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364 | if 999 > 1023
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365 | $(error )
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366 | endif
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367 |
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368 | if (5 > 4 | 2) != 3
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369 | $(error )
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370 | endif
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371 |
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372 | if (1 & 8 > 4) != 1
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373 | $(error )
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374 | endif
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375 |
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376 | if (8 > 4 ^ 16) != 17
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377 | $(error )
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378 | endif
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379 |
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380 | if "b" > \'a\'
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381 | else
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382 | $(error )
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383 | endif
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384 | if "abcdef" > \'ffdas\'
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385 | $(error )
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386 | endif
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387 | if abcdef > ffdas
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388 | $(error )
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389 | endif
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390 |
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391 |
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392 | #
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393 | # Greater or equal than
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394 | #
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395 | $(info binary operator: >=)
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396 | if 20 > 0
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397 | else
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398 | $(error )
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399 | endif
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400 |
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401 | if 20 >= 20
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402 | else
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403 | $(error )
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404 | endif
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405 |
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406 | if 19 >= 20
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407 | $(error )
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408 | endif
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409 |
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410 | if (1 & 8 >= 4) != 1
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411 | $(error )
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412 | endif
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413 |
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414 | if "x" >= \'x\'
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415 | else
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416 | $(error )
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417 | endif
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418 | if "abdc" >= \'abcd\'
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419 | else
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420 | $(error )
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421 | endif
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422 | if "ffdaaa" >= \'ffdasd\'
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423 | $(error )
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424 | endif
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425 | if asdf >= asdf
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426 | else
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427 | $(error )
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428 | endif
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429 |
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430 |
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431 | #
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432 | # Less than
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433 | #
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434 | if 1 < 1
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435 | $(error )
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436 | endif
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437 | if -123 < -134
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438 | $(error )
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439 | endif
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440 | if 123 <= 7777
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441 | else
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442 | $(error )
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443 | endif
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444 |
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445 | if "b" < \'a\'
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446 | $(error )
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447 | endif
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448 | if b < a
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449 | $(error )
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450 | endif
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451 | if \'foobar\' < \'a$\'
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452 | $(error )
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453 | endif
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454 | if hhhh < ggggg
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455 | $(error )
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456 | endif
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457 | if qwerty < qwerty0
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458 | else
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459 | $(error )
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460 | endif
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461 |
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462 |
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463 | #
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464 | # Less or equal than
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465 | #
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466 | $(info binary operator: >>)
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467 | if 1 <= 0
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468 | $(error )
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469 | endif
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470 | if 1 <= 1
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471 | else
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472 | $(error )
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473 | endif
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474 | if 123 <= 123 != 1
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475 | $(error )
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476 | endif
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477 | if 560 <= 456
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478 | $(error )
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479 | endif
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480 |
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481 | if "a" <= \'a\'
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482 | else
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483 | $(error )
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484 | endif
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485 | if "abcdef" <= \'abcdef\'
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486 | else
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487 | $(error )
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488 | endif
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489 | if q12345z6 <= q12345z
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490 | $(error )
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491 | endif
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492 | if QWERTY <= ABCDE
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493 | $(error )
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494 | endif
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495 |
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496 |
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497 | #
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498 | # Shift right
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499 | #
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500 | $(info binary operator: >>)
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501 | if 1 >> 0 != 1
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502 | $(error )
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503 | endif
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504 | if 1024 >> 2 != 256
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505 | $(error )
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506 | endif
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507 | if 102435 >> 4 > 1234 != 1
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508 | $(error )
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509 | endif
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510 |
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511 |
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512 | #
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513 | # Shift left
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514 | #
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515 | $(info binary operator: <<)
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516 | if 1 << 0 != 1
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517 | $(error )
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518 | endif
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519 | if 1 << 1 != 2
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520 | $(error )
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521 | endif
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522 | if 1 << 4 != 16
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523 | $(error )
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524 | endif
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525 | if 1 << 10 != 1024
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526 | $(error )
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527 | endif
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528 | if 34 << 10 != 0x8800
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529 | $(error )
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530 | endif
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531 | if 1099511627776 << 21 != 2305843009213693952
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532 | $(error )
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533 | endif
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534 | if 1 << 61 != 2305843009213693952
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535 | $(error )
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536 | endif
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537 |
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538 | if 2 << 60 > 123434323 != 1
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539 | $(error )
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540 | endif
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541 |
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542 |
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543 | #
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544 | # Subtraction
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545 | #
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546 | $(info binary operator: -)
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547 | if 1-1 != 0
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548 | $(error )
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549 | endif
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550 | if 1023-511 != 512
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551 | $(error )
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552 | endif
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553 | if 4 - 3 << 3 != 8
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554 | $(error )
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555 | endif
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556 |
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557 |
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558 | #
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559 | # Addition
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560 | #
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561 | $(info binary operator: +)
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562 | if 1+1 != 2
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563 | $(error )
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564 | endif
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565 | if 1234+1000 != 2234
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566 | $(error )
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567 | endif
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568 | if 2 + 2 << 4 != 64
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569 | $(error )
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570 | endif
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571 |
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572 |
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573 | #
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574 | # Modulus
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575 | #
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576 | $(info binary operator: %)
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577 | if 0%2 != 0
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578 | $(error )
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579 | endif
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580 | if 10%7 != 3
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581 | $(error )
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582 | endif
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583 | if 10 + 100%70 - 3 != 37
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584 | $(error )
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585 | endif
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586 |
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587 |
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588 | #
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589 | # Division
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590 | #
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591 | $(info binary operator: /)
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592 | if 0/1 != 0
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593 | $(error )
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594 | endif
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595 | if 1000/2 != 500
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596 | $(error )
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597 | endif
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598 | if 1000/2 + 4 != 504
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599 | $(error )
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600 | endif
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601 | if 5 + 1000/4 != 255
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602 | $(error )
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603 | endif
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604 |
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605 |
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606 | #
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607 | # Multiplication
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608 | #
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609 | $(info binary operator: *)
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610 | if 1*1 != 1
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611 | $(error )
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612 | endif
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613 | if 10*10 != 100
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614 | $(error )
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615 | endif
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616 | if 1024*64 != 65536
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617 | $(error )
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618 | endif
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619 | if 10*10 - 10 != 90
|
---|
620 | $(error )
|
---|
621 | endif
|
---|
622 | if 1000 - 10*10 != 900
|
---|
623 | $(error )
|
---|
624 | endif
|
---|
625 |
|
---|
626 |
|
---|
627 | #
|
---|
628 | # Logical NOT
|
---|
629 | #
|
---|
630 | $(info unary operator: !)
|
---|
631 | if !1
|
---|
632 | $(error )
|
---|
633 | endif
|
---|
634 |
|
---|
635 | if !42 == 0
|
---|
636 | else
|
---|
637 | $(error )
|
---|
638 | endif
|
---|
639 |
|
---|
640 | if !0 == 1
|
---|
641 | else
|
---|
642 | $(error )
|
---|
643 | endif
|
---|
644 |
|
---|
645 | if !!0 == 0
|
---|
646 | else
|
---|
647 | $(error )
|
---|
648 | endif
|
---|
649 |
|
---|
650 | if !0 * 123 != 123
|
---|
651 | $(error )
|
---|
652 | endif
|
---|
653 | if !!!0 * 512 != 512
|
---|
654 | $(error )
|
---|
655 | endif
|
---|
656 |
|
---|
657 |
|
---|
658 | #
|
---|
659 | # Bitwise NOT
|
---|
660 | #
|
---|
661 | $(info unary operator: ~)
|
---|
662 | if ~0xfff != 0xfffffffffffff000
|
---|
663 | $(error )
|
---|
664 | endif
|
---|
665 |
|
---|
666 |
|
---|
667 | #
|
---|
668 | # Pluss
|
---|
669 | #
|
---|
670 | $(info unary operator: +)
|
---|
671 | if +2 != 2
|
---|
672 | $(error )
|
---|
673 | endif
|
---|
674 | if 1++++++++++++2134 != 2135
|
---|
675 | $(error )
|
---|
676 | endif
|
---|
677 |
|
---|
678 |
|
---|
679 | #
|
---|
680 | # Minus (negation)
|
---|
681 | #
|
---|
682 | $(info unary operator: -)
|
---|
683 | if --2 != 2
|
---|
684 | $(error )
|
---|
685 | endif
|
---|
686 |
|
---|
687 | if 1 - -2 != 3
|
---|
688 | $(error )
|
---|
689 | endif
|
---|
690 |
|
---|
691 |
|
---|
692 | #
|
---|
693 | # target
|
---|
694 | #
|
---|
695 | trg_deps_only: foobar
|
---|
696 | trg_with_cmds: foobar
|
---|
697 | echo $@
|
---|
698 |
|
---|
699 | $(info unary operator: target) # This flushes stuff in read.c
|
---|
700 |
|
---|
701 | if target trg_with_cmds
|
---|
702 | else
|
---|
703 | $(error target trg_with_cmds)
|
---|
704 | endif
|
---|
705 | if target(trg_deps_only)
|
---|
706 | $(error target trg_deps_only)
|
---|
707 | endif
|
---|
708 | if target ( foobar )
|
---|
709 | $(error target foobar)
|
---|
710 | endif
|
---|
711 |
|
---|
712 |
|
---|
713 | #
|
---|
714 | # defined
|
---|
715 | #
|
---|
716 | $(info unary operator: defined)
|
---|
717 | var_defined := 1
|
---|
718 | var_not_defined :=
|
---|
719 |
|
---|
720 | if defined var_defined
|
---|
721 | else
|
---|
722 | $(error )
|
---|
723 | endif
|
---|
724 | if defined(var_defined)
|
---|
725 | else
|
---|
726 | $(error )
|
---|
727 | endif
|
---|
728 | if defined (var_defined)
|
---|
729 | else
|
---|
730 | $(error )
|
---|
731 | endif
|
---|
732 | if !defined(var_defined)
|
---|
733 | $(error )
|
---|
734 | endif
|
---|
735 | if defined (var_not_defined)
|
---|
736 | $(error )
|
---|
737 | endif
|
---|
738 |
|
---|
739 |
|
---|
740 | #
|
---|
741 | # bool
|
---|
742 | #
|
---|
743 | $(info unary operator: bool)
|
---|
744 | if bool("Asdf") != 1
|
---|
745 | $(error )
|
---|
746 | endif
|
---|
747 | if bool("") != 0
|
---|
748 | $(error )
|
---|
749 | endif
|
---|
750 |
|
---|
751 |
|
---|
752 | #
|
---|
753 | # bool
|
---|
754 | #
|
---|
755 | $(info unary operator: num)
|
---|
756 | if num("1234") != 1235 - 1
|
---|
757 | $(error )
|
---|
758 | endif
|
---|
759 | if num(\'1234\') != 1233 + 1
|
---|
760 | $(error )
|
---|
761 | endif
|
---|
762 |
|
---|
763 |
|
---|
764 | #
|
---|
765 | # str
|
---|
766 | #
|
---|
767 | $(info unary operator: str)
|
---|
768 | if str(a < b) != 1
|
---|
769 | $(error )
|
---|
770 | endif
|
---|
771 | if str(a < b) != \'1\'
|
---|
772 | $(error )
|
---|
773 | endif
|
---|
774 | if str( 1 ) != "1"
|
---|
775 | $(error )
|
---|
776 | endif
|
---|
777 | if str( 1 ) != "1"
|
---|
778 | $(error )
|
---|
779 | endif
|
---|
780 | if str( num(0x1000) ) != "4096"
|
---|
781 | $(error )
|
---|
782 | endif
|
---|
783 | if str(0x1000) != 0x1000
|
---|
784 | $(error )
|
---|
785 | endif
|
---|
786 |
|
---|
787 |
|
---|
788 |
|
---|
789 | #
|
---|
790 | # Quick check of $(if-expr ) and $(expr ).
|
---|
791 | #
|
---|
792 | $(info $$(if-expr ,,))
|
---|
793 | ifeq ($(if-expr 0 || 2,42,500),42)
|
---|
794 | else
|
---|
795 | $(error )
|
---|
796 | endif
|
---|
797 | ifeq ($(if-expr 5+3 == 231,42,500),42)
|
---|
798 | $(error )
|
---|
799 | endif
|
---|
800 |
|
---|
801 | $(info $$(expr ))
|
---|
802 | ifeq ($(expr 5+3),8)
|
---|
803 | else
|
---|
804 | $(error expr:$(expr 5+3) expected 8)
|
---|
805 | endif
|
---|
806 | ifeq ($(expr 25*25),625)
|
---|
807 | else
|
---|
808 | $(error expr:$(expr 25*25) expected 625)
|
---|
809 | endif
|
---|
810 | ifeq ($(expr 100/3),3)
|
---|
811 | $(error )
|
---|
812 | endif
|
---|
813 | ',
|
---|
814 | '',
|
---|
815 | 'unary operators: ( and )
|
---|
816 | binary operators: == and !=
|
---|
817 | binary operator: ||
|
---|
818 | binary operator: &&
|
---|
819 | binary operator: |
|
---|
820 | binary operator: ^
|
---|
821 | binary operator: &
|
---|
822 | binary operator: >
|
---|
823 | binary operator: >=
|
---|
824 | binary operator: >>
|
---|
825 | binary operator: >>
|
---|
826 | binary operator: <<
|
---|
827 | binary operator: -
|
---|
828 | binary operator: +
|
---|
829 | binary operator: %
|
---|
830 | binary operator: /
|
---|
831 | binary operator: *
|
---|
832 | unary operator: !
|
---|
833 | unary operator: ~
|
---|
834 | unary operator: +
|
---|
835 | unary operator: -
|
---|
836 | unary operator: target
|
---|
837 | unary operator: defined
|
---|
838 | unary operator: bool
|
---|
839 | unary operator: num
|
---|
840 | unary operator: str
|
---|
841 | $(if-expr ,,)
|
---|
842 | $(expr )
|
---|
843 | ');
|
---|
844 |
|
---|
845 | }
|
---|
846 |
|
---|
847 |
|
---|
848 | # TEST #2 - A bug.
|
---|
849 | # ------------------------------------------------------
|
---|
850 | run_make_test('
|
---|
851 | .PHONY: all
|
---|
852 | all: ; @:
|
---|
853 |
|
---|
854 | #
|
---|
855 | # Assert sanity first on simple strings.
|
---|
856 | #
|
---|
857 | if abcd != "abcd"
|
---|
858 | $(error )
|
---|
859 | endif
|
---|
860 |
|
---|
861 | if \'abcd\' != abcd
|
---|
862 | $(error )
|
---|
863 | endif
|
---|
864 |
|
---|
865 | if abcd != abcd
|
---|
866 | $(error )
|
---|
867 | endif
|
---|
868 |
|
---|
869 |
|
---|
870 | #
|
---|
871 | # String by reference, start with a few simple cases.
|
---|
872 | #
|
---|
873 | STR1 = abcd
|
---|
874 |
|
---|
875 | if "$(STR1)" != "abcd"
|
---|
876 | $(error )
|
---|
877 | endif
|
---|
878 |
|
---|
879 | if \'$(STR1)\' == "abcd" # not expanded.
|
---|
880 | $(error )
|
---|
881 | endif
|
---|
882 |
|
---|
883 | if \'$(STR1)\' != \'$(STR1)\'
|
---|
884 | $(error )
|
---|
885 | endif
|
---|
886 |
|
---|
887 | if "$(STR1)" != "$(STR1)"
|
---|
888 | $(error )
|
---|
889 | endif
|
---|
890 |
|
---|
891 | #
|
---|
892 | # Now for the kmk 0.1.4 bug...
|
---|
893 | #
|
---|
894 | if $(STR1) != "$(STR1)"
|
---|
895 | $(error )
|
---|
896 | endif
|
---|
897 |
|
---|
898 | if "$(STR1)" != $(STR1)
|
---|
899 | $(error )
|
---|
900 | endif
|
---|
901 |
|
---|
902 | if $(STR1) != $(STR1)
|
---|
903 | $(error )
|
---|
904 | endif
|
---|
905 |
|
---|
906 | #
|
---|
907 | # And some extra for good measure.
|
---|
908 | #
|
---|
909 | STR2 = STR
|
---|
910 | NUM1 = 1
|
---|
911 |
|
---|
912 | if $($(STR2)$(NUM1)) != "abcd"
|
---|
913 | $(error )
|
---|
914 | endif
|
---|
915 |
|
---|
916 | if "abcd" != $($(STR2)$(NUM1))
|
---|
917 | $(error )
|
---|
918 | endif
|
---|
919 |
|
---|
920 | if "abcd" != $(${STR2}$(NUM1))
|
---|
921 | $(error )
|
---|
922 | endif
|
---|
923 |
|
---|
924 | if "abcd" != ${$(STR2)$(NUM1)}
|
---|
925 | $(error )
|
---|
926 | endif
|
---|
927 |
|
---|
928 | if "abcd" != ${${STR2}${NUM1}}
|
---|
929 | $(error )
|
---|
930 | endif
|
---|
931 |
|
---|
932 | if ${${STR2}${NUM1}} != \'abcd\'
|
---|
933 | $(error )
|
---|
934 | endif
|
---|
935 |
|
---|
936 | if "${${STR2}${NUM1}}" != \'abcd\'
|
---|
937 | $(error )
|
---|
938 | endif
|
---|
939 |
|
---|
940 |
|
---|
941 | ',
|
---|
942 | '',
|
---|
943 | '');
|
---|
944 |
|
---|
945 |
|
---|
946 |
|
---|
947 | # Indicate that we're done.
|
---|
948 | 1;
|
---|
949 |
|
---|
950 |
|
---|