1 | #
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2 | # Test the length oeprator, which dash supports. Dash doesn't support most
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3 | # other ops.
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4 |
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5 | #### String length
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6 | v=foo
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7 | echo ${#v}
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8 | ## stdout: 3
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9 |
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10 | #### Unicode string length (UTF-8)
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11 | v=$'_\u03bc_'
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12 | echo ${#v}
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13 | ## stdout: 3
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14 | ## N-I dash stdout: 9
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15 | ## N-I mksh stdout: 4
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16 |
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17 | #### Unicode string length (spec/testdata/utf8-chars.txt)
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18 | v=$(cat $REPO_ROOT/spec/testdata/utf8-chars.txt)
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19 | echo ${#v}
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20 | ## stdout: 7
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21 | ## N-I dash stdout: 13
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22 | ## N-I mksh stdout: 13
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23 |
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24 | #### String length with incomplete utf-8
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25 | for num_bytes in 0 1 2 3 4 5 6 7 8 9 10 11 12 13; do
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26 | s=$(head -c $num_bytes $REPO_ROOT/spec/testdata/utf8-chars.txt)
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27 | echo ${#s}
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28 | done 2> $TMP/err.txt
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29 |
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30 | grep 'warning:' $TMP/err.txt
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31 | true # exit 0
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32 |
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33 | ## STDOUT:
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34 | 0
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35 | 1
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36 | 2
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37 | -1
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38 | 3
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39 | 4
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40 | -1
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41 | -1
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42 | 5
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43 | 6
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44 | -1
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45 | -1
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46 | -1
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47 | 7
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48 | [ stdin ]:3: warning: UTF-8 decode: Truncated bytes at offset 2 in string of 3 bytes
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49 | [ stdin ]:3: warning: UTF-8 decode: Truncated bytes at offset 5 in string of 6 bytes
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50 | [ stdin ]:3: warning: UTF-8 decode: Truncated bytes at offset 5 in string of 7 bytes
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51 | [ stdin ]:3: warning: UTF-8 decode: Truncated bytes at offset 9 in string of 10 bytes
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52 | [ stdin ]:3: warning: UTF-8 decode: Truncated bytes at offset 9 in string of 11 bytes
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53 | [ stdin ]:3: warning: UTF-8 decode: Truncated bytes at offset 9 in string of 12 bytes
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54 | ## END
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55 | # zsh behavior actually matches bash!
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56 | ## BUG bash/zsh stderr-json: ""
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57 | ## BUG bash/zsh STDOUT:
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58 | 0
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59 | 1
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60 | 2
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61 | 3
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62 | 3
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63 | 4
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64 | 5
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65 | 6
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66 | 5
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67 | 6
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68 | 7
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69 | 8
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70 | 9
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71 | 7
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72 | ## END
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73 | ## BUG dash/mksh stderr-json: ""
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74 | ## N-I dash/mksh STDOUT:
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75 | 0
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76 | 1
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77 | 2
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78 | 3
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79 | 4
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80 | 5
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81 | 6
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82 | 7
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83 | 8
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84 | 9
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85 | 10
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86 | 11
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87 | 12
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88 | 13
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89 | ## END
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90 |
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91 | #### String length with invalid utf-8 continuation bytes
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92 | for num_bytes in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14; do
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93 | s=$(head -c $num_bytes $REPO_ROOT/spec/testdata/utf8-chars.txt)$(echo -e "\xFF")
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94 | echo ${#s}
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95 | done 2> $TMP/err.txt
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96 |
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97 | grep 'warning:' $TMP/err.txt
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98 | true
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99 |
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100 | ## STDOUT:
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101 | -1
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102 | -1
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103 | -1
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104 | -1
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105 | -1
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106 | -1
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107 | -1
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108 | -1
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109 | -1
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110 | -1
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111 | -1
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112 | -1
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113 | -1
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114 | -1
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115 | -1
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116 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 0 in string of 1 bytes
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117 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 1 in string of 2 bytes
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118 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 2 in string of 3 bytes
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119 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 2 in string of 4 bytes
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120 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 4 in string of 5 bytes
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121 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 5 in string of 6 bytes
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122 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 5 in string of 7 bytes
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123 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 5 in string of 8 bytes
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124 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 8 in string of 9 bytes
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125 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 9 in string of 10 bytes
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126 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 9 in string of 11 bytes
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127 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 9 in string of 12 bytes
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128 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 9 in string of 13 bytes
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129 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 13 in string of 14 bytes
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130 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 13 in string of 14 bytes
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131 | ## END
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132 | ## BUG bash/zsh stderr-json: ""
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133 | ## BUG bash/zsh STDOUT:
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134 | 1
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135 | 2
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136 | 3
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137 | 4
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138 | 4
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139 | 5
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140 | 6
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141 | 7
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142 | 6
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143 | 7
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144 | 8
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145 | 9
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146 | 10
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147 | 8
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148 | 8
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149 | ## N-I dash stderr-json: ""
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150 | ## N-I dash STDOUT:
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151 | 7
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152 | 8
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153 | 9
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154 | 10
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155 | 11
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156 | 12
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157 | 13
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158 | 14
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159 | 15
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160 | 16
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161 | 17
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162 | 18
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163 | 19
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164 | 20
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165 | 20
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166 | ## END
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167 | ## N-I mksh stderr-json: ""
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168 | ## N-I mksh STDOUT:
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169 | 1
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170 | 2
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171 | 3
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172 | 4
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173 | 5
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174 | 6
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175 | 7
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176 | 8
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177 | 9
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178 | 10
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179 | 11
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180 | 12
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181 | 13
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182 | 14
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183 | 14
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184 | ## END
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185 |
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186 | #### Length of undefined variable
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187 | echo ${#undef}
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188 | ## stdout: 0
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189 |
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190 | #### Length of undefined variable with nounset
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191 | set -o nounset
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192 | echo ${#undef}
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193 | ## status: 1
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194 | ## OK dash status: 2
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195 |
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196 | #### Length operator can't be followed by test operator
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197 | echo ${#x-default}
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198 |
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199 | x=''
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200 | echo ${#x-default}
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201 |
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202 | x='foo'
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203 | echo ${#x-default}
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204 |
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205 | ## status: 2
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206 | ## OK bash/mksh status: 1
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207 | ## stdout-json: ""
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208 | ## BUG zsh status: 0
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209 | ## BUG zsh STDOUT:
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210 | 7
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211 | 0
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212 | 3
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213 | ## END
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214 | ## BUG dash status: 0
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215 | ## BUG dash STDOUT:
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216 | 0
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217 | 0
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218 | 3
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219 | ## END
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