| 1 | ## compare_shells: dash bash mksh zsh
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| 2 |
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| 3 | # Test the length oeprator, which dash supports. Dash doesn't support most
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| 4 | # other ops.
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| 5 |
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| 6 | #### String length
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| 7 | v=foo
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| 8 | echo ${#v}
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| 9 | ## stdout: 3
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| 10 |
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| 11 | #### Unicode string length (UTF-8)
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| 12 | v=$'_\u03bc_'
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| 13 | echo ${#v}
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| 14 | ## stdout: 3
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| 15 | ## N-I dash stdout: 9
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| 16 | ## N-I mksh stdout: 4
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| 17 |
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| 18 | #### Unicode string length (spec/testdata/utf8-chars.txt)
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| 19 | v=$(cat $REPO_ROOT/spec/testdata/utf8-chars.txt)
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| 20 | echo ${#v}
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| 21 | ## stdout: 7
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| 22 | ## N-I dash stdout: 13
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| 23 | ## N-I mksh stdout: 13
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| 24 |
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| 25 | #### String length with incomplete utf-8
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| 26 | for num_bytes in 0 1 2 3 4 5 6 7 8 9 10 11 12 13; do
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| 27 | s=$(head -c $num_bytes $REPO_ROOT/spec/testdata/utf8-chars.txt)
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| 28 | echo ${#s}
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| 29 | done 2> $TMP/err.txt
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| 30 |
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| 31 | grep 'warning:' $TMP/err.txt
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| 32 | true # exit 0
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| 33 |
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| 34 | ## STDOUT:
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| 35 | 0
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| 36 | 1
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| 37 | 2
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| 38 | -1
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| 39 | 3
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| 40 | 4
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| 41 | -1
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| 42 | -1
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| 43 | 5
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| 44 | 6
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| 45 | -1
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| 46 | -1
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| 47 | -1
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| 48 | 7
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| 49 | [ stdin ]:3: warning: UTF-8 decode: Truncated bytes at offset 2 in string of 3 bytes
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| 50 | [ stdin ]:3: warning: UTF-8 decode: Truncated bytes at offset 5 in string of 6 bytes
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| 51 | [ stdin ]:3: warning: UTF-8 decode: Truncated bytes at offset 5 in string of 7 bytes
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| 52 | [ stdin ]:3: warning: UTF-8 decode: Truncated bytes at offset 9 in string of 10 bytes
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| 53 | [ stdin ]:3: warning: UTF-8 decode: Truncated bytes at offset 9 in string of 11 bytes
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| 54 | [ stdin ]:3: warning: UTF-8 decode: Truncated bytes at offset 9 in string of 12 bytes
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| 55 | ## END
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| 56 | # zsh behavior actually matches bash!
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| 57 | ## BUG bash/zsh stderr-json: ""
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| 58 | ## BUG bash/zsh STDOUT:
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| 59 | 0
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| 60 | 1
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| 61 | 2
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| 62 | 3
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| 63 | 3
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| 64 | 4
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| 65 | 5
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| 66 | 6
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| 67 | 5
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| 68 | 6
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| 69 | 7
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| 70 | 8
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| 71 | 9
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| 72 | 7
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| 73 | ## END
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| 74 | ## N-I dash/mksh stderr-json: ""
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| 75 | ## N-I dash/mksh STDOUT:
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| 76 | 0
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| 77 | 1
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| 78 | 2
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| 79 | 3
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| 80 | 4
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| 81 | 5
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| 82 | 6
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| 83 | 7
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| 84 | 8
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| 85 | 9
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| 86 | 10
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| 87 | 11
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| 88 | 12
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| 89 | 13
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| 90 | ## END
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| 91 |
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| 92 | #### String length with invalid utf-8 continuation bytes
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| 93 | for num_bytes in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14; do
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| 94 | s=$(head -c $num_bytes $REPO_ROOT/spec/testdata/utf8-chars.txt)$(echo -e "\xFF")
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| 95 | echo ${#s}
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| 96 | done 2> $TMP/err.txt
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| 97 |
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| 98 | grep 'warning:' $TMP/err.txt
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| 99 | true
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| 100 |
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| 101 | ## STDOUT:
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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 | -1
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| 117 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 0 in string of 1 bytes
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| 118 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 1 in string of 2 bytes
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| 119 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 2 in string of 3 bytes
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| 120 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 2 in string of 4 bytes
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| 121 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 4 in string of 5 bytes
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| 122 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 5 in string of 6 bytes
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| 123 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 5 in string of 7 bytes
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| 124 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 5 in string of 8 bytes
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| 125 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 8 in string of 9 bytes
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| 126 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 9 in string of 10 bytes
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| 127 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 9 in string of 11 bytes
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| 128 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 9 in string of 12 bytes
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| 129 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 9 in string of 13 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 | [ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 13 in string of 14 bytes
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| 132 | ## END
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| 133 | ## BUG bash/zsh stderr-json: ""
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| 134 | ## BUG bash/zsh STDOUT:
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| 135 | 1
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| 136 | 2
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| 137 | 3
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| 138 | 4
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| 139 | 4
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| 140 | 5
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| 141 | 6
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| 142 | 7
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| 143 | 6
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| 144 | 7
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| 145 | 8
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| 146 | 9
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| 147 | 10
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| 148 | 8
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| 149 | 8
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| 150 | ## N-I dash stderr-json: ""
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| 151 | ## N-I dash STDOUT:
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| 152 | 7
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| 153 | 8
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| 154 | 9
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| 155 | 10
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| 156 | 11
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| 157 | 12
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| 158 | 13
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| 159 | 14
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| 160 | 15
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| 161 | 16
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| 162 | 17
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| 163 | 18
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| 164 | 19
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| 165 | 20
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| 166 | 20
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| 167 | ## END
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| 168 | ## N-I mksh stderr-json: ""
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| 169 | ## N-I mksh STDOUT:
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| 170 | 1
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| 171 | 2
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| 172 | 3
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| 173 | 4
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| 174 | 5
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| 175 | 6
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| 176 | 7
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| 177 | 8
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| 178 | 9
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| 179 | 10
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| 180 | 11
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| 181 | 12
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| 182 | 13
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| 183 | 14
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| 184 | 14
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| 185 | ## END
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| 186 |
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| 187 | #### Length of undefined variable
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| 188 | echo ${#undef}
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| 189 | ## stdout: 0
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| 190 |
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| 191 | #### Length of undefined variable with nounset
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| 192 | set -o nounset
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| 193 | echo ${#undef}
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| 194 | ## status: 1
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| 195 | ## OK dash status: 2
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| 196 |
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| 197 | #### Length operator can't be followed by test operator
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| 198 | echo ${#x-default}
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| 199 |
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| 200 | x=''
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| 201 | echo ${#x-default}
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| 202 |
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| 203 | x='foo'
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| 204 | echo ${#x-default}
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| 205 |
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| 206 | ## status: 2
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| 207 | ## OK bash/mksh status: 1
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| 208 | ## stdout-json: ""
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| 209 | ## BUG zsh status: 0
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| 210 | ## BUG zsh STDOUT:
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| 211 | 7
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| 212 | 0
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| 213 | 3
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| 214 | ## END
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| 215 | ## BUG dash status: 0
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| 216 | ## BUG dash STDOUT:
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| 217 | 0
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| 218 | 0
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| 219 | 3
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| 220 | ## END
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| 221 |
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