| 1 | ## compare_shells: bash dash mksh zsh ash
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| 2 | ## oils_failures_allowed: 0
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| 3 | ## oils_cpp_failures_allowed: 1
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| 4 | # TODO: fix C++ failure
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| 5 |
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| 6 | #### echo keyword
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| 7 | echo done
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| 8 | ## stdout: done
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| 9 |
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| 10 | #### if/else
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| 11 | if false; then
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| 12 | echo THEN
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| 13 | else
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| 14 | echo ELSE
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| 15 | fi
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| 16 | ## stdout: ELSE
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| 17 |
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| 18 | #### Turn an array into an integer.
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| 19 | a=(1 2 3)
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| 20 | (( a = 42 ))
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| 21 | echo $a
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| 22 | ## stdout: 42
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| 23 | ## N-I dash/ash stdout-json: ""
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| 24 | ## N-I dash/ash status: 2
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| 25 |
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| 26 |
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| 27 | #### assign readonly -- one line
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| 28 | readonly x=1; x=2; echo hi
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| 29 | ## status: 1
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| 30 | ## OK dash/mksh/ash status: 2
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| 31 | ## STDOUT:
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| 32 | ## END
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| 33 |
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| 34 | #### assign readonly -- multiple lines
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| 35 | readonly x=1
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| 36 | x=2
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| 37 | echo hi
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| 38 | ## status: 1
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| 39 | ## OK dash/mksh/ash status: 2
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| 40 | ## STDOUT:
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| 41 | ## END
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| 42 | ## BUG bash status: 0
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| 43 | ## BUG bash STDOUT:
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| 44 | hi
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| 45 | ## END
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| 46 |
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| 47 | #### assign readonly -- multiple lines -- set -o posix
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| 48 | set -o posix
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| 49 | readonly x=1
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| 50 | x=2
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| 51 | echo hi
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| 52 | ## status: 1
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| 53 | ## OK dash/mksh/ash status: 2
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| 54 | ## STDOUT:
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| 55 | ## END
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| 56 |
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| 57 | #### unset readonly -- one line
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| 58 | readonly x=1; unset x; echo hi
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| 59 | ## STDOUT:
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| 60 | hi
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| 61 | ## END
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| 62 | ## OK dash/ash status: 2
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| 63 | ## OK zsh status: 1
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| 64 | ## OK dash/ash stdout-json: ""
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| 65 | ## OK zsh stdout-json: ""
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| 66 |
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| 67 | #### unset readonly -- multiple lines
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| 68 | readonly x=1
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| 69 | unset x
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| 70 | echo hi
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| 71 | ## OK dash/ash status: 2
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| 72 | ## OK zsh status: 1
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| 73 | ## OK dash/ash stdout-json: ""
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| 74 | ## OK zsh stdout-json: ""
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| 75 |
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| 76 | #### First word like foo$x() and foo$[1+2] (regression)
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| 77 |
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| 78 | # Problem: $x() func call broke this error message
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| 79 | foo$identity('z')
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| 80 |
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| 81 | foo$[1+2]
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| 82 |
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| 83 | echo DONE
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| 84 |
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| 85 | ## status: 2
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| 86 | ## OK mksh/zsh status: 1
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| 87 | ## STDOUT:
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| 88 | ## END
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| 89 |
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| 90 | #### Function names
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| 91 | foo$x() {
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| 92 | echo hi
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| 93 | }
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| 94 |
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| 95 | foo $x() {
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| 96 | echo hi
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| 97 | }
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| 98 |
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| 99 | ## status: 2
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| 100 | ## OK mksh/zsh status: 1
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| 101 | ## BUG zsh status: 0
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| 102 | ## STDOUT:
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| 103 | ## END
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| 104 |
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| 105 |
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| 106 | #### file with NUL byte
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| 107 | echo -e 'echo one \0 echo two' > tmp.sh
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| 108 | $SH tmp.sh
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| 109 | ## STDOUT:
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| 110 | one echo two
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| 111 | ## END
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| 112 | ## OK osh STDOUT:
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| 113 | one
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| 114 | ## END
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| 115 | ## N-I dash stdout-json: ""
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| 116 | ## N-I dash status: 127
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| 117 | ## OK bash stdout-json: ""
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| 118 | ## OK bash status: 126
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| 119 | ## OK zsh stdout-json: "one \u0000echo two\n"
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| 120 |
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| 121 | #### fastlex: PS1 format string that's incomplete / with NUL byte
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| 122 | case $SH in bash) exit ;; esac
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| 123 |
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| 124 | x=$'\\D{%H:%M' # leave off trailing }
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| 125 | echo x=${x@P}
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| 126 |
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| 127 | ## STDOUT:
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| 128 | x=\D{%H:%M
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| 129 | ## END
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| 130 |
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| 131 | # bash just ignores the missing }
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| 132 | ## BUG bash stdout-json: ""
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| 133 |
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| 134 | # These shells don't understand @P
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| 135 |
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| 136 | ## N-I dash/ash stdout-json: ""
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| 137 | ## N-I dash/ash status: 2
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| 138 |
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| 139 | ## N-I zsh stdout-json: ""
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| 140 | ## N-I zsh status: 1
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| 141 |
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| 142 |
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| 143 | #### 'echo' and printf fail on writing to full disk
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| 144 |
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| 145 | # Inspired by https://blog.sunfishcode.online/bugs-in-hello-world/
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| 146 |
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| 147 | echo hi > /dev/full
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| 148 | echo status=$?
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| 149 |
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| 150 | printf '%s\n' hi > /dev/full
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| 151 | echo status=$?
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| 152 |
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| 153 | ## STDOUT:
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| 154 | status=1
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| 155 | status=1
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| 156 | ## END
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| 157 |
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| 158 | #### other builtins fail on writing to full disk
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| 159 |
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| 160 | type echo > /dev/full
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| 161 | echo status=$?
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| 162 |
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| 163 | # other random builtin
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| 164 | ulimit -a > /dev/full
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| 165 | echo status=$?
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| 166 |
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| 167 | ## STDOUT:
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| 168 | status=1
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| 169 | status=1
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| 170 | ## END
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| 171 |
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| 172 | ## BUG mksh/zsh STDOUT:
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| 173 | status=0
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| 174 | status=0
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| 175 | ## END
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| 176 |
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| 177 | #### subshell while running a script (regression)
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| 178 | # Ensures that spawning a subshell doesn't cause a seek on the file input stream
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| 179 | # representing the current script (issue #1233).
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| 180 | cat >tmp.sh <<'EOF'
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| 181 | echo start
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| 182 | (:)
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| 183 | echo end
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| 184 | EOF
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| 185 | $SH tmp.sh
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| 186 | ## STDOUT:
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| 187 | start
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| 188 | end
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| 189 | ## END
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| 190 |
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| 191 | #### for loop (issue #1446)
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| 192 | case $SH in (dash|mksh|ash) exit ;; esac
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| 193 |
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| 194 | for (( n=0; n<(3-(1)); n++ )) ; do echo $n; done
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| 195 |
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| 196 | ## STDOUT:
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| 197 | 0
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| 198 | 1
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| 199 | ## END
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| 200 | ## N-I dash/mksh/ash STDOUT:
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| 201 | ## END
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| 202 |
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| 203 |
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| 204 |
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| 205 | #### for loop 2 (issue #1446)
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| 206 | case $SH in (dash|mksh|ash) exit ;; esac
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| 207 |
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| 208 |
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| 209 | for (( n=0; n<(3- (1)); n++ )) ; do echo $n; done
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| 210 |
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| 211 | ## STDOUT:
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| 212 | 0
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| 213 | 1
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| 214 | ## END
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| 215 | ## N-I dash/mksh/ash STDOUT:
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| 216 | ## END
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| 217 |
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| 218 | #### autoconf word split (#1449)
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| 219 |
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| 220 | mysed() {
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| 221 | for line in "$@"; do
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| 222 | echo "[$line]"
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| 223 | done
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| 224 | }
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| 225 |
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| 226 | sedinputs="f1 f2"
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| 227 | sedscript='my sed command'
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| 228 |
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| 229 | # Parsed and evaluated correctly: with word_part.EscapedLiteral \"
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| 230 |
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| 231 | x=$(eval "mysed -n \"\$sedscript\" $sedinputs")
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| 232 | echo '--- $()'
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| 233 | echo "$x"
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| 234 |
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| 235 | # With backticks, the \" gets lost somehow
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| 236 |
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| 237 | x=`eval "mysed -n \"\$sedscript\" $sedinputs"`
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| 238 | echo '--- backticks'
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| 239 | echo "$x"
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| 240 |
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| 241 |
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| 242 | # Test it in a case statement
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| 243 |
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| 244 | case `eval "mysed -n \"\$sedscript\" $sedinputs"` in
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| 245 | (*'[my sed command]'*)
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| 246 | echo 'NOT SPLIT'
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| 247 | ;;
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| 248 | esac
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| 249 |
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| 250 | ## STDOUT:
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| 251 | --- $()
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| 252 | [-n]
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| 253 | [my sed command]
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| 254 | [f1]
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| 255 | [f2]
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| 256 | --- backticks
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| 257 | [-n]
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| 258 | [my sed command]
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| 259 | [f1]
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| 260 | [f2]
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| 261 | NOT SPLIT
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| 262 | ## END
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| 263 |
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| 264 | #### autoconf arithmetic - relaxed eval_unsafe_arith (#1450)
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| 265 |
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| 266 | as_fn_arith ()
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| 267 | {
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| 268 | as_val=$(( $* ))
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| 269 | }
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| 270 | as_fn_arith 1 + 1
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| 271 | echo $as_val
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| 272 |
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| 273 | ## STDOUT:
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| 274 | 2
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| 275 | ## END
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| 276 |
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| 277 | #### command execution $(echo 42 | tee PWNED) not allowed
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| 278 |
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| 279 | rm -f PWNED
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| 280 |
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| 281 | x='a[$(echo 42 | tee PWNED)]=1'
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| 282 | echo $(( x ))
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| 283 |
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| 284 | if test -f PWNED; then
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| 285 | cat PWNED
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| 286 | else
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| 287 | echo NOPE
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| 288 | fi
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| 289 |
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| 290 | ## status: 1
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| 291 | ## OK dash/ash status: 2
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| 292 | ## stdout-json: ""
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| 293 | ## BUG bash/mksh/zsh status: 0
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| 294 | ## BUG bash/mksh/zsh STDOUT:
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| 295 | 1
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| 296 | 42
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| 297 | ## END
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| 298 |
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| 299 | #### process sub <(echo 42 | tee PWNED) not allowed
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| 300 |
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| 301 | rm -f PWNED
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| 302 |
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| 303 | x='a[<(echo 42 | tee PWNED)]=1'
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| 304 | echo $(( x ))
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| 305 |
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| 306 | if test -f PWNED; then
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| 307 | cat PWNED
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| 308 | else
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| 309 | echo NOPE
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| 310 | fi
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| 311 |
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| 312 | ## status: 1
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| 313 | ## stdout-json: ""
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| 314 |
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| 315 | ## OK dash/ash status: 2
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| 316 |
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| 317 | # bash keeps going
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| 318 | ## BUG bash status: 0
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| 319 | ## BUG bash STDOUT:
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| 320 | NOPE
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| 321 | ## END
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| 322 |
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| 323 |
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| 324 | #### unset doesn't allow command execution
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| 325 |
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| 326 | typeset -a a # for mksh
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| 327 | a=(42)
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| 328 | echo len=${#a[@]}
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| 329 |
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| 330 | unset -v 'a[$(echo 0 | tee PWNED)]'
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| 331 | echo len=${#a[@]}
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| 332 |
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| 333 | if test -f PWNED; then
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| 334 | echo PWNED
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| 335 | cat PWNED
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| 336 | else
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| 337 | echo NOPE
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| 338 | fi
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| 339 |
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| 340 | ## status: 1
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| 341 | ## STDOUT:
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| 342 | len=1
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| 343 | ## END
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| 344 |
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| 345 | ## N-I dash/ash status: 2
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| 346 | ## N-I dash/ash stdout-json: ""
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| 347 |
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| 348 | ## BUG bash/mksh status: 0
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| 349 | ## BUG bash/mksh STDOUT:
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| 350 | len=1
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| 351 | len=0
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| 352 | PWNED
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| 353 | 0
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| 354 | ## END
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| 355 |
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| 356 | ## BUG zsh status: 0
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| 357 | ## BUG zsh STDOUT:
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| 358 | len=1
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| 359 | len=1
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| 360 | PWNED
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| 361 | 0
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| 362 | ## END
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| 363 |
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| 364 | #### printf integer size bug
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| 365 |
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| 366 | # from Koiche on Zulip
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| 367 |
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| 368 | printf '%x\n' 2147483648
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| 369 | printf '%u\n' 2147483648
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| 370 | ## STDOUT:
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| 371 | 80000000
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| 372 | 2147483648
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| 373 | ## END
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| 374 |
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| 375 | #### (( status bug
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| 376 |
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| 377 | # from Koiche on Zulip
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| 378 |
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| 379 | case $SH in dash|ash) exit ;; esac
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| 380 |
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| 381 | (( 1 << 32 ))
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| 382 | echo status=$?
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| 383 |
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| 384 | (( 1 << 32 )) && echo yes
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| 385 |
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| 386 | ## STDOUT:
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| 387 | status=0
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| 388 | yes
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| 389 | ## END
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| 390 |
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| 391 | ## N-I dash/ash STDOUT:
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| 392 | ## END
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| 393 |
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| 394 | #### autotools as_fn_arith bug in configure
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| 395 |
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| 396 | # Causes 'grep -e' check to infinite loop.
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| 397 | # Reduced from a configure script.
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| 398 |
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| 399 | as_fn_arith() {
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| 400 | as_val=$(( $* ))
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| 401 | }
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| 402 |
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| 403 | as_fn_arith 0 + 1
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| 404 | echo as_val=$as_val
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| 405 | ## STDOUT:
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| 406 | as_val=1
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| 407 | ## END
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| 408 |
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| 409 | #### osh-native duplicates stdin - is this a test harness issue?
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| 410 |
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| 411 | echo $0 | grep -o sh
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| 412 |
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| 413 | ## STDOUT:
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| 414 | sh
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| 415 | ## END
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