| 1 | ## compare_shells: bash dash mksh zsh
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| 2 | ## oils_failures_allowed: 0
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| 3 |
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| 4 | # Note: zsh passes most of these tests too
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| 5 |
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| 6 | #### Case statement
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| 7 | case a in
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| 8 | a) echo A ;;
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| 9 | *) echo star ;;
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| 10 | esac
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| 11 |
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| 12 | for x in a b; do
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| 13 | case $x in
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| 14 | # the pattern is DYNAMIC and evaluated on every iteration
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| 15 | $x) echo loop ;;
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| 16 | *) echo star ;;
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| 17 | esac
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| 18 | done
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| 19 | ## STDOUT:
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| 20 | A
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| 21 | loop
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| 22 | loop
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| 23 | ## END
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| 24 |
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| 25 | #### Case statement with ;;&
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| 26 | # ;;& keeps testing conditions
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| 27 | # NOTE: ;& and ;;& are bash 4 only, not on Mac
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| 28 | case a in
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| 29 | a) echo A ;;&
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| 30 | *) echo star ;;&
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| 31 | *) echo star2 ;;
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| 32 | esac
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| 33 | ## status: 0
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| 34 | ## STDOUT:
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| 35 | A
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| 36 | star
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| 37 | star2
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| 38 | ## END
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| 39 | ## N-I dash stdout-json: ""
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| 40 | ## N-I dash status: 2
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| 41 | ## N-I zsh stdout-json: ""
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| 42 | ## N-I zsh status: 1
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| 43 |
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| 44 | #### Case statement with ;&
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| 45 | # ;& ignores the next condition. Why would that be useful?
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| 46 |
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| 47 | for x in aa bb cc dd zz; do
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| 48 | case $x in
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| 49 | aa) echo aa ;&
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| 50 | bb) echo bb ;&
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| 51 | cc) echo cc ;;
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| 52 | dd) echo dd ;;
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| 53 | esac
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| 54 | echo --
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| 55 | done
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| 56 |
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| 57 | ## status: 0
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| 58 | ## STDOUT:
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| 59 | aa
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| 60 | bb
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| 61 | cc
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| 62 | --
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| 63 | bb
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| 64 | cc
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| 65 | --
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| 66 | cc
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| 67 | --
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| 68 | dd
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| 69 | --
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| 70 | --
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| 71 | ## END
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| 72 | ## N-I dash stdout-json: ""
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| 73 | ## N-I dash status: 2
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| 74 |
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| 75 | #### Case with empty condition
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| 76 | case $empty in
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| 77 | ''|foo) echo match ;;
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| 78 | *) echo no ;;
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| 79 | esac
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| 80 | ## stdout: match
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| 81 |
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| 82 | #### Match a literal with a glob character
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| 83 | x='*.py'
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| 84 | case "$x" in
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| 85 | '*.py') echo match ;;
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| 86 | esac
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| 87 | ## stdout: match
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| 88 |
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| 89 | #### Match a literal with a glob character with a dynamic pattern
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| 90 | x='b.py'
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| 91 | pat='[ab].py'
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| 92 | case "$x" in
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| 93 | $pat) echo match ;;
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| 94 | esac
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| 95 | ## stdout: match
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| 96 | ## BUG zsh stdout-json: ""
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| 97 |
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| 98 | #### Quoted literal in glob pattern
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| 99 | x='[ab].py'
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| 100 | pat='[ab].py'
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| 101 | case "$x" in
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| 102 | "$pat") echo match ;;
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| 103 | esac
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| 104 | ## stdout: match
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| 105 |
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| 106 | #### Multiple Patterns Match
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| 107 | x=foo
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| 108 | result='-'
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| 109 | case "$x" in
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| 110 | f*|*o) result="$result X"
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| 111 | esac
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| 112 | echo $result
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| 113 | ## stdout: - X
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| 114 |
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| 115 | #### Pattern ? matches 1 code point (many bytes), but not multiple code points
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| 116 |
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| 117 | # These two code points form a single character.
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| 118 | two_code_points="__$(echo $'\u0061\u0300')__"
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| 119 |
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| 120 | # U+0061 is A, and U+0300 is an accent.
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| 121 | #
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| 122 | # (Example taken from # https://blog.golang.org/strings)
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| 123 | #
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| 124 | # However ? in bash/zsh only counts CODE POINTS. They do NOT take into account
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| 125 | # this case.
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| 126 |
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| 127 | for s in '__a__' '__μ__' "$two_code_points"; do
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| 128 | case $s in
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| 129 | __?__)
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| 130 | echo yes
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| 131 | ;;
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| 132 | *)
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| 133 | echo no
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| 134 | esac
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| 135 | done
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| 136 | ## STDOUT:
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| 137 | yes
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| 138 | yes
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| 139 | no
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| 140 | ## END
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| 141 | ## BUG dash/mksh STDOUT:
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| 142 | yes
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| 143 | no
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| 144 | no
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| 145 | ## END
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| 146 |
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| 147 | #### case matching the byte 0xff
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| 148 |
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| 149 | # This doesn't make a difference on my local machine?
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| 150 | # Is the underlying issue how libc fnmatch() respects Unicode?
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| 151 |
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| 152 | #LC_ALL=C
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| 153 | #LC_ALL=C.UTF-8
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| 154 |
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| 155 | c=$(printf \\377)
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| 156 |
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| 157 | # OSH prints -1 here
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| 158 | #echo "${#c}"
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| 159 |
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| 160 | case $c in
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| 161 | '') echo a ;;
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| 162 | "$c") echo b ;;
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| 163 | esac
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| 164 |
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| 165 | case "$c" in
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| 166 | '') echo a ;;
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| 167 | "$c") echo b ;;
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| 168 | esac
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| 169 |
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| 170 | ## STDOUT:
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| 171 | b
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| 172 | b
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| 173 | ## END
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| 174 |
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| 175 | #### \(\) in pattern (regression)
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| 176 | s='foo()'
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| 177 |
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| 178 | case $s in
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| 179 | *\(\)) echo 'match'
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| 180 | esac
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| 181 |
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| 182 | case $SH in (dash) exit;; esac # not implemented
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| 183 |
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| 184 | shopt -s extglob
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| 185 |
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| 186 | case $s in
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| 187 | *(foo|bar)'()') echo 'extglob'
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| 188 | esac
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| 189 | ## STDOUT:
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| 190 | match
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| 191 | extglob
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| 192 | ## END
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| 193 | ## N-I dash STDOUT:
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| 194 | match
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| 195 | ## END
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| 196 |
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| 197 |
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| 198 | #### case \n bug regression
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| 199 |
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| 200 | case
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| 201 | in esac
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| 202 |
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| 203 | ## STDOUT:
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| 204 | ## END
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| 205 | ## status: 2
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| 206 | ## OK mksh status: 1
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| 207 | ## OK zsh status: 127
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| 208 |
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