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