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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