| 1 | ## compare_shells: bash
|
| 2 |
|
| 3 | #### Tilde expansions in RHS of [k]=v (BashArray)
|
| 4 | HOME=/home/user
|
| 5 | a=([2]=~ [4]=~:~:~)
|
| 6 | echo "${a[2]}"
|
| 7 | echo "${a[4]}"
|
| 8 | ## STDOUT:
|
| 9 | /home/user
|
| 10 | /home/user:/home/user:/home/user
|
| 11 | ## END
|
| 12 |
|
| 13 | #### Tilde expansions in RHS of [k]=v (BashAssoc)
|
| 14 | # Note: bash-5.2 has a bug that the tilde doesn't expand on the right hand side
|
| 15 | # of [key]=value. This problem doesn't happen in bash-3.1..5.1 and bash-5.3.
|
| 16 | HOME=/home/user
|
| 17 | declare -A a
|
| 18 | declare -A a=(['home']=~ ['hello']=~:~:~)
|
| 19 | echo "${a['home']}"
|
| 20 | echo "${a['hello']}"
|
| 21 | ## STDOUT:
|
| 22 | /home/user
|
| 23 | /home/user:/home/user:/home/user
|
| 24 | ## END
|
| 25 | ## BUG bash STDOUT:
|
| 26 | ~
|
| 27 | ~:~:~
|
| 28 | ## END
|
| 29 |
|
| 30 | #### index increments without [k]= (BashArray)
|
| 31 | a=([100]=1 2 3 4)
|
| 32 | printf 'keys: '; argv.py "${!a[@]}"
|
| 33 | printf 'vals: '; argv.py "${a[@]}"
|
| 34 | a=([100]=1 2 3 4 [5]=a b c d)
|
| 35 | printf 'keys: '; argv.py "${!a[@]}"
|
| 36 | printf 'vals: '; argv.py "${a[@]}"
|
| 37 | ## STDOUT:
|
| 38 | keys: ['100', '101', '102', '103']
|
| 39 | vals: ['1', '2', '3', '4']
|
| 40 | keys: ['5', '6', '7', '8', '100', '101', '102', '103']
|
| 41 | vals: ['a', 'b', 'c', 'd', '1', '2', '3', '4']
|
| 42 | ## END
|
| 43 |
|
| 44 | #### [k]=$v and [k]="$@" (BashArray)
|
| 45 | i=5
|
| 46 | v='1 2 3'
|
| 47 | a=($v [i]=$v)
|
| 48 | printf 'keys: '; argv.py "${!a[@]}"
|
| 49 | printf 'vals: '; argv.py "${a[@]}"
|
| 50 |
|
| 51 | x=(3 5 7)
|
| 52 | a=($v [i]="${x[*]}")
|
| 53 | printf 'keys: '; argv.py "${!a[@]}"
|
| 54 | printf 'vals: '; argv.py "${a[@]}"
|
| 55 | a=($v [i]="${x[@]}")
|
| 56 | printf 'keys: '; argv.py "${!a[@]}"
|
| 57 | printf 'vals: '; argv.py "${a[@]}"
|
| 58 | a=($v [i]=${x[*]})
|
| 59 | printf 'keys: '; argv.py "${!a[@]}"
|
| 60 | printf 'vals: '; argv.py "${a[@]}"
|
| 61 | a=($v [i]=${x[@]})
|
| 62 | printf 'keys: '; argv.py "${!a[@]}"
|
| 63 | printf 'vals: '; argv.py "${a[@]}"
|
| 64 | ## STDOUT:
|
| 65 | keys: ['0', '1', '2', '5']
|
| 66 | vals: ['1', '2', '3', '1 2 3']
|
| 67 | keys: ['0', '1', '2', '5']
|
| 68 | vals: ['1', '2', '3', '3 5 7']
|
| 69 | keys: ['0', '1', '2', '5']
|
| 70 | vals: ['1', '2', '3', '3 5 7']
|
| 71 | keys: ['0', '1', '2', '5']
|
| 72 | vals: ['1', '2', '3', '3 5 7']
|
| 73 | keys: ['0', '1', '2', '5']
|
| 74 | vals: ['1', '2', '3', '3 5 7']
|
| 75 | ## END
|
| 76 |
|
| 77 | #### [k]=$v and [k]="$@" (BashAssoc)
|
| 78 | i=5
|
| 79 | v='1 2 3'
|
| 80 | declare -A a
|
| 81 | a=([i]=$v)
|
| 82 | printf 'keys: '; argv.py "${!a[@]}"
|
| 83 | printf 'vals: '; argv.py "${a[@]}"
|
| 84 |
|
| 85 | x=(3 5 7)
|
| 86 | a=([i]="${x[*]}")
|
| 87 | printf 'keys: '; argv.py "${!a[@]}"
|
| 88 | printf 'vals: '; argv.py "${a[@]}"
|
| 89 | a=([i]="${x[@]}")
|
| 90 | printf 'keys: '; argv.py "${!a[@]}"
|
| 91 | printf 'vals: '; argv.py "${a[@]}"
|
| 92 | a=([i]=${x[*]})
|
| 93 | printf 'keys: '; argv.py "${!a[@]}"
|
| 94 | printf 'vals: '; argv.py "${a[@]}"
|
| 95 | a=([i]=${x[@]})
|
| 96 | printf 'keys: '; argv.py "${!a[@]}"
|
| 97 | printf 'vals: '; argv.py "${a[@]}"
|
| 98 | ## STDOUT:
|
| 99 | keys: ['i']
|
| 100 | vals: ['1 2 3']
|
| 101 | keys: ['i']
|
| 102 | vals: ['3 5 7']
|
| 103 | keys: ['i']
|
| 104 | vals: ['3 5 7']
|
| 105 | keys: ['i']
|
| 106 | vals: ['3 5 7']
|
| 107 | keys: ['i']
|
| 108 | vals: ['3 5 7']
|
| 109 | ## END
|
| 110 |
|
| 111 | #### append to element (BashArray)
|
| 112 | hello=100
|
| 113 | a=([hello]=1 [hello]+=2)
|
| 114 | printf 'keys: '; argv.py "${!a[@]}"
|
| 115 | printf 'vals: '; argv.py "${a[@]}"
|
| 116 | a+=([hello]+=:34 [hello]+=:56)
|
| 117 | printf 'keys: '; argv.py "${!a[@]}"
|
| 118 | printf 'vals: '; argv.py "${a[@]}"
|
| 119 | ## STDOUT:
|
| 120 | keys: ['100']
|
| 121 | vals: ['12']
|
| 122 | keys: ['100']
|
| 123 | vals: ['12:34:56']
|
| 124 | ## END
|
| 125 |
|
| 126 | #### append to element (BashAssoc)
|
| 127 | declare -A a
|
| 128 | hello=100
|
| 129 | a=([hello]=1 [hello]+=2)
|
| 130 | printf 'keys: '; argv.py "${!a[@]}"
|
| 131 | printf 'vals: '; argv.py "${a[@]}"
|
| 132 | a+=([hello]+=:34 [hello]+=:56)
|
| 133 | printf 'keys: '; argv.py "${!a[@]}"
|
| 134 | printf 'vals: '; argv.py "${a[@]}"
|
| 135 | ## STDOUT:
|
| 136 | keys: ['hello']
|
| 137 | vals: ['12']
|
| 138 | keys: ['hello']
|
| 139 | vals: ['12:34:56']
|
| 140 | ## END
|
| 141 | # Bash >= 5.1 has a bug. Bash <= 5.0 is OK.
|
| 142 | ## BUG bash STDOUT:
|
| 143 | keys: ['hello']
|
| 144 | vals: ['2']
|
| 145 | keys: ['hello']
|
| 146 | vals: ['2:34:56']
|
| 147 | ## END
|
| 148 |
|
| 149 | #### non-index forms of element (BashAssoc)
|
| 150 | declare -A a
|
| 151 | a=([j]=1 2 3 4)
|
| 152 | echo "status=$?"
|
| 153 | printf 'keys: '; argv.py "${!a[@]}"
|
| 154 | printf 'vals: '; argv.py "${a[@]}"
|
| 155 | ## status: 1
|
| 156 | ## STDOUT:
|
| 157 | ## END
|
| 158 | # Bash outputs warning messages and succeeds (exit status 0)
|
| 159 | ## BUG bash status: 0
|
| 160 | ## BUG bash STDOUT:
|
| 161 | status=0
|
| 162 | keys: ['j']
|
| 163 | vals: ['1']
|
| 164 | ## END
|
| 165 | ## BUG bash STDERR:
|
| 166 | bash: line 2: a: 2: must use subscript when assigning associative array
|
| 167 | bash: line 2: a: 3: must use subscript when assigning associative array
|
| 168 | bash: line 2: a: 4: must use subscript when assigning associative array
|
| 169 | ## END
|
| 170 |
|
| 171 | #### Evaluation order (1)
|
| 172 | # RHS of [k]=v are expanded when the initializer list is instanciated. For the
|
| 173 | # indexed array, the array indices are evaluated when the array is modified.
|
| 174 | i=1
|
| 175 | a=([100+i++]=$((i++)) [200+i++]=$((i++)) [300+i++]=$((i++)))
|
| 176 | printf 'keys: '; argv.py "${!a[@]}"
|
| 177 | printf 'vals: '; argv.py "${a[@]}"
|
| 178 | ## STDOUT:
|
| 179 | keys: ['104', '205', '306']
|
| 180 | vals: ['1', '2', '3']
|
| 181 | ## END
|
| 182 |
|
| 183 | #### Evaluation order (2)
|
| 184 | # When evaluating the index, the modification to the array by the previous item
|
| 185 | # of the initializer list is visible to the current item.
|
| 186 | a=([0]=1+2+3 [a[0]]=10 [a[6]]=hello)
|
| 187 | printf 'keys: '; argv.py "${!a[@]}"
|
| 188 | printf 'vals: '; argv.py "${a[@]}"
|
| 189 | ## STDOUT:
|
| 190 | keys: ['0', '6', '10']
|
| 191 | vals: ['1+2+3', '10', 'hello']
|
| 192 | ## END
|
| 193 |
|
| 194 | #### Evaluation order (3)
|
| 195 | # RHS should be expanded before any modification to the array.
|
| 196 | a=(old1 old2 old3)
|
| 197 | a=("${a[2]}" "${a[0]}" "${a[1]}" "${a[2]}" "${a[0]}")
|
| 198 | printf 'keys: '; argv.py "${!a[@]}"
|
| 199 | printf 'vals: '; argv.py "${a[@]}"
|
| 200 | a=(old1 old2 old3)
|
| 201 | old1=101 old2=102 old3=103
|
| 202 | new1=201 new2=202 new3=203
|
| 203 | a+=([0]=new1 [1]=new2 [2]=new3 [5]="${a[2]}" [a[0]]="${a[0]}" [a[1]]="${a[1]}")
|
| 204 | printf 'keys: '; argv.py "${!a[@]}"
|
| 205 | printf 'vals: '; argv.py "${a[@]}"
|
| 206 | ## STDOUT:
|
| 207 | keys: ['0', '1', '2', '3', '4']
|
| 208 | vals: ['old3', 'old1', 'old2', 'old3', 'old1']
|
| 209 | keys: ['0', '1', '2', '5', '201', '202']
|
| 210 | vals: ['new1', 'new2', 'new3', 'old3', 'old1', 'old2']
|
| 211 | ## END
|
| 212 |
|
| 213 | #### [k1]=v1 (BashArray)
|
| 214 | # Note: This and next tests have originally been in "spec/assign.test.sh" and
|
| 215 | # compared the behavior of OSH's BashAssoc and Bash's indexed array. After
|
| 216 | # supporting "arr=([index]=value)" for indexed arrays, the test was adjusted
|
| 217 | # and copied here. See also the corresponding tests in "spec/assign.test.sh"
|
| 218 | a=([k1]=v1 [k2]=v2)
|
| 219 | echo ${a["k1"]}
|
| 220 | echo ${a["k2"]}
|
| 221 | ## STDOUT:
|
| 222 | v2
|
| 223 | v2
|
| 224 | ## END
|
| 225 |
|
| 226 | #### [k1]=v1 (BashAssoc)
|
| 227 | declare -A a
|
| 228 | a=([k1]=v1 [k2]=v2)
|
| 229 | echo ${a["k1"]}
|
| 230 | echo ${a["k2"]}
|
| 231 | ## STDOUT:
|
| 232 | v1
|
| 233 | v2
|
| 234 | ## END
|
| 235 |
|
| 236 | #### [k1]=v1 looking like brace expansions (BashAssoc)
|
| 237 | declare -A a
|
| 238 | a=([k2]=-{a,b}-)
|
| 239 | echo ${a["k2"]}
|
| 240 | ## STDOUT:
|
| 241 | -{a,b}-
|
| 242 | ## END
|
| 243 |
|
| 244 | #### [k1]=v1 looking like brace expansions (BashArray)
|
| 245 | a=([k2]=-{a,b}-)
|
| 246 | echo ${a["k2"]}
|
| 247 | ## STDOUT:
|
| 248 | -{a,b}-
|
| 249 | ## END
|
| 250 | ## BUG bash STDOUT:
|
| 251 | [k2]=-a-
|
| 252 | ## END
|
| 253 |
|
| 254 | #### BashArray cannot be changed to BashAssoc and vice versa
|
| 255 | declare -a a=(1 2 3 4)
|
| 256 | eval 'declare -A a=([a]=x [b]=y [c]=z)'
|
| 257 | echo status=$?
|
| 258 | argv.py "${a[@]}"
|
| 259 |
|
| 260 | declare -A A=([a]=x [b]=y [c]=z)
|
| 261 | eval 'declare -a A=(1 2 3 4)'
|
| 262 | echo status=$?
|
| 263 | argv.py $(printf '%s\n' "${A[@]}" | sort)
|
| 264 | ## STDOUT:
|
| 265 | status=1
|
| 266 | ['1', '2', '3', '4']
|
| 267 | status=1
|
| 268 | ['x', 'y', 'z']
|
| 269 | ## END
|
| 270 |
|
| 271 | #### (strict_array) s+=()
|
| 272 | case $SH in bash) ;; *) shopt --set strict_array ;; esac
|
| 273 |
|
| 274 | s1=hello
|
| 275 | s2=world
|
| 276 |
|
| 277 | # Overwriting Str with a new BashArray is allowed
|
| 278 | eval 's1=(1 2 3 4)'
|
| 279 | echo status=$?
|
| 280 | declare -p s1
|
| 281 | # Promoting Str to a BashArray is disallowed
|
| 282 | eval 's2+=(1 2 3 4)'
|
| 283 | echo status=$?
|
| 284 | declare -p s2
|
| 285 | ## STDOUT:
|
| 286 | status=0
|
| 287 | declare -a s1=(1 2 3 4)
|
| 288 | status=1
|
| 289 | declare -- s2=world
|
| 290 | ## END
|
| 291 | ## N-I bash STDOUT:
|
| 292 | status=0
|
| 293 | declare -a s1=([0]="1" [1]="2" [2]="3" [3]="4")
|
| 294 | status=0
|
| 295 | declare -a s2=([0]="world" [1]="1" [2]="2" [3]="3" [4]="4")
|
| 296 | ## END
|
| 297 |
|
| 298 | #### (strict_array) declare -A s+=()
|
| 299 | case $SH in bash) ;; *) shopt --set strict_array ;; esac
|
| 300 |
|
| 301 | s1=hello
|
| 302 | s2=world
|
| 303 |
|
| 304 | # Overwriting Str with a new BashAssoc is allowed
|
| 305 | eval 'declare -A s1=([a]=x [b]=y)'
|
| 306 | echo status=$?
|
| 307 | declare -p s1
|
| 308 | # Promoting Str to a BashAssoc is disallowed
|
| 309 | eval 'declare -A s2+=([a]=x [b]=y)'
|
| 310 | echo status=$?
|
| 311 | declare -p s2
|
| 312 | ## STDOUT:
|
| 313 | status=0
|
| 314 | declare -A s1=(['a']=x ['b']=y)
|
| 315 | status=1
|
| 316 | declare -- s2=world
|
| 317 | ## END
|
| 318 | ## N-I bash STDOUT:
|
| 319 | status=0
|
| 320 | declare -A s1=([b]="y" [a]="x" )
|
| 321 | status=0
|
| 322 | declare -A s2=([0]="world" [b]="y" [a]="x" )
|
| 323 | ## END
|
| 324 |
|
| 325 | #### (strict_array) assoc=(key value ...) is not allowed
|
| 326 | case $SH in bash) ;; *) shopt --set strict_array ;; esac
|
| 327 |
|
| 328 | declare -A a=([a]=b)
|
| 329 | eval "a=(1 2 3 4)"
|
| 330 | declare -p a
|
| 331 | ## STDOUT:
|
| 332 | declare -A a=()
|
| 333 | ## END
|
| 334 | ## N-I bash STDOUT:
|
| 335 | declare -A a=([3]="4" [1]="2" )
|
| 336 | ## END
|