1 2e= q='?' a='*' t=texttext s='ast*que?non' p='/et[c]/' w='a b c' b='{{(#)}}' 3h='##' 4failures='' 5ok='' 6 7testcase() { 8 code="$1" 9 expected="$2" 10 oIFS="$IFS" 11 eval "$code" 12 IFS='|' 13 result="$#|$*" 14 IFS="$oIFS" 15 if [ "x$result" = "x$expected" ]; then 16 ok=x$ok 17 else 18 failures=x$failures 19 echo "For $code, expected $expected actual $result" 20 fi 21} 22 23testcase 'v=; set -- ${v=a b} $v' '0|' 24testcase 'unset v; set -- ${v=a b} $v' '4|a|b|a|b' 25testcase 'v=; set -- ${v:=a b} $v' '4|a|b|a|b' 26testcase 'v=; set -- "${v:=a b}" "$v"' '2|a b|a b' 27# expect sensible behaviour, although it disagrees with POSIX 28testcase 'v=; set -- ${v:=a\ b} $v' '4|a|b|a|b' 29testcase 'v=; set -- ${v:=$p} $v' '2|/etc/|/etc/' 30testcase 'v=; set -- "${v:=$p}" "$v"' '2|/et[c]/|/et[c]/' 31testcase 'v=; set -- "${v:=a\ b}" "$v"' '2|a\ b|a\ b' 32testcase 'v=; set -- ${v:="$p"} $v' '2|/etc/|/etc/' 33# whether $p is quoted or not shouldn't really matter 34testcase 'v=; set -- "${v:="$p"}" "$v"' '2|/et[c]/|/et[c]/' 35 36test "x$failures" = x 37