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# $FreeBSD: releng/12.1/bin/sh/tests/expansion/plus-minus1.0 216738 2010-12-27 15:57:41Z emaste $
e= q='?' a='*' t=texttext s='ast*que?non' p='/et[c]/' w='a b c' b='{{(#)}}'
h='##'
failures=''
ok=''
testcase() {
code="$1"
expected="$2"
oIFS="$IFS"
eval "$code"
IFS='|'
result="$#|$*"
IFS="$oIFS"
if [ "x$result" = "x$expected" ]; then
ok=x$ok
else
failures=x$failures
echo "For $code, expected $expected actual $result"
fi
}
testcase 'set -- a b' '2|a|b'
testcase 'set --' '0|'
testcase 'set -- ${e}' '0|'
testcase 'set -- "${e}"' '1|'
testcase 'set -- $p' '1|/etc/'
testcase 'set -- "$p"' '1|/et[c]/'
testcase 'set -- ${s+$p}' '1|/etc/'
testcase 'set -- "${s+$p}"' '1|/et[c]/'
testcase 'set -- ${s+"$p"}' '1|/et[c]/'
# Dquotes in dquotes is undefined for Bourne shell operators
#testcase 'set -- "${s+"$p"}"' '1|/et[c]/'
testcase 'set -- ${e:-$p}' '1|/etc/'
testcase 'set -- "${e:-$p}"' '1|/et[c]/'
testcase 'set -- ${e:-"$p"}' '1|/et[c]/'
# Dquotes in dquotes is undefined for Bourne shell operators
#testcase 'set -- "${e:-"$p"}"' '1|/et[c]/'
testcase 'set -- ${e:+"$e"}' '0|'
testcase 'set -- ${e:+$w"$e"}' '0|'
testcase 'set -- ${w:+"$w"}' '1|a b c'
testcase 'set -- ${w:+$w"$w"}' '3|a|b|ca b c'
testcase 'set -- "${s+a b}"' '1|a b'
testcase 'set -- "${e:-a b}"' '1|a b'
testcase 'set -- ${e:-\}}' '1|}'
testcase 'set -- ${e:+{}}' '1|}'
testcase 'set -- "${e:+{}}"' '1|}'
testcase 'set -- ${e+x}${e+x}' '1|xx'
testcase 'set -- "${e+x}"${e+x}' '1|xx'
testcase 'set -- ${e+x}"${e+x}"' '1|xx'
testcase 'set -- "${e+x}${e+x}"' '1|xx'
testcase 'set -- "${e+x}""${e+x}"' '1|xx'
testcase 'set -- ${e:-${e:-$p}}' '1|/etc/'
testcase 'set -- "${e:-${e:-$p}}"' '1|/et[c]/'
testcase 'set -- ${e:-"${e:-$p}"}' '1|/et[c]/'
testcase 'set -- ${e:-${e:-"$p"}}' '1|/et[c]/'
testcase 'set -- ${e:-${e:-${e:-$w}}}' '3|a|b|c'
testcase 'set -- ${e:-${e:-${e:-"$w"}}}' '1|a b c'
testcase 'set -- ${e:-${e:-"${e:-$w}"}}' '1|a b c'
testcase 'set -- ${e:-"${e:-${e:-$w}}"}' '1|a b c'
testcase 'set -- "${e:-${e:-${e:-$w}}}"' '1|a b c'
testcase 'shift $#; set -- ${1+"$@"}' '0|'
testcase 'set -- ""; set -- ${1+"$@"}' '1|'
testcase 'set -- "" a; set -- ${1+"$@"}' '2||a'
testcase 'set -- a ""; set -- ${1+"$@"}' '2|a|'
testcase 'set -- a b; set -- ${1+"$@"}' '2|a|b'
testcase 'set -- a\ b; set -- ${1+"$@"}' '1|a b'
testcase 'set -- " " ""; set -- ${1+"$@"}' '2| |'
test "x$failures" = x
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