test "only bare"
    "_ beer" = (getopts beer)
end

test "bare and bare"
    "_ bar" "_ beer" = (getopts bar beer)
end

test "bare first"
    "foo" "_ beer" = (getopts beer --foo)
end

test "bare sequence"
    "_ foo" "_ bar" "_ baz" "_ quux" = (getopts foo bar baz quux)
end

test "bare does not end opts"
    "a" "b 42" "_ beer" "foo" "bar" = (getopts -ab42 beer --foo --bar)
end

test "only single"
    "f" "o" "o 42" = (getopts -foo42)
end

test "single and single"
    "a" "b" "c" "x" "y" "z" = (getopts -abc -xyz)
end

test "single and bare"
    "a" "b" "c bar" = (getopts -abc bar)
end

test "single and value"
    "a bar" = (getopts -a bar)
end

test "single w/ value and bare"
    "a" "b" "c ./" "_ bar" = (getopts -abc./ bar)
end

test "single and double"
    "a" "b" "c" "foo" = (getopts -abc --foo)
end

test "double"
    "foo" = (getopts --foo)
end

test "double w/ value"
    "foo bar" = (getopts --foo=bar)
end

test "double w/ negated value"
    "foo bar !" = (getopts --foo!=bar)
end

test "double w/ value group"
    "foo bar" "bar foo" = (getopts --foo=bar --bar=foo)
end

test "double w/ value and bare"
    "foo bar" "_ beer" = (getopts --foo=bar beer)
end

test "double double"
    "foo" "bar" = (getopts --foo --bar)
end

test "double w/ inner dashes"
    "foo-bar-baz" = (getopts --foo-bar-baz)
end

test "double and single"
    "foo" "a" "b" "c" = (getopts --foo -abc)
end

test "multiple double sequence"
    "foo" "bar" "secret 42" "_ baz" = (getopts  --foo --bar --secret=42 baz)
end

test "single double single w/ remaining bares"
    "f" "o" "o" "bar" "b" "a" "r norf" "_ baz" "_ quux" = (
    getopts -foo --bar -bar norf baz quux)
end

test "double dash"
    "_ --foo" "_ bar" = (getopts -- --foo bar)
end

test "single double dash"
    "a" "_ --foo" "_ bar" = (getopts -a -- --foo bar)
end

test "bare and double dash"
    "foo bar" "_ baz" "_ foo" "_ --foo" = (getopts --foo=bar baz -- foo --foo)
end

test "long string as a value"
    "f Fee fi fo fum" = (getopts -f "Fee fi fo fum")
end

test "single and empty string"
    "f" = (getopts -f "")
end

test "double and empty string"
    "foo" = (getopts --foo "")
end

test "ignore repeated options"
    "x" = (getopts -xxx | xargs)
end