# By Stephen Gildea, October 2010. 

proc setup {} {
    save_env
}

proc teardown {} {
    assert_env_unmodified {
        /declare -f fn/d
        /PIPESTATUS=/d
    }
}

setup


set cmd {fn() { printf '%s\n' ""; }; _parse_help fn}
assert_bash_list "" $cmd "empty"
sync_after_int

set cmd {fn() { printf '%s\n' "no dashes here"; }; _parse_help fn}
assert_bash_list "" $cmd "no dashes"
sync_after_int

set cmd {fn() { printf '%s\n' "internal-dash"; }; _parse_help fn}
assert_bash_list "" $cmd "internal dash 1"
sync_after_int

set cmd {fn() { printf '%s\n' "no -leading-dashes"; }; _parse_help fn}
assert_bash_list "" $cmd "no leading dash"
sync_after_int

set cmd {fn() { printf '%s\n' "-one dash"; }; _parse_help fn}
assert_bash_list "-one" $cmd "one dash"
sync_after_int

set cmd {fn() { printf '%s\n' " -space dash"; }; _parse_help fn}
assert_bash_list "-space" $cmd "one dash after space"
sync_after_int

set cmd {fn() { printf '%s\n' "-one -two dashes"; }; _parse_help fn}
assert_bash_list "-one" $cmd "two dashes, space-separated"
sync_after_int

set cmd {fn() { printf '%s\n' "-one,-t dashes"; }; _parse_help fn}
assert_bash_list "-one" $cmd "two dashes, comma-separated"
sync_after_int

set cmd {fn() { printf '%s\n' "-one dash-inside"; }; _parse_help fn}
assert_bash_list "-one" $cmd "internal dash 2"
sync_after_int

set cmd {fn() { printf '%s\n' "--long-arg=value"; }; _parse_help fn}
assert_bash_list "--long-arg=" $cmd "value stripped"
sync_after_int

set cmd {fn() { printf '%s\n' "--long-arg=-value"; }; _parse_help fn}
assert_bash_list "--long-arg=" $cmd "value not seen as option"
sync_after_int

set cmd {fn() { printf '%s\n' "--long-arg=-value,--opt2=val"; }; _parse_help fn}
assert_bash_list "--long-arg=" $cmd "two options with values"
sync_after_int

set cmd {fn() { printf '%s\n' "-m,--mirror"; }; _parse_help fn}
assert_bash_list "--mirror" $cmd "short + long"
sync_after_int

set cmd {fn() { printf '%s\n' "-T/--upload-file"; }; _parse_help fn}
assert_bash_list "--upload-file" $cmd "short + long, slash separated"
sync_after_int

set cmd {fn() { printf '%s\n' "-T|--upload-file"; }; _parse_help fn}
assert_bash_list "--upload-file" $cmd "pipe separated"
sync_after_int

set cmd {fn() { printf '%s\n' "-f, -F, --foo"; }; _parse_help fn}
assert_bash_list "--foo" $cmd "short + short + long"
sync_after_int

set cmd {fn() { printf '%s\n' "--foo[=bar]"; }; _parse_help fn}
assert_bash_list "--foo" $cmd "long with value and eq sign in brackets"
sync_after_int

set cmd {fn() { printf '%s\n' "--foo=<bar>"; }; _parse_help fn}
assert_bash_list "--foo=" $cmd "long with value in angle brackets"
sync_after_int

set cmd {fn() { printf '%s\n' "--foo={bar,quux}"; }; _parse_help fn}
assert_bash_list "--foo=" $cmd "long with value in curly brackets"
sync_after_int

set cmd {fn() { printf '%s\n' "--[no]foo"; }; _parse_help fn}
assert_bash_list "--foo\n--nofoo" $cmd "long with \[no\]"
sync_after_int

set cmd {fn() { printf '%s\n' "--[no-]bar[=quux]"; }; _parse_help fn}
assert_bash_list "--bar\n--no-bar" $cmd "long with \[no-\] + optional arg"
sync_after_int

set cmd {fn() { printf '%s\n' "--[no-]bar=quux"; }; _parse_help fn}
assert_bash_list "--bar=\n--no-bar=" $cmd "long with \[no-\] + required arg"
sync_after_int

set cmd {fn() { printf '%s\n' "--[dont-]foo"; }; _parse_help fn}
assert_bash_list "--foo\n--dont-foo" $cmd "long with \[dont-\]"
sync_after_int

set cmd {fn() { printf '%s\n' "-[dont]x, --[dont]yy"; }; _parse_help fn}
assert_bash_list "--yy\n--dontyy" $cmd "short and long with \[dont\]"
sync_after_int

set cmd {fn() { printf '%s\n' "----\n---foo\n----- bar"; }; _parse_help fn}
assert_bash_list "" $cmd "more than two dashes"
sync_after_int

set cmd {fn() { printf '%s\n' "-f FOO, --foo=FOO"; }; _parse_help fn}
assert_bash_list "--foo=" $cmd "-f FOO, --foo=FOO"
sync_after_int

set cmd {fn() { printf '%s\n' "-f [FOO], --foo[=FOO]"; }; _parse_help fn}
assert_bash_list "--foo" $cmd "-f \[FOO\], --foo\[=FOO\]"
sync_after_int

set cmd {fn() { printf '%s\n' "--foo."; }; _parse_help fn}
assert_bash_list "--foo" $cmd "--foo."
sync_after_int

set cmd {fn() { printf '%s\n' "-f or --foo"; }; _parse_help fn}
assert_bash_list "--foo" $cmd "-f or --foo"
sync_after_int

set cmd { printf '%s\n' "-f or --foo" | _parse_help - }
assert_bash_list "--foo" $cmd "from stdin"
sync_after_int


teardown