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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /vendor/clap/src/builder/usage_parser.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/clap/src/builder/usage_parser.rs')
-rw-r--r-- | vendor/clap/src/builder/usage_parser.rs | 1277 |
1 files changed, 1277 insertions, 0 deletions
diff --git a/vendor/clap/src/builder/usage_parser.rs b/vendor/clap/src/builder/usage_parser.rs new file mode 100644 index 000000000..85d0d304e --- /dev/null +++ b/vendor/clap/src/builder/usage_parser.rs @@ -0,0 +1,1277 @@ +#![allow(deprecated)] + +// Internal +use crate::builder::Arg; +use crate::builder::ArgSettings; +use crate::INTERNAL_ERROR_MSG; + +#[derive(PartialEq, Debug)] +enum UsageToken { + Name, + ValName, + Short, + Long, + Help, + Multiple, + Unknown, + Default, +} + +#[derive(Debug)] +pub(crate) struct UsageParser<'help> { + usage: &'help str, + pos: usize, + start: usize, + prev: UsageToken, + explicit_name_set: bool, +} + +impl<'help> UsageParser<'help> { + fn new(usage: &'help str) -> Self { + debug!("new: usage={:?}", usage); + UsageParser { + usage, + pos: 0, + start: 0, + prev: UsageToken::Unknown, + explicit_name_set: false, + } + } + + pub(crate) fn from_usage(usage: &'help str) -> Self { + debug!("UsageParser::from_usage"); + UsageParser::new(usage) + } + + pub(crate) fn parse(mut self) -> Arg<'help> { + debug!("UsageParser::parse"); + let mut arg = Arg::default(); + loop { + debug!("UsageParser::parse:iter: pos={}", self.pos); + self.stop_at(token); + if let Some(&c) = self.usage.as_bytes().get(self.pos) { + match c { + b'-' => self.short_or_long(&mut arg), + b'.' => self.multiple(&mut arg), + b'@' => self.default(&mut arg), + b'\'' => self.help(&mut arg), + _ => self.name(&mut arg), + } + } else { + break; + } + } + + debug!("UsageParser::parse: vals...{:?}", arg.val_names); + arg + } + + fn name(&mut self, arg: &mut Arg<'help>) { + debug!("UsageParser::name"); + if *self + .usage + .as_bytes() + .get(self.pos) + .expect(INTERNAL_ERROR_MSG) + == b'<' + && !self.explicit_name_set + { + arg.settings.set(ArgSettings::Required); + } + self.pos += 1; + self.stop_at(name_end); + let name = &self.usage[self.start..self.pos]; + if self.prev == UsageToken::Unknown { + debug!("UsageParser::name: setting name...{}", name); + arg.id = name.into(); + arg.name = name; + if arg.long.is_none() && arg.short.is_none() { + debug!("name: explicit name set..."); + self.explicit_name_set = true; + self.prev = UsageToken::Name; + } + } else { + debug!("UsageParser::name: setting val name...{}", name); + if arg.val_names.is_empty() { + arg.settings.set(ArgSettings::TakesValue); + } + let len = arg.val_names.len(); + arg.val_names.insert(len, name); + self.prev = UsageToken::ValName; + } + } + + fn stop_at<F>(&mut self, f: F) + where + F: Fn(u8) -> bool, + { + debug!("UsageParser::stop_at"); + self.start = self.pos; + self.pos += self.usage[self.start..] + .bytes() + .take_while(|&b| f(b)) + .count(); + } + + fn short_or_long(&mut self, arg: &mut Arg<'help>) { + debug!("UsageParser::short_or_long"); + self.pos += 1; + if *self + .usage + .as_bytes() + .get(self.pos) + .expect(INTERNAL_ERROR_MSG) + == b'-' + { + self.pos += 1; + self.long(arg); + return; + } + self.short(arg) + } + + fn long(&mut self, arg: &mut Arg<'help>) { + debug!("UsageParser::long"); + self.stop_at(long_end); + let name = &self.usage[self.start..self.pos]; + if !self.explicit_name_set { + debug!("UsageParser::long: setting name...{}", name); + arg.id = name.into(); + arg.name = name; + } + debug!("UsageParser::long: setting long...{}", name); + arg.long = Some(name); + self.prev = UsageToken::Long; + } + + fn short(&mut self, arg: &mut Arg<'help>) { + debug!("UsageParser::short"); + let start = &self.usage[self.pos..]; + let short = start.chars().next().expect(INTERNAL_ERROR_MSG); + debug!("UsageParser::short: setting short...{}", short); + arg.short = Some(short); + if arg.name.is_empty() { + // --long takes precedence but doesn't set self.explicit_name_set + let name = &start[..short.len_utf8()]; + debug!("UsageParser::short: setting name...{}", name); + arg.id = name.into(); + arg.name = name; + } + self.prev = UsageToken::Short; + } + + // "something..." + fn multiple(&mut self, arg: &mut Arg) { + debug!("UsageParser::multiple"); + let mut dot_counter = 1; + let start = self.pos; + let mut bytes = self.usage[start..].bytes(); + while bytes.next() == Some(b'.') { + dot_counter += 1; + self.pos += 1; + if dot_counter == 3 { + debug!("UsageParser::multiple: setting multiple"); + arg.settings.set(ArgSettings::MultipleOccurrences); + if arg.is_takes_value_set() { + arg.settings.set(ArgSettings::MultipleValues); + arg.settings.set(ArgSettings::UseValueDelimiter); + arg.val_delim.get_or_insert(','); + } + self.prev = UsageToken::Multiple; + self.pos += 1; + break; + } + } + } + + fn help(&mut self, arg: &mut Arg<'help>) { + debug!("UsageParser::help"); + self.stop_at(help_start); + self.start = self.pos + 1; + self.pos = self.usage.len() - 1; + debug!( + "UsageParser::help: setting help...{}", + &self.usage[self.start..self.pos] + ); + arg.help = Some(&self.usage[self.start..self.pos]); + self.pos += 1; // Move to next byte to keep from thinking ending ' is a start + self.prev = UsageToken::Help; + } + + fn default(&mut self, arg: &mut Arg<'help>) { + debug!( + "UsageParser::default: from=\"{}\"", + &self.usage[self.pos..self.usage.len()] + ); + self.pos += 1; // Skip @ + self.stop_at(default_value_end); // Find first space after value + debug!( + "UsageParser::default: setting default...\"{}\"", + &self.usage[self.start..self.pos] + ); + arg.settings.set(ArgSettings::TakesValue); + arg.default_vals = vec![std::ffi::OsStr::new(&self.usage[self.start..self.pos])]; + self.prev = UsageToken::Default; + } +} + +#[inline] +fn name_end(b: u8) -> bool { + b != b']' && b != b'>' +} + +#[inline] +fn token(b: u8) -> bool { + b != b'\'' && b != b'.' && b != b'<' && b != b'[' && b != b'-' && b != b'@' +} + +#[inline] +fn long_end(b: u8) -> bool { + b != b'\'' && b != b'.' && b != b'<' && b != b'[' && b != b'=' && b != b' ' +} + +#[inline] +fn help_start(b: u8) -> bool { + b != b'\'' +} + +#[inline] +fn default_value_end(b: u8) -> bool { + b != b' ' +} + +#[cfg(test)] +mod test { + #![allow(deprecated)] + + use crate::builder::{Arg, ArgSettings}; + + #[allow(clippy::cognitive_complexity)] + #[test] + fn create_flag_usage() { + let a = Arg::from_usage("[flag] -f 'some help info'"); + assert_eq!(a.name, "flag"); + assert_eq!(a.short.unwrap(), 'f'); + assert!(a.long.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(a.val_names.is_empty()); + + let a = Arg::from_usage("[flag] --flag 'some help info'"); + assert_eq!(a.name, "flag"); + assert_eq!(a.long.unwrap(), "flag"); + assert!(a.short.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(a.val_names.is_empty()); + + let a = Arg::from_usage("--flag 'some help info'"); + assert_eq!(a.name, "flag"); + assert_eq!(a.long.unwrap(), "flag"); + assert!(a.short.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(a.val_names.is_empty()); + + let a = Arg::from_usage("[flag] -f --flag 'some help info'"); + assert_eq!(a.name, "flag"); + assert_eq!(a.short.unwrap(), 'f'); + assert_eq!(a.long.unwrap(), "flag"); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(a.val_names.is_empty()); + + let a = Arg::from_usage("[flag] -f... 'some help info'"); + assert_eq!(a.name, "flag"); + assert_eq!(a.short.unwrap(), 'f'); + assert!(a.long.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(a.val_names.is_empty()); + + let a = Arg::from_usage("[flag] -f --flag... 'some help info'"); + assert_eq!(a.name, "flag"); + assert_eq!(a.long.unwrap(), "flag"); + assert_eq!(a.short.unwrap(), 'f'); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(a.val_names.is_empty()); + + let a = Arg::from_usage("-f --flag... 'some help info'"); + assert_eq!(a.name, "flag"); + assert_eq!(a.long.unwrap(), "flag"); + assert_eq!(a.short.unwrap(), 'f'); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(a.val_names.is_empty()); + + let a = Arg::from_usage("--flags"); + assert_eq!(a.name, "flags"); + assert_eq!(a.long.unwrap(), "flags"); + assert!(a.val_names.is_empty()); + + let a = Arg::from_usage("--flags..."); + assert_eq!(a.name, "flags"); + assert_eq!(a.long.unwrap(), "flags"); + assert!(a.is_multiple_occurrences_set()); + assert!(a.val_names.is_empty()); + + let a = Arg::from_usage("[flags] -f"); + assert_eq!(a.name, "flags"); + assert_eq!(a.short.unwrap(), 'f'); + assert!(a.val_names.is_empty()); + + let a = Arg::from_usage("[flags] -f..."); + assert_eq!(a.name, "flags"); + assert_eq!(a.short.unwrap(), 'f'); + assert!(a.is_multiple_occurrences_set()); + assert!(a.val_names.is_empty()); + + let a = Arg::from_usage("-f 'some help info'"); + assert_eq!(a.name, "f"); + assert_eq!(a.short.unwrap(), 'f'); + assert!(a.long.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(a.val_names.is_empty()); + + let a = Arg::from_usage("-f"); + assert_eq!(a.name, "f"); + assert_eq!(a.short.unwrap(), 'f'); + assert!(a.val_names.is_empty()); + + let a = Arg::from_usage("-f..."); + assert_eq!(a.name, "f"); + assert_eq!(a.short.unwrap(), 'f'); + assert!(a.is_multiple_occurrences_set()); + assert!(a.val_names.is_empty()); + } + + #[test] + fn create_option_usage0() { + // Short only + let a = Arg::from_usage("[option] -o [opt] 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.short.unwrap(), 'o'); + assert!(a.long.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(!a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage1() { + let a = Arg::from_usage("-o [opt] 'some help info'"); + assert_eq!(a.name, "o"); + assert_eq!(a.short.unwrap(), 'o'); + assert!(a.long.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(!a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage2() { + let a = Arg::from_usage("<option> -o <opt> 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.short.unwrap(), 'o'); + assert!(a.long.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage3() { + let a = Arg::from_usage("-o <opt> 'some help info'"); + assert_eq!(a.name, "o"); + assert_eq!(a.short.unwrap(), 'o'); + assert!(a.long.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage4() { + let a = Arg::from_usage("[option] -o [opt]... 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.short.unwrap(), 'o'); + assert!(a.long.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(!a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage5() { + let a = Arg::from_usage("[option]... -o [opt] 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.short.unwrap(), 'o'); + assert!(a.long.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(!a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage6() { + let a = Arg::from_usage("-o [opt]... 'some help info'"); + assert_eq!(a.name, "o"); + assert_eq!(a.short.unwrap(), 'o'); + assert!(a.long.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(!a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage7() { + let a = Arg::from_usage("<option> -o <opt>... 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.short.unwrap(), 'o'); + assert!(a.long.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage8() { + let a = Arg::from_usage("<option>... -o <opt> 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.short.unwrap(), 'o'); + assert!(a.long.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage9() { + let a = Arg::from_usage("-o <opt>... 'some help info'"); + assert_eq!(a.name, "o"); + assert_eq!(a.short.unwrap(), 'o'); + assert!(a.long.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage_long1() { + let a = Arg::from_usage("[option] --opt [opt] 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.long.unwrap(), "opt"); + assert!(a.short.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(!a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage_long2() { + let a = Arg::from_usage("--opt [option] 'some help info'"); + assert_eq!(a.name, "opt"); + assert_eq!(a.long.unwrap(), "opt"); + assert!(a.short.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(!a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"option"]); + } + + #[test] + fn create_option_usage_long3() { + let a = Arg::from_usage("<option> --opt <opt> 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.long.unwrap(), "opt"); + assert!(a.short.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage_long4() { + let a = Arg::from_usage("--opt <option> 'some help info'"); + assert_eq!(a.name, "opt"); + assert_eq!(a.long.unwrap(), "opt"); + assert!(a.short.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"option"]); + } + + #[test] + fn create_option_usage_long5() { + let a = Arg::from_usage("[option] --opt [opt]... 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.long.unwrap(), "opt"); + assert!(a.short.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(!a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage_long6() { + let a = Arg::from_usage("[option]... --opt [opt] 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.long.unwrap(), "opt"); + assert!(a.short.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(!a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage_long7() { + let a = Arg::from_usage("--opt [option]... 'some help info'"); + assert_eq!(a.name, "opt"); + assert_eq!(a.long.unwrap(), "opt"); + assert!(a.short.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(!a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"option"]); + } + + #[test] + fn create_option_usage_long8() { + let a = Arg::from_usage("<option> --opt <opt>... 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.long.unwrap(), "opt"); + assert!(a.short.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage_long9() { + let a = Arg::from_usage("<option>... --opt <opt> 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.long.unwrap(), "opt"); + assert!(a.short.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage_long10() { + let a = Arg::from_usage("--opt <option>... 'some help info'"); + assert_eq!(a.name, "opt"); + assert_eq!(a.long.unwrap(), "opt"); + assert!(a.short.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"option"]); + } + + #[test] + fn create_option_usage_long_equals1() { + let a = Arg::from_usage("[option] --opt=[opt] 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.long.unwrap(), "opt"); + assert!(a.short.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(!a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage_long_equals2() { + let a = Arg::from_usage("--opt=[option] 'some help info'"); + assert_eq!(a.name, "opt"); + assert_eq!(a.long.unwrap(), "opt"); + assert!(a.short.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(!a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"option"]); + } + + #[test] + fn create_option_usage_long_equals3() { + let a = Arg::from_usage("<option> --opt=<opt> 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.long.unwrap(), "opt"); + assert!(a.short.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage_long_equals4() { + let a = Arg::from_usage("--opt=<option> 'some help info'"); + assert_eq!(a.name, "opt"); + assert_eq!(a.long.unwrap(), "opt"); + assert!(a.short.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"option"]); + } + + #[test] + fn create_option_usage_long_equals5() { + let a = Arg::from_usage("[option] --opt=[opt]... 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.long.unwrap(), "opt"); + assert!(a.short.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(!a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage_long_equals6() { + let a = Arg::from_usage("[option]... --opt=[opt] 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.long.unwrap(), "opt"); + assert!(a.short.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(!a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage_long_equals7() { + let a = Arg::from_usage("--opt=[option]... 'some help info'"); + assert_eq!(a.name, "opt"); + assert_eq!(a.long.unwrap(), "opt"); + assert!(a.short.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(!a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"option"]); + } + + #[test] + fn create_option_usage_long_equals8() { + let a = Arg::from_usage("<option> --opt=<opt>... 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.long.unwrap(), "opt"); + assert!(a.short.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage_long_equals9() { + let a = Arg::from_usage("<option>... --opt=<opt> 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.long.unwrap(), "opt"); + assert!(a.short.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage_long_equals10() { + let a = Arg::from_usage("--opt=<option>... 'some help info'"); + assert_eq!(a.name, "opt"); + assert_eq!(a.long.unwrap(), "opt"); + assert!(a.short.is_none()); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"option"]); + } + + #[test] + fn create_option_usage_both1() { + let a = Arg::from_usage("[option] -o --opt [option] 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.long.unwrap(), "opt"); + assert_eq!(a.short.unwrap(), 'o'); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(!a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"option"]); + } + + #[test] + fn create_option_usage_both2() { + let a = Arg::from_usage("-o --opt [option] 'some help info'"); + assert_eq!(a.name, "opt"); + assert_eq!(a.long.unwrap(), "opt"); + assert_eq!(a.short.unwrap(), 'o'); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(!a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"option"]); + } + + #[test] + fn create_option_usage_both3() { + let a = Arg::from_usage("<option> -o --opt <opt> 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.long.unwrap(), "opt"); + assert_eq!(a.short.unwrap(), 'o'); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage_both4() { + let a = Arg::from_usage("-o --opt <option> 'some help info'"); + assert_eq!(a.name, "opt"); + assert_eq!(a.long.unwrap(), "opt"); + assert_eq!(a.short.unwrap(), 'o'); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"option"]); + } + + #[test] + fn create_option_usage_both5() { + let a = Arg::from_usage("[option]... -o --opt [option] 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.long.unwrap(), "opt"); + assert_eq!(a.short.unwrap(), 'o'); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(!a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"option"]); + } + + #[test] + fn create_option_usage_both6() { + let a = Arg::from_usage("-o --opt [option]... 'some help info'"); + assert_eq!(a.name, "opt"); + assert_eq!(a.long.unwrap(), "opt"); + assert_eq!(a.short.unwrap(), 'o'); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(!a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"option"]); + } + + #[test] + fn create_option_usage_both7() { + let a = Arg::from_usage("<option>... -o --opt <opt> 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.long.unwrap(), "opt"); + assert_eq!(a.short.unwrap(), 'o'); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage_both8() { + let a = Arg::from_usage("-o --opt <option>... 'some help info'"); + assert_eq!(a.name, "opt"); + assert_eq!(a.long.unwrap(), "opt"); + assert_eq!(a.short.unwrap(), 'o'); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"option"]); + } + + #[test] + fn create_option_usage_both_equals1() { + let a = Arg::from_usage("[option] -o --opt=[option] 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.long.unwrap(), "opt"); + assert_eq!(a.short.unwrap(), 'o'); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(!a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"option"]); + } + + #[test] + fn create_option_usage_both_equals2() { + let a = Arg::from_usage("-o --opt=[option] 'some help info'"); + assert_eq!(a.name, "opt"); + assert_eq!(a.long.unwrap(), "opt"); + assert_eq!(a.short.unwrap(), 'o'); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(!a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"option"]); + } + + #[test] + fn create_option_usage_both_equals3() { + let a = Arg::from_usage("<option> -o --opt=<opt> 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.long.unwrap(), "opt"); + assert_eq!(a.short.unwrap(), 'o'); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage_both_equals4() { + let a = Arg::from_usage("-o --opt=<option> 'some help info'"); + assert_eq!(a.name, "opt"); + assert_eq!(a.long.unwrap(), "opt"); + assert_eq!(a.short.unwrap(), 'o'); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"option"]); + } + + #[test] + fn create_option_usage_both_equals5() { + let a = Arg::from_usage("[option]... -o --opt=[option] 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.long.unwrap(), "opt"); + assert_eq!(a.short.unwrap(), 'o'); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(!a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"option"]); + } + + #[test] + fn create_option_usage_both_equals6() { + let a = Arg::from_usage("-o --opt=[option]... 'some help info'"); + assert_eq!(a.name, "opt"); + assert_eq!(a.long.unwrap(), "opt"); + assert_eq!(a.short.unwrap(), 'o'); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(!a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"option"]); + } + + #[test] + fn create_option_usage_both_equals7() { + let a = Arg::from_usage("<option>... -o --opt=<opt> 'some help info'"); + assert_eq!(a.name, "option"); + assert_eq!(a.long.unwrap(), "opt"); + assert_eq!(a.short.unwrap(), 'o'); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"opt"]); + } + + #[test] + fn create_option_usage_both_equals8() { + let a = Arg::from_usage("-o --opt=<option>... 'some help info'"); + assert_eq!(a.name, "opt"); + assert_eq!(a.long.unwrap(), "opt"); + assert_eq!(a.short.unwrap(), 'o'); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"option"]); + } + + #[test] + fn create_option_with_vals1() { + let a = Arg::from_usage("-o <file> <mode> 'some help info'"); + assert_eq!(a.name, "o"); + assert!(a.long.is_none()); + assert_eq!(a.short.unwrap(), 'o'); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"file", &"mode"]); + } + + #[test] + fn create_option_with_vals2() { + let a = Arg::from_usage("-o <file> <mode>... 'some help info'"); + assert_eq!(a.name, "o"); + assert!(a.long.is_none()); + assert_eq!(a.short.unwrap(), 'o'); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"file", &"mode"]); + } + + #[test] + fn create_option_with_vals3() { + let a = Arg::from_usage("--opt <file> <mode>... 'some help info'"); + assert_eq!(a.name, "opt"); + assert!(a.short.is_none()); + assert_eq!(a.long.unwrap(), "opt"); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"file", &"mode"]); + } + + #[test] + fn create_option_with_vals4() { + let a = Arg::from_usage("[myopt] --opt <file> <mode> 'some help info'"); + assert_eq!(a.name, "myopt"); + assert!(a.short.is_none()); + assert_eq!(a.long.unwrap(), "opt"); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(!a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"file", &"mode"]); + } + + #[test] + fn create_option_with_vals5() { + let a = Arg::from_usage("--opt <file> <mode> 'some help info'"); + assert_eq!(a.name, "opt"); + assert!(a.short.is_none()); + assert_eq!(a.long.unwrap(), "opt"); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + } + + #[test] + fn create_positional_usage() { + let a = Arg::from_usage("[pos] 'some help info'"); + assert_eq!(a.name, "pos"); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(!a.is_required_set()); + assert!(a.val_names.is_empty()); + } + + #[test] + fn create_positional_usage0() { + let a = Arg::from_usage("<pos> 'some help info'"); + assert_eq!(a.name, "pos"); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_required_set()); + assert!(a.val_names.is_empty()); + } + + #[test] + fn pos_mult_help() { + let a = Arg::from_usage("[pos]... 'some help info'"); + assert_eq!(a.name, "pos"); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(!a.is_required_set()); + assert!(a.val_names.is_empty()); + } + + #[test] + fn pos_help_lit_single_quote() { + let a = Arg::from_usage("[pos]... 'some help\' info'"); + assert_eq!(a.name, "pos"); + assert_eq!(a.help.unwrap(), "some help' info"); + assert!(a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(!a.is_required_set()); + assert!(a.val_names.is_empty()); + } + + #[test] + fn pos_help_double_lit_single_quote() { + let a = Arg::from_usage("[pos]... 'some \'help\' info'"); + assert_eq!(a.name, "pos"); + assert_eq!(a.help.unwrap(), "some 'help' info"); + assert!(a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(!a.is_required_set()); + assert!(a.val_names.is_empty()); + } + + #[test] + fn pos_help_newline() { + let a = Arg::from_usage( + "[pos]... 'some help{n}\ + info'", + ); + assert_eq!(a.name, "pos"); + assert_eq!(a.help.unwrap(), "some help{n}info"); + assert!(a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(!a.is_required_set()); + assert!(a.val_names.is_empty()); + } + + #[test] + fn pos_help_newline_lit_sq() { + let a = Arg::from_usage( + "[pos]... 'some help\' stuff{n}\ + info'", + ); + assert_eq!(a.name, "pos"); + assert_eq!(a.help.unwrap(), "some help' stuff{n}info"); + assert!(a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(!a.is_required_set()); + assert!(a.val_names.is_empty()); + } + + #[test] + fn pos_req_mult_help() { + let a = Arg::from_usage("<pos>... 'some help info'"); + assert_eq!(a.name, "pos"); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_required_set()); + assert!(a.val_names.is_empty()); + } + + #[test] + fn pos_req() { + let a = Arg::from_usage("<pos>"); + assert_eq!(a.name, "pos"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_required_set()); + assert!(a.val_names.is_empty()); + } + + #[test] + fn pos_mult() { + let a = Arg::from_usage("[pos]..."); + assert_eq!(a.name, "pos"); + assert!(a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(!a.is_required_set()); + assert!(a.val_names.is_empty()); + } + + #[test] + fn pos_req_mult_def_help() { + let a = Arg::from_usage("<pos>... @a 'some help info'"); + assert_eq!(a.name, "pos"); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_required_set()); + assert!(a.val_names.is_empty()); + assert_eq!(a.default_vals, vec![std::ffi::OsStr::new("a")]); + } + + #[test] + fn create_option_with_vals1_def() { + let a = Arg::from_usage("-o <file> <mode> @a 'some help info'"); + assert_eq!(a.name, "o"); + assert!(a.long.is_none()); + assert_eq!(a.short.unwrap(), 'o'); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"file", &"mode"]); + assert_eq!(a.default_vals, vec![std::ffi::OsStr::new("a")]); + } + + #[test] + fn create_option_with_vals4_def() { + let a = Arg::from_usage("[myopt] --opt <file> <mode> @a 'some help info'"); + assert_eq!(a.name, "myopt"); + assert!(a.short.is_none()); + assert_eq!(a.long.unwrap(), "opt"); + assert_eq!(a.help.unwrap(), "some help info"); + assert!(!a.is_multiple_occurrences_set()); + assert!(!a.is_multiple_values_set()); + assert!(a.is_takes_value_set()); + assert!(!a.is_required_set()); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"file", &"mode"]); + assert_eq!(a.default_vals, vec![std::ffi::OsStr::new("a")]); + } + + #[test] + fn nonascii() { + let a = Arg::from_usage("<ASCII> 'üñíčöĐ€'"); + assert_eq!(a.name, "ASCII"); + assert_eq!(a.help, Some("üñíčöĐ€")); + let a = Arg::from_usage("<üñíčöĐ€> 'ASCII'"); + assert_eq!(a.name, "üñíčöĐ€"); + assert_eq!(a.help, Some("ASCII")); + let a = Arg::from_usage("<üñíčöĐ€> 'üñíčöĐ€'"); + assert_eq!(a.name, "üñíčöĐ€"); + assert_eq!(a.help, Some("üñíčöĐ€")); + let a = Arg::from_usage("-ø 'ø'"); + assert_eq!(a.name, "ø"); + assert_eq!(a.short, Some('ø')); + assert_eq!(a.help, Some("ø")); + let a = Arg::from_usage("--üñíčöĐ€ 'Nōṫ ASCII'"); + assert_eq!(a.name, "üñíčöĐ€"); + assert_eq!(a.long, Some("üñíčöĐ€")); + assert_eq!(a.help, Some("Nōṫ ASCII")); + let a = Arg::from_usage("[ñämê] --ôpt=[üñíčöĐ€] 'hælp'"); + assert_eq!(a.name, "ñämê"); + assert_eq!(a.long, Some("ôpt")); + assert_eq!(a.val_names.iter().collect::<Vec<_>>(), [&"üñíčöĐ€"]); + assert_eq!(a.help, Some("hælp")); + } + + #[test] + fn value_names_building_num_vals_from_usage() { + use crate::Command; + let m = Command::new("test") + .arg(Arg::from_usage("--pos <who> <what> <why>")) + .try_get_matches_from(vec!["myprog", "--pos", "val1", "val2", "val3"]); + + assert!(m.is_ok(), "{:?}", m.unwrap_err().kind()); + let m = m.unwrap(); + + assert_eq!( + m.values_of("pos").unwrap().collect::<Vec<_>>(), + ["val1", "val2", "val3"] + ); + } + + #[test] + fn issue_665() { + use crate::{error::ErrorKind, Command}; + // Verify fix for "arg_from_usage(): required values not being enforced when followed by another option" + let res = Command::new("tester") + .arg(Arg::from_usage("-v, --reroll-count=[N] 'Mark the patch series as PATCH vN'")) + .arg( + Arg::from_usage("--subject-prefix [Subject-Prefix] 'Use [Subject-Prefix] instead of the standard [PATCH] prefix'") + .setting(ArgSettings::ForbidEmptyValues) + ) + .try_get_matches_from(vec!["test", "--subject-prefix", "-v", "2"]); + + assert!(res.is_err()); + assert_eq!(res.unwrap_err().kind(), ErrorKind::EmptyValue); + } +} |