mirror of
https://github.com/clap-rs/clap
synced 2024-11-15 00:57:15 +00:00
53 lines
1.4 KiB
Rust
53 lines
1.4 KiB
Rust
// Copyright 2018 Guillaume Pinot (@TeXitoi) <texitoi@texitoi.eu>,
|
|
// Kevin Knapp (@kbknapp) <kbknapp@gmail.com>, and
|
|
// Ana Hobden (@hoverbear) <operator@hoverbear.org>
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
|
// option. This file may not be copied, modified, or distributed
|
|
// except according to those terms.
|
|
//
|
|
// This work was derived from Structopt (https://github.com/TeXitoi/structopt)
|
|
// commit#ea76fa1b1b273e65e3b0b1046643715b49bec51f which is licensed under the
|
|
// MIT/Apache 2.0 license.
|
|
|
|
#![deny(warnings)]
|
|
|
|
use clap::Parser;
|
|
|
|
fn try_str(s: &str) -> Result<String, std::convert::Infallible> {
|
|
Ok(s.into())
|
|
}
|
|
|
|
#[test]
|
|
fn warning_never_struct() {
|
|
#[derive(Parser, Debug, PartialEq)]
|
|
struct Opt {
|
|
#[arg(value_parser = try_str, default_value_t)]
|
|
s: String,
|
|
}
|
|
assert_eq!(
|
|
Opt {
|
|
s: "foo".to_string()
|
|
},
|
|
Opt::try_parse_from(&["test", "foo"]).unwrap()
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn warning_never_enum() {
|
|
#[derive(Parser, Debug, PartialEq)]
|
|
enum Opt {
|
|
Foo {
|
|
#[arg(value_parser = try_str, default_value_t)]
|
|
s: String,
|
|
},
|
|
}
|
|
assert_eq!(
|
|
Opt::Foo {
|
|
s: "foo".to_string()
|
|
},
|
|
Opt::try_parse_from(&["test", "foo", "foo"]).unwrap()
|
|
);
|
|
}
|