mirror of
https://github.com/clap-rs/clap
synced 2024-12-16 15:52:44 +00:00
52 lines
1.2 KiB
Rust
52 lines
1.2 KiB
Rust
// Copyright 2018 Guillaume Pinot (@TeXitoi) <texitoi@texitoi.eu>
|
|
//
|
|
// 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.
|
|
|
|
#![deny(warnings)]
|
|
#![cfg(feature = "nightly")] // TODO: remove that when never is stable
|
|
#![feature(never_type)]
|
|
|
|
#[macro_use]
|
|
extern crate structopt;
|
|
|
|
use structopt::StructOpt;
|
|
|
|
fn try_str(s: &str) -> Result<String, !> {
|
|
Ok(s.into())
|
|
}
|
|
|
|
#[test]
|
|
fn warning_never_struct() {
|
|
#[derive(Debug, PartialEq, StructOpt)]
|
|
struct Opt {
|
|
#[structopt(parse(try_from_str = "try_str"))]
|
|
s: String,
|
|
}
|
|
assert_eq!(
|
|
Opt {
|
|
s: "foo".to_string()
|
|
},
|
|
Opt::from_iter(&["test", "foo"])
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn warning_never_enum() {
|
|
#[derive(Debug, PartialEq, StructOpt)]
|
|
enum Opt {
|
|
Foo {
|
|
#[structopt(parse(try_from_str = "try_str"))]
|
|
s: String,
|
|
},
|
|
}
|
|
assert_eq!(
|
|
Opt::Foo {
|
|
s: "foo".to_string()
|
|
},
|
|
Opt::from_iter(&["test", "Foo", "foo"])
|
|
);
|
|
}
|