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Diffstat (limited to 'structopt/tests/deny-warnings.rs')
-rw-r--r-- | structopt/tests/deny-warnings.rs | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/structopt/tests/deny-warnings.rs b/structopt/tests/deny-warnings.rs new file mode 100644 index 0000000..721204a --- /dev/null +++ b/structopt/tests/deny-warnings.rs @@ -0,0 +1,47 @@ +// 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)] + +use structopt::StructOpt; + +fn try_str(s: &str) -> Result<String, std::convert::Infallible> { + 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"]) + ); +} |