]> git.lizzy.rs Git - rust.git/blob - tests/ui/open_options.rs
Merge branch 'master' into rustfmt_tests
[rust.git] / tests / ui / open_options.rs
1 // Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution.
3 //
4 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
5 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
6 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
7 // option. This file may not be copied, modified, or distributed
8 // except according to those terms.
9
10 use std::fs::OpenOptions;
11
12 #[allow(unused_must_use)]
13 #[warn(clippy::nonsensical_open_options)]
14 fn main() {
15     OpenOptions::new().read(true).truncate(true).open("foo.txt");
16     OpenOptions::new().append(true).truncate(true).open("foo.txt");
17
18     OpenOptions::new().read(true).read(false).open("foo.txt");
19     OpenOptions::new().create(true).create(false).open("foo.txt");
20     OpenOptions::new().write(true).write(false).open("foo.txt");
21     OpenOptions::new().append(true).append(false).open("foo.txt");
22     OpenOptions::new().truncate(true).truncate(false).open("foo.txt");
23 }