3 use std::fs::OpenOptions;
5 #[allow(unused_must_use)]
6 #[deny(nonsensical_open_options)]
8 OpenOptions::new().read(true).truncate(true).open("foo.txt"); //~ERROR file opened with "truncate" and "read"
9 OpenOptions::new().append(true).truncate(true).open("foo.txt"); //~ERROR file opened with "append" and "truncate"
11 OpenOptions::new().read(true).read(false).open("foo.txt"); //~ERROR the method "read" is called more than once
12 OpenOptions::new().create(true).create(false).open("foo.txt"); //~ERROR the method "create" is called more than once
13 OpenOptions::new().write(true).write(false).open("foo.txt"); //~ERROR the method "write" is called more than once
14 OpenOptions::new().append(true).append(false).open("foo.txt"); //~ERROR the method "append" is called more than once
15 OpenOptions::new().truncate(true).truncate(false).open("foo.txt"); //~ERROR the method "truncate" is called more than once