about summary refs log tree commit diff
path: root/src/tools/clippy/tests/ui/ineffective_open_options.fixed
blob: 03b73f99961a6876095f5c696f9a8c2bd4a7024c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
#![warn(clippy::ineffective_open_options)]

use std::fs::OpenOptions;

fn main() {
    let file = OpenOptions::new()
        .create(true)
        
        //~^ ineffective_open_options
        .append(true)
        .open("dump.json")
        .unwrap();

    let file = OpenOptions::new()
        .create(true)
        .append(true)
        
        //~^ ineffective_open_options
        .open("dump.json")
        .unwrap();

    // All the next calls are ok.
    let file = OpenOptions::new()
        .create(true)
        .write(false)
        .append(true)
        .open("dump.json")
        .unwrap();
    let file = OpenOptions::new()
        .create(true)
        .truncate(true)
        .write(true)
        .append(false)
        .open("dump.json")
        .unwrap();
    let file = OpenOptions::new()
        .create(true)
        .truncate(true)
        .write(false)
        .append(false)
        .open("dump.json")
        .unwrap();
    let file = OpenOptions::new().create(true).append(true).open("dump.json").unwrap();
    let file = OpenOptions::new()
        .create(true)
        .truncate(true)
        .write(true)
        .open("dump.json")
        .unwrap();
}