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fc512014 XL |
1 | // build-pass (FIXME(62277): should be check-pass) |
2 | // aux-build:fancy-panic.rs | |
3 | ||
4 | extern crate fancy_panic; | |
5 | ||
6 | const C: &str = "abc {}"; | |
7 | static S: &str = "{bla}"; | |
8 | ||
9 | #[allow(unreachable_code)] | |
10 | fn main() { | |
11 | panic!("here's a brace: {"); //~ WARN panic message contains a brace | |
12 | std::panic!("another one: }"); //~ WARN panic message contains a brace | |
13 | core::panic!("Hello {}"); //~ WARN panic message contains an unused formatting placeholder | |
14 | assert!(false, "{:03x} {test} bla"); | |
15 | //~^ WARN panic message contains unused formatting placeholders | |
5869c6ff XL |
16 | assert!(false, S); |
17 | //~^ WARN panic message is not a string literal | |
fc512014 | 18 | debug_assert!(false, "{{}} bla"); //~ WARN panic message contains braces |
5869c6ff XL |
19 | panic!(C); //~ WARN panic message is not a string literal |
20 | panic!(S); //~ WARN panic message is not a string literal | |
21 | std::panic!(123); //~ WARN panic message is not a string literal | |
22 | core::panic!(&*"abc"); //~ WARN panic message is not a string literal | |
fc512014 XL |
23 | panic!(concat!("{", "}")); //~ WARN panic message contains an unused formatting placeholder |
24 | panic!(concat!("{", "{")); //~ WARN panic message contains braces | |
25 | ||
26 | fancy_panic::fancy_panic!("test {} 123"); | |
27 | //~^ WARN panic message contains an unused formatting placeholder | |
28 | ||
5869c6ff XL |
29 | fancy_panic::fancy_panic!(S); |
30 | //~^ WARN panic message is not a string literal | |
31 | ||
6a06907d XL |
32 | macro_rules! a { |
33 | () => { 123 }; | |
34 | } | |
35 | ||
36 | panic!(a!()); //~ WARN panic message is not a string literal | |
37 | ||
38 | panic!(format!("{}", 1)); //~ WARN panic message is not a string literal | |
39 | ||
40 | panic![123]; //~ WARN panic message is not a string literal | |
41 | panic!{123}; //~ WARN panic message is not a string literal | |
42 | ||
fc512014 XL |
43 | // Check that the lint only triggers for std::panic and core::panic, |
44 | // not any panic macro: | |
45 | macro_rules! panic { | |
46 | ($e:expr) => (); | |
47 | } | |
48 | panic!("{}"); // OK | |
5869c6ff | 49 | panic!(S); // OK |
fc512014 | 50 | } |