2 // rustfix-only-machine-applicable
3 // build-pass (FIXME(62277): should be check-pass)
4 // aux-build:fancy-panic.rs
6 extern crate fancy_panic;
8 const C: &str = "abc {}";
9 static S: &str = "{bla}";
11 #[allow(unreachable_code)]
13 panic!("{}", "here's a brace: {"); //~ WARN panic message contains a brace
14 std::panic!("{}", "another one: }"); //~ WARN panic message contains a brace
15 core::panic!("{}", "Hello {}"); //~ WARN panic message contains an unused formatting placeholder
16 assert!(false, "{}", "{:03x} {test} bla");
17 //~^ WARN panic message contains unused formatting placeholders
18 assert!(false, "{}", S);
19 //~^ WARN panic message is not a string literal
20 debug_assert!(false, "{}", "{{}} bla"); //~ WARN panic message contains braces
21 panic!("{}", C); //~ WARN panic message is not a string literal
22 panic!("{}", S); //~ WARN panic message is not a string literal
23 std::panic::panic_any(123); //~ WARN panic message is not a string literal
24 core::panic!("{}", &*"abc"); //~ WARN panic message is not a string literal
25 panic!("{}", concat!("{", "}")); //~ WARN panic message contains an unused formatting placeholder
26 panic!("{}", concat!("{", "{")); //~ WARN panic message contains braces
28 fancy_panic::fancy_panic!("test {} 123");
29 //~^ WARN panic message contains an unused formatting placeholder
31 fancy_panic::fancy_panic!(); // OK
32 fancy_panic::fancy_panic!(S); // OK
38 std::panic::panic_any(a!()); //~ WARN panic message is not a string literal
40 panic!("{}", 1); //~ WARN panic message is not a string literal
41 assert!(false, "{}", 1); //~ WARN panic message is not a string literal
42 debug_assert!(false, "{}", 1); //~ WARN panic message is not a string literal
44 std::panic::panic_any(123); //~ WARN panic message is not a string literal
45 std::panic::panic_any(123); //~ WARN panic message is not a string literal
47 // Check that the lint only triggers for std::panic and core::panic,
48 // not any panic macro: