51 lines
1.8 KiB
Rust
51 lines
1.8 KiB
Rust
// build-pass (FIXME(62277): should be check-pass)
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// aux-build:fancy-panic.rs
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extern crate fancy_panic;
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const C: &str = "abc {}";
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static S: &str = "{bla}";
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#[allow(unreachable_code)]
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fn main() {
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panic!("here's a brace: {"); //~ WARN panic message contains a brace
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std::panic!("another one: }"); //~ WARN panic message contains a brace
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core::panic!("Hello {}"); //~ WARN panic message contains an unused formatting placeholder
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assert!(false, "{:03x} {test} bla");
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//~^ WARN panic message contains unused formatting placeholders
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assert!(false, S);
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//~^ WARN panic message is not a string literal
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debug_assert!(false, "{{}} bla"); //~ WARN panic message contains braces
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panic!(C); //~ WARN panic message is not a string literal
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panic!(S); //~ WARN panic message is not a string literal
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std::panic!(123); //~ WARN panic message is not a string literal
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core::panic!(&*"abc"); //~ WARN panic message is not a string literal
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panic!(concat!("{", "}")); //~ WARN panic message contains an unused formatting placeholder
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panic!(concat!("{", "{")); //~ WARN panic message contains braces
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fancy_panic::fancy_panic!("test {} 123");
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//~^ WARN panic message contains an unused formatting placeholder
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fancy_panic::fancy_panic!(S);
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//~^ WARN panic message is not a string literal
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macro_rules! a {
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() => { 123 };
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}
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panic!(a!()); //~ WARN panic message is not a string literal
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panic!(format!("{}", 1)); //~ WARN panic message is not a string literal
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panic![123]; //~ WARN panic message is not a string literal
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panic!{123}; //~ WARN panic message is not a string literal
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// Check that the lint only triggers for std::panic and core::panic,
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// not any panic macro:
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macro_rules! panic {
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($e:expr) => ();
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}
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panic!("{}"); // OK
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panic!(S); // OK
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}
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