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90 lines
3.6 KiB
Rust
90 lines
3.6 KiB
Rust
// run-rustfix
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// rustfix-only-machine-applicable
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// 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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unreachable!("{}", "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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assert!(false, "{}", 123);
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//~^ WARN panic message is not a string literal
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assert!(false, "{:?}", Some(123));
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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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unreachable!("{}", S); //~ WARN panic message is not a string literal
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unreachable!("{}", S); //~ WARN panic message is not a string literal
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std::panic::panic_any(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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std::panic::panic_any(Some(123)); //~ 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!(); // OK
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fancy_panic::fancy_panic!(S); // OK
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macro_rules! a {
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() => { 123 };
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}
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std::panic::panic_any(a!()); //~ WARN panic message is not a string literal
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unreachable!("{}", a!()); //~ WARN panic message is not a string literal
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panic!("{}", 1); //~ WARN panic message is not a string literal
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unreachable!("{}", 1); //~ WARN panic message is not a string literal
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assert!(false, "{}", 1); //~ WARN panic message is not a string literal
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debug_assert!(false, "{}", 1); //~ WARN panic message is not a string literal
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std::panic::panic_any(123); //~ WARN panic message is not a string literal
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std::panic::panic_any(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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a(1);
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b(1);
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c(1);
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d(1);
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}
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fn a<T: Send + 'static>(v: T) {
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std::panic::panic_any(v); //~ WARN panic message is not a string literal
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assert!(false, v); //~ WARN panic message is not a string literal
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}
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fn b<T: std::fmt::Debug + Send + 'static>(v: T) {
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std::panic::panic_any(v); //~ WARN panic message is not a string literal
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assert!(false, "{:?}", v); //~ WARN panic message is not a string literal
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}
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fn c<T: std::fmt::Display + Send + 'static>(v: T) {
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std::panic::panic_any(v); //~ WARN panic message is not a string literal
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assert!(false, "{}", v); //~ WARN panic message is not a string literal
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}
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fn d<T: std::fmt::Display + std::fmt::Debug + Send + 'static>(v: T) {
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std::panic::panic_any(v); //~ WARN panic message is not a string literal
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assert!(false, "{}", v); //~ WARN panic message is not a string literal
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}
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