use std::path::{Path, PathBuf}; use ui_test::{check_annotations, Comments, Config, Error, Mode, OutputConflictHandling}; fn config() -> Config { Config { args: vec![], target: None, stderr_filters: vec![], stdout_filters: vec![], root_dir: PathBuf::from("."), mode: Mode::Fail, program: PathBuf::from("cake"), output_conflict_handling: OutputConflictHandling::Error, } } #[test] fn issue_2156() { let s = r" use std::mem; fn main() { let _x: &i32 = unsafe { mem::transmute(16usize) }; //~ ERROR encountered a dangling reference (address $HEX is unallocated) } "; let comments = Comments::parse(Path::new(""), s); let mut errors = vec![]; let config = config(); let unnormalized_stderr = r" error: Undefined Behavior: type validation failed: encountered a dangling reference (address 0x10 is unallocated) --> tests/compile-fail/validity/dangling_ref1.rs:6:29 | LL | let _x: &i32 = unsafe { mem::transmute(16usize) }; //~ ERROR encountered a dangling reference (address $HEX is unallocated) | ^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a dangling reference (address 0x10 is unallocated) | = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information = note: inside `main` at tests/compile-fail/validity/dangling_ref1.rs:6:29 note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace error: aborting due to previous error "; check_annotations(unnormalized_stderr.as_bytes(), &mut errors, &config, "", &comments); match &errors[..] { [Error::PatternNotFound { .. }] => {} _ => panic!("{:#?}", errors), } }