//@ compile-flags: --test // ignore-tidy-linelength //@ run-pass #![feature(core_intrinsics, generic_assert)] use std::fmt::{Debug, Formatter}; #[derive(Clone, Copy, PartialEq)] struct CopyDebug(i32); impl Debug for CopyDebug { fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), std::fmt::Error> { f.write_str("With great power comes great electricity bills") } } #[should_panic(expected = "Assertion failed: copy_debug == CopyDebug(3)\nWith captures:\n copy_debug = With great power comes great electricity bills\n")] #[test] fn test() { let copy_debug = CopyDebug(1); assert!(copy_debug == CopyDebug(3)); } fn main() { }