rust/tests/coverage/generics.rs

45 lines
955 B
Rust

#![allow(unused_assignments)]
// failure-status: 1
struct Firework<T> where T: Copy + std::fmt::Display {
strength: T,
}
impl<T> Firework<T> where T: Copy + std::fmt::Display {
#[inline(always)]
fn set_strength(&mut self, new_strength: T) {
self.strength = new_strength;
}
}
impl<T> Drop for Firework<T> where T: Copy + std::fmt::Display {
#[inline(always)]
fn drop(&mut self) {
println!("BOOM times {}!!!", self.strength);
}
}
fn main() -> Result<(), u8> {
let mut firecracker = Firework { strength: 1 };
firecracker.set_strength(2);
let mut tnt = Firework { strength: 100.1 };
tnt.set_strength(200.1);
tnt.set_strength(300.3);
if true {
println!("Exiting with error...");
return Err(1);
}
let _ = Firework { strength: 1000 };
Ok(())
}
// Expected program output:
// Exiting with error...
// BOOM times 100!!!
// BOOM times 1!!!
// Error: 1