rust/tests/coverage/simple_match.rs

44 lines
854 B
Rust

#![allow(unused_assignments, unused_variables)]
fn main() {
// Initialize test constants in a way that cannot be determined at compile time, to ensure
// rustc and LLVM cannot optimize out statements (or coverage counters) downstream from
// dependent conditions.
let is_true = std::env::args().len() == 1;
let mut countdown = 1;
if is_true {
countdown = 0;
}
for
_
in
0..2
{
let z
;
match
countdown
{
x
if
x
<
1
=>
{
z = countdown
;
let y = countdown
;
countdown = 10
;
}
_
=>
{}
}
}
}