67 lines
1.5 KiB
Rust
67 lines
1.5 KiB
Rust
#![feature(coverage_attribute)]
|
|
// compile-flags: --edition=2021 -Copt-level=0 -Zmir-opt-level=3
|
|
|
|
// Regression test for <https://github.com/rust-lang/rust/issues/117012>.
|
|
//
|
|
// If some coverage counters were removed by MIR optimizations, we need to take
|
|
// care not to refer to those counter IDs in coverage mappings, and instead
|
|
// replace them with a constant zero value. If we don't, `llvm-cov` might see
|
|
// a too-large counter ID and silently discard the entire function from its
|
|
// coverage reports.
|
|
|
|
#[derive(Debug, PartialEq, Eq)]
|
|
struct Foo(u32);
|
|
|
|
fn eq_good() {
|
|
println!("a");
|
|
assert_eq!(Foo(1), Foo(1));
|
|
}
|
|
|
|
fn eq_good_message() {
|
|
println!("b");
|
|
assert_eq!(Foo(1), Foo(1), "message b");
|
|
}
|
|
|
|
fn ne_good() {
|
|
println!("c");
|
|
assert_ne!(Foo(1), Foo(3));
|
|
}
|
|
|
|
fn ne_good_message() {
|
|
println!("d");
|
|
assert_ne!(Foo(1), Foo(3), "message d");
|
|
}
|
|
|
|
fn eq_bad() {
|
|
println!("e");
|
|
assert_eq!(Foo(1), Foo(3));
|
|
}
|
|
|
|
fn eq_bad_message() {
|
|
println!("f");
|
|
assert_eq!(Foo(1), Foo(3), "message f");
|
|
}
|
|
|
|
fn ne_bad() {
|
|
println!("g");
|
|
assert_ne!(Foo(1), Foo(1));
|
|
}
|
|
|
|
fn ne_bad_message() {
|
|
println!("h");
|
|
assert_ne!(Foo(1), Foo(1), "message h");
|
|
}
|
|
|
|
#[coverage(off)]
|
|
fn main() {
|
|
eq_good();
|
|
eq_good_message();
|
|
ne_good();
|
|
ne_good_message();
|
|
|
|
assert!(std::panic::catch_unwind(eq_bad).is_err());
|
|
assert!(std::panic::catch_unwind(eq_bad_message).is_err());
|
|
assert!(std::panic::catch_unwind(ne_bad).is_err());
|
|
assert!(std::panic::catch_unwind(ne_bad_message).is_err());
|
|
}
|