mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-22 06:44:35 +00:00
70 lines
2.5 KiB
Plaintext
70 lines
2.5 KiB
Plaintext
LL| |#![feature(coverage_attribute)]
|
|
LL| |// compile-flags: --edition=2021 -Copt-level=0 -Zmir-opt-level=3
|
|
LL| |
|
|
LL| |// Regression test for <https://github.com/rust-lang/rust/issues/117012>.
|
|
LL| |//
|
|
LL| |// If some coverage counters were removed by MIR optimizations, we need to take
|
|
LL| |// care not to refer to those counter IDs in coverage mappings, and instead
|
|
LL| |// replace them with a constant zero value. If we don't, `llvm-cov` might see
|
|
LL| |// a too-large counter ID and silently discard the entire function from its
|
|
LL| |// coverage reports.
|
|
LL| |
|
|
LL| 8|#[derive(Debug, PartialEq, Eq)]
|
|
LL| |struct Foo(u32);
|
|
LL| |
|
|
LL| 1|fn eq_good() {
|
|
LL| 1| println!("a");
|
|
LL| 1| assert_eq!(Foo(1), Foo(1));
|
|
LL| 1|}
|
|
LL| |
|
|
LL| 1|fn eq_good_message() {
|
|
LL| 1| println!("b");
|
|
LL| 1| assert_eq!(Foo(1), Foo(1), "message b");
|
|
^0
|
|
LL| 1|}
|
|
LL| |
|
|
LL| 1|fn ne_good() {
|
|
LL| 1| println!("c");
|
|
LL| 1| assert_ne!(Foo(1), Foo(3));
|
|
LL| 1|}
|
|
LL| |
|
|
LL| 1|fn ne_good_message() {
|
|
LL| 1| println!("d");
|
|
LL| 1| assert_ne!(Foo(1), Foo(3), "message d");
|
|
^0
|
|
LL| 1|}
|
|
LL| |
|
|
LL| 1|fn eq_bad() {
|
|
LL| 1| println!("e");
|
|
LL| 1| assert_eq!(Foo(1), Foo(3));
|
|
LL| 0|}
|
|
LL| |
|
|
LL| 1|fn eq_bad_message() {
|
|
LL| 1| println!("f");
|
|
LL| 1| assert_eq!(Foo(1), Foo(3), "message f");
|
|
LL| 0|}
|
|
LL| |
|
|
LL| 1|fn ne_bad() {
|
|
LL| 1| println!("g");
|
|
LL| 1| assert_ne!(Foo(1), Foo(1));
|
|
LL| 0|}
|
|
LL| |
|
|
LL| 1|fn ne_bad_message() {
|
|
LL| 1| println!("h");
|
|
LL| 1| assert_ne!(Foo(1), Foo(1), "message h");
|
|
LL| 0|}
|
|
LL| |
|
|
LL| |#[coverage(off)]
|
|
LL| |fn main() {
|
|
LL| | eq_good();
|
|
LL| | eq_good_message();
|
|
LL| | ne_good();
|
|
LL| | ne_good_message();
|
|
LL| |
|
|
LL| | assert!(std::panic::catch_unwind(eq_bad).is_err());
|
|
LL| | assert!(std::panic::catch_unwind(eq_bad_message).is_err());
|
|
LL| | assert!(std::panic::catch_unwind(ne_bad).is_err());
|
|
LL| | assert!(std::panic::catch_unwind(ne_bad_message).is_err());
|
|
LL| |}
|
|
|