// Enables `no_coverage` on the entire crate #![feature(no_coverage)] #[no_coverage] fn do_not_add_coverage_1() { println!("called but not covered"); } fn do_not_add_coverage_2() { #![no_coverage] println!("called but not covered"); } #[no_coverage] fn do_not_add_coverage_not_called() { println!("not called and not covered"); } fn add_coverage_1() { println!("called and covered"); } fn add_coverage_2() { println!("called and covered"); } fn add_coverage_not_called() { println!("not called but covered"); } // FIXME: These test-cases illustrate confusing results of nested functions. // See https://github.com/rust-lang/rust/issues/93319 mod nested_fns { #[no_coverage] pub fn outer_not_covered(is_true: bool) { fn inner(is_true: bool) { if is_true { println!("called and covered"); } else { println!("absolutely not covered"); } } println!("called but not covered"); inner(is_true); } pub fn outer(is_true: bool) { println!("called and covered"); inner_not_covered(is_true); #[no_coverage] fn inner_not_covered(is_true: bool) { if is_true { println!("called but not covered"); } else { println!("absolutely not covered"); } } } pub fn outer_both_covered(is_true: bool) { println!("called and covered"); inner(is_true); fn inner(is_true: bool) { if is_true { println!("called and covered"); } else { println!("absolutely not covered"); } } } } fn main() { let is_true = std::env::args().len() == 1; do_not_add_coverage_1(); do_not_add_coverage_2(); add_coverage_1(); add_coverage_2(); nested_fns::outer_not_covered(is_true); nested_fns::outer(is_true); nested_fns::outer_both_covered(is_true); }