rust/tests/run-coverage/no_cov_crate.rs

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// Enables `coverage(off)` on the entire crate
#![feature(coverage_attribute)]
#[coverage(off)]
fn do_not_add_coverage_1() {
println!("called but not covered");
}
fn do_not_add_coverage_2() {
#![coverage(off)]
println!("called but not covered");
}
#[coverage(off)]
#[allow(dead_code)]
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");
}
#[allow(dead_code)]
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 {
#[coverage(off)]
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);
#[coverage(off)]
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);
}