mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-29 10:13:54 +00:00
71 lines
2.3 KiB
Rust
71 lines
2.3 KiB
Rust
#![feature(coverage_attribute)]
|
|
//@ edition: 2021
|
|
//@ min-llvm-version: 18
|
|
//@ compile-flags: -Zcoverage-options=mcdc
|
|
//@ llvm-cov-flags: --show-mcdc
|
|
|
|
fn nested_if_in_condition(a: bool, b: bool, c: bool) {
|
|
if a && if b || c { true } else { false } {
|
|
say("yes");
|
|
} else {
|
|
say("no");
|
|
}
|
|
}
|
|
|
|
fn doubly_nested_if_in_condition(a: bool, b: bool, c: bool, d: bool) {
|
|
if a && if b || if c && d { true } else { false } { false } else { true } {
|
|
say("yes");
|
|
} else {
|
|
say("no");
|
|
}
|
|
}
|
|
|
|
fn nested_single_condition_decision(a: bool, b: bool) {
|
|
// Decision with only 1 decision should not be instrumented by MCDC because
|
|
// branch-coverage is equivalent to MCDC coverage in this case, and we don't
|
|
// want to waste bitmap space for this.
|
|
if a && if b { false } else { true } {
|
|
say("yes");
|
|
} else {
|
|
say("no");
|
|
}
|
|
}
|
|
|
|
fn nested_in_then_block_in_condition(a: bool, b: bool, c: bool, d: bool, e: bool) {
|
|
if a && if b || c { if d && e { true } else { false } } else { false } {
|
|
say("yes");
|
|
} else {
|
|
say("no");
|
|
}
|
|
}
|
|
|
|
#[coverage(off)]
|
|
fn main() {
|
|
nested_if_in_condition(true, false, false);
|
|
nested_if_in_condition(true, true, true);
|
|
nested_if_in_condition(true, false, true);
|
|
nested_if_in_condition(false, true, true);
|
|
|
|
doubly_nested_if_in_condition(true, false, false, true);
|
|
doubly_nested_if_in_condition(true, true, true, true);
|
|
doubly_nested_if_in_condition(true, false, true, true);
|
|
doubly_nested_if_in_condition(false, true, true, true);
|
|
|
|
nested_single_condition_decision(true, true);
|
|
nested_single_condition_decision(true, false);
|
|
nested_single_condition_decision(false, false);
|
|
|
|
nested_in_then_block_in_condition(false, false, false, false, false);
|
|
nested_in_then_block_in_condition(true, false, false, false, false);
|
|
nested_in_then_block_in_condition(true, true, false, false, false);
|
|
nested_in_then_block_in_condition(true, false, true, false, false);
|
|
nested_in_then_block_in_condition(true, false, true, true, false);
|
|
nested_in_then_block_in_condition(true, false, true, false, true);
|
|
nested_in_then_block_in_condition(true, false, true, true, true);
|
|
}
|
|
|
|
#[coverage(off)]
|
|
fn say(message: &str) {
|
|
core::hint::black_box(message);
|
|
}
|