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#![feature(coverage_attribute)]
//@ edition: 2021
//@ min-llvm-version: 19
//@ compile-flags: -Zcoverage-options=mcdc
//@ llvm-cov-flags: --show-branches=count --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);
}
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