rust/tests/coverage/mcdc/non_control_flow.rs
2024-09-18 13:53:31 -07:00

73 lines
1.6 KiB
Rust

#![feature(coverage_attribute)]
//@ edition: 2021
//@ ignore-llvm-version: 19 - 99
//@ compile-flags: -Zcoverage-options=mcdc
//@ llvm-cov-flags: --show-branches=count --show-mcdc
// This test ensures that boolean expressions that are not inside control flow
// decisions are correctly instrumented.
use core::hint::black_box;
fn assign_and(a: bool, b: bool) {
let x = a && b;
black_box(x);
}
fn assign_or(a: bool, b: bool) {
let x = a || b;
black_box(x);
}
fn assign_3(a: bool, b: bool, c: bool) {
let x = a || b && c;
black_box(x);
}
fn assign_3_bis(a: bool, b: bool, c: bool) {
let x = a && b || c;
black_box(x);
}
fn right_comb_tree(a: bool, b: bool, c: bool, d: bool, e: bool) {
let x = a && (b && (c && (d && (e))));
black_box(x);
}
fn foo(a: bool) -> bool {
black_box(a)
}
fn func_call(a: bool, b: bool) {
foo(a && b);
}
#[coverage(off)]
fn main() {
assign_and(true, false);
assign_and(true, true);
assign_and(false, false);
assign_or(true, false);
assign_or(true, true);
assign_or(false, false);
assign_3(true, false, false);
assign_3(true, true, false);
assign_3(false, false, true);
assign_3(false, true, true);
assign_3_bis(true, false, false);
assign_3_bis(true, true, false);
assign_3_bis(false, false, true);
assign_3_bis(false, true, true);
right_comb_tree(false, false, false, true, true);
right_comb_tree(true, false, false, true, true);
right_comb_tree(true, true, true, true, true);
func_call(true, false);
func_call(true, true);
func_call(false, false);
}