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|
LL| |#![feature(coverage_attribute)]
LL| |//@ edition: 2021
LL| |//@ compile-flags: -Zcoverage-options=branch,no-mir-spans
LL| |//@ llvm-cov-flags: --show-branches=count
LL| |
LL| |// Tests the behaviour of the `-Zcoverage-options=no-mir-spans` debugging flag.
LL| |// The actual code below is just some non-trivial code copied from another test
LL| |// (`while.rs`), and has no particular significance.
LL| |
LL| |macro_rules! no_merge {
LL| | () => {
LL| | for _ in 0..1 {}
LL| | };
LL| |}
LL| |
LL| 1|fn while_cond() {
LL| | no_merge!();
LL| |
LL| | let mut a = 8;
LL| | while a > 0 {
------------------
| Branch (LL:11): [True: 8, False: 1]
------------------
LL| | a -= 1;
LL| | }
LL| |}
LL| |
LL| 1|fn while_cond_not() {
LL| | no_merge!();
LL| |
LL| | let mut a = 8;
LL| | while !(a == 0) {
------------------
| Branch (LL:11): [True: 8, False: 1]
------------------
LL| | a -= 1;
LL| | }
LL| |}
LL| |
LL| 1|fn while_op_and() {
LL| | no_merge!();
LL| |
LL| | let mut a = 8;
LL| | let mut b = 4;
LL| | while a > 0 && b > 0 {
------------------
| Branch (LL:11): [True: 5, False: 0]
| Branch (LL:20): [True: 4, False: 1]
------------------
LL| | a -= 1;
LL| | b -= 1;
LL| | }
LL| |}
LL| |
LL| 1|fn while_op_or() {
LL| | no_merge!();
LL| |
LL| | let mut a = 4;
LL| | let mut b = 8;
LL| | while a > 0 || b > 0 {
------------------
| Branch (LL:11): [True: 4, False: 5]
| Branch (LL:20): [True: 4, False: 1]
------------------
LL| | a -= 1;
LL| | b -= 1;
LL| | }
LL| |}
LL| |
LL| |#[coverage(off)]
LL| |fn main() {
LL| | while_cond();
LL| | while_cond_not();
LL| | while_op_and();
LL| | while_op_or();
LL| |}
|
