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Diffstat (limited to 'tests/coverage/branch/guard.coverage')
| -rw-r--r-- | tests/coverage/branch/guard.coverage | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/tests/coverage/branch/guard.coverage b/tests/coverage/branch/guard.coverage new file mode 100644 index 00000000000..f89b965b5d0 --- /dev/null +++ b/tests/coverage/branch/guard.coverage @@ -0,0 +1,45 @@ + LL| |#![feature(coverage_attribute)] + LL| |//@ edition: 2021 + LL| |//@ compile-flags: -Zcoverage-options=branch + LL| |//@ llvm-cov-flags: --show-branches=count + LL| | + LL| |macro_rules! no_merge { + LL| | () => { + LL| | for _ in 0..1 {} + LL| | }; + LL| |} + LL| | + LL| 4|fn branch_match_guard(x: Option<u32>) { + LL| 4| no_merge!(); + LL| | + LL| 1| match x { + LL| 1| Some(0) => { + LL| 1| println!("zero"); + LL| 1| } + LL| 3| Some(x) if x % 2 == 0 => { + ^2 + ------------------ + | Branch (LL:20): [True: 2, False: 1] + ------------------ + LL| 2| println!("is nonzero and even"); + LL| 2| } + LL| 1| Some(x) if x % 3 == 0 => { + ------------------ + | Branch (LL:20): [True: 1, False: 0] + ------------------ + LL| 1| println!("is nonzero and odd, but divisible by 3"); + LL| 1| } + LL| 0| _ => { + LL| 0| println!("something else"); + LL| 0| } + LL| | } + LL| 4|} + LL| | + LL| |#[coverage(off)] + LL| |fn main() { + LL| | branch_match_guard(Some(0)); + LL| | branch_match_guard(Some(2)); + LL| | branch_match_guard(Some(6)); + LL| | branch_match_guard(Some(3)); + LL| |} + |