coverage: Move branch coverage tests into a subdirectory

1 files changed, 37 insertions, 0 deletions

diff --git a/tests/coverage/branch/guard.rs b/tests/coverage/branch/guard.rs
new file mode 100644
index 00000000000..fa049e6206d
--- /dev/null
+++ b/tests/coverage/branch/guard.rs
@@ -0,0 +1,37 @@
+#![feature(coverage_attribute)]
+//@ edition: 2021
+//@ compile-flags: -Zcoverage-options=branch
+//@ llvm-cov-flags: --show-branches=count
+
+macro_rules! no_merge {
+    () => {
+        for _ in 0..1 {}
+    };
+}
+
+fn branch_match_guard(x: Option<u32>) {
+    no_merge!();
+
+    match x {
+        Some(0) => {
+            println!("zero");
+        }
+        Some(x) if x % 2 == 0 => {
+            println!("is nonzero and even");
+        }
+        Some(x) if x % 3 == 0 => {
+            println!("is nonzero and odd, but divisible by 3");
+        }
+        _ => {
+            println!("something else");
+        }
+    }
+}
+
+#[coverage(off)]
+fn main() {
+    branch_match_guard(Some(0));
+    branch_match_guard(Some(2));
+    branch_match_guard(Some(6));
+    branch_match_guard(Some(3));
+}