From 0950e9293f99191de816c58c777936d74873b9fa Mon Sep 17 00:00:00 2001
From: Takanori Hayashi <flowlight0@gmail.com>
Date: Sun, 22 Jun 2025 13:17:57 +0900
Subject: [PATCH] Ignore btree_directory debug print in coverage

---
 build.rs                           | 3 +++
 src/index/btree/btree_directory.rs | 1 +
 2 files changed, 4 insertions(+)

diff --git a/build.rs b/build.rs
index 1884910..c0b88ec 100644
--- a/build.rs
+++ b/build.rs
@@ -1,6 +1,9 @@
 use std::{env, path::PathBuf, process::Command};
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {
+    // Recognize Tarpaulin cfgs for conditional compilation without warnings
+    println!("cargo:rustc-check-cfg=cfg(tarpaulin)");
+    println!("cargo:rustc-check-cfg=cfg(tarpaulin_include)");
     let manifest_dir = env::var("CARGO_MANIFEST_DIR")?;
     let out_dir = PathBuf::from(&manifest_dir).join("src/proto");
     tonic_build::configure()
diff --git a/src/index/btree/btree_directory.rs b/src/index/btree/btree_directory.rs
index a2ccf34..3ff0df3 100644
--- a/src/index/btree/btree_directory.rs
+++ b/src/index/btree/btree_directory.rs
@@ -138,6 +138,7 @@ impl BTreeDirectory {
     }
 
     #[allow(dead_code)]
+    #[cfg(not(tarpaulin_include))]
     pub(crate) fn debug_print(
         &self,
         btree_leaf_file_name: &str,