add a test for suffix rule matching

1 files changed, 15 insertions, 0 deletions

diff --git a/src/makefile/inference_rules.rs b/src/makefile/inference_rules.rs
index ed83f03..7a636df 100644
--- a/src/makefile/inference_rules.rs
+++ b/src/makefile/inference_rules.rs
@@ -63,3 +63,18 @@ impl fmt::Display for InferenceRule {
         Ok(())
     }
 }
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    type R = eyre::Result<()>;
+
+    #[test]
+    fn suffix_match() -> R {
+        let rule = InferenceRule::new_suffix(".o".to_string(), ".c".to_string(), vec![]);
+        assert!(rule.matches("foo.o")?);
+        assert!(rule.matches("dir/foo.o")?);
+        Ok(())
+    }
+}