Add test cases for a file with no extension.

Test get_file_extension_from_file_meta_line_file_path

1 files changed, 12 insertions, 0 deletions

diff --git a/src/parse.rs b/src/parse.rs
index 48122d94..e1a08601 100644
--- a/src/parse.rs
+++ b/src/parse.rs
@@ -119,6 +119,18 @@ mod tests {
             get_file_extension_from_file_meta_line_file_path("/dev/null"),
             None
         );
+        assert_eq!(
+            get_file_extension_from_file_meta_line_file_path("Makefile"),
+            Some("Makefile")
+        );
+        assert_eq!(
+            get_file_extension_from_file_meta_line_file_path("a/src/Makefile"),
+            Some("Makefile")
+        );
+        assert_eq!(
+            get_file_extension_from_file_meta_line_file_path("src/Makefile"),
+            Some("Makefile")
+        );
     }
 
     // We should only strip the prefixes if they are "a/" or "b/". This will be correct except for