fix: fixed parsing of the last line without trailing new-line charact…

…ers (#177)

Cargo.toml

@@ -4,7 +4,7 @@ categories = ["command-line-utilities"]
 description = "Utility for viewing json-formatted log files."
 keywords = ["cli", "human", "log"]
 name = "hl"
-version = "0.27.1-alpha.3"
+version = "0.27.1-alpha.4"
 edition = "2021"
 build = "build.rs"
 

src/scanning.rs

@@ -280,10 +280,11 @@ impl<'a, 'b, S: Search> Iterator for SplitIter<'a, 'b, S> {
         let range = self.searcher.search_l(buf, true);
         if let Some(range) = range {
             self.pos += range.end;
-            return Some(&buf[..range.start]);
+            Some(&buf[..range.start])
+        } else {
+            self.pos = self.buf.len();
+            Some(buf)
         }
-
-        None
     }
 }
 
@@ -837,6 +838,25 @@ impl<'a, 'b, D: Delimit> Iterator for ScannerJumboIter<'a, 'b, D> {
 mod tests {
     use super::*;
 
+    #[test]
+    fn test_empty() {
+        let searcher = b'/'.into_searcher();
+        let buf = b"";
+        let mut iter = searcher.split(buf);
+
+        assert_eq!(iter.next(), None);
+    }
+
+    #[test]
+    fn test_no_delim() {
+        let searcher = b'/'.into_searcher();
+        let buf = b"some";
+        let mut iter = searcher.split(buf);
+
+        assert_eq!(iter.next(), Some(&b"some"[..]));
+        assert_eq!(iter.next(), None);
+    }
+
     #[test]
     fn test_split_iter() {
         let searcher = b'/'.into_searcher();