format

Author: bitfield

src/lib.rs

@@ -39,7 +39,12 @@
 use regex::Regex;
 use similar::TextDiff;
 
-use std::{fs, io::{self, BufRead, BufReader}, path::Path, sync::LazyLock};
+use std::{
+    fs,
+    io::{self, BufRead, BufReader},
+    path::Path,
+    sync::LazyLock,
+};
 
 static LISTINGS: LazyLock<Regex> = LazyLock::new(|| {
     Regex::new(r"(?m)^```.*?\n(?<code>[^`]+?\n)?```\n\(\[(?<title>[\s\S]+?)\]\((?<link>.*?)\)")
@@ -138,7 +143,7 @@ mod tests {
         let want = "    foo\n        bar\n    baz\n";
         assert_eq!(indent(input), want, "wrong indentation");
     }
-    
+
     #[test]
     fn diff_matches_indented_code() {
         let local = "#[test]\nfn foo() {}";

tests/data/test.md

@@ -13,3 +13,18 @@ fn append_appends_line_to_existing_file() {
 }
 ```
 ([Listing `logbook_4`](https://github.com/bitfield/tsr-tools/blob/main/logbook_4/src/lib.rs))
+
+Just as a refresher, here's the existing test for `count_lines` (we won't worry about the error-handling test for now):
+
+\vspace{5pt}
+```rust
+#[test]
+fn count_lines_fn_counts_lines_in_input() {
+    let input = Cursor::new("line 1\nline 2\n");
+    let lines = count_lines(input);
+    assert_eq!(lines, 2, "wrong line count");
+}
+```
+([Listing `count_2`](https://github.com/bitfield/tsr-tools/blob/main/count_2/src/lib.rs))
+
+So, over to you again.