[Enhancement] Add Further Test Case for PathBufLike IO (#71)

* Added ::= tests for PathBufLikeTruncation

* Create summary of recent changes

---------

Co-authored-by: GitHub Actions <41898282+github-actions[bot]@users.noreply.github.com>

changelog.d/20240125_132721_GitHub_Actions_io-example-truncation.ron

@@ -0,0 +1,8 @@
+(
+  references: {},
+  changes: {
+    "Added": [
+      "tests for PathBufLikeTruncation",
+    ],
+  },
+)

tests/writing.rs

@@ -17,6 +17,56 @@
 |                                                                              |
 \******************************************************************************/
 
+mod path_buf_like_io {
+    use aeruginous_io::{PathBufLikeReader, PathBufLikeTruncation};
+
+    #[test]
+    fn asset_manipulation_truncate() {
+        let f = "path_buf_like_io_asset_manipulation_truncate.txt";
+
+        assert!("tests/assets/GPL-3.0.rs"
+            .read_silently()
+            .map(|s| {
+                s.lines()
+                    .map(str::trim_start)
+                    .filter(|l| (l.starts_with("///")))
+                    .map(|l| {
+                        if l.len() > 3 {
+                            l.split_at(4).1.trim_end().to_string() + "\n"
+                        } else {
+                            "\n".to_string()
+                        }
+                    })
+                    .collect::<String>()
+            })
+            .unwrap()
+            .truncate_silently(f)
+            .is_ok());
+
+        assert_eq!(
+            f.read_silently().unwrap(),
+            "\
+Copyright (C) 2024 Kevin Matthes
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"
+        );
+
+        std::fs::remove_file(f).unwrap();
+    }
+}
+
 mod path_buf_like_truncation {
     use aeruginous_io::{PathBufLikeReader, PathBufLikeTruncation};