From eeb22a5c3b34eccb1f1d468b9898fb2ae4d99270 Mon Sep 17 00:00:00 2001
From: Alex Kotov <kotovalexarian@gmail.com>
Date: Sun, 2 Apr 2023 15:08:45 +0400
Subject: [PATCH] Add tests

---
 src/models.rs | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/models.rs b/src/models.rs
index 4aa497d..3acf60d 100644
--- a/src/models.rs
+++ b/src/models.rs
@@ -48,3 +48,21 @@ impl Default for Pos {
         Self::new(0, 1, 1)
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn valid_invalid_chars() {
+        let pos = Pos::default();
+
+        assert_eq!(Char::new('\0', pos), Err('\0'));
+        assert_eq!(Char::new('\t', pos), Err('\t'));
+        assert_eq!(Char::new('\r', pos), Err('\r'));
+
+        assert_eq!(Char::new(' ', pos), Ok(Char { value: ' ', pos }));
+        assert_eq!(Char::new('\n', pos), Ok(Char { value: '\n', pos }));
+        assert_eq!(Char::new('a', pos), Ok(Char { value: 'a', pos }));
+    }
+}