From 886a2a2d022ce4c2ddfcec11b2f1cb9c883653ef Mon Sep 17 00:00:00 2001
From: Richard Whitehouse <github@richardwhiuk.com>
Date: Mon, 22 Oct 2018 08:42:41 -0400
Subject: [PATCH] Add tests for chartype

---
 src/codec.rs | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/src/codec.rs b/src/codec.rs
index 6921f7a..b1d298c 100644
--- a/src/codec.rs
+++ b/src/codec.rs
@@ -332,6 +332,7 @@ impl Encoder for SipCodec {
     }
 }
 
+#[derive(PartialEq, Debug)]
 enum CharType {
     Line,
     Whitespace,
@@ -345,3 +346,46 @@ fn chartype(char: Option<&u8>) -> CharType {
         Some(_) => CharType::Other,
     }
 }
+
+#[cfg(test)]
+mod tests {
+
+    use super::*;
+
+    #[test]
+    fn test_chartype_none() {
+        assert_eq!(chartype(None), CharType::Line);
+    }
+
+    #[test]
+    fn test_chartype_cr() {
+        assert_eq!(chartype(Some(&LF)), CharType::Line);
+    }
+
+    #[test]
+    fn test_chartype_lf() {
+        assert_eq!(chartype(Some(&CR)), CharType::Line);
+    }
+
+    #[test]
+    fn test_chartype_space() {
+        assert_eq!(chartype(Some(&SPACE)), CharType::Whitespace);
+    }
+
+    #[test]
+    fn test_chartype_tab() {
+        assert_eq!(chartype(Some(&TAB)), CharType::Whitespace);
+    }
+
+    #[test]
+    fn test_chartype_alpha() {
+        const A: u8 = b'a';
+        assert_eq!(chartype(Some(&A)), CharType::Other);
+    }
+
+    #[test]
+    fn test_chartype_number() {
+        const ONE: u8 = b'1';
+        assert_eq!(chartype(Some(&ONE)), CharType::Other);
+    }
+}
-- 
2.34.1