Escape control characters when encoding strings

Closes #126

1 files changed, 6 insertions, 0 deletions

diff --git a/src/lib.rs b/src/lib.rs
index e8dcb92..74fe1b8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -489,4 +489,10 @@ mod tests {
         assert_eq!(Value::Integer(0), *value.lookup("table.\"element\".\"value\".0").unwrap());
     }
 
+    #[test]
+    fn control_characters() {
+        let value = Value::String("\x05".to_string());
+        assert_eq!(value.to_string(), r#""\u0005""#);
+    }
+
 }