Merge pull request #182 from alanhdu/master

Fix some fuzzing bugs

src/datetime.rs

@@ -55,7 +55,7 @@ struct Time {
     hour: u8,
     minute: u8,
     second: u8,
-    secfract: Option<f64>,
+    secfract: f64,
 }
 
 #[derive(PartialEq, Clone)]
@@ -97,8 +97,8 @@ impl fmt::Display for Date {
 impl fmt::Display for Time {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         write!(f, "{:02}:{:02}:{:02}", self.hour, self.minute, self.second)?;
-        if let Some(i) = self.secfract {
-            let s = format!("{}", i);
+        if self.secfract != 0.0 {
+            let s = format!("{}", self.secfract);
             write!(f, "{}", s.trim_left_matches("0"))?;
         }
         Ok(())
@@ -219,11 +219,11 @@ impl FromStr for Datetime {
                 }
                 chars = whole[end..].chars();
                 match format!("0.{}", &whole[..end]).parse() {
-                    Ok(f) => Some(f),
+                    Ok(f) => f,
                     Err(_) => return Err(DatetimeParseError { _private: () }),
                 }
             } else {
-                None
+                0.0
             };
 
             let time = Time {

src/ser.rs

@@ -290,7 +290,7 @@ impl<'a> Serializer<'a> {
                 '\u{22}' => drop(write!(self.dst, "\\\"")),
                 '\u{5c}' => drop(write!(self.dst, "\\\\")),
                 c if c < '\u{1f}' => {
-                    drop(write!(self.dst, "\\u{:04}", ch as u32))
+                    drop(write!(self.dst, "\\u{:04X}", ch as u32))
                 }
                 ch => drop(write!(self.dst, "{}", ch)),
             }

tests/valid/unicode-escape.json

@@ -1,4 +1,5 @@
 {
+    "answer1": {"type": "string", "value": "\u000B"},
     "answer4": {"type": "string", "value": "\u03B4α"},
     "answer8": {"type": "string", "value": "\u03B4β"}
 }

tests/valid/unicode-escape.toml

@@ -1,2 +1,3 @@
+answer1 = "\u000B"
 answer4 = "\u03B4α"
 answer8 = "\U000003B4β"