add NumberAny::from_bytes, tests

Author: samuelcolvin

crates/jiter/src/number_decoder.rs

@@ -143,18 +143,16 @@ impl TryFrom<&[u8]> for NumberAny {
     type Error = JsonError;
 
     fn try_from(value: &[u8]) -> Result<Self, Self::Error> {
-        let first = *value.first().ok_or_else(|| json_error!(InvalidNumber, 0))?;
-        let (int_parse, index) = IntParse::parse(value, 0, first)?;
-        let (number, index) = match int_parse {
-            IntParse::Int(int) => (Self::Int(int), index),
-            IntParse::Float => {
-                let (f, index) = NumberFloat::decode(value, 0, first, false)?;
-                (Self::Float(f), index)
-            }
-            _ => return json_err!(InvalidNumber, index),
-        };
+        Self::from_bytes(value, false)
+    }
+}
+
+impl NumberAny {
+    pub fn from_bytes(data: &[u8], allow_inf_nan: bool) -> Result<Self, JsonError> {
+        let first = *data.first().ok_or_else(|| json_error!(InvalidNumber, 0))?;
+        let (number, index) = Self::decode(data, 0, first, allow_inf_nan)?;
 
-        if index == value.len() {
+        if index == data.len() {
             Ok(number)
         } else {
             json_err!(InvalidNumber, index)

crates/jiter/tests/main.rs

@@ -1467,11 +1467,32 @@ fn test_number_any_try_from_bytes() {
     let e = NumberAny::try_from(b"0123".as_ref()).unwrap_err();
     assert_eq!(e.to_string(), "invalid number at index 1");
 
+    let e = NumberAny::try_from(b"NaN".as_ref()).unwrap_err();
+    assert_eq!(e.to_string(), "expected value at index 0");
+
     let too_long = "9".repeat(4309);
     let e = NumberAny::try_from(too_long.as_bytes()).unwrap_err();
     assert_eq!(e.to_string(), "number out of range at index 4301");
 }
 
+#[test]
+fn test_number_any_try_from_bytes_allow() {
+    let n = NumberAny::from_bytes(b"123", true).unwrap();
+    assert_eq!(n, NumberAny::Int(NumberInt::Int(123)));
+
+    let e = NumberAny::from_bytes(b"x23", true).unwrap_err();
+    assert_eq!(e.to_string(), "invalid number at index 0");
+
+    let n = NumberAny::from_bytes(b"NaN", true).unwrap();
+    assert_eq!(format!("{n:?}"), "Float(NaN)");
+
+    let n = NumberAny::from_bytes(b"Infinity", true).unwrap();
+    assert_eq!(format!("{n:?}"), "Float(inf)");
+
+    let e = NumberAny::from_bytes(b"NaN", false).unwrap_err();
+    assert_eq!(e.to_string(), "expected value at index 0");
+}
+
 #[test]
 fn jiter_skip_whole_object() {
     let mut jiter = Jiter::new(br#"{"x": 1}"#);