Fix \u{0} being accepted; errors tests

1 files changed, 7 insertions, 3 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 56ecb61..f75389b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -445,10 +445,11 @@ impl Parser {
 						.push(invalid_escape(format!("\\x{c1}{c2}")));
 					return;
 				};
-				if nibble1 == 0 && nibble2 == 0 {
+				let char_code = nibble1 << 4 | nibble2;
+				if char_code == 0 {
 					self.nonfatal_errors.push(Error::InvalidValue(location()));
 				}
-				value.push(char::try_from(nibble1 << 4 | nibble2).unwrap());
+				value.push(char::try_from(char_code).unwrap());
 			}
 			'u' => {
 				let mut c = chars.next();
@@ -481,6 +482,9 @@ impl Parser {
 						.push(invalid_escape("\\u{ has no matching }".into()));
 					return;
 				}
+				if code == 0 {
+					self.nonfatal_errors.push(Error::InvalidValue(location()));
+				}
 				let Ok(c) = char::try_from(code) else {
 					self.nonfatal_errors
 						.push(invalid_escape(format!("\\u{{{code:x}}}")));
@@ -717,7 +721,7 @@ impl Configuration {
 	///
 	/// The order of items returned is arbitrary and may change
 	/// in future versions without notice.
-	pub fn iter(&self) -> ConfigurationIter {
+	pub fn iter(&self) -> ConfigurationIter<'_> {
 		self.into_iter()
 	}