test(number): cover zero-prefixable exponent digits

Assisted-by: GLM 5.3
2026-09-17 23:05:27 +02:00
parent 830f840f44
commit 3c1f65038b
2 changed files with 7 additions and 1 deletions
@@ -104,7 +104,9 @@ func decodeFloat(tok string) (any, error) {
 		build += "." + fp
 	}
 	// The ABNF requires at least one digit after the exponent marker, so a
-	// trailing e or E is an error even though strconv would accept it.
+	// trailing e or E is an error even though strconv would accept it. The
+	// digits are a zero-prefixable integer, so leading zeros are fine here
+	// (the corpus holds valid cases such as 1e06 and 0e00).
 	if hasExp {
 		esign, edigits := splitSign(exp)
 		ed, err := joinDigits(edigits, isDecDigit)