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uucore: format: num_parser: Allow uppercase exponent

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1E3 and 0x1P3 are acceptable numbers.

Sprinkle uppercase values in the tests.
This commit is contained in:
Nicolas Boichat 2025-03-21 21:28:28 +01:00
parent 16131b8d7b
commit a46da8d0b9
1 changed files with 9 additions and 6 deletions
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15
src/uucore/src/lib/features/format/num_parser.rs
View file

@ -432,7 +432,10 @@ fn parse(
};
// Parse the exponent part, only decimal numbers are allowed.
if chars.peek().is_some_and(|&(_, c)| c == exp_char) {
if chars
.peek()
.is_some_and(|&(_, c)| c.to_ascii_lowercase() == exp_char)
{
chars.next();
let exp_negative = match chars.peek() {
Some((_, '-')) => {
@ -570,8 +573,8 @@ mod tests {
assert_eq!(Ok(-123.15), f64::extended_parse("-0123.15"));
assert_eq!(Ok(12315000.0), f64::extended_parse("123.15e5"));
assert_eq!(Ok(-12315000.0), f64::extended_parse("-123.15e5"));
assert_eq!(Ok(12315000.0), f64::extended_parse("123.15e+5"));
assert_eq!(Ok(0.0012315), f64::extended_parse("123.15e-5"));
assert_eq!(Ok(12315000.0), f64::extended_parse("123.15E+5"));
assert_eq!(Ok(0.0012315), f64::extended_parse("123.15E-5"));
assert_eq!(
Ok(0.15),
f64::extended_parse(".150000000000000000000000000231313")
@ -655,7 +658,7 @@ mod tests {
12315.into(),
102
))),
ExtendedBigDecimal::extended_parse("123.15e-100")
ExtendedBigDecimal::extended_parse("123.15E-100")
);
// Very high precision that would not fit in a f64.
assert_eq!(
@ -724,7 +727,7 @@ mod tests {
assert_eq!(Ok(0.0625), f64::extended_parse("0x.1"));
assert_eq!(Ok(15.007_812_5), f64::extended_parse("0xf.02"));
assert_eq!(Ok(16.0), f64::extended_parse("0x0.8p5"));
assert_eq!(Ok(0.0625), f64::extended_parse("0x1p-4"));
assert_eq!(Ok(0.0625), f64::extended_parse("0x1P-4"));
// We cannot really check that 'e' is not a valid exponent indicator for hex floats...
// but we can check that the number still gets parsed properly: 0x0.8e5 is 0x8e5 / 16**3
@ -751,7 +754,7 @@ mod tests {
Err(ExtendedParserError::Overflow(ExtendedBigDecimal::Infinity))
));
assert!(matches!(
ExtendedBigDecimal::extended_parse(&format!("-0x100p{}", u32::MAX as u64 + 1)),
ExtendedBigDecimal::extended_parse(&format!("-0x100P{}", u32::MAX as u64 + 1)),
Err(ExtendedParserError::Overflow(
ExtendedBigDecimal::MinusInfinity
))