116 lines
3.5 KiB
Rust
116 lines
3.5 KiB
Rust
#![cfg(any(
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feature = "parse-floats",
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feature = "parse-integers",
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feature = "write-floats",
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feature = "write-integers",
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))]
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use lexical_util::digit;
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#[cfg(any(feature = "parse-floats", feature = "parse-integers"))]
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fn char_to_digit(c: u8, radix: u32, expected: Option<u32>) {
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assert_eq!(digit::char_to_digit_const(c, radix), expected);
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assert_eq!(digit::char_to_digit(c, radix), expected);
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}
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#[test]
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#[cfg(any(feature = "parse-floats", feature = "parse-integers"))]
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fn char_to_digit_test() {
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char_to_digit(b'0', 2, Some(0));
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char_to_digit(b'1', 2, Some(1));
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char_to_digit(b'9', 2, None);
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char_to_digit(b'A', 2, None);
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char_to_digit(b'Z', 2, None);
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char_to_digit(b'0', 10, Some(0));
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char_to_digit(b'1', 10, Some(1));
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char_to_digit(b'9', 10, Some(9));
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char_to_digit(b'A', 10, None);
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char_to_digit(b'Z', 10, None);
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char_to_digit(b'0', 16, Some(0));
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char_to_digit(b'1', 16, Some(1));
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char_to_digit(b'9', 16, Some(9));
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char_to_digit(b'A', 16, Some(10));
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char_to_digit(b'Z', 16, None);
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// char_to_digit doesn't care about the radix.
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// check some more comprehensive cases.
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for c in b'0'..=b'9' {
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char_to_digit(c, 10, Some(c as u32 - b'0' as u32));
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}
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char_to_digit(0x29, 10, None);
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char_to_digit(0x3A, 10, None);
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char_to_digit(0x59, 10, None);
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for c in b'0'..=b'8' {
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char_to_digit(c, 9, Some(c as u32 - b'0' as u32));
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}
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char_to_digit(0x29, 9, None);
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char_to_digit(0x39, 9, None);
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char_to_digit(0x3A, 9, None);
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char_to_digit(0x59, 9, None);
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for c in b'0'..=b'9' {
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char_to_digit(c, 16, Some(c as u32 - b'0' as u32));
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}
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for c in b'a'..=b'f' {
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char_to_digit(c, 16, Some(c as u32 - b'a' as u32 + 10));
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}
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for c in b'A'..=b'F' {
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char_to_digit(c, 16, Some(c as u32 - b'A' as u32 + 10));
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}
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char_to_digit(0x29, 16, None);
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char_to_digit(0x40, 16, None);
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char_to_digit(0x3A, 16, None);
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char_to_digit(0x59, 16, None);
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char_to_digit(0x41, 16, Some(10));
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char_to_digit(0x47, 16, None);
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char_to_digit(0x5A, 16, None);
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char_to_digit(0x61, 16, Some(10));
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char_to_digit(0x67, 16, None);
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char_to_digit(0x7A, 16, None);
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}
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#[cfg(any(feature = "parse-floats", feature = "parse-integers"))]
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fn char_is_digit(c: u8, radix: u32, expected: bool) {
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assert_eq!(digit::char_is_digit_const(c, radix), expected);
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assert_eq!(digit::char_is_digit(c, radix), expected);
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}
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#[test]
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#[cfg(any(feature = "parse-floats", feature = "parse-integers"))]
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fn char_is_digit_const_test() {
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char_is_digit(b'0', 2, true);
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char_is_digit(b'1', 2, true);
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char_is_digit(b'9', 2, false);
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char_is_digit(b'A', 2, false);
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char_is_digit(b'Z', 2, false);
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char_is_digit(b'0', 10, true);
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char_is_digit(b'1', 10, true);
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char_is_digit(b'9', 10, true);
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char_is_digit(b'A', 10, false);
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char_is_digit(b'Z', 10, false);
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char_is_digit(b'0', 16, true);
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char_is_digit(b'1', 16, true);
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char_is_digit(b'9', 16, true);
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char_is_digit(b'A', 16, true);
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char_is_digit(b'Z', 16, false);
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}
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#[cfg(any(feature = "write-floats", feature = "write-integers"))]
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fn digit_to_char(digit: u32, radix: u32, expected: u8) {
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assert_eq!(digit::digit_to_char_const(digit, radix), expected);
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assert_eq!(digit::digit_to_char(digit), expected);
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}
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#[test]
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#[cfg(any(feature = "write-floats", feature = "write-integers"))]
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fn digit_to_char_const_test() {
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digit_to_char(9, 10, b'9');
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digit_to_char(10, 36, b'A');
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digit_to_char(11, 36, b'B');
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}
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