diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/rust/nom/src/multi/tests.rs | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/nom/src/multi/tests.rs')
-rw-r--r-- | third_party/rust/nom/src/multi/tests.rs | 534 |
1 files changed, 534 insertions, 0 deletions
diff --git a/third_party/rust/nom/src/multi/tests.rs b/third_party/rust/nom/src/multi/tests.rs new file mode 100644 index 0000000000..96a6518176 --- /dev/null +++ b/third_party/rust/nom/src/multi/tests.rs @@ -0,0 +1,534 @@ +use super::{length_data, length_value, many0_count, many1_count}; +use crate::{ + bytes::streaming::tag, + character::streaming::digit1 as digit, + error::{ErrorKind, ParseError}, + internal::{Err, IResult, Needed}, + lib::std::str::{self, FromStr}, + number::streaming::{be_u16, be_u8}, + sequence::{pair, tuple}, +}; +#[cfg(feature = "alloc")] +use crate::{ + lib::std::vec::Vec, + multi::{ + count, fold_many0, fold_many1, fold_many_m_n, length_count, many0, many1, many_m_n, many_till, + separated_list0, separated_list1, + }, +}; + +#[test] +#[cfg(feature = "alloc")] +fn separated_list0_test() { + fn multi(i: &[u8]) -> IResult<&[u8], Vec<&[u8]>> { + separated_list0(tag(","), tag("abcd"))(i) + } + fn multi_empty(i: &[u8]) -> IResult<&[u8], Vec<&[u8]>> { + separated_list0(tag(","), tag(""))(i) + } + fn empty_sep(i: &[u8]) -> IResult<&[u8], Vec<&[u8]>> { + separated_list0(tag(""), tag("abc"))(i) + } + fn multi_longsep(i: &[u8]) -> IResult<&[u8], Vec<&[u8]>> { + separated_list0(tag(".."), tag("abcd"))(i) + } + + let a = &b"abcdef"[..]; + let b = &b"abcd,abcdef"[..]; + let c = &b"azerty"[..]; + let d = &b",,abc"[..]; + let e = &b"abcd,abcd,ef"[..]; + let f = &b"abc"[..]; + let g = &b"abcd."[..]; + let h = &b"abcd,abc"[..]; + let i = &b"abcabc"[..]; + + let res1 = vec![&b"abcd"[..]]; + assert_eq!(multi(a), Ok((&b"ef"[..], res1))); + let res2 = vec![&b"abcd"[..], &b"abcd"[..]]; + assert_eq!(multi(b), Ok((&b"ef"[..], res2))); + assert_eq!(multi(c), Ok((&b"azerty"[..], Vec::new()))); + let res3 = vec![&b""[..], &b""[..], &b""[..]]; + assert_eq!(multi_empty(d), Ok((&b"abc"[..], res3))); + let i_err_pos = &i[3..]; + assert_eq!( + empty_sep(i), + Err(Err::Error(error_position!( + i_err_pos, + ErrorKind::SeparatedList + ))) + ); + let res4 = vec![&b"abcd"[..], &b"abcd"[..]]; + assert_eq!(multi(e), Ok((&b",ef"[..], res4))); + + assert_eq!(multi(f), Err(Err::Incomplete(Needed::new(1)))); + assert_eq!(multi_longsep(g), Err(Err::Incomplete(Needed::new(1)))); + assert_eq!(multi(h), Err(Err::Incomplete(Needed::new(1)))); +} + +#[test] +#[cfg(feature = "alloc")] +fn separated_list1_test() { + fn multi(i: &[u8]) -> IResult<&[u8], Vec<&[u8]>> { + separated_list1(tag(","), tag("abcd"))(i) + } + fn multi_longsep(i: &[u8]) -> IResult<&[u8], Vec<&[u8]>> { + separated_list1(tag(".."), tag("abcd"))(i) + } + + let a = &b"abcdef"[..]; + let b = &b"abcd,abcdef"[..]; + let c = &b"azerty"[..]; + let d = &b"abcd,abcd,ef"[..]; + + let f = &b"abc"[..]; + let g = &b"abcd."[..]; + let h = &b"abcd,abc"[..]; + + let res1 = vec![&b"abcd"[..]]; + assert_eq!(multi(a), Ok((&b"ef"[..], res1))); + let res2 = vec![&b"abcd"[..], &b"abcd"[..]]; + assert_eq!(multi(b), Ok((&b"ef"[..], res2))); + assert_eq!( + multi(c), + Err(Err::Error(error_position!(c, ErrorKind::Tag))) + ); + let res3 = vec![&b"abcd"[..], &b"abcd"[..]]; + assert_eq!(multi(d), Ok((&b",ef"[..], res3))); + + assert_eq!(multi(f), Err(Err::Incomplete(Needed::new(1)))); + assert_eq!(multi_longsep(g), Err(Err::Incomplete(Needed::new(1)))); + assert_eq!(multi(h), Err(Err::Incomplete(Needed::new(1)))); +} + +#[test] +#[cfg(feature = "alloc")] +fn many0_test() { + fn multi(i: &[u8]) -> IResult<&[u8], Vec<&[u8]>> { + many0(tag("abcd"))(i) + } + fn multi_empty(i: &[u8]) -> IResult<&[u8], Vec<&[u8]>> { + many0(tag(""))(i) + } + + assert_eq!(multi(&b"abcdef"[..]), Ok((&b"ef"[..], vec![&b"abcd"[..]]))); + assert_eq!( + multi(&b"abcdabcdefgh"[..]), + Ok((&b"efgh"[..], vec![&b"abcd"[..], &b"abcd"[..]])) + ); + assert_eq!(multi(&b"azerty"[..]), Ok((&b"azerty"[..], Vec::new()))); + assert_eq!(multi(&b"abcdab"[..]), Err(Err::Incomplete(Needed::new(2)))); + assert_eq!(multi(&b"abcd"[..]), Err(Err::Incomplete(Needed::new(4)))); + assert_eq!(multi(&b""[..]), Err(Err::Incomplete(Needed::new(4)))); + assert_eq!( + multi_empty(&b"abcdef"[..]), + Err(Err::Error(error_position!( + &b"abcdef"[..], + ErrorKind::Many0 + ))) + ); +} + +#[test] +#[cfg(feature = "alloc")] +fn many1_test() { + fn multi(i: &[u8]) -> IResult<&[u8], Vec<&[u8]>> { + many1(tag("abcd"))(i) + } + + let a = &b"abcdef"[..]; + let b = &b"abcdabcdefgh"[..]; + let c = &b"azerty"[..]; + let d = &b"abcdab"[..]; + + let res1 = vec![&b"abcd"[..]]; + assert_eq!(multi(a), Ok((&b"ef"[..], res1))); + let res2 = vec![&b"abcd"[..], &b"abcd"[..]]; + assert_eq!(multi(b), Ok((&b"efgh"[..], res2))); + assert_eq!( + multi(c), + Err(Err::Error(error_position!(c, ErrorKind::Tag))) + ); + assert_eq!(multi(d), Err(Err::Incomplete(Needed::new(2)))); +} + +#[test] +#[cfg(feature = "alloc")] +fn many_till_test() { + fn multi(i: &[u8]) -> IResult<&[u8], (Vec<&[u8]>, &[u8])> { + many_till(tag("abcd"), tag("efgh"))(i) + } + + let a = b"abcdabcdefghabcd"; + let b = b"efghabcd"; + let c = b"azerty"; + + let res_a = (vec![&b"abcd"[..], &b"abcd"[..]], &b"efgh"[..]); + let res_b: (Vec<&[u8]>, &[u8]) = (Vec::new(), &b"efgh"[..]); + assert_eq!(multi(&a[..]), Ok((&b"abcd"[..], res_a))); + assert_eq!(multi(&b[..]), Ok((&b"abcd"[..], res_b))); + assert_eq!( + multi(&c[..]), + Err(Err::Error(error_node_position!( + &c[..], + ErrorKind::ManyTill, + error_position!(&c[..], ErrorKind::Tag) + ))) + ); +} + +#[test] +#[cfg(feature = "std")] +fn infinite_many() { + fn tst(input: &[u8]) -> IResult<&[u8], &[u8]> { + println!("input: {:?}", input); + Err(Err::Error(error_position!(input, ErrorKind::Tag))) + } + + // should not go into an infinite loop + fn multi0(i: &[u8]) -> IResult<&[u8], Vec<&[u8]>> { + many0(tst)(i) + } + let a = &b"abcdef"[..]; + assert_eq!(multi0(a), Ok((a, Vec::new()))); + + fn multi1(i: &[u8]) -> IResult<&[u8], Vec<&[u8]>> { + many1(tst)(i) + } + let a = &b"abcdef"[..]; + assert_eq!( + multi1(a), + Err(Err::Error(error_position!(a, ErrorKind::Tag))) + ); +} + +#[test] +#[cfg(feature = "alloc")] +fn many_m_n_test() { + fn multi(i: &[u8]) -> IResult<&[u8], Vec<&[u8]>> { + many_m_n(2, 4, tag("Abcd"))(i) + } + + let a = &b"Abcdef"[..]; + let b = &b"AbcdAbcdefgh"[..]; + let c = &b"AbcdAbcdAbcdAbcdefgh"[..]; + let d = &b"AbcdAbcdAbcdAbcdAbcdefgh"[..]; + let e = &b"AbcdAb"[..]; + + assert_eq!( + multi(a), + Err(Err::Error(error_position!(&b"ef"[..], ErrorKind::Tag))) + ); + let res1 = vec![&b"Abcd"[..], &b"Abcd"[..]]; + assert_eq!(multi(b), Ok((&b"efgh"[..], res1))); + let res2 = vec![&b"Abcd"[..], &b"Abcd"[..], &b"Abcd"[..], &b"Abcd"[..]]; + assert_eq!(multi(c), Ok((&b"efgh"[..], res2))); + let res3 = vec![&b"Abcd"[..], &b"Abcd"[..], &b"Abcd"[..], &b"Abcd"[..]]; + assert_eq!(multi(d), Ok((&b"Abcdefgh"[..], res3))); + assert_eq!(multi(e), Err(Err::Incomplete(Needed::new(2)))); +} + +#[test] +#[cfg(feature = "alloc")] +fn count_test() { + const TIMES: usize = 2; + fn cnt_2(i: &[u8]) -> IResult<&[u8], Vec<&[u8]>> { + count(tag("abc"), TIMES)(i) + } + + assert_eq!( + cnt_2(&b"abcabcabcdef"[..]), + Ok((&b"abcdef"[..], vec![&b"abc"[..], &b"abc"[..]])) + ); + assert_eq!(cnt_2(&b"ab"[..]), Err(Err::Incomplete(Needed::new(1)))); + assert_eq!(cnt_2(&b"abcab"[..]), Err(Err::Incomplete(Needed::new(1)))); + assert_eq!( + cnt_2(&b"xxx"[..]), + Err(Err::Error(error_position!(&b"xxx"[..], ErrorKind::Tag))) + ); + assert_eq!( + cnt_2(&b"xxxabcabcdef"[..]), + Err(Err::Error(error_position!( + &b"xxxabcabcdef"[..], + ErrorKind::Tag + ))) + ); + assert_eq!( + cnt_2(&b"abcxxxabcdef"[..]), + Err(Err::Error(error_position!( + &b"xxxabcdef"[..], + ErrorKind::Tag + ))) + ); +} + +#[test] +#[cfg(feature = "alloc")] +fn count_zero() { + const TIMES: usize = 0; + fn counter_2(i: &[u8]) -> IResult<&[u8], Vec<&[u8]>> { + count(tag("abc"), TIMES)(i) + } + + let done = &b"abcabcabcdef"[..]; + let parsed_done = Vec::new(); + let rest = done; + let incomplete_1 = &b"ab"[..]; + let parsed_incompl_1 = Vec::new(); + let incomplete_2 = &b"abcab"[..]; + let parsed_incompl_2 = Vec::new(); + let error = &b"xxx"[..]; + let error_remain = &b"xxx"[..]; + let parsed_err = Vec::new(); + let error_1 = &b"xxxabcabcdef"[..]; + let parsed_err_1 = Vec::new(); + let error_1_remain = &b"xxxabcabcdef"[..]; + let error_2 = &b"abcxxxabcdef"[..]; + let parsed_err_2 = Vec::new(); + let error_2_remain = &b"abcxxxabcdef"[..]; + + assert_eq!(counter_2(done), Ok((rest, parsed_done))); + assert_eq!( + counter_2(incomplete_1), + Ok((incomplete_1, parsed_incompl_1)) + ); + assert_eq!( + counter_2(incomplete_2), + Ok((incomplete_2, parsed_incompl_2)) + ); + assert_eq!(counter_2(error), Ok((error_remain, parsed_err))); + assert_eq!(counter_2(error_1), Ok((error_1_remain, parsed_err_1))); + assert_eq!(counter_2(error_2), Ok((error_2_remain, parsed_err_2))); +} + +#[derive(Debug, Clone, PartialEq)] +pub struct NilError; + +impl<I> From<(I, ErrorKind)> for NilError { + fn from(_: (I, ErrorKind)) -> Self { + NilError + } +} + +impl<I> ParseError<I> for NilError { + fn from_error_kind(_: I, _: ErrorKind) -> NilError { + NilError + } + fn append(_: I, _: ErrorKind, _: NilError) -> NilError { + NilError + } +} + +fn number(i: &[u8]) -> IResult<&[u8], u32> { + use crate::combinator::map_res; + + map_res(map_res(digit, str::from_utf8), FromStr::from_str)(i) +} + +#[test] +#[cfg(feature = "alloc")] +fn length_count_test() { + fn cnt(i: &[u8]) -> IResult<&[u8], Vec<&[u8]>> { + length_count(number, tag("abc"))(i) + } + + assert_eq!( + cnt(&b"2abcabcabcdef"[..]), + Ok((&b"abcdef"[..], vec![&b"abc"[..], &b"abc"[..]])) + ); + assert_eq!(cnt(&b"2ab"[..]), Err(Err::Incomplete(Needed::new(1)))); + assert_eq!(cnt(&b"3abcab"[..]), Err(Err::Incomplete(Needed::new(1)))); + assert_eq!( + cnt(&b"xxx"[..]), + Err(Err::Error(error_position!(&b"xxx"[..], ErrorKind::Digit))) + ); + assert_eq!( + cnt(&b"2abcxxx"[..]), + Err(Err::Error(error_position!(&b"xxx"[..], ErrorKind::Tag))) + ); +} + +#[test] +fn length_data_test() { + fn take(i: &[u8]) -> IResult<&[u8], &[u8]> { + length_data(number)(i) + } + + assert_eq!( + take(&b"6abcabcabcdef"[..]), + Ok((&b"abcdef"[..], &b"abcabc"[..])) + ); + assert_eq!(take(&b"3ab"[..]), Err(Err::Incomplete(Needed::new(1)))); + assert_eq!( + take(&b"xxx"[..]), + Err(Err::Error(error_position!(&b"xxx"[..], ErrorKind::Digit))) + ); + assert_eq!(take(&b"2abcxxx"[..]), Ok((&b"cxxx"[..], &b"ab"[..]))); +} + +#[test] +fn length_value_test() { + fn length_value_1(i: &[u8]) -> IResult<&[u8], u16> { + length_value(be_u8, be_u16)(i) + } + fn length_value_2(i: &[u8]) -> IResult<&[u8], (u8, u8)> { + length_value(be_u8, tuple((be_u8, be_u8)))(i) + } + + let i1 = [0, 5, 6]; + assert_eq!( + length_value_1(&i1), + Err(Err::Error(error_position!(&b""[..], ErrorKind::Complete))) + ); + assert_eq!( + length_value_2(&i1), + Err(Err::Error(error_position!(&b""[..], ErrorKind::Complete))) + ); + + let i2 = [1, 5, 6, 3]; + assert_eq!( + length_value_1(&i2), + Err(Err::Error(error_position!(&i2[1..2], ErrorKind::Complete))) + ); + assert_eq!( + length_value_2(&i2), + Err(Err::Error(error_position!(&i2[1..2], ErrorKind::Complete))) + ); + + let i3 = [2, 5, 6, 3, 4, 5, 7]; + assert_eq!(length_value_1(&i3), Ok((&i3[3..], 1286))); + assert_eq!(length_value_2(&i3), Ok((&i3[3..], (5, 6)))); + + let i4 = [3, 5, 6, 3, 4, 5]; + assert_eq!(length_value_1(&i4), Ok((&i4[4..], 1286))); + assert_eq!(length_value_2(&i4), Ok((&i4[4..], (5, 6)))); +} + +#[test] +#[cfg(feature = "alloc")] +fn fold_many0_test() { + fn fold_into_vec<T>(mut acc: Vec<T>, item: T) -> Vec<T> { + acc.push(item); + acc + } + fn multi(i: &[u8]) -> IResult<&[u8], Vec<&[u8]>> { + fold_many0(tag("abcd"), Vec::new, fold_into_vec)(i) + } + fn multi_empty(i: &[u8]) -> IResult<&[u8], Vec<&[u8]>> { + fold_many0(tag(""), Vec::new, fold_into_vec)(i) + } + + assert_eq!(multi(&b"abcdef"[..]), Ok((&b"ef"[..], vec![&b"abcd"[..]]))); + assert_eq!( + multi(&b"abcdabcdefgh"[..]), + Ok((&b"efgh"[..], vec![&b"abcd"[..], &b"abcd"[..]])) + ); + assert_eq!(multi(&b"azerty"[..]), Ok((&b"azerty"[..], Vec::new()))); + assert_eq!(multi(&b"abcdab"[..]), Err(Err::Incomplete(Needed::new(2)))); + assert_eq!(multi(&b"abcd"[..]), Err(Err::Incomplete(Needed::new(4)))); + assert_eq!(multi(&b""[..]), Err(Err::Incomplete(Needed::new(4)))); + assert_eq!( + multi_empty(&b"abcdef"[..]), + Err(Err::Error(error_position!( + &b"abcdef"[..], + ErrorKind::Many0 + ))) + ); +} + +#[test] +#[cfg(feature = "alloc")] +fn fold_many1_test() { + fn fold_into_vec<T>(mut acc: Vec<T>, item: T) -> Vec<T> { + acc.push(item); + acc + } + fn multi(i: &[u8]) -> IResult<&[u8], Vec<&[u8]>> { + fold_many1(tag("abcd"), Vec::new, fold_into_vec)(i) + } + + let a = &b"abcdef"[..]; + let b = &b"abcdabcdefgh"[..]; + let c = &b"azerty"[..]; + let d = &b"abcdab"[..]; + + let res1 = vec![&b"abcd"[..]]; + assert_eq!(multi(a), Ok((&b"ef"[..], res1))); + let res2 = vec![&b"abcd"[..], &b"abcd"[..]]; + assert_eq!(multi(b), Ok((&b"efgh"[..], res2))); + assert_eq!( + multi(c), + Err(Err::Error(error_position!(c, ErrorKind::Many1))) + ); + assert_eq!(multi(d), Err(Err::Incomplete(Needed::new(2)))); +} + +#[test] +#[cfg(feature = "alloc")] +fn fold_many_m_n_test() { + fn fold_into_vec<T>(mut acc: Vec<T>, item: T) -> Vec<T> { + acc.push(item); + acc + } + fn multi(i: &[u8]) -> IResult<&[u8], Vec<&[u8]>> { + fold_many_m_n(2, 4, tag("Abcd"), Vec::new, fold_into_vec)(i) + } + + let a = &b"Abcdef"[..]; + let b = &b"AbcdAbcdefgh"[..]; + let c = &b"AbcdAbcdAbcdAbcdefgh"[..]; + let d = &b"AbcdAbcdAbcdAbcdAbcdefgh"[..]; + let e = &b"AbcdAb"[..]; + + assert_eq!( + multi(a), + Err(Err::Error(error_position!(&b"ef"[..], ErrorKind::Tag))) + ); + let res1 = vec![&b"Abcd"[..], &b"Abcd"[..]]; + assert_eq!(multi(b), Ok((&b"efgh"[..], res1))); + let res2 = vec![&b"Abcd"[..], &b"Abcd"[..], &b"Abcd"[..], &b"Abcd"[..]]; + assert_eq!(multi(c), Ok((&b"efgh"[..], res2))); + let res3 = vec![&b"Abcd"[..], &b"Abcd"[..], &b"Abcd"[..], &b"Abcd"[..]]; + assert_eq!(multi(d), Ok((&b"Abcdefgh"[..], res3))); + assert_eq!(multi(e), Err(Err::Incomplete(Needed::new(2)))); +} + +#[test] +fn many0_count_test() { + fn count0_nums(i: &[u8]) -> IResult<&[u8], usize> { + many0_count(pair(digit, tag(",")))(i) + } + + assert_eq!(count0_nums(&b"123,junk"[..]), Ok((&b"junk"[..], 1))); + + assert_eq!(count0_nums(&b"123,45,junk"[..]), Ok((&b"junk"[..], 2))); + + assert_eq!( + count0_nums(&b"1,2,3,4,5,6,7,8,9,0,junk"[..]), + Ok((&b"junk"[..], 10)) + ); + + assert_eq!(count0_nums(&b"hello"[..]), Ok((&b"hello"[..], 0))); +} + +#[test] +fn many1_count_test() { + fn count1_nums(i: &[u8]) -> IResult<&[u8], usize> { + many1_count(pair(digit, tag(",")))(i) + } + + assert_eq!(count1_nums(&b"123,45,junk"[..]), Ok((&b"junk"[..], 2))); + + assert_eq!( + count1_nums(&b"1,2,3,4,5,6,7,8,9,0,junk"[..]), + Ok((&b"junk"[..], 10)) + ); + + assert_eq!( + count1_nums(&b"hello"[..]), + Err(Err::Error(error_position!( + &b"hello"[..], + ErrorKind::Many1Count + ))) + ); +} |