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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/rust/nom/src/multi/tests.rs
parentInitial commit. (diff)
downloadfirefox-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.rs534
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
+ )))
+ );
+}