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use super::*;
use snapbox::prelude::*;
use snapbox::str;
mod complete {
use super::*;
use proptest::prelude::*;
use crate::combinator::alt;
use crate::error::ErrMode;
use crate::error::InputError;
use crate::prelude::*;
use crate::stream::ParseSlice;
use crate::token::none_of;
use crate::token::one_of;
#[cfg(feature = "alloc")]
use crate::{lib::std::string::String, lib::std::vec::Vec};
#[test]
fn character() {
let a: &[u8] = b"abcd";
let b: &[u8] = b"1234";
let c: &[u8] = b"a123";
let d: &[u8] = "azé12".as_bytes();
let e: &[u8] = b" ";
let f: &[u8] = b" ;";
//assert_parse!(alpha1::<_, InputError>(a), str![]);
assert_parse!(
alpha1.parse_peek(a),
str![[r#"
Ok(
(
[],
[
97,
98,
99,
100,
],
),
)
"#]]
.raw()
);
assert_parse!(
alpha1.parse_peek(b),
str![[r#"
Err(
Backtrack(
InputError {
input: [
49,
50,
51,
52,
],
},
),
)
"#]]
.raw()
);
assert_parse!(
alpha1.parse_peek(c),
str![[r#"
Ok(
(
[
49,
50,
51,
],
[
97,
],
),
)
"#]]
.raw()
);
assert_parse!(
alpha1.parse_peek(d),
str![[r#"
Ok(
(
[
195,
169,
49,
50,
],
[
97,
122,
],
),
)
"#]]
.raw()
);
assert_parse!(
digit1.parse_peek(a),
str![[r#"
Err(
Backtrack(
InputError {
input: [
97,
98,
99,
100,
],
},
),
)
"#]]
.raw()
);
assert_parse!(
digit1.parse_peek(b),
str![[r#"
Ok(
(
[],
[
49,
50,
51,
52,
],
),
)
"#]]
.raw()
);
assert_parse!(
digit1.parse_peek(c),
str![[r#"
Err(
Backtrack(
InputError {
input: [
97,
49,
50,
51,
],
},
),
)
"#]]
.raw()
);
assert_parse!(
digit1.parse_peek(d),
str![[r#"
Err(
Backtrack(
InputError {
input: [
97,
122,
195,
169,
49,
50,
],
},
),
)
"#]]
.raw()
);
assert_parse!(
hex_digit1.parse_peek(a),
str![[r#"
Ok(
(
[],
[
97,
98,
99,
100,
],
),
)
"#]]
.raw()
);
assert_parse!(
hex_digit1.parse_peek(b),
str![[r#"
Ok(
(
[],
[
49,
50,
51,
52,
],
),
)
"#]]
.raw()
);
assert_parse!(
hex_digit1.parse_peek(c),
str![[r#"
Ok(
(
[],
[
97,
49,
50,
51,
],
),
)
"#]]
.raw()
);
assert_parse!(
hex_digit1.parse_peek(d),
str![[r#"
Ok(
(
[
122,
195,
169,
49,
50,
],
[
97,
],
),
)
"#]]
.raw()
);
assert_parse!(
hex_digit1.parse_peek(e),
str![[r#"
Err(
Backtrack(
InputError {
input: [
32,
],
},
),
)
"#]]
.raw()
);
assert_parse!(
oct_digit1.parse_peek(a),
str![[r#"
Err(
Backtrack(
InputError {
input: [
97,
98,
99,
100,
],
},
),
)
"#]]
.raw()
);
assert_parse!(
oct_digit1.parse_peek(b),
str![[r#"
Ok(
(
[],
[
49,
50,
51,
52,
],
),
)
"#]]
.raw()
);
assert_parse!(
oct_digit1.parse_peek(c),
str![[r#"
Err(
Backtrack(
InputError {
input: [
97,
49,
50,
51,
],
},
),
)
"#]]
.raw()
);
assert_parse!(
oct_digit1.parse_peek(d),
str![[r#"
Err(
Backtrack(
InputError {
input: [
97,
122,
195,
169,
49,
50,
],
},
),
)
"#]]
.raw()
);
assert_parse!(
alphanumeric1.parse_peek(a),
str![[r#"
Ok(
(
[],
[
97,
98,
99,
100,
],
),
)
"#]]
.raw()
);
//assert_parse!(fix_error!(b,(), alphanumeric), str![]);
assert_parse!(
alphanumeric1.parse_peek(c),
str![[r#"
Ok(
(
[],
[
97,
49,
50,
51,
],
),
)
"#]]
.raw()
);
assert_parse!(
alphanumeric1.parse_peek(d),
str![[r#"
Ok(
(
[
195,
169,
49,
50,
],
[
97,
122,
],
),
)
"#]]
.raw()
);
assert_parse!(
space1.parse_peek(e),
str![[r#"
Ok(
(
[],
[
32,
],
),
)
"#]]
.raw()
);
assert_parse!(
space1.parse_peek(f),
str![[r#"
Ok(
(
[
59,
],
[
32,
],
),
)
"#]]
.raw()
);
}
#[cfg(feature = "alloc")]
#[test]
fn character_s() {
let a = "abcd";
let b = "1234";
let c = "a123";
let d = "azé12";
let e = " ";
assert_parse!(
alpha1.parse_peek(a),
str![[r#"
Ok(
(
"",
"abcd",
),
)
"#]]
.raw()
);
assert_parse!(
alpha1.parse_peek(b),
str![[r#"
Err(
Backtrack(
InputError {
input: "1234",
},
),
)
"#]]
.raw()
);
assert_parse!(
alpha1.parse_peek(c),
str![[r#"
Ok(
(
"123",
"a",
),
)
"#]]
.raw()
);
assert_parse!(
alpha1.parse_peek(d),
str![[r#"
Ok(
(
"é12",
"az",
),
)
"#]]
.raw()
);
assert_parse!(
digit1.parse_peek(a),
str![[r#"
Err(
Backtrack(
InputError {
input: "abcd",
},
),
)
"#]]
.raw()
);
assert_parse!(
digit1.parse_peek(b),
str![[r#"
Ok(
(
"",
"1234",
),
)
"#]]
.raw()
);
assert_parse!(
digit1.parse_peek(c),
str![[r#"
Err(
Backtrack(
InputError {
input: "a123",
},
),
)
"#]]
.raw()
);
assert_parse!(
digit1.parse_peek(d),
str![[r#"
Err(
Backtrack(
InputError {
input: "azé12",
},
),
)
"#]]
.raw()
);
assert_parse!(
hex_digit1.parse_peek(a),
str![[r#"
Ok(
(
"",
"abcd",
),
)
"#]]
.raw()
);
assert_parse!(
hex_digit1.parse_peek(b),
str![[r#"
Ok(
(
"",
"1234",
),
)
"#]]
.raw()
);
assert_parse!(
hex_digit1.parse_peek(c),
str![[r#"
Ok(
(
"",
"a123",
),
)
"#]]
.raw()
);
assert_parse!(
hex_digit1.parse_peek(d),
str![[r#"
Ok(
(
"zé12",
"a",
),
)
"#]]
.raw()
);
assert_parse!(
hex_digit1.parse_peek(e),
str![[r#"
Err(
Backtrack(
InputError {
input: " ",
},
),
)
"#]]
.raw()
);
assert_parse!(
oct_digit1.parse_peek(a),
str![[r#"
Err(
Backtrack(
InputError {
input: "abcd",
},
),
)
"#]]
.raw()
);
assert_parse!(
oct_digit1.parse_peek(b),
str![[r#"
Ok(
(
"",
"1234",
),
)
"#]]
.raw()
);
assert_parse!(
oct_digit1.parse_peek(c),
str![[r#"
Err(
Backtrack(
InputError {
input: "a123",
},
),
)
"#]]
.raw()
);
assert_parse!(
oct_digit1.parse_peek(d),
str![[r#"
Err(
Backtrack(
InputError {
input: "azé12",
},
),
)
"#]]
.raw()
);
assert_parse!(
alphanumeric1.parse_peek(a),
str![[r#"
Ok(
(
"",
"abcd",
),
)
"#]]
.raw()
);
//assert_parse!(fix_error!(b,(), alphanumeric), str![]);
assert_parse!(
alphanumeric1.parse_peek(c),
str![[r#"
Ok(
(
"",
"a123",
),
)
"#]]
.raw()
);
assert_parse!(
alphanumeric1.parse_peek(d),
str![[r#"
Ok(
(
"é12",
"az",
),
)
"#]]
.raw()
);
assert_parse!(
space1.parse_peek(e),
str![[r#"
Ok(
(
"",
" ",
),
)
"#]]
.raw()
);
}
use crate::stream::Offset;
#[test]
fn offset() {
let a = &b"abcd;"[..];
let b = &b"1234;"[..];
let c = &b"a123;"[..];
let d = &b" \t;"[..];
let e = &b" \t\r\n;"[..];
let f = &b"123abcDEF;"[..];
match alpha1::<_, InputError<_>>.parse_peek(a) {
Ok((i, _)) => {
assert_eq!(i.offset_from(&a) + i.len(), a.len());
}
_ => panic!("wrong return type in offset test for alpha"),
}
match digit1::<_, InputError<_>>.parse_peek(b) {
Ok((i, _)) => {
assert_eq!(i.offset_from(&b) + i.len(), b.len());
}
_ => panic!("wrong return type in offset test for digit"),
}
match alphanumeric1::<_, InputError<_>>.parse_peek(c) {
Ok((i, _)) => {
assert_eq!(i.offset_from(&c) + i.len(), c.len());
}
_ => panic!("wrong return type in offset test for alphanumeric"),
}
match space1::<_, InputError<_>>.parse_peek(d) {
Ok((i, _)) => {
assert_eq!(i.offset_from(&d) + i.len(), d.len());
}
_ => panic!("wrong return type in offset test for space"),
}
match multispace1::<_, InputError<_>>.parse_peek(e) {
Ok((i, _)) => {
assert_eq!(i.offset_from(&e) + i.len(), e.len());
}
_ => panic!("wrong return type in offset test for multispace"),
}
match hex_digit1::<_, InputError<_>>.parse_peek(f) {
Ok((i, _)) => {
assert_eq!(i.offset_from(&f) + i.len(), f.len());
}
_ => panic!("wrong return type in offset test for hex_digit"),
}
match oct_digit1::<_, InputError<_>>.parse_peek(f) {
Ok((i, _)) => {
assert_eq!(i.offset_from(&f) + i.len(), f.len());
}
_ => panic!("wrong return type in offset test for oct_digit"),
}
}
#[test]
fn is_till_line_ending_bytes() {
let a: &[u8] = b"ab12cd\nefgh";
assert_parse!(
till_line_ending.parse_peek(a),
str![[r#"
Ok(
(
[
10,
101,
102,
103,
104,
],
[
97,
98,
49,
50,
99,
100,
],
),
)
"#]]
.raw()
);
let b: &[u8] = b"ab12cd\nefgh\nijkl";
assert_parse!(
till_line_ending.parse_peek(b),
str![[r#"
Ok(
(
[
10,
101,
102,
103,
104,
10,
105,
106,
107,
108,
],
[
97,
98,
49,
50,
99,
100,
],
),
)
"#]]
.raw()
);
let c: &[u8] = b"ab12cd\r\nefgh\nijkl";
assert_parse!(
till_line_ending.parse_peek(c),
str![[r#"
Ok(
(
[
13,
10,
101,
102,
103,
104,
10,
105,
106,
107,
108,
],
[
97,
98,
49,
50,
99,
100,
],
),
)
"#]]
.raw()
);
let d: &[u8] = b"ab12cd";
assert_parse!(
till_line_ending.parse_peek(d),
str![[r#"
Ok(
(
[],
[
97,
98,
49,
50,
99,
100,
],
),
)
"#]]
.raw()
);
}
#[test]
fn is_till_line_ending_str() {
let f = "βèƒôřè\rÂßÇáƒƭèř";
assert_parse!(
till_line_ending.parse_peek(f),
str![[r#"
Err(
Backtrack(
InputError {
input: "\rÂßÇáƒƭèř",
},
),
)
"#]]
.raw()
);
let g2: &str = "ab12cd";
assert_parse!(
till_line_ending.parse_peek(g2),
str![[r#"
Ok(
(
"",
"ab12cd",
),
)
"#]]
.raw()
);
}
#[test]
fn hex_digit_test() {
let i = &b"0123456789abcdefABCDEF;"[..];
assert_parse!(
hex_digit1.parse_peek(i),
str![[r#"
Ok(
(
[
59,
],
[
48,
49,
50,
51,
52,
53,
54,
55,
56,
57,
97,
98,
99,
100,
101,
102,
65,
66,
67,
68,
69,
70,
],
),
)
"#]]
.raw()
);
let i = &b"g"[..];
assert_parse!(
hex_digit1.parse_peek(i),
str![[r#"
Err(
Backtrack(
InputError {
input: [
103,
],
},
),
)
"#]]
.raw()
);
let i = &b"G"[..];
assert_parse!(
hex_digit1.parse_peek(i),
str![[r#"
Err(
Backtrack(
InputError {
input: [
71,
],
},
),
)
"#]]
.raw()
);
assert!(AsChar::is_hex_digit(b'0'));
assert!(AsChar::is_hex_digit(b'9'));
assert!(AsChar::is_hex_digit(b'a'));
assert!(AsChar::is_hex_digit(b'f'));
assert!(AsChar::is_hex_digit(b'A'));
assert!(AsChar::is_hex_digit(b'F'));
assert!(!AsChar::is_hex_digit(b'g'));
assert!(!AsChar::is_hex_digit(b'G'));
assert!(!AsChar::is_hex_digit(b'/'));
assert!(!AsChar::is_hex_digit(b':'));
assert!(!AsChar::is_hex_digit(b'@'));
assert!(!AsChar::is_hex_digit(b'\x60'));
}
#[test]
fn oct_digit_test() {
let i = &b"01234567;"[..];
assert_parse!(
oct_digit1.parse_peek(i),
str![[r#"
Ok(
(
[
59,
],
[
48,
49,
50,
51,
52,
53,
54,
55,
],
),
)
"#]]
.raw()
);
let i = &b"8"[..];
assert_parse!(
oct_digit1.parse_peek(i),
str![[r#"
Err(
Backtrack(
InputError {
input: [
56,
],
},
),
)
"#]]
.raw()
);
assert!(AsChar::is_oct_digit(b'0'));
assert!(AsChar::is_oct_digit(b'7'));
assert!(!AsChar::is_oct_digit(b'8'));
assert!(!AsChar::is_oct_digit(b'9'));
assert!(!AsChar::is_oct_digit(b'a'));
assert!(!AsChar::is_oct_digit(b'A'));
assert!(!AsChar::is_oct_digit(b'/'));
assert!(!AsChar::is_oct_digit(b':'));
assert!(!AsChar::is_oct_digit(b'@'));
assert!(!AsChar::is_oct_digit(b'\x60'));
}
#[test]
fn full_line_windows() {
#[allow(clippy::type_complexity)]
fn take_full_line<'i>(i: &mut &'i [u8]) -> TestResult<&'i [u8], (&'i [u8], &'i [u8])> {
(till_line_ending, line_ending).parse_next(i)
}
let input = b"abc\r\n";
let output = take_full_line.parse_peek(input);
assert_parse!(
output,
str![[r#"
Ok(
(
[],
(
[
97,
98,
99,
],
[
13,
10,
],
),
),
)
"#]]
.raw()
);
}
#[test]
fn full_line_unix() {
#[allow(clippy::type_complexity)]
fn take_full_line<'i>(i: &mut &'i [u8]) -> TestResult<&'i [u8], (&'i [u8], &'i [u8])> {
(till_line_ending, line_ending).parse_next(i)
}
let input = b"abc\n";
let output = take_full_line.parse_peek(input);
assert_parse!(
output,
str![[r#"
Ok(
(
[],
(
[
97,
98,
99,
],
[
10,
],
),
),
)
"#]]
.raw()
);
}
#[test]
fn check_windows_lineending() {
let input = b"\r\n";
let output = line_ending.parse_peek(&input[..]);
assert_parse!(
output,
str![[r#"
Ok(
(
[],
[
13,
10,
],
),
)
"#]]
.raw()
);
}
#[test]
fn check_unix_lineending() {
let input = b"\n";
let output = line_ending.parse_peek(&input[..]);
assert_parse!(
output,
str![[r#"
Ok(
(
[],
[
10,
],
),
)
"#]]
.raw()
);
}
#[test]
fn cr_lf() {
assert_parse!(
crlf.parse_peek(&b"\r\na"[..]),
str![[r#"
Ok(
(
[
97,
],
[
13,
10,
],
),
)
"#]]
.raw()
);
assert_parse!(
crlf.parse_peek(&b"\r"[..]),
str![[r#"
Err(
Backtrack(
InputError {
input: [
13,
],
},
),
)
"#]]
.raw()
);
assert_parse!(
crlf.parse_peek(&b"\ra"[..]),
str![[r#"
Err(
Backtrack(
InputError {
input: [
13,
97,
],
},
),
)
"#]]
.raw()
);
assert_parse!(
crlf.parse_peek("\r\na"),
str![[r#"
Ok(
(
"a",
"\r\n",
),
)
"#]]
.raw()
);
assert_parse!(
crlf.parse_peek("\r"),
str![[r#"
Err(
Backtrack(
InputError {
input: "\r",
},
),
)
"#]]
.raw()
);
assert_parse!(
crlf.parse_peek("\ra"),
str![[r#"
Err(
Backtrack(
InputError {
input: "\ra",
},
),
)
"#]]
.raw()
);
}
#[test]
fn end_of_line() {
assert_parse!(
line_ending.parse_peek(&b"\na"[..]),
str![[r#"
Ok(
(
[
97,
],
[
10,
],
),
)
"#]]
.raw()
);
assert_parse!(
line_ending.parse_peek(&b"\r\na"[..]),
str![[r#"
Ok(
(
[
97,
],
[
13,
10,
],
),
)
"#]]
.raw()
);
assert_parse!(
line_ending.parse_peek(&b"\r"[..]),
str![[r#"
Err(
Backtrack(
InputError {
input: [
13,
],
},
),
)
"#]]
.raw()
);
assert_parse!(
line_ending.parse_peek(&b"\ra"[..]),
str![[r#"
Err(
Backtrack(
InputError {
input: [
13,
97,
],
},
),
)
"#]]
.raw()
);
assert_parse!(
line_ending.parse_peek("\na"),
str![[r#"
Ok(
(
"a",
"\n",
),
)
"#]]
.raw()
);
assert_parse!(
line_ending.parse_peek("\r\na"),
str![[r#"
Ok(
(
"a",
"\r\n",
),
)
"#]]
.raw()
);
assert_parse!(
line_ending.parse_peek("\r"),
str![[r#"
Err(
Backtrack(
InputError {
input: "\r",
},
),
)
"#]]
.raw()
);
assert_parse!(
line_ending.parse_peek("\ra"),
str![[r#"
Err(
Backtrack(
InputError {
input: "\ra",
},
),
)
"#]]
.raw()
);
}
#[test]
fn dec_uint_tests() {
fn dec_u32<'i>(input: &mut &'i [u8]) -> TestResult<&'i [u8], u32> {
dec_uint.parse_next(input)
}
assert_parse!(
dec_u32.parse_peek(&b";"[..]),
str![[r#"
Err(
Backtrack(
InputError {
input: [
59,
],
},
),
)
"#]]
.raw()
);
assert_parse!(
dec_u32.parse_peek(&b"0;"[..]),
str![[r#"
Ok(
(
[
59,
],
0,
),
)
"#]]
.raw()
);
assert_parse!(
dec_u32.parse_peek(&b"1;"[..]),
str![[r#"
Ok(
(
[
59,
],
1,
),
)
"#]]
.raw()
);
assert_parse!(
dec_u32.parse_peek(&b"32;"[..]),
str![[r#"
Ok(
(
[
59,
],
32,
),
)
"#]]
.raw()
);
assert_parse!(
dec_u32.parse_peek(&b"1000000000000000000000;"[..]), // overflow
str![[r#"
Err(
Backtrack(
InputError {
input: [
49,
48,
48,
48,
48,
48,
48,
48,
48,
48,
48,
48,
48,
48,
48,
48,
48,
48,
48,
48,
48,
48,
59,
],
},
),
)
"#]]
.raw()
);
}
#[test]
fn dec_int_tests() {
fn dec_i32<'i>(input: &mut &'i [u8]) -> TestResult<&'i [u8], i32> {
dec_int.parse_next(input)
}
assert_parse!(
dec_i32.parse_peek(&b";"[..]),
str![[r#"
Err(
Backtrack(
InputError {
input: [
59,
],
},
),
)
"#]]
.raw()
);
assert_parse!(
dec_i32.parse_peek(&b"0;"[..]),
str![[r#"
Ok(
(
[
59,
],
0,
),
)
"#]]
.raw()
);
assert_parse!(
dec_i32.parse_peek(&b"1;"[..]),
str![[r#"
Ok(
(
[
59,
],
1,
),
)
"#]]
.raw()
);
assert_parse!(
dec_i32.parse_peek(&b"32;"[..]),
str![[r#"
Ok(
(
[
59,
],
32,
),
)
"#]]
.raw()
);
assert_parse!(
dec_i32.parse_peek(&b"-0;"[..]),
str![[r#"
Err(
Backtrack(
InputError {
input: [
45,
48,
59,
],
},
),
)
"#]]
.raw()
);
assert_parse!(
dec_i32.parse_peek(&b"-1;"[..]),
str![[r#"
Ok(
(
[
59,
],
-1,
),
)
"#]]
.raw()
);
assert_parse!(
dec_i32.parse_peek(&b"-32;"[..]),
str![[r#"
Ok(
(
[
59,
],
-32,
),
)
"#]]
.raw()
);
assert_parse!(
dec_i32.parse_peek(&b"1000000000000000000000;"[..]), // overflow
str![[r#"
Err(
Backtrack(
InputError {
input: [
49,
48,
48,
48,
48,
48,
48,
48,
48,
48,
48,
48,
48,
48,
48,
48,
48,
48,
48,
48,
48,
48,
59,
],
},
),
)
"#]]
.raw()
);
}
#[test]
fn hex_uint_tests() {
fn hex_u32<'i>(input: &mut &'i [u8]) -> TestResult<&'i [u8], u32> {
hex_uint.parse_next(input)
}
assert_parse!(
hex_u32.parse_peek(&b";"[..]),
str![[r#"
Err(
Backtrack(
InputError {
input: [
59,
],
},
),
)
"#]]
.raw()
);
assert_parse!(
hex_u32.parse_peek(&b"ff;"[..]),
str![[r#"
Ok(
(
[
59,
],
255,
),
)
"#]]
.raw()
);
assert_parse!(
hex_u32.parse_peek(&b"1be2;"[..]),
str![[r#"
Ok(
(
[
59,
],
7138,
),
)
"#]]
.raw()
);
assert_parse!(
hex_u32.parse_peek(&b"c5a31be2;"[..]),
str![[r#"
Ok(
(
[
59,
],
3315801058,
),
)
"#]]
.raw()
);
assert_parse!(
hex_u32.parse_peek(&b"C5A31be2;"[..]),
str![[r#"
Ok(
(
[
59,
],
3315801058,
),
)
"#]]
.raw()
);
assert_parse!(
hex_u32.parse_peek(&b"00c5a31be2;"[..]), // overflow
str![[r#"
Err(
Backtrack(
InputError {
input: [
48,
48,
99,
53,
97,
51,
49,
98,
101,
50,
59,
],
},
),
)
"#]]
.raw()
);
assert_parse!(
hex_u32.parse_peek(&b"c5a31be201;"[..]), // overflow
str![[r#"
Err(
Backtrack(
InputError {
input: [
99,
53,
97,
51,
49,
98,
101,
50,
48,
49,
59,
],
},
),
)
"#]]
.raw()
);
assert_parse!(
hex_u32.parse_peek(&b"ffffffff;"[..]),
str![[r#"
Ok(
(
[
59,
],
4294967295,
),
)
"#]]
.raw()
);
assert_parse!(
hex_u32.parse_peek(&b"ffffffffffffffff;"[..]), // overflow
str![[r#"
Err(
Backtrack(
InputError {
input: [
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
59,
],
},
),
)
"#]]
.raw()
);
assert_parse!(
hex_u32.parse_peek(&b"ffffffffffffffff"[..]), // overflow
str![[r#"
Err(
Backtrack(
InputError {
input: [
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
],
},
),
)
"#]]
.raw()
);
assert_parse!(
hex_u32.parse_peek(&b"0x1be2;"[..]),
str![[r#"
Ok(
(
[
120,
49,
98,
101,
50,
59,
],
0,
),
)
"#]]
.raw()
);
assert_parse!(
hex_u32.parse_peek(&b"12af"[..]),
str![[r#"
Ok(
(
[],
4783,
),
)
"#]]
.raw()
);
}
#[test]
#[cfg(feature = "std")]
fn float_test() {
let test_cases = [
"+3.14",
"3.14",
"-3.14",
"0",
"0.0",
"1.",
".789",
"-.5",
"1e7",
"-1E-7",
".3e-2",
"1.e4",
"1.2e4",
"12.34",
"-1.234E-12",
"-1.234e-12",
"0.00000000000000000087",
"inf",
"Inf",
"infinity",
"Infinity",
"-inf",
"-Inf",
"-infinity",
"-Infinity",
"+inf",
"+Inf",
"+infinity",
"+Infinity",
];
for test in test_cases {
let expected32 = str::parse::<f32>(test).unwrap();
let expected64 = str::parse::<f64>(test).unwrap();
println!("now parsing: {test} -> {expected32}");
assert_eq!(
float::<_, _, InputError<_>>.parse_peek(test.as_bytes()),
Ok((&b""[..], expected32))
);
assert_eq!(
float::<_, _, InputError<_>>.parse_peek(test),
Ok(("", expected32))
);
assert_eq!(
float::<_, _, InputError<_>>.parse_peek(test.as_bytes()),
Ok((&b""[..], expected64))
);
assert_eq!(
float::<_, _, InputError<_>>.parse_peek(test),
Ok(("", expected64))
);
}
let remaining_exponent = "-1.234E-";
assert_parse!(
float::<_, f64, _>.parse_peek(remaining_exponent),
str![[r#"
Err(
Backtrack(
InputError {
input: "",
},
),
)
"#]]
.raw()
);
let nan_test_cases = ["nan", "NaN", "NAN"];
for test in nan_test_cases {
println!("now parsing: {test}");
let (remaining, parsed) = float::<_, f32, ()>.parse_peek(test.as_bytes()).unwrap();
assert!(parsed.is_nan());
assert!(remaining.is_empty());
let (remaining, parsed) = float::<_, f32, ()>.parse_peek(test).unwrap();
assert!(parsed.is_nan());
assert!(remaining.is_empty());
let (remaining, parsed) = float::<_, f64, ()>.parse_peek(test.as_bytes()).unwrap();
assert!(parsed.is_nan());
assert!(remaining.is_empty());
let (remaining, parsed) = float::<_, f64, ()>.parse_peek(test).unwrap();
assert!(parsed.is_nan());
assert!(remaining.is_empty());
}
}
proptest! {
#[test]
#[cfg(feature = "std")]
fn floats(s in "\\PC*") {
println!("testing {s}");
let res1 = parse_f64.parse_peek(&s);
let res2 = float::<_, f64, ErrMode<()>>.parse_peek(s.as_str());
assert_eq!(res1, res2);
}
}
#[cfg(feature = "std")]
fn parse_f64(i: &mut &str) -> ModalResult<f64, ()> {
match take_float_or_exceptions.parse_next(i) {
Err(e) => Err(e),
Ok(s) => {
if s.is_empty() {
return Err(ErrMode::Backtrack(()));
}
match s.parse_slice() {
Some(n) => Ok(n),
None => Err(ErrMode::Backtrack(())),
}
}
}
}
// issue #1336 "take_escaped hangs if normal parser accepts empty"
#[test]
#[cfg_attr(debug_assertions, should_panic)]
fn complete_take_escaped_hang_1() {
// issue #1336 "take_escaped hangs if normal parser accepts empty"
fn escaped_string<'i>(input: &mut &'i str) -> TestResult<&'i str, &'i str> {
use crate::ascii::alpha0;
use crate::token::one_of;
take_escaped(alpha0, '\\', one_of(['n'])).parse_next(input)
}
let input = "7";
assert_parse!(
escaped_string.parse_peek(input),
str![[r#"
Err(
Cut(
InputError {
input: "7",
},
),
)
"#]]
);
}
// issue #1336 "take_escaped hangs if normal parser accepts empty"
#[test]
#[cfg_attr(debug_assertions, should_panic)]
fn complete_take_escaped_hang_2() {
// issue #1336 "take_escaped hangs if normal parser accepts empty"
fn escaped_string<'i>(input: &mut &'i str) -> TestResult<&'i str, &'i str> {
use crate::ascii::alpha0;
use crate::token::one_of;
take_escaped(alpha0, '\\', one_of(['n'])).parse_next(input)
}
let input = "a7";
assert_parse!(
escaped_string.parse_peek(input),
str![[r#"
Err(
Cut(
InputError {
input: "7",
},
),
)
"#]]
);
}
#[test]
#[cfg_attr(debug_assertions, should_panic)]
fn complete_take_escaped_hang_1118() {
// issue ##1118 take_escaped does not work with empty string
fn unquote<'i>(input: &mut &'i str) -> TestResult<&'i str, &'i str> {
use crate::combinator::delimited;
use crate::combinator::opt;
use crate::token::one_of;
delimited(
'"',
take_escaped(
opt(none_of(['\\', '"'])),
'\\',
one_of(['\\', '"', 'r', 'n', 't']),
),
'"',
)
.parse_next(input)
}
let input = r#""""#;
assert_parse!(
unquote.parse_peek(input),
str![[r#"
Err(
Cut(
InputError {
input: "/"",
},
),
)
"#]]
);
}
#[cfg(feature = "alloc")]
#[allow(unused_variables)]
#[test]
fn complete_escaping() {
use crate::ascii::{alpha1 as alpha, digit1 as digit};
use crate::token::one_of;
fn esc<'i>(i: &mut &'i [u8]) -> TestResult<&'i [u8], &'i [u8]> {
take_escaped(alpha, '\\', one_of(['\"', 'n', '\\'])).parse_next(i)
}
assert_parse!(
esc.parse_peek(&b"abcd;"[..]),
str![[r#"
Ok(
(
[
59,
],
[
97,
98,
99,
100,
],
),
)
"#]]
.raw()
);
assert_parse!(
esc.parse_peek(&b"ab\\\"cd;"[..]),
str![[r#"
Ok(
(
[
59,
],
[
97,
98,
92,
34,
99,
100,
],
),
)
"#]]
.raw()
);
assert_parse!(
esc.parse_peek(&b"\\\"abcd;"[..]),
str![[r#"
Ok(
(
[
59,
],
[
92,
34,
97,
98,
99,
100,
],
),
)
"#]]
.raw()
);
assert_parse!(
esc.parse_peek(&b"\\n;"[..]),
str![[r#"
Ok(
(
[
59,
],
[
92,
110,
],
),
)
"#]]
.raw()
);
assert_parse!(
esc.parse_peek(&b"ab\\\"12"[..]),
str![[r#"
Ok(
(
[
49,
50,
],
[
97,
98,
92,
34,
],
),
)
"#]]
.raw()
);
assert_parse!(
esc.parse_peek(&b"AB\\"[..]),
str![[r#"
Err(
Backtrack(
InputError {
input: [],
},
),
)
"#]]
.raw()
);
assert_parse!(
esc.parse_peek(&b"AB\\A"[..]),
str![[r#"
Err(
Backtrack(
InputError {
input: [
65,
],
},
),
)
"#]]
.raw()
);
fn esc2<'i>(i: &mut &'i [u8]) -> TestResult<&'i [u8], &'i [u8]> {
take_escaped(digit, '\\', one_of(['\"', 'n', '\\'])).parse_next(i)
}
assert_parse!(
esc2.parse_peek(&b"12\\nnn34"[..]),
str![[r#"
Ok(
(
[
110,
110,
51,
52,
],
[
49,
50,
92,
110,
],
),
)
"#]]
.raw()
);
}
#[cfg(feature = "alloc")]
#[test]
fn complete_escaping_str() {
use crate::ascii::{alpha1 as alpha, digit1 as digit};
use crate::token::one_of;
fn esc<'i>(i: &mut &'i str) -> TestResult<&'i str, &'i str> {
take_escaped(alpha, '\\', one_of(['\"', 'n', '\\'])).parse_next(i)
}
assert_parse!(
esc.parse_peek("abcd;"),
str![[r#"
Ok(
(
";",
"abcd",
),
)
"#]]
.raw()
);
assert_parse!(
esc.parse_peek("ab\\\"cd;"),
str![[r#"
Ok(
(
";",
"ab\\\"cd",
),
)
"#]]
.raw()
);
assert_parse!(
esc.parse_peek("\\\"abcd;"),
str![[r#"
Ok(
(
";",
"\\\"abcd",
),
)
"#]]
.raw()
);
assert_parse!(
esc.parse_peek("\\n;"),
str![[r#"
Ok(
(
";",
"\\n",
),
)
"#]]
.raw()
);
assert_parse!(
esc.parse_peek("ab\\\"12"),
str![[r#"
Ok(
(
"12",
"ab\\\"",
),
)
"#]]
.raw()
);
assert_parse!(
esc.parse_peek("AB\\"),
str![[r#"
Err(
Backtrack(
InputError {
input: "",
},
),
)
"#]]
.raw()
);
assert_parse!(
esc.parse_peek("AB\\A"),
str![[r#"
Err(
Backtrack(
InputError {
input: "A",
},
),
)
"#]]
.raw()
);
fn esc2<'i>(i: &mut &'i str) -> TestResult<&'i str, &'i str> {
take_escaped(digit, '\\', one_of(['\"', 'n', '\\'])).parse_next(i)
}
assert_parse!(
esc2.parse_peek("12\\nnn34"),
str![[r#"
Ok(
(
"nn34",
"12\\n",
),
)
"#]]
.raw()
);
fn esc3<'i>(i: &mut &'i str) -> TestResult<&'i str, &'i str> {
take_escaped(alpha, '\u{241b}', one_of(['\"', 'n'])).parse_next(i)
}
assert_parse!(
esc3.parse_peek("ab␛ncd;"),
str![[r#"
Ok(
(
";",
"ab␛ncd",
),
)
"#]]
.raw()
);
}
#[test]
fn test_take_escaped_error() {
fn esc<'i>(i: &mut &'i str) -> TestResult<&'i str, &'i str> {
use crate::ascii::digit1;
take_escaped(digit1, '\\', one_of(['\"', 'n', '\\'])).parse_next(i)
}
assert_parse!(
esc.parse_peek("abcd"),
str![[r#"
Ok(
(
"abcd",
"",
),
)
"#]]
.raw()
);
}
#[cfg(feature = "alloc")]
#[test]
fn complete_escape_transform() {
use crate::ascii::alpha1 as alpha;
#[cfg(feature = "alloc")]
fn to_s(i: Vec<u8>) -> String {
String::from_utf8_lossy(&i).into_owned()
}
fn esc<'i>(i: &mut &'i [u8]) -> TestResult<&'i [u8], String> {
escaped(alpha, '\\', alt((b'\\', b'"', "n".value(b'\n'))))
.map(to_s)
.parse_next(i)
}
assert_parse!(
esc.parse_peek(&b"abcd;"[..]),
str![[r#"
Ok(
(
[
59,
],
"abcd",
),
)
"#]]
.raw()
);
assert_parse!(
esc.parse_peek(&b"ab\\\"cd;"[..]),
str![[r#"
Ok(
(
[
59,
],
"ab\"cd",
),
)
"#]]
.raw()
);
assert_parse!(
esc.parse_peek(&b"\\\"abcd;"[..]),
str![[r#"
Ok(
(
[
59,
],
"\"abcd",
),
)
"#]]
.raw()
);
assert_parse!(
esc.parse_peek(&b"\\n;"[..]),
str![[r#"
Ok(
(
[
59,
],
"\n",
),
)
"#]]
.raw()
);
assert_parse!(
esc.parse_peek(&b"ab\\\"12"[..]),
str![[r#"
Ok(
(
[
49,
50,
],
"ab\"",
),
)
"#]]
.raw()
);
assert_parse!(
esc.parse_peek(&b"AB\\"[..]),
str![[r#"
Err(
Backtrack(
InputError {
input: [],
},
),
)
"#]]
.raw()
);
assert_parse!(
esc.parse_peek(&b"AB\\A"[..]),
str![[r#"
Err(
Backtrack(
InputError {
input: [
65,
],
},
),
)
"#]]
.raw()
);
fn esc2<'i>(i: &mut &'i [u8]) -> TestResult<&'i [u8], String> {
escaped(
alpha,
'&',
alt((
"egrave;".value("è".as_bytes()),
"agrave;".value("à".as_bytes()),
)),
)
.map(to_s)
.parse_next(i)
}
assert_parse!(
esc2.parse_peek(&b"abèDEF;"[..]),
str![[r#"
Ok(
(
[
59,
],
"abèDEF",
),
)
"#]]
.raw()
);
assert_parse!(
esc2.parse_peek(&b"abèDàEF;"[..]),
str![[r#"
Ok(
(
[
59,
],
"abèDàEF",
),
)
"#]]
.raw()
);
}
#[cfg(feature = "std")]
#[test]
fn complete_escape_transform_str() {
use crate::ascii::alpha1 as alpha;
fn esc<'i>(i: &mut &'i str) -> TestResult<&'i str, String> {
escaped(
alpha,
'\\',
alt((
'\\',
'"',
"n".value('\n'),
("x", hex_uint).map(|(_, hex)| char::from_u32(hex).unwrap()),
)),
)
.parse_next(i)
}
assert_parse!(
esc.parse_peek("abcd;"),
str![[r#"
Ok(
(
";",
"abcd",
),
)
"#]]
.raw()
);
assert_parse!(
esc.parse_peek("ab\\\"cd;"),
str![[r#"
Ok(
(
";",
"ab\"cd",
),
)
"#]]
.raw()
);
assert_parse!(
esc.parse_peek("\\\"abcd;"),
str![[r#"
Ok(
(
";",
"\"abcd",
),
)
"#]]
.raw()
);
assert_parse!(
esc.parse_peek("\\n;"),
str![[r#"
Ok(
(
";",
"\n",
),
)
"#]]
.raw()
);
assert_parse!(
esc.parse_peek("ab\\\"12"),
str![[r#"
Ok(
(
"12",
"ab\"",
),
)
"#]]
.raw()
);
assert_parse!(
esc.parse_peek("ab\\x20"),
str![[r#"
Ok(
(
"",
"ab ",
),
)
"#]]
.raw()
);
assert_parse!(
esc.parse_peek("AB\\"),
str![[r#"
Err(
Backtrack(
InputError {
input: "",
},
),
)
"#]]
.raw()
);
assert_parse!(
esc.parse_peek("AB\\A"),
str![[r#"
Err(
Backtrack(
InputError {
input: "A",
},
),
)
"#]]
.raw()
);
fn esc2<'i>(i: &mut &'i str) -> TestResult<&'i str, String> {
escaped(
alpha,
'&',
alt(("egrave;".value("è"), "agrave;".value("à"))),
)
.parse_next(i)
}
assert_parse!(
esc2.parse_peek("abèDEF;"),
str![[r#"
Ok(
(
";",
"abèDEF",
),
)
"#]]
.raw()
);
assert_parse!(
esc2.parse_peek("abèDàEF;"),
str![[r#"
Ok(
(
";",
"abèDàEF",
),
)
"#]]
.raw()
);
fn esc3<'i>(i: &mut &'i str) -> TestResult<&'i str, String> {
escaped(alpha, '␛', alt(("0".value("\0"), "n".value("\n")))).parse_next(i)
}
assert_parse!(
esc3.parse_peek("a␛0bc␛n"),
str![[r#"
Ok(
(
"",
"a\0bc\n",
),
)
"#]]
.raw()
);
}
#[test]
#[cfg(feature = "alloc")]
fn test_escaped_error() {
fn esc_trans<'i>(i: &mut &'i str) -> TestResult<&'i str, String> {
use crate::ascii::digit1;
escaped(digit1, '\\', "n").parse_next(i)
}
assert_parse!(
esc_trans.parse_peek("abcd"),
str![[r#"
Ok(
(
"abcd",
"",
),
)
"#]]
.raw()
);
}
}
mod partial {
use super::*;
use crate::error::InputError;
use crate::prelude::*;
use crate::Partial;
#[test]
fn character() {
let a: &[u8] = b"abcd";
let b: &[u8] = b"1234";
let c: &[u8] = b"a123";
let d: &[u8] = "azé12".as_bytes();
let e: &[u8] = b" ";
let f: &[u8] = b" ;";
//assert_parse!(alpha1::<_, Error<_>>(a), Err(ErrMode::Incomplete(Needed::new(1))));
assert_parse!(
alpha1.parse_peek(Partial::new(a)),
str![[r#"
Err(
Incomplete(
Size(
1,
),
),
)
"#]]
.raw()
);
assert_parse!(
alpha1.parse_peek(Partial::new(b)),
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: [
49,
50,
51,
52,
],
partial: true,
},
},
),
)
"#]]
.raw()
);
assert_parse!(
alpha1.parse_peek(Partial::new(c)),
str![[r#"
Ok(
(
Partial {
input: [
49,
50,
51,
],
partial: true,
},
[
97,
],
),
)
"#]]
.raw()
);
assert_parse!(
alpha1.parse_peek(Partial::new(d)),
str![[r#"
Ok(
(
Partial {
input: [
195,
169,
49,
50,
],
partial: true,
},
[
97,
122,
],
),
)
"#]]
.raw()
);
assert_parse!(
digit1.parse_peek(Partial::new(a)),
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: [
97,
98,
99,
100,
],
partial: true,
},
},
),
)
"#]]
.raw()
);
assert_parse!(
digit1.parse_peek(Partial::new(b)),
str![[r#"
Err(
Incomplete(
Size(
1,
),
),
)
"#]]
.raw()
);
assert_parse!(
digit1.parse_peek(Partial::new(c)),
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: [
97,
49,
50,
51,
],
partial: true,
},
},
),
)
"#]]
.raw()
);
assert_parse!(
digit1.parse_peek(Partial::new(d)),
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: [
97,
122,
195,
169,
49,
50,
],
partial: true,
},
},
),
)
"#]]
.raw()
);
assert_parse!(
hex_digit1.parse_peek(Partial::new(a)),
str![[r#"
Err(
Incomplete(
Size(
1,
),
),
)
"#]]
.raw()
);
assert_parse!(
hex_digit1.parse_peek(Partial::new(b)),
str![[r#"
Err(
Incomplete(
Size(
1,
),
),
)
"#]]
.raw()
);
assert_parse!(
hex_digit1.parse_peek(Partial::new(c)),
str![[r#"
Err(
Incomplete(
Size(
1,
),
),
)
"#]]
.raw()
);
assert_parse!(
hex_digit1.parse_peek(Partial::new(d)),
str![[r#"
Ok(
(
Partial {
input: [
122,
195,
169,
49,
50,
],
partial: true,
},
[
97,
],
),
)
"#]]
.raw()
);
assert_parse!(
hex_digit1.parse_peek(Partial::new(e)),
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: [
32,
],
partial: true,
},
},
),
)
"#]]
.raw()
);
assert_parse!(
oct_digit1.parse_peek(Partial::new(a)),
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: [
97,
98,
99,
100,
],
partial: true,
},
},
),
)
"#]]
.raw()
);
assert_parse!(
oct_digit1.parse_peek(Partial::new(b)),
str![[r#"
Err(
Incomplete(
Size(
1,
),
),
)
"#]]
.raw()
);
assert_parse!(
oct_digit1.parse_peek(Partial::new(c)),
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: [
97,
49,
50,
51,
],
partial: true,
},
},
),
)
"#]]
.raw()
);
assert_parse!(
oct_digit1.parse_peek(Partial::new(d)),
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: [
97,
122,
195,
169,
49,
50,
],
partial: true,
},
},
),
)
"#]]
.raw()
);
assert_parse!(
alphanumeric1.parse_peek(Partial::new(a)),
str![[r#"
Err(
Incomplete(
Size(
1,
),
),
)
"#]]
.raw()
);
//assert_parse!(fix_error!(b,(), alphanumeric1), str![]);
assert_parse!(
alphanumeric1.parse_peek(Partial::new(c)),
str![[r#"
Err(
Incomplete(
Size(
1,
),
),
)
"#]]
.raw()
);
assert_parse!(
alphanumeric1.parse_peek(Partial::new(d)),
str![[r#"
Ok(
(
Partial {
input: [
195,
169,
49,
50,
],
partial: true,
},
[
97,
122,
],
),
)
"#]]
.raw()
);
assert_parse!(
space1.parse_peek(Partial::new(e)),
str![[r#"
Err(
Incomplete(
Size(
1,
),
),
)
"#]]
.raw()
);
assert_parse!(
space1.parse_peek(Partial::new(f)),
str![[r#"
Ok(
(
Partial {
input: [
59,
],
partial: true,
},
[
32,
],
),
)
"#]]
.raw()
);
}
#[cfg(feature = "alloc")]
#[test]
fn character_s() {
let a = "abcd";
let b = "1234";
let c = "a123";
let d = "azé12";
let e = " ";
assert_parse!(
alpha1.parse_peek(Partial::new(a)),
str![[r#"
Err(
Incomplete(
Size(
1,
),
),
)
"#]]
.raw()
);
assert_parse!(
alpha1.parse_peek(Partial::new(b)),
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: "1234",
partial: true,
},
},
),
)
"#]]
.raw()
);
assert_parse!(
alpha1.parse_peek(Partial::new(c)),
str![[r#"
Ok(
(
Partial {
input: "123",
partial: true,
},
"a",
),
)
"#]]
.raw()
);
assert_parse!(
alpha1.parse_peek(Partial::new(d)),
str![[r#"
Ok(
(
Partial {
input: "é12",
partial: true,
},
"az",
),
)
"#]]
.raw()
);
assert_parse!(
digit1.parse_peek(Partial::new(a)),
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: "abcd",
partial: true,
},
},
),
)
"#]]
.raw()
);
assert_parse!(
digit1.parse_peek(Partial::new(b)),
str![[r#"
Err(
Incomplete(
Size(
1,
),
),
)
"#]]
.raw()
);
assert_parse!(
digit1.parse_peek(Partial::new(c)),
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: "a123",
partial: true,
},
},
),
)
"#]]
.raw()
);
assert_parse!(
digit1.parse_peek(Partial::new(d)),
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: "azé12",
partial: true,
},
},
),
)
"#]]
.raw()
);
assert_parse!(
hex_digit1.parse_peek(Partial::new(a)),
str![[r#"
Err(
Incomplete(
Size(
1,
),
),
)
"#]]
.raw()
);
assert_parse!(
hex_digit1.parse_peek(Partial::new(b)),
str![[r#"
Err(
Incomplete(
Size(
1,
),
),
)
"#]]
.raw()
);
assert_parse!(
hex_digit1.parse_peek(Partial::new(c)),
str![[r#"
Err(
Incomplete(
Size(
1,
),
),
)
"#]]
.raw()
);
assert_parse!(
hex_digit1.parse_peek(Partial::new(d)),
str![[r#"
Ok(
(
Partial {
input: "zé12",
partial: true,
},
"a",
),
)
"#]]
.raw()
);
assert_parse!(
hex_digit1.parse_peek(Partial::new(e)),
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: " ",
partial: true,
},
},
),
)
"#]]
.raw()
);
assert_parse!(
oct_digit1.parse_peek(Partial::new(a)),
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: "abcd",
partial: true,
},
},
),
)
"#]]
.raw()
);
assert_parse!(
oct_digit1.parse_peek(Partial::new(b)),
str![[r#"
Err(
Incomplete(
Size(
1,
),
),
)
"#]]
.raw()
);
assert_parse!(
oct_digit1.parse_peek(Partial::new(c)),
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: "a123",
partial: true,
},
},
),
)
"#]]
.raw()
);
assert_parse!(
oct_digit1.parse_peek(Partial::new(d)),
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: "azé12",
partial: true,
},
},
),
)
"#]]
.raw()
);
assert_parse!(
alphanumeric1.parse_peek(Partial::new(a)),
str![[r#"
Err(
Incomplete(
Size(
1,
),
),
)
"#]]
.raw()
);
//assert_parse!(fix_error!(b,(), alphanumeric1), str![]);
assert_parse!(
alphanumeric1.parse_peek(Partial::new(c)),
str![[r#"
Err(
Incomplete(
Size(
1,
),
),
)
"#]]
.raw()
);
assert_parse!(
alphanumeric1.parse_peek(Partial::new(d)),
str![[r#"
Ok(
(
Partial {
input: "é12",
partial: true,
},
"az",
),
)
"#]]
.raw()
);
assert_parse!(
space1.parse_peek(Partial::new(e)),
str![[r#"
Err(
Incomplete(
Size(
1,
),
),
)
"#]]
.raw()
);
}
use crate::stream::Offset;
#[test]
fn offset() {
let a = &b"abcd;"[..];
let b = &b"1234;"[..];
let c = &b"a123;"[..];
let d = &b" \t;"[..];
let e = &b" \t\r\n;"[..];
let f = &b"123abcDEF;"[..];
match alpha1::<_, InputError<_>>.parse_peek(Partial::new(a)) {
Ok((i, _)) => {
let i = i.into_inner();
assert_eq!(i.offset_from(&a) + i.len(), a.len());
}
_ => panic!("wrong return type in offset test for alpha"),
}
match digit1::<_, InputError<_>>.parse_peek(Partial::new(b)) {
Ok((i, _)) => {
let i = i.into_inner();
assert_eq!(i.offset_from(&b) + i.len(), b.len());
}
_ => panic!("wrong return type in offset test for digit"),
}
match alphanumeric1::<_, InputError<_>>.parse_peek(Partial::new(c)) {
Ok((i, _)) => {
let i = i.into_inner();
assert_eq!(i.offset_from(&c) + i.len(), c.len());
}
_ => panic!("wrong return type in offset test for alphanumeric"),
}
match space1::<_, InputError<_>>.parse_peek(Partial::new(d)) {
Ok((i, _)) => {
let i = i.into_inner();
assert_eq!(i.offset_from(&d) + i.len(), d.len());
}
_ => panic!("wrong return type in offset test for space"),
}
match multispace1::<_, InputError<_>>.parse_peek(Partial::new(e)) {
Ok((i, _)) => {
let i = i.into_inner();
assert_eq!(i.offset_from(&e) + i.len(), e.len());
}
_ => panic!("wrong return type in offset test for multispace"),
}
match hex_digit1::<_, InputError<_>>.parse_peek(Partial::new(f)) {
Ok((i, _)) => {
let i = i.into_inner();
assert_eq!(i.offset_from(&f) + i.len(), f.len());
}
_ => panic!("wrong return type in offset test for hex_digit"),
}
match oct_digit1::<_, InputError<_>>.parse_peek(Partial::new(f)) {
Ok((i, _)) => {
let i = i.into_inner();
assert_eq!(i.offset_from(&f) + i.len(), f.len());
}
_ => panic!("wrong return type in offset test for oct_digit"),
}
}
#[test]
fn is_till_line_ending_bytes() {
let a: &[u8] = b"ab12cd\nefgh";
assert_parse!(
till_line_ending.parse_peek(Partial::new(a)),
str![[r#"
Ok(
(
Partial {
input: [
10,
101,
102,
103,
104,
],
partial: true,
},
[
97,
98,
49,
50,
99,
100,
],
),
)
"#]]
.raw()
);
let b: &[u8] = b"ab12cd\nefgh\nijkl";
assert_parse!(
till_line_ending.parse_peek(Partial::new(b)),
str![[r#"
Ok(
(
Partial {
input: [
10,
101,
102,
103,
104,
10,
105,
106,
107,
108,
],
partial: true,
},
[
97,
98,
49,
50,
99,
100,
],
),
)
"#]]
.raw()
);
let c: &[u8] = b"ab12cd\r\nefgh\nijkl";
assert_parse!(
till_line_ending.parse_peek(Partial::new(c)),
str![[r#"
Ok(
(
Partial {
input: [
13,
10,
101,
102,
103,
104,
10,
105,
106,
107,
108,
],
partial: true,
},
[
97,
98,
49,
50,
99,
100,
],
),
)
"#]]
.raw()
);
let d: &[u8] = b"ab12cd";
assert_parse!(
till_line_ending.parse_peek(Partial::new(d)),
str![[r#"
Err(
Incomplete(
Unknown,
),
)
"#]]
.raw()
);
}
#[test]
fn is_till_line_ending_str() {
let f = "βèƒôřè\rÂßÇáƒƭèř";
assert_parse!(
till_line_ending.parse_peek(Partial::new(f)),
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: "\rÂßÇáƒƭèř",
partial: true,
},
},
),
)
"#]]
.raw()
);
let g2: &str = "ab12cd";
assert_parse!(
till_line_ending.parse_peek(Partial::new(g2)),
str![[r#"
Err(
Incomplete(
Unknown,
),
)
"#]]
.raw()
);
}
#[test]
fn hex_digit_test() {
let i = &b"0123456789abcdefABCDEF;"[..];
assert_parse!(
hex_digit1.parse_peek(Partial::new(i)),
str![[r#"
Ok(
(
Partial {
input: [
59,
],
partial: true,
},
[
48,
49,
50,
51,
52,
53,
54,
55,
56,
57,
97,
98,
99,
100,
101,
102,
65,
66,
67,
68,
69,
70,
],
),
)
"#]]
.raw()
);
let i = &b"g"[..];
assert_parse!(
hex_digit1.parse_peek(Partial::new(i)),
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: [
103,
],
partial: true,
},
},
),
)
"#]]
.raw()
);
let i = &b"G"[..];
assert_parse!(
hex_digit1.parse_peek(Partial::new(i)),
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: [
71,
],
partial: true,
},
},
),
)
"#]]
.raw()
);
assert!(AsChar::is_hex_digit(b'0'));
assert!(AsChar::is_hex_digit(b'9'));
assert!(AsChar::is_hex_digit(b'a'));
assert!(AsChar::is_hex_digit(b'f'));
assert!(AsChar::is_hex_digit(b'A'));
assert!(AsChar::is_hex_digit(b'F'));
assert!(!AsChar::is_hex_digit(b'g'));
assert!(!AsChar::is_hex_digit(b'G'));
assert!(!AsChar::is_hex_digit(b'/'));
assert!(!AsChar::is_hex_digit(b':'));
assert!(!AsChar::is_hex_digit(b'@'));
assert!(!AsChar::is_hex_digit(b'\x60'));
}
#[test]
fn oct_digit_test() {
let i = &b"01234567;"[..];
assert_parse!(
oct_digit1.parse_peek(Partial::new(i)),
str![[r#"
Ok(
(
Partial {
input: [
59,
],
partial: true,
},
[
48,
49,
50,
51,
52,
53,
54,
55,
],
),
)
"#]]
.raw()
);
let i = &b"8"[..];
assert_parse!(
oct_digit1.parse_peek(Partial::new(i)),
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: [
56,
],
partial: true,
},
},
),
)
"#]]
.raw()
);
assert!(AsChar::is_oct_digit(b'0'));
assert!(AsChar::is_oct_digit(b'7'));
assert!(!AsChar::is_oct_digit(b'8'));
assert!(!AsChar::is_oct_digit(b'9'));
assert!(!AsChar::is_oct_digit(b'a'));
assert!(!AsChar::is_oct_digit(b'A'));
assert!(!AsChar::is_oct_digit(b'/'));
assert!(!AsChar::is_oct_digit(b':'));
assert!(!AsChar::is_oct_digit(b'@'));
assert!(!AsChar::is_oct_digit(b'\x60'));
}
#[test]
fn full_line_windows() {
#[allow(clippy::type_complexity)]
fn take_full_line<'i>(
i: &mut Partial<&'i [u8]>,
) -> TestResult<Partial<&'i [u8]>, (&'i [u8], &'i [u8])> {
(till_line_ending, line_ending).parse_next(i)
}
let input = b"abc\r\n";
let output = take_full_line.parse_peek(Partial::new(input));
assert_parse!(
output,
str![[r#"
Ok(
(
Partial {
input: [],
partial: true,
},
(
[
97,
98,
99,
],
[
13,
10,
],
),
),
)
"#]]
.raw()
);
}
#[test]
fn full_line_unix() {
#[allow(clippy::type_complexity)]
fn take_full_line<'i>(
i: &mut Partial<&'i [u8]>,
) -> TestResult<Partial<&'i [u8]>, (&'i [u8], &'i [u8])> {
(till_line_ending, line_ending).parse_next(i)
}
let input = b"abc\n";
let output = take_full_line.parse_peek(Partial::new(input));
assert_parse!(
output,
str![[r#"
Ok(
(
Partial {
input: [],
partial: true,
},
(
[
97,
98,
99,
],
[
10,
],
),
),
)
"#]]
.raw()
);
}
#[test]
fn check_windows_lineending() {
let input = b"\r\n";
let output = line_ending.parse_peek(Partial::new(&input[..]));
assert_parse!(
output,
str![[r#"
Ok(
(
Partial {
input: [],
partial: true,
},
[
13,
10,
],
),
)
"#]]
.raw()
);
}
#[test]
fn check_unix_lineending() {
let input = b"\n";
let output = line_ending.parse_peek(Partial::new(&input[..]));
assert_parse!(
output,
str![[r#"
Ok(
(
Partial {
input: [],
partial: true,
},
[
10,
],
),
)
"#]]
.raw()
);
}
#[test]
fn cr_lf() {
assert_parse!(
crlf.parse_peek(Partial::new(&b"\r\na"[..])),
str![[r#"
Ok(
(
Partial {
input: [
97,
],
partial: true,
},
[
13,
10,
],
),
)
"#]]
.raw()
);
assert_parse!(
crlf.parse_peek(Partial::new(&b"\r"[..])),
str![[r#"
Err(
Incomplete(
Unknown,
),
)
"#]]
.raw()
);
assert_parse!(
crlf.parse_peek(Partial::new(&b"\ra"[..])),
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: [
13,
97,
],
partial: true,
},
},
),
)
"#]]
.raw()
);
assert_parse!(
crlf.parse_peek(Partial::new("\r\na")),
str![[r#"
Ok(
(
Partial {
input: "a",
partial: true,
},
"\r\n",
),
)
"#]]
.raw()
);
assert_parse!(
crlf.parse_peek(Partial::new("\r")),
str![[r#"
Err(
Incomplete(
Unknown,
),
)
"#]]
.raw()
);
assert_parse!(
crlf.parse_peek(Partial::new("\ra")),
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: "\ra",
partial: true,
},
},
),
)
"#]]
.raw()
);
}
#[test]
fn end_of_line() {
assert_parse!(
line_ending.parse_peek(Partial::new(&b"\na"[..])),
str![[r#"
Ok(
(
Partial {
input: [
97,
],
partial: true,
},
[
10,
],
),
)
"#]]
.raw()
);
assert_parse!(
line_ending.parse_peek(Partial::new(&b"\r\na"[..])),
str![[r#"
Ok(
(
Partial {
input: [
97,
],
partial: true,
},
[
13,
10,
],
),
)
"#]]
.raw()
);
assert_parse!(
line_ending.parse_peek(Partial::new(&b"\r"[..])),
str![[r#"
Err(
Incomplete(
Unknown,
),
)
"#]]
.raw()
);
assert_parse!(
line_ending.parse_peek(Partial::new(&b"\ra"[..])),
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: [
13,
97,
],
partial: true,
},
},
),
)
"#]]
.raw()
);
assert_parse!(
line_ending.parse_peek(Partial::new("\na")),
str![[r#"
Ok(
(
Partial {
input: "a",
partial: true,
},
"\n",
),
)
"#]]
.raw()
);
assert_parse!(
line_ending.parse_peek(Partial::new("\r\na")),
str![[r#"
Ok(
(
Partial {
input: "a",
partial: true,
},
"\r\n",
),
)
"#]]
.raw()
);
assert_parse!(
line_ending.parse_peek(Partial::new("\r")),
str![[r#"
Err(
Incomplete(
Unknown,
),
)
"#]]
.raw()
);
assert_parse!(
line_ending.parse_peek(Partial::new("\ra")),
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: "\ra",
partial: true,
},
},
),
)
"#]]
.raw()
);
}
#[test]
fn hex_uint_tests() {
fn hex_u32<'i>(input: &mut Partial<&'i [u8]>) -> TestResult<Partial<&'i [u8]>, u32> {
hex_uint.parse_next(input)
}
assert_parse!(
hex_u32.parse_peek(Partial::new(&b";"[..])),
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: [
59,
],
partial: true,
},
},
),
)
"#]]
.raw()
);
assert_parse!(
hex_u32.parse_peek(Partial::new(&b"ff;"[..])),
str![[r#"
Ok(
(
Partial {
input: [
59,
],
partial: true,
},
255,
),
)
"#]]
.raw()
);
assert_parse!(
hex_u32.parse_peek(Partial::new(&b"1be2;"[..])),
str![[r#"
Ok(
(
Partial {
input: [
59,
],
partial: true,
},
7138,
),
)
"#]]
.raw()
);
assert_parse!(
hex_u32.parse_peek(Partial::new(&b"c5a31be2;"[..])),
str![[r#"
Ok(
(
Partial {
input: [
59,
],
partial: true,
},
3315801058,
),
)
"#]]
.raw()
);
assert_parse!(
hex_u32.parse_peek(Partial::new(&b"C5A31be2;"[..])),
str![[r#"
Ok(
(
Partial {
input: [
59,
],
partial: true,
},
3315801058,
),
)
"#]]
.raw()
);
assert_parse!(
hex_u32.parse_peek(Partial::new(&b"00c5a31be2;"[..])), // overflow
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: [
48,
48,
99,
53,
97,
51,
49,
98,
101,
50,
59,
],
partial: true,
},
},
),
)
"#]]
.raw()
);
assert_parse!(
hex_u32.parse_peek(Partial::new(&b"c5a31be201;"[..])), // overflow
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: [
99,
53,
97,
51,
49,
98,
101,
50,
48,
49,
59,
],
partial: true,
},
},
),
)
"#]]
.raw()
);
assert_parse!(
hex_u32.parse_peek(Partial::new(&b"ffffffff;"[..])),
str![[r#"
Ok(
(
Partial {
input: [
59,
],
partial: true,
},
4294967295,
),
)
"#]]
.raw()
);
assert_parse!(
hex_u32.parse_peek(Partial::new(&b"ffffffffffffffff;"[..])), // overflow
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: [
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
59,
],
partial: true,
},
},
),
)
"#]]
.raw()
);
assert_parse!(
hex_u32.parse_peek(Partial::new(&b"ffffffffffffffff"[..])), // overflow
str![[r#"
Err(
Backtrack(
InputError {
input: Partial {
input: [
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
102,
],
partial: true,
},
},
),
)
"#]]
.raw()
);
assert_parse!(
hex_u32.parse_peek(Partial::new(&b"0x1be2;"[..])),
str![[r#"
Ok(
(
Partial {
input: [
120,
49,
98,
101,
50,
59,
],
partial: true,
},
0,
),
)
"#]]
.raw()
);
assert_parse!(
hex_u32.parse_peek(Partial::new(&b"12af"[..])),
str![[r#"
Err(
Incomplete(
Size(
1,
),
),
)
"#]]
.raw()
);
}
}