From 43a97878ce14b72f0981164f87f2e35e14151312 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:22:09 +0200 Subject: Adding upstream version 110.0.1. Signed-off-by: Daniel Baumann --- third_party/rust/rayon/tests/str.rs | 134 ++++++++++++++++++++++++++++++++++++ 1 file changed, 134 insertions(+) create mode 100644 third_party/rust/rayon/tests/str.rs (limited to 'third_party/rust/rayon/tests/str.rs') diff --git a/third_party/rust/rayon/tests/str.rs b/third_party/rust/rayon/tests/str.rs new file mode 100644 index 0000000000..f73a261148 --- /dev/null +++ b/third_party/rust/rayon/tests/str.rs @@ -0,0 +1,134 @@ +use rand::distributions::Standard; +use rand::{Rng, SeedableRng}; +use rand_xorshift::XorShiftRng; +use rayon::prelude::*; + +fn seeded_rng() -> XorShiftRng { + let mut seed = ::Seed::default(); + (0..).zip(seed.as_mut()).for_each(|(i, x)| *x = i); + XorShiftRng::from_seed(seed) +} + +#[test] +pub fn execute_strings() { + let rng = seeded_rng(); + let s: String = rng.sample_iter::(&Standard).take(1024).collect(); + + let par_chars: String = s.par_chars().collect(); + assert_eq!(s, par_chars); + + let par_even: String = s.par_chars().filter(|&c| (c as u32) & 1 == 0).collect(); + let ser_even: String = s.chars().filter(|&c| (c as u32) & 1 == 0).collect(); + assert_eq!(par_even, ser_even); + + // test `FromParallelIterator<&char> for String` + let vchars: Vec = s.par_chars().collect(); + let par_chars: String = vchars.par_iter().collect(); + assert_eq!(s, par_chars); + + let par_bytes: Vec = s.par_bytes().collect(); + assert_eq!(s.as_bytes(), &*par_bytes); + + let par_utf16: Vec = s.par_encode_utf16().collect(); + let ser_utf16: Vec = s.encode_utf16().collect(); + assert_eq!(par_utf16, ser_utf16); + + let par_charind: Vec<_> = s.par_char_indices().collect(); + let ser_charind: Vec<_> = s.char_indices().collect(); + assert_eq!(par_charind, ser_charind); +} + +#[test] +pub fn execute_strings_split() { + // char testcases from examples in `str::split` etc., + // plus a large self-test for good measure. + let tests = vec![ + ("Mary had a little lamb", ' '), + ("", 'X'), + ("lionXXtigerXleopard", 'X'), + ("||||a||b|c", '|'), + ("(///)", '/'), + ("010", '0'), + (" a b c", ' '), + ("A.B.", '.'), + ("A..B..", '.'), + ("foo\r\nbar\n\nbaz\n", '\n'), + ("foo\nbar\n\r\nbaz", '\n'), + ("A few words", ' '), + (" Mary had\ta\u{2009}little \n\t lamb", ' '), + (include_str!("str.rs"), ' '), + ]; + + for &(string, separator) in &tests { + let serial: Vec<_> = string.split(separator).collect(); + let parallel: Vec<_> = string.par_split(separator).collect(); + assert_eq!(serial, parallel); + + let pattern: &[char] = &['\u{0}', separator, '\u{1F980}']; + let serial: Vec<_> = string.split(pattern).collect(); + let parallel: Vec<_> = string.par_split(pattern).collect(); + assert_eq!(serial, parallel); + + let serial_fn: Vec<_> = string.split(|c| c == separator).collect(); + let parallel_fn: Vec<_> = string.par_split(|c| c == separator).collect(); + assert_eq!(serial_fn, parallel_fn); + } + + for &(string, separator) in &tests { + let serial: Vec<_> = string.split_terminator(separator).collect(); + let parallel: Vec<_> = string.par_split_terminator(separator).collect(); + assert_eq!(serial, parallel); + + let pattern: &[char] = &['\u{0}', separator, '\u{1F980}']; + let serial: Vec<_> = string.split_terminator(pattern).collect(); + let parallel: Vec<_> = string.par_split_terminator(pattern).collect(); + assert_eq!(serial, parallel); + + let serial: Vec<_> = string.split_terminator(|c| c == separator).collect(); + let parallel: Vec<_> = string.par_split_terminator(|c| c == separator).collect(); + assert_eq!(serial, parallel); + } + + for &(string, _) in &tests { + let serial: Vec<_> = string.lines().collect(); + let parallel: Vec<_> = string.par_lines().collect(); + assert_eq!(serial, parallel); + } + + for &(string, _) in &tests { + let serial: Vec<_> = string.split_whitespace().collect(); + let parallel: Vec<_> = string.par_split_whitespace().collect(); + assert_eq!(serial, parallel); + } + + // try matching separators too! + for &(string, separator) in &tests { + let serial: Vec<_> = string.matches(separator).collect(); + let parallel: Vec<_> = string.par_matches(separator).collect(); + assert_eq!(serial, parallel); + + let pattern: &[char] = &['\u{0}', separator, '\u{1F980}']; + let serial: Vec<_> = string.matches(pattern).collect(); + let parallel: Vec<_> = string.par_matches(pattern).collect(); + assert_eq!(serial, parallel); + + let serial_fn: Vec<_> = string.matches(|c| c == separator).collect(); + let parallel_fn: Vec<_> = string.par_matches(|c| c == separator).collect(); + assert_eq!(serial_fn, parallel_fn); + } + + for &(string, separator) in &tests { + let serial: Vec<_> = string.match_indices(separator).collect(); + let parallel: Vec<_> = string.par_match_indices(separator).collect(); + assert_eq!(serial, parallel); + + let pattern: &[char] = &['\u{0}', separator, '\u{1F980}']; + let serial: Vec<_> = string.match_indices(pattern).collect(); + let parallel: Vec<_> = string.par_match_indices(pattern).collect(); + assert_eq!(serial, parallel); + + let serial_fn: Vec<_> = string.match_indices(|c| c == separator).collect(); + let parallel_fn: Vec<_> = string.par_match_indices(|c| c == separator).collect(); + assert_eq!(serial_fn, parallel_fn); + } +} -- cgit v1.2.3