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-rw-r--r--vendor/rayon/tests/str.rs134
1 files changed, 134 insertions, 0 deletions
diff --git a/vendor/rayon/tests/str.rs b/vendor/rayon/tests/str.rs
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+use rand::distributions::Standard;
+use rand::{Rng, SeedableRng};
+use rand_xorshift::XorShiftRng;
+use rayon::prelude::*;
+
+fn seeded_rng() -> XorShiftRng {
+ let mut seed = <XorShiftRng as SeedableRng>::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::<char, _>(&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<char> = s.par_chars().collect();
+ let par_chars: String = vchars.par_iter().collect();
+ assert_eq!(s, par_chars);
+
+ let par_bytes: Vec<u8> = s.par_bytes().collect();
+ assert_eq!(s.as_bytes(), &*par_bytes);
+
+ let par_utf16: Vec<u16> = s.par_encode_utf16().collect();
+ let ser_utf16: Vec<u16> = 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);
+ }
+}