aboutsummaryrefslogtreecommitdiff
path: root/vendor/rayon/tests/producer_split_at.rs
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/rayon/tests/producer_split_at.rs')
-rw-r--r--vendor/rayon/tests/producer_split_at.rs394
1 files changed, 0 insertions, 394 deletions
diff --git a/vendor/rayon/tests/producer_split_at.rs b/vendor/rayon/tests/producer_split_at.rs
deleted file mode 100644
index d710504..0000000
--- a/vendor/rayon/tests/producer_split_at.rs
+++ /dev/null
@@ -1,394 +0,0 @@
-use rayon::iter::plumbing::*;
-use rayon::prelude::*;
-
-/// Stress-test indexes for `Producer::split_at`.
-fn check<F, I>(expected: &[I::Item], mut f: F)
-where
- F: FnMut() -> I,
- I: IntoParallelIterator,
- I::Iter: IndexedParallelIterator,
- I::Item: PartialEq + std::fmt::Debug,
-{
- map_triples(expected.len() + 1, |i, j, k| {
- Split::forward(f(), i, j, k, expected);
- Split::reverse(f(), i, j, k, expected);
- });
-}
-
-fn map_triples<F>(end: usize, mut f: F)
-where
- F: FnMut(usize, usize, usize),
-{
- for i in 0..end {
- for j in i..end {
- for k in j..end {
- f(i, j, k);
- }
- }
- }
-}
-
-#[derive(Debug)]
-struct Split {
- i: usize,
- j: usize,
- k: usize,
- reverse: bool,
-}
-
-impl Split {
- fn forward<I>(iter: I, i: usize, j: usize, k: usize, expected: &[I::Item])
- where
- I: IntoParallelIterator,
- I::Iter: IndexedParallelIterator,
- I::Item: PartialEq + std::fmt::Debug,
- {
- let result = iter.into_par_iter().with_producer(Split {
- i,
- j,
- k,
- reverse: false,
- });
- assert_eq!(result, expected);
- }
-
- fn reverse<I>(iter: I, i: usize, j: usize, k: usize, expected: &[I::Item])
- where
- I: IntoParallelIterator,
- I::Iter: IndexedParallelIterator,
- I::Item: PartialEq + std::fmt::Debug,
- {
- let result = iter.into_par_iter().with_producer(Split {
- i,
- j,
- k,
- reverse: true,
- });
- assert!(result.iter().eq(expected.iter().rev()));
- }
-}
-
-impl<T> ProducerCallback<T> for Split {
- type Output = Vec<T>;
-
- fn callback<P>(self, producer: P) -> Self::Output
- where
- P: Producer<Item = T>,
- {
- println!("{:?}", self);
-
- // Splitting the outer indexes first gets us an arbitrary mid section,
- // which we then split further to get full test coverage.
- let (left, d) = producer.split_at(self.k);
- let (a, mid) = left.split_at(self.i);
- let (b, c) = mid.split_at(self.j - self.i);
-
- let a = a.into_iter();
- let b = b.into_iter();
- let c = c.into_iter();
- let d = d.into_iter();
-
- check_len(&a, self.i);
- check_len(&b, self.j - self.i);
- check_len(&c, self.k - self.j);
-
- let chain = a.chain(b).chain(c).chain(d);
- if self.reverse {
- chain.rev().collect()
- } else {
- chain.collect()
- }
- }
-}
-
-fn check_len<I: ExactSizeIterator>(iter: &I, len: usize) {
- assert_eq!(iter.size_hint(), (len, Some(len)));
- assert_eq!(iter.len(), len);
-}
-
-// **** Base Producers ****
-
-#[test]
-fn array() {
- let a = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
- check(&a, || a);
-}
-
-#[test]
-fn empty() {
- let v = vec![42];
- check(&v[..0], rayon::iter::empty);
-}
-
-#[test]
-fn once() {
- let v = vec![42];
- check(&v, || rayon::iter::once(42));
-}
-
-#[test]
-fn option() {
- let v = vec![42];
- check(&v, || Some(42));
-}
-
-#[test]
-fn range() {
- let v: Vec<_> = (0..10).collect();
- check(&v, || 0..10);
-}
-
-#[test]
-fn range_inclusive() {
- let v: Vec<_> = (0u16..=10).collect();
- check(&v, || 0u16..=10);
-}
-
-#[test]
-fn repeatn() {
- let v: Vec<_> = std::iter::repeat(1).take(5).collect();
- check(&v, || rayon::iter::repeatn(1, 5));
-}
-
-#[test]
-fn slice_iter() {
- let s: Vec<_> = (0..10).collect();
- let v: Vec<_> = s.iter().collect();
- check(&v, || &s);
-}
-
-#[test]
-fn slice_iter_mut() {
- let mut s: Vec<_> = (0..10).collect();
- let mut v: Vec<_> = s.clone();
- let expected: Vec<_> = v.iter_mut().collect();
-
- map_triples(expected.len() + 1, |i, j, k| {
- Split::forward(s.par_iter_mut(), i, j, k, &expected);
- Split::reverse(s.par_iter_mut(), i, j, k, &expected);
- });
-}
-
-#[test]
-fn slice_chunks() {
- let s: Vec<_> = (0..10).collect();
- for len in 1..s.len() + 2 {
- let v: Vec<_> = s.chunks(len).collect();
- check(&v, || s.par_chunks(len));
- }
-}
-
-#[test]
-fn slice_chunks_exact() {
- let s: Vec<_> = (0..10).collect();
- for len in 1..s.len() + 2 {
- let v: Vec<_> = s.chunks_exact(len).collect();
- check(&v, || s.par_chunks_exact(len));
- }
-}
-
-#[test]
-fn slice_chunks_mut() {
- let mut s: Vec<_> = (0..10).collect();
- let mut v: Vec<_> = s.clone();
- for len in 1..s.len() + 2 {
- let expected: Vec<_> = v.chunks_mut(len).collect();
- map_triples(expected.len() + 1, |i, j, k| {
- Split::forward(s.par_chunks_mut(len), i, j, k, &expected);
- Split::reverse(s.par_chunks_mut(len), i, j, k, &expected);
- });
- }
-}
-
-#[test]
-fn slice_chunks_exact_mut() {
- let mut s: Vec<_> = (0..10).collect();
- let mut v: Vec<_> = s.clone();
- for len in 1..s.len() + 2 {
- let expected: Vec<_> = v.chunks_exact_mut(len).collect();
- map_triples(expected.len() + 1, |i, j, k| {
- Split::forward(s.par_chunks_exact_mut(len), i, j, k, &expected);
- Split::reverse(s.par_chunks_exact_mut(len), i, j, k, &expected);
- });
- }
-}
-
-#[test]
-fn slice_rchunks() {
- let s: Vec<_> = (0..10).collect();
- for len in 1..s.len() + 2 {
- let v: Vec<_> = s.rchunks(len).collect();
- check(&v, || s.par_rchunks(len));
- }
-}
-
-#[test]
-fn slice_rchunks_exact() {
- let s: Vec<_> = (0..10).collect();
- for len in 1..s.len() + 2 {
- let v: Vec<_> = s.rchunks_exact(len).collect();
- check(&v, || s.par_rchunks_exact(len));
- }
-}
-
-#[test]
-fn slice_rchunks_mut() {
- let mut s: Vec<_> = (0..10).collect();
- let mut v: Vec<_> = s.clone();
- for len in 1..s.len() + 2 {
- let expected: Vec<_> = v.rchunks_mut(len).collect();
- map_triples(expected.len() + 1, |i, j, k| {
- Split::forward(s.par_rchunks_mut(len), i, j, k, &expected);
- Split::reverse(s.par_rchunks_mut(len), i, j, k, &expected);
- });
- }
-}
-
-#[test]
-fn slice_rchunks_exact_mut() {
- let mut s: Vec<_> = (0..10).collect();
- let mut v: Vec<_> = s.clone();
- for len in 1..s.len() + 2 {
- let expected: Vec<_> = v.rchunks_exact_mut(len).collect();
- map_triples(expected.len() + 1, |i, j, k| {
- Split::forward(s.par_rchunks_exact_mut(len), i, j, k, &expected);
- Split::reverse(s.par_rchunks_exact_mut(len), i, j, k, &expected);
- });
- }
-}
-
-#[test]
-fn slice_windows() {
- let s: Vec<_> = (0..10).collect();
- let v: Vec<_> = s.windows(2).collect();
- check(&v, || s.par_windows(2));
-}
-
-#[test]
-fn vec() {
- let v: Vec<_> = (0..10).collect();
- check(&v, || v.clone());
-}
-
-// **** Adaptors ****
-
-#[test]
-fn chain() {
- let v: Vec<_> = (0..10).collect();
- check(&v, || (0..5).into_par_iter().chain(5..10));
-}
-
-#[test]
-fn cloned() {
- let v: Vec<_> = (0..10).collect();
- check(&v, || v.par_iter().cloned());
-}
-
-#[test]
-fn copied() {
- let v: Vec<_> = (0..10).collect();
- check(&v, || v.par_iter().copied());
-}
-
-#[test]
-fn enumerate() {
- let v: Vec<_> = (0..10).enumerate().collect();
- check(&v, || (0..10).into_par_iter().enumerate());
-}
-
-#[test]
-fn step_by() {
- let v: Vec<_> = (0..10).step_by(2).collect();
- check(&v, || (0..10).into_par_iter().step_by(2))
-}
-
-#[test]
-fn step_by_unaligned() {
- let v: Vec<_> = (0..10).step_by(3).collect();
- check(&v, || (0..10).into_par_iter().step_by(3))
-}
-
-#[test]
-fn inspect() {
- let v: Vec<_> = (0..10).collect();
- check(&v, || (0..10).into_par_iter().inspect(|_| ()));
-}
-
-#[test]
-fn update() {
- let v: Vec<_> = (0..10).collect();
- check(&v, || (0..10).into_par_iter().update(|_| ()));
-}
-
-#[test]
-fn interleave() {
- let v = [0, 10, 1, 11, 2, 12, 3, 4];
- check(&v, || (0..5).into_par_iter().interleave(10..13));
- check(&v[..6], || (0..3).into_par_iter().interleave(10..13));
-
- let v = [0, 10, 1, 11, 2, 12, 13, 14];
- check(&v, || (0..3).into_par_iter().interleave(10..15));
-}
-
-#[test]
-fn intersperse() {
- let v = [0, -1, 1, -1, 2, -1, 3, -1, 4];
- check(&v, || (0..5).into_par_iter().intersperse(-1));
-}
-
-#[test]
-fn chunks() {
- let s: Vec<_> = (0..10).collect();
- let v: Vec<_> = s.chunks(2).map(|c| c.to_vec()).collect();
- check(&v, || s.par_iter().cloned().chunks(2));
-}
-
-#[test]
-fn map() {
- let v: Vec<_> = (0..10).collect();
- check(&v, || v.par_iter().map(Clone::clone));
-}
-
-#[test]
-fn map_with() {
- let v: Vec<_> = (0..10).collect();
- check(&v, || v.par_iter().map_with(vec![0], |_, &x| x));
-}
-
-#[test]
-fn map_init() {
- let v: Vec<_> = (0..10).collect();
- check(&v, || v.par_iter().map_init(|| vec![0], |_, &x| x));
-}
-
-#[test]
-fn panic_fuse() {
- let v: Vec<_> = (0..10).collect();
- check(&v, || (0..10).into_par_iter().panic_fuse());
-}
-
-#[test]
-fn rev() {
- let v: Vec<_> = (0..10).rev().collect();
- check(&v, || (0..10).into_par_iter().rev());
-}
-
-#[test]
-fn with_max_len() {
- let v: Vec<_> = (0..10).collect();
- check(&v, || (0..10).into_par_iter().with_max_len(1));
-}
-
-#[test]
-fn with_min_len() {
- let v: Vec<_> = (0..10).collect();
- check(&v, || (0..10).into_par_iter().with_min_len(1));
-}
-
-#[test]
-fn zip() {
- let v: Vec<_> = (0..10).zip(10..20).collect();
- check(&v, || (0..10).into_par_iter().zip(10..20));
- check(&v[..5], || (0..5).into_par_iter().zip(10..20));
- check(&v[..5], || (0..10).into_par_iter().zip(10..15));
-}