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author | Jakub Kotur <qtr@google.com> | 2021-03-16 20:22:30 +0000 |
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committer | Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> | 2021-03-16 20:22:30 +0000 |
commit | 4c0b8e0ef78bcd80a4facc34c6a2158d83f96802 (patch) | |
tree | 13641ab7afc7aa43b586606c18d53084dedf7ace /tests/intersperse.rs | |
parent | a679e9b8b7e4ae27a19b81f216e375ea8a9cdb8e (diff) | |
parent | 7522a9ba008ac88224e0990932bdd298a43a2336 (diff) | |
download | rayon-4c0b8e0ef78bcd80a4facc34c6a2158d83f96802.tar.gz |
Initial import of rayon-1.5.0. am: 041839ceab am: d836dd6404 am: 7522a9ba00
Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/rayon/+/1622436
Change-Id: I94b0e06d9da131d6f98db436ad1a178dfff2ec90
Diffstat (limited to 'tests/intersperse.rs')
-rw-r--r-- | tests/intersperse.rs | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/tests/intersperse.rs b/tests/intersperse.rs new file mode 100644 index 0000000..aaa5b65 --- /dev/null +++ b/tests/intersperse.rs @@ -0,0 +1,60 @@ +use rayon::prelude::*; + +#[test] +fn check_intersperse() { + let v: Vec<_> = (0..1000).into_par_iter().intersperse(-1).collect(); + assert_eq!(v.len(), 1999); + for (i, x) in v.into_iter().enumerate() { + assert_eq!(x, if i % 2 == 0 { i as i32 / 2 } else { -1 }); + } +} + +#[test] +fn check_intersperse_again() { + let v: Vec<_> = (0..1000) + .into_par_iter() + .intersperse(-1) + .intersperse(-2) + .collect(); + assert_eq!(v.len(), 3997); + for (i, x) in v.into_iter().enumerate() { + let y = match i % 4 { + 0 => i as i32 / 4, + 2 => -1, + _ => -2, + }; + assert_eq!(x, y); + } +} + +#[test] +fn check_intersperse_unindexed() { + let v: Vec<_> = (0..1000).map(|i| i.to_string()).collect(); + let s = v.join(","); + let s2 = v.join(";"); + let par: String = s.par_split(',').intersperse(";").collect(); + assert_eq!(par, s2); +} + +#[test] +fn check_intersperse_producer() { + (0..1000) + .into_par_iter() + .intersperse(-1) + .zip_eq(0..1999) + .for_each(|(x, i)| { + assert_eq!(x, if i % 2 == 0 { i / 2 } else { -1 }); + }); +} + +#[test] +fn check_intersperse_rev() { + (0..1000) + .into_par_iter() + .intersperse(-1) + .zip_eq(0..1999) + .rev() + .for_each(|(x, i)| { + assert_eq!(x, if i % 2 == 0 { i / 2 } else { -1 }); + }); +} |