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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/rust/hashlink/tests/linked_hash_set.rs
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/hashlink/tests/linked_hash_set.rs')
-rw-r--r--third_party/rust/hashlink/tests/linked_hash_set.rs543
1 files changed, 543 insertions, 0 deletions
diff --git a/third_party/rust/hashlink/tests/linked_hash_set.rs b/third_party/rust/hashlink/tests/linked_hash_set.rs
new file mode 100644
index 0000000000..7a9e33f90d
--- /dev/null
+++ b/third_party/rust/hashlink/tests/linked_hash_set.rs
@@ -0,0 +1,543 @@
+use hashbrown::hash_map::DefaultHashBuilder;
+use hashlink::linked_hash_set::{self, LinkedHashSet};
+
+#[allow(dead_code)]
+fn assert_covariance() {
+ fn set<'new>(v: LinkedHashSet<&'static str>) -> LinkedHashSet<&'new str> {
+ v
+ }
+
+ fn iter<'a, 'new>(
+ v: linked_hash_set::Iter<'a, &'static str>,
+ ) -> linked_hash_set::Iter<'a, &'new str> {
+ v
+ }
+
+ fn into_iter<'new>(
+ v: linked_hash_set::IntoIter<&'static str>,
+ ) -> linked_hash_set::IntoIter<&'new str> {
+ v
+ }
+
+ fn difference<'a, 'new>(
+ v: linked_hash_set::Difference<'a, &'static str, DefaultHashBuilder>,
+ ) -> linked_hash_set::Difference<'a, &'new str, DefaultHashBuilder> {
+ v
+ }
+
+ fn symmetric_difference<'a, 'new>(
+ v: linked_hash_set::SymmetricDifference<'a, &'static str, DefaultHashBuilder>,
+ ) -> linked_hash_set::SymmetricDifference<'a, &'new str, DefaultHashBuilder> {
+ v
+ }
+
+ fn intersection<'a, 'new>(
+ v: linked_hash_set::Intersection<'a, &'static str, DefaultHashBuilder>,
+ ) -> linked_hash_set::Intersection<'a, &'new str, DefaultHashBuilder> {
+ v
+ }
+
+ fn union<'a, 'new>(
+ v: linked_hash_set::Union<'a, &'static str, DefaultHashBuilder>,
+ ) -> linked_hash_set::Union<'a, &'new str, DefaultHashBuilder> {
+ v
+ }
+
+ fn drain<'new>(
+ d: linked_hash_set::Drain<'static, &'static str>,
+ ) -> linked_hash_set::Drain<'new, &'new str> {
+ d
+ }
+}
+
+#[test]
+fn test_zero_capacities() {
+ type HS = LinkedHashSet<i32>;
+
+ let s = HS::new();
+ assert_eq!(s.capacity(), 0);
+
+ let s = HS::default();
+ assert_eq!(s.capacity(), 0);
+
+ let s = HS::with_hasher(DefaultHashBuilder::default());
+ assert_eq!(s.capacity(), 0);
+
+ let s = HS::with_capacity(0);
+ assert_eq!(s.capacity(), 0);
+
+ let s = HS::with_capacity_and_hasher(0, DefaultHashBuilder::default());
+ assert_eq!(s.capacity(), 0);
+
+ let mut s = HS::new();
+ s.insert(1);
+ s.insert(2);
+ s.remove(&1);
+ s.remove(&2);
+ s.shrink_to_fit();
+ assert_eq!(s.capacity(), 0);
+
+ let mut s = HS::new();
+ s.reserve(0);
+ assert_eq!(s.capacity(), 0);
+}
+
+#[test]
+fn test_disjoint() {
+ let mut xs = LinkedHashSet::new();
+ let mut ys = LinkedHashSet::new();
+ assert!(xs.is_disjoint(&ys));
+ assert!(ys.is_disjoint(&xs));
+ assert!(xs.insert(5));
+ assert!(ys.insert(11));
+ assert!(xs.is_disjoint(&ys));
+ assert!(ys.is_disjoint(&xs));
+ assert!(xs.insert(7));
+ assert!(xs.insert(19));
+ assert!(xs.insert(4));
+ assert!(ys.insert(2));
+ assert!(ys.insert(-11));
+ assert!(xs.is_disjoint(&ys));
+ assert!(ys.is_disjoint(&xs));
+ assert!(ys.insert(7));
+ assert!(!xs.is_disjoint(&ys));
+ assert!(!ys.is_disjoint(&xs));
+}
+
+#[test]
+fn test_subset_and_superset() {
+ let mut a = LinkedHashSet::new();
+ assert!(a.insert(0));
+ assert!(a.insert(5));
+ assert!(a.insert(11));
+ assert!(a.insert(7));
+
+ let mut b = LinkedHashSet::new();
+ assert!(b.insert(0));
+ assert!(b.insert(7));
+ assert!(b.insert(19));
+ assert!(b.insert(250));
+ assert!(b.insert(11));
+ assert!(b.insert(200));
+
+ assert!(!a.is_subset(&b));
+ assert!(!a.is_superset(&b));
+ assert!(!b.is_subset(&a));
+ assert!(!b.is_superset(&a));
+
+ assert!(b.insert(5));
+
+ assert!(a.is_subset(&b));
+ assert!(!a.is_superset(&b));
+ assert!(!b.is_subset(&a));
+ assert!(b.is_superset(&a));
+}
+
+#[test]
+fn test_iterate() {
+ let mut a = LinkedHashSet::new();
+ for i in 0..32 {
+ assert!(a.insert(i));
+ }
+ let mut observed: u32 = 0;
+ for k in &a {
+ observed |= 1 << *k;
+ }
+ assert_eq!(observed, 0xFFFF_FFFF);
+}
+
+#[test]
+fn test_intersection() {
+ let mut a = LinkedHashSet::new();
+ let mut b = LinkedHashSet::new();
+
+ assert!(a.insert(11));
+ assert!(a.insert(1));
+ assert!(a.insert(3));
+ assert!(a.insert(77));
+ assert!(a.insert(103));
+ assert!(a.insert(5));
+ assert!(a.insert(-5));
+
+ assert!(b.insert(2));
+ assert!(b.insert(11));
+ assert!(b.insert(77));
+ assert!(b.insert(-9));
+ assert!(b.insert(-42));
+ assert!(b.insert(5));
+ assert!(b.insert(3));
+
+ let mut i = 0;
+ let expected = [3, 5, 11, 77];
+ for x in a.intersection(&b) {
+ assert!(expected.contains(x));
+ i += 1
+ }
+ assert_eq!(i, expected.len());
+}
+
+#[test]
+fn test_difference() {
+ let mut a = LinkedHashSet::new();
+ let mut b = LinkedHashSet::new();
+
+ assert!(a.insert(1));
+ assert!(a.insert(3));
+ assert!(a.insert(5));
+ assert!(a.insert(9));
+ assert!(a.insert(11));
+
+ assert!(b.insert(3));
+ assert!(b.insert(9));
+
+ let mut i = 0;
+ let expected = [1, 5, 11];
+ for x in a.difference(&b) {
+ assert!(expected.contains(x));
+ i += 1
+ }
+ assert_eq!(i, expected.len());
+}
+
+#[test]
+fn test_symmetric_difference() {
+ let mut a = LinkedHashSet::new();
+ let mut b = LinkedHashSet::new();
+
+ assert!(a.insert(1));
+ assert!(a.insert(3));
+ assert!(a.insert(5));
+ assert!(a.insert(9));
+ assert!(a.insert(11));
+
+ assert!(b.insert(-2));
+ assert!(b.insert(3));
+ assert!(b.insert(9));
+ assert!(b.insert(14));
+ assert!(b.insert(22));
+
+ let mut i = 0;
+ let expected = [-2, 1, 5, 11, 14, 22];
+ for x in a.symmetric_difference(&b) {
+ assert!(expected.contains(x));
+ i += 1
+ }
+ assert_eq!(i, expected.len());
+}
+
+#[test]
+fn test_union() {
+ let mut a = LinkedHashSet::new();
+ let mut b = LinkedHashSet::new();
+
+ assert!(a.insert(1));
+ assert!(a.insert(3));
+ assert!(a.insert(5));
+ assert!(a.insert(9));
+ assert!(a.insert(11));
+ assert!(a.insert(16));
+ assert!(a.insert(19));
+ assert!(a.insert(24));
+
+ assert!(b.insert(-2));
+ assert!(b.insert(1));
+ assert!(b.insert(5));
+ assert!(b.insert(9));
+ assert!(b.insert(13));
+ assert!(b.insert(19));
+
+ let mut i = 0;
+ let expected = [-2, 1, 3, 5, 9, 11, 13, 16, 19, 24];
+ for x in a.union(&b) {
+ assert!(expected.contains(x));
+ i += 1
+ }
+ assert_eq!(i, expected.len());
+}
+
+#[test]
+fn test_from_iter() {
+ let xs = [1, 2, 3, 4, 5, 6, 7, 8, 9];
+
+ let set: LinkedHashSet<_> = xs.iter().cloned().collect();
+
+ for x in &xs {
+ assert!(set.contains(x));
+ }
+}
+
+#[test]
+fn test_move_iter() {
+ let hs = {
+ let mut hs = LinkedHashSet::new();
+
+ hs.insert('a');
+ hs.insert('b');
+
+ hs
+ };
+
+ let v = hs.into_iter().collect::<Vec<char>>();
+ assert!(v == ['a', 'b'] || v == ['b', 'a']);
+}
+
+#[test]
+fn test_eq() {
+ let mut s1 = LinkedHashSet::new();
+
+ s1.insert(1);
+ s1.insert(2);
+ s1.insert(3);
+
+ let mut s2 = LinkedHashSet::new();
+
+ s2.insert(1);
+ s2.insert(2);
+
+ assert!(s1 != s2);
+
+ s2.insert(3);
+
+ assert_eq!(s1, s2);
+}
+
+#[test]
+fn test_show() {
+ let mut set = LinkedHashSet::new();
+ let empty = LinkedHashSet::<i32>::new();
+
+ set.insert(1);
+ set.insert(2);
+
+ let set_str = format!("{:?}", set);
+
+ assert!(set_str == "{1, 2}" || set_str == "{2, 1}");
+ assert_eq!(format!("{:?}", empty), "{}");
+}
+
+#[test]
+fn test_trivial_drain() {
+ let mut s = LinkedHashSet::<i32>::new();
+ for _ in s.drain() {}
+ assert!(s.is_empty());
+ drop(s);
+
+ let mut s = LinkedHashSet::<i32>::new();
+ drop(s.drain());
+ assert!(s.is_empty());
+}
+
+#[test]
+fn test_drain() {
+ let mut s: LinkedHashSet<_> = (1..100).collect();
+
+ for _ in 0..20 {
+ assert_eq!(s.len(), 99);
+
+ {
+ let mut last_i = 0;
+ let mut d = s.drain();
+ for (i, x) in d.by_ref().take(50).enumerate() {
+ last_i = i;
+ assert!(x != 0);
+ }
+ assert_eq!(last_i, 49);
+ }
+
+ for _ in &s {
+ panic!("s should be empty!");
+ }
+
+ s.extend(1..100);
+ }
+}
+
+#[test]
+fn test_replace() {
+ use core::hash;
+
+ #[derive(Debug)]
+ struct Foo(&'static str, i32);
+
+ impl PartialEq for Foo {
+ fn eq(&self, other: &Self) -> bool {
+ self.0 == other.0
+ }
+ }
+
+ impl Eq for Foo {}
+
+ impl hash::Hash for Foo {
+ fn hash<H: hash::Hasher>(&self, h: &mut H) {
+ self.0.hash(h);
+ }
+ }
+
+ let mut s = LinkedHashSet::new();
+ assert_eq!(s.replace(Foo("a", 1)), None);
+ assert_eq!(s.len(), 1);
+ assert_eq!(s.replace(Foo("a", 2)), Some(Foo("a", 1)));
+ assert_eq!(s.len(), 1);
+
+ let mut it = s.iter();
+ assert_eq!(it.next(), Some(&Foo("a", 2)));
+ assert_eq!(it.next(), None);
+}
+
+#[test]
+fn test_extend_ref() {
+ let mut a = LinkedHashSet::new();
+ a.insert(1);
+
+ a.extend(&[2, 3, 4]);
+
+ assert_eq!(a.len(), 4);
+ assert!(a.contains(&1));
+ assert!(a.contains(&2));
+ assert!(a.contains(&3));
+ assert!(a.contains(&4));
+
+ let mut b = LinkedHashSet::new();
+ b.insert(5);
+ b.insert(6);
+
+ a.extend(&b);
+
+ assert_eq!(a.len(), 6);
+ assert!(a.contains(&1));
+ assert!(a.contains(&2));
+ assert!(a.contains(&3));
+ assert!(a.contains(&4));
+ assert!(a.contains(&5));
+ assert!(a.contains(&6));
+}
+
+#[test]
+fn test_retain() {
+ let xs = [1, 2, 3, 4, 5, 6];
+ let mut set: LinkedHashSet<i32> = xs.iter().cloned().collect();
+ set.retain(|&k| k % 2 == 0);
+ assert_eq!(set.len(), 3);
+ assert!(set.contains(&2));
+ assert!(set.contains(&4));
+ assert!(set.contains(&6));
+}
+
+#[test]
+fn test_retain_with_order() {
+ let xs = [1, 2, 3, 4, 5, 6];
+ let mut set: LinkedHashSet<i32> = xs.iter().cloned().collect();
+ let mut vec = Vec::new();
+ set.retain_with_order(|&k| {
+ if k % 2 == 0 {
+ true
+ } else {
+ vec.push(k);
+ false
+ }
+ });
+ assert_eq!(vec![1, 3, 5], vec);
+}
+
+#[test]
+fn insert_order() {
+ let mut set = LinkedHashSet::new();
+ set.insert(1);
+ set.insert(2);
+ set.insert(3);
+ set.insert(4);
+ assert_eq!(
+ set.clone().into_iter().collect::<Vec<_>>(),
+ vec![1, 2, 3, 4]
+ );
+ assert_eq!(set.into_iter().collect::<Vec<_>>(), vec![1, 2, 3, 4]);
+}
+
+#[test]
+fn front_back() {
+ let mut set = LinkedHashSet::new();
+ set.insert(1);
+ set.insert(2);
+ set.insert(3);
+ set.insert(4);
+ assert_eq!(set.front(), Some(&1));
+ assert_eq!(set.back(), Some(&4));
+ assert_eq!(set.pop_back(), Some(4));
+ assert_eq!(set.back(), Some(&3));
+ assert_eq!(set.pop_front(), Some(1));
+ assert_eq!(set.front(), Some(&2));
+}
+
+#[test]
+fn double_ended_iter() {
+ let mut set = LinkedHashSet::new();
+ set.insert(1);
+ set.insert(2);
+ set.insert(3);
+ set.insert(4);
+
+ let mut iter = set.iter();
+ assert_eq!(iter.next(), Some(&1));
+ assert_eq!(iter.next(), Some(&2));
+ assert_eq!(iter.next_back(), Some(&4));
+ assert_eq!(iter.next_back(), Some(&3));
+ assert_eq!(iter.next_back(), None);
+ assert_eq!(iter.next(), None);
+ assert_eq!(iter.next_back(), None);
+ drop(iter);
+
+ let mut iter = set.drain();
+ assert_eq!(iter.next(), Some(1));
+ assert_eq!(iter.next(), Some(2));
+ assert_eq!(iter.next_back(), Some(4));
+ assert_eq!(iter.next_back(), Some(3));
+ assert_eq!(iter.next_back(), None);
+ assert_eq!(iter.next(), None);
+ assert_eq!(iter.next_back(), None);
+ drop(iter);
+
+ set.insert(1);
+ set.insert(2);
+ set.insert(3);
+ set.insert(4);
+
+ let mut iter = set.into_iter();
+ assert_eq!(iter.next(), Some(1));
+ assert_eq!(iter.next(), Some(2));
+ assert_eq!(iter.next_back(), Some(4));
+ assert_eq!(iter.next_back(), Some(3));
+ assert_eq!(iter.next_back(), None);
+ assert_eq!(iter.next(), None);
+ assert_eq!(iter.next_back(), None);
+}
+
+#[test]
+fn to_back_front_order() {
+ let mut set = LinkedHashSet::new();
+ set.insert(1);
+ set.insert(2);
+ set.insert(3);
+ set.insert(4);
+
+ assert_eq!(set.back().copied(), Some(4));
+ assert_eq!(set.front().copied(), Some(1));
+ set.to_back(&2);
+ assert_eq!(set.back().copied(), Some(2));
+ set.to_front(&3);
+ assert_eq!(set.front().copied(), Some(3));
+}
+
+#[test]
+fn test_order_equality() {
+ let xs = [1, 2, 3, 4, 5, 6];
+ let mut set1: LinkedHashSet<i32> = xs.iter().copied().collect();
+ let mut set2: LinkedHashSet<i32> = xs.iter().copied().collect();
+
+ assert_eq!(set1, set2);
+
+ set1.to_front(&4);
+ assert_ne!(set1, set2);
+
+ set2.to_front(&4);
+ assert_eq!(set1, set2);
+}