Update contrib/python/exceptiongroup to 1.1.0

8 files changed, 314 insertions, 260 deletions

diff --git a/library/cpp/yt/memory/atomic_intrusive_ptr-inl.h b/library/cpp/yt/memory/atomic_intrusive_ptr-inl.h
index 5442fc1e05..1e902dbe45 100644
--- a/library/cpp/yt/memory/atomic_intrusive_ptr-inl.h
+++ b/library/cpp/yt/memory/atomic_intrusive_ptr-inl.h
@@ -36,7 +36,7 @@ TAtomicIntrusivePtr<T>::~TAtomicIntrusivePtr()
 template <class T>
 TAtomicIntrusivePtr<T>& TAtomicIntrusivePtr<T>::operator=(TIntrusivePtr<T> other)
 {
-    ReleaseObject(Ptr_.exchange(AcquireObject(other.Release(), true)));
+    Store(std::move(other));
     return *this;
 }
 
@@ -103,6 +103,12 @@ TIntrusivePtr<T> TAtomicIntrusivePtr<T>::Exchange(TIntrusivePtr<T> other)
 }
 
 template <class T>
+void TAtomicIntrusivePtr<T>::Store(TIntrusivePtr<T> other)
+{
+    ReleaseObject(Ptr_.exchange(AcquireObject(other.Release(), true)));
+}
+
+template <class T>
 void TAtomicIntrusivePtr<T>::Reset()
 {
     ReleaseObject(Ptr_.exchange(nullptr));
diff --git a/library/cpp/yt/memory/atomic_intrusive_ptr.h b/library/cpp/yt/memory/atomic_intrusive_ptr.h
index d3f5bb16db..f8c9a1a7fe 100644
--- a/library/cpp/yt/memory/atomic_intrusive_ptr.h
+++ b/library/cpp/yt/memory/atomic_intrusive_ptr.h
@@ -31,6 +31,7 @@ public:
     TIntrusivePtr<T> Acquire() const;
 
     TIntrusivePtr<T> Exchange(TIntrusivePtr<T> other);
+    void Store(TIntrusivePtr<T> other);
 
     void Reset();
     bool CompareAndSwap(void*& comparePtr, T* target);
diff --git a/library/cpp/yt/small_containers/compact_flat_map-inl.h b/library/cpp/yt/small_containers/compact_flat_map-inl.h
index 45a4dd1de3..74557f2467 100644
--- a/library/cpp/yt/small_containers/compact_flat_map-inl.h
+++ b/library/cpp/yt/small_containers/compact_flat_map-inl.h
@@ -8,112 +8,143 @@ namespace NYT {
 
 ///////////////////////////////////////////////////////////////////////////////
 
-template <class K, class V, unsigned N>
+template <class K, class V, size_t N>
 template <class TInputIterator>
 TCompactFlatMap<K, V, N>::TCompactFlatMap(TInputIterator begin, TInputIterator end)
 {
     insert(begin, end);
 }
 
-template <class K, class V, unsigned N>
+template <class K, class V, size_t N>
 bool TCompactFlatMap<K, V, N>::operator==(const TCompactFlatMap& rhs) const
 {
     return Storage_ == rhs.Storage_;
 }
 
-template <class K, class V, unsigned N>
+template <class K, class V, size_t N>
 bool TCompactFlatMap<K, V, N>::operator!=(const TCompactFlatMap& rhs) const
 {
     return !(*this == rhs);
 }
 
-template <class K, class V, unsigned N>
+template <class K, class V, size_t N>
 typename TCompactFlatMap<K, V, N>::iterator TCompactFlatMap<K, V, N>::begin()
 {
     return Storage_.begin();
 }
 
-template <class K, class V, unsigned N>
+template <class K, class V, size_t N>
 typename TCompactFlatMap<K, V, N>::const_iterator TCompactFlatMap<K, V, N>::begin() const
 {
     return Storage_.begin();
 }
 
-template <class K, class V, unsigned N>
+template <class K, class V, size_t N>
+typename TCompactFlatMap<K, V, N>::const_iterator TCompactFlatMap<K, V, N>::cbegin() const
+{
+    return Storage_.begin();
+}
+
+template <class K, class V, size_t N>
 typename TCompactFlatMap<K, V, N>::iterator TCompactFlatMap<K, V, N>::end()
 {
     return Storage_.end();
 }
 
-template <class K, class V, unsigned N>
+template <class K, class V, size_t N>
 typename TCompactFlatMap<K, V, N>::const_iterator TCompactFlatMap<K, V, N>::end() const
 {
     return Storage_.end();
 }
 
-template <class K, class V, unsigned N>
+template <class K, class V, size_t N>
+typename TCompactFlatMap<K, V, N>::const_iterator TCompactFlatMap<K, V, N>::cend() const
+{
+    return Storage_.end();
+}
+
+template <class K, class V, size_t N>
 void TCompactFlatMap<K, V, N>::reserve(size_type n)
 {
     Storage_.reserve(n);
 }
 
-template <class K, class V, unsigned N>
+template <class K, class V, size_t N>
 typename TCompactFlatMap<K, V, N>::size_type TCompactFlatMap<K, V, N>::size() const
 {
     return Storage_.size();
 }
 
-template <class K, class V, unsigned N>
+template <class K, class V, size_t N>
 int TCompactFlatMap<K, V, N>::ssize() const
 {
     return static_cast<int>(Storage_.size());
 }
 
-template <class K, class V, unsigned N>
+template <class K, class V, size_t N>
 bool TCompactFlatMap<K, V, N>::empty() const
 {
     return Storage_.empty();
 }
 
-template <class K, class V, unsigned N>
+template <class K, class V, size_t N>
 void TCompactFlatMap<K, V, N>::clear()
 {
     Storage_.clear();
 }
 
-template <class K, class V, unsigned N>
+template <class K, class V, size_t N>
+void TCompactFlatMap<K, V, N>::shrink_to_small()
+{
+    Storage_.shrink_to_small();
+}
+
+template <class K, class V, size_t N>
 typename TCompactFlatMap<K, V, N>::iterator TCompactFlatMap<K, V, N>::find(const K& k)
 {
-    auto [rangeBegin, rangeEnd] = EqualRange(k);
+    auto [rangeBegin, rangeEnd] = equal_range(k);
     return rangeBegin == rangeEnd ? end() : rangeBegin;
 }
 
-template <class K, class V, unsigned N>
+template <class K, class V, size_t N>
 typename TCompactFlatMap<K, V, N>::const_iterator TCompactFlatMap<K, V, N>::find(const K& k) const
 {
-    auto [rangeBegin, rangeEnd] = EqualRange(k);
+    auto [rangeBegin, rangeEnd] = equal_range(k);
     return rangeBegin == rangeEnd ? end() : rangeBegin;
 }
 
-template <class K, class V, unsigned N>
+template <class K, class V, size_t N>
 bool TCompactFlatMap<K, V, N>::contains(const K& k) const
 {
     return find(k) != end();
 }
 
-template <class K, class V, unsigned N>
+template <class K, class V, size_t N>
 auto TCompactFlatMap<K, V, N>::insert(const value_type& value) -> std::pair<iterator, bool>
 {
-    auto [rangeBegin, rangeEnd] = EqualRange(value.first);
+    return do_insert(value);
+}
+
+template <class K, class V, size_t N>
+auto TCompactFlatMap<K, V, N>::insert(value_type&& value) -> std::pair<iterator, bool>
+{
+    return do_insert(std::move(value));
+}
+
+template <class K, class V, size_t N>
+template <class TArg>
+auto TCompactFlatMap<K, V, N>::do_insert(TArg&& value) -> std::pair<iterator, bool>
+{
+    auto [rangeBegin, rangeEnd] = equal_range(value.first);
     if (rangeBegin != rangeEnd) {
         return {rangeBegin, false};
     } else {
-        auto it = Storage_.insert(rangeBegin, value);
+        auto it = Storage_.insert(rangeBegin, std::forward<TArg>(value));
         return {it, true};
     }
 }
 
-template <class K, class V, unsigned N>
+template <class K, class V, size_t N>
 template <class TInputIterator>
 void TCompactFlatMap<K, V, N>::insert(TInputIterator begin, TInputIterator end)
 {
@@ -122,28 +153,28 @@ void TCompactFlatMap<K, V, N>::insert(TInputIterator begin, TInputIterator end)
     }
 }
 
-template <class K, class V, unsigned N>
+template <class K, class V, size_t N>
 template <class... TArgs>
 auto TCompactFlatMap<K, V, N>::emplace(TArgs&&... args) -> std::pair<iterator, bool>
 {
     return insert(value_type(std::forward<TArgs>(args)...));
 }
 
-template <class K, class V, unsigned N>
+template <class K, class V, size_t N>
 V& TCompactFlatMap<K, V, N>::operator[](const K& k)
 {
     auto [it, inserted] = insert({k, V()});
     return it->second;
 }
 
-template <class K, class V, unsigned N>
+template <class K, class V, size_t N>
 void TCompactFlatMap<K, V, N>::erase(const K& k)
 {
-    auto [rangeBegin, rangeEnd] = EqualRange(k);
+    auto [rangeBegin, rangeEnd] = equal_range(k);
     erase(rangeBegin, rangeEnd);
 }
 
-template <class K, class V, unsigned N>
+template <class K, class V, size_t N>
 void TCompactFlatMap<K, V, N>::erase(iterator pos)
 {
     Storage_.erase(pos);
@@ -152,7 +183,7 @@ void TCompactFlatMap<K, V, N>::erase(iterator pos)
     Storage_.shrink_to_small();
 }
 
-template <class K, class V, unsigned N>
+template <class K, class V, size_t N>
 void TCompactFlatMap<K, V, N>::erase(iterator b, iterator e)
 {
     Storage_.erase(b, e);
@@ -161,18 +192,18 @@ void TCompactFlatMap<K, V, N>::erase(iterator b, iterator e)
     Storage_.shrink_to_small();
 }
 
-template <class K, class V, unsigned N>
+template <class K, class V, size_t N>
 std::pair<typename TCompactFlatMap<K, V, N>::iterator, typename TCompactFlatMap<K, V, N>::iterator>
-TCompactFlatMap<K, V, N>::EqualRange(const K& k)
+TCompactFlatMap<K, V, N>::equal_range(const K& k)
 {
     auto result = std::equal_range(Storage_.begin(), Storage_.end(), k, TKeyComparer());
     YT_ASSERT(std::distance(result.first, result.second) <= 1);
     return result;
 }
 
-template <class K, class V, unsigned N>
+template <class K, class V, size_t N>
 std::pair<typename TCompactFlatMap<K, V, N>::const_iterator, typename TCompactFlatMap<K, V, N>::const_iterator>
-TCompactFlatMap<K, V, N>::EqualRange(const K& k) const
+TCompactFlatMap<K, V, N>::equal_range(const K& k) const
 {
     auto result = std::equal_range(Storage_.begin(), Storage_.end(), k, TKeyComparer());
     YT_ASSERT(std::distance(result.first, result.second) <= 1);
diff --git a/library/cpp/yt/small_containers/compact_flat_map.h b/library/cpp/yt/small_containers/compact_flat_map.h
index 13bdc0e9da..6263a3fada 100644
--- a/library/cpp/yt/small_containers/compact_flat_map.h
+++ b/library/cpp/yt/small_containers/compact_flat_map.h
@@ -21,7 +21,7 @@ namespace NYT {
  *  Because of the latter, one should be very careful with iterators: virtually
  *  any call to insert or erase may potentially invalidate all iterators.
  */
-template <class K, class V, unsigned N>
+template <class K, class V, size_t N>
 class TCompactFlatMap
 {
 public:
@@ -62,24 +62,29 @@ public:
 
     iterator begin();
     const_iterator begin() const;
+    const_iterator cbegin() const;
 
     iterator end();
     const_iterator end() const;
+    const_iterator cend() const;
 
     void reserve(size_type n);
 
     size_type size() const;
     int ssize() const;
 
-    bool empty() const;
+    [[nodiscard]] bool empty() const;
     void clear();
 
+    void shrink_to_small();
+
     iterator find(const K& k);
     const_iterator find(const K& k) const;
 
     bool contains(const K& k) const;
 
     std::pair<iterator, bool> insert(const value_type& value);
+    std::pair<iterator, bool> insert(value_type&& value);
 
     template <class TInputIterator>
     void insert(TInputIterator begin, TInputIterator end);
@@ -94,10 +99,13 @@ public:
     void erase(iterator b, iterator e);
 
 private:
-    std::pair<iterator, iterator> EqualRange(const K& k);
-    std::pair<const_iterator, const_iterator> EqualRange(const K& k) const;
-
     TStorage Storage_;
+
+    std::pair<iterator, iterator> equal_range(const K& k);
+    std::pair<const_iterator, const_iterator> equal_range(const K& k) const;
+
+    template <class TArg>
+    std::pair<iterator, bool> do_insert(TArg&& value);
 };
 
 ////////////////////////////////////////////////////////////////////////////////
diff --git a/library/cpp/yt/small_containers/compact_set-inl.h b/library/cpp/yt/small_containers/compact_set-inl.h
index c027f44600..76bad7ad24 100644
--- a/library/cpp/yt/small_containers/compact_set-inl.h
+++ b/library/cpp/yt/small_containers/compact_set-inl.h
@@ -4,11 +4,13 @@
 #include "compact_set.h"
 #endif
 
+#include <library/cpp/yt/assert//assert.h>
+
 namespace NYT {
 
 ////////////////////////////////////////////////////////////////////////////////
 
-template <typename T, unsigned N,  typename C>
+template <typename T, size_t N,  typename C>
 class TCompactSet<T, N, C>::const_iterator
 {
 private:
@@ -35,7 +37,7 @@ private:
     template <class TOther>
     void ConstructFrom(TOther&& rhs)
     {
-        Y_VERIFY_DEBUG(Small == rhs.Small);
+        YT_ASSERT(Small == rhs.Small);
 
         if (Small) {
             new (&VIter)TVectorConstIterator(std::forward<TOther>(rhs).VIter);
@@ -200,68 +202,67 @@ public:
 
 ////////////////////////////////////////////////////////////////////////////////
 
-template <typename T, unsigned N,  typename C>
+template <typename T, size_t N,  typename C>
 bool TCompactSet<T, N, C>::empty() const
 {
-    return Vector.empty() && Set.empty();
+    return Vector_.empty() && Set_.empty();
 }
 
-template <typename T, unsigned N,  typename C>
+template <typename T, size_t N,  typename C>
 typename TCompactSet<T, N, C>::size_type TCompactSet<T, N, C>::size() const
 {
-    return IsSmall() ? Vector.size() : Set.size();
+    return is_small() ? Vector_.size() : Set_.size();
 }
 
-template <typename T, unsigned N,  typename C>
+template <typename T, size_t N,  typename C>
 const T& TCompactSet<T, N, C>::front() const
 {
-    return IsSmall() ? Vector.front() : *Set.begin();
+    return is_small() ? Vector_.front() : *Set_.begin();
 }
 
-
-template <typename T, unsigned N,  typename C>
+template <typename T, size_t N,  typename C>
 typename TCompactSet<T, N, C>::size_type TCompactSet<T, N, C>::count(const T& v) const
 {
-    if (IsSmall()) {
-        return std::binary_search(Vector.begin(), Vector.end(), v, C()) ? 1 : 0;
+    if (is_small()) {
+        return std::binary_search(Vector_.begin(), Vector_.end(), v, C()) ? 1 : 0;
     } else {
-        return Set.count(v);
+        return Set_.count(v);
     }
 }
 
-template <typename T, unsigned N,  typename C>
+template <typename T, size_t N,  typename C>
 bool TCompactSet<T, N, C>::contains(const T& v) const
 {
     return count(v) == 1;
 }
 
-template <typename T, unsigned N,  typename C>
+template <typename T, size_t N,  typename C>
 std::pair<typename TCompactSet<T, N, C>::const_iterator, bool> TCompactSet<T, N, C>::insert(const T& v)
 {
-    if (!IsSmall()) {
-        auto [it, inserted] = Set.insert(v);
+    if (!is_small()) {
+        auto [it, inserted] = Set_.insert(v);
         return {const_iterator(std::move(it)), inserted};
     }
 
-    auto it = std::lower_bound(Vector.begin(), Vector.end(), v, C());
-    if (it != Vector.end() && !C()(v, *it)) {
+    auto it = std::lower_bound(Vector_.begin(), Vector_.end(), v, C());
+    if (it != Vector_.end() && !C()(v, *it)) {
         return {const_iterator(std::move(it)), false}; // Don't reinsert if it already exists.
     }
 
-    if (Vector.size() < N) {
-        auto newIt = Vector.insert(it, v);
+    if (Vector_.size() < N) {
+        auto newIt = Vector_.insert(it, v);
         return {const_iterator(std::move(newIt)), true};
     }
 
-    Set.insert(Vector.begin(), Vector.end());
-    Vector.clear();
+    Set_.insert(Vector_.begin(), Vector_.end());
+    Vector_.clear();
 
-    auto [newIt, inserted] = Set.insert(v);
-    Y_VERIFY_DEBUG(inserted);
+    auto [newIt, inserted] = Set_.insert(v);
+    YT_ASSERT(inserted);
     return {const_iterator(std::move(newIt)), true};
 }
 
-template <typename T, unsigned N,  typename C>
+template <typename T, size_t N,  typename C>
 template <typename TIter>
 void TCompactSet<T, N, C>::insert(TIter i, TIter e)
 {
@@ -270,57 +271,57 @@ void TCompactSet<T, N, C>::insert(TIter i, TIter e)
     }
 }
 
-template <typename T, unsigned N,  typename C>
+template <typename T, size_t N,  typename C>
 bool TCompactSet<T, N, C>::erase(const T& v)
 {
-    if (!IsSmall()) {
-        return Set.erase(v);
+    if (!is_small()) {
+        return Set_.erase(v);
     }
 
-    auto [rangeBegin, rangeEnd] = std::equal_range(Vector.begin(), Vector.end(), v, C());
+    auto [rangeBegin, rangeEnd] = std::equal_range(Vector_.begin(), Vector_.end(), v, C());
     if (rangeBegin != rangeEnd) {
-        Vector.erase(rangeBegin, rangeEnd);
+        Vector_.erase(rangeBegin, rangeEnd);
         return true;
     } else {
         return false;
     }
 }
 
-template <typename T, unsigned N,  typename C>
+template <typename T, size_t N,  typename C>
 void TCompactSet<T, N, C>::clear()
 {
-    Vector.clear();
-    Set.clear();
+    Vector_.clear();
+    Set_.clear();
 }
 
-template <typename T, unsigned N,  typename C>
+template <typename T, size_t N,  typename C>
 typename TCompactSet<T, N, C>::const_iterator TCompactSet<T, N, C>::begin() const
 {
-    return IsSmall() ? const_iterator(Vector.begin()) : const_iterator(Set.begin());
+    return is_small() ? const_iterator(Vector_.begin()) : const_iterator(Set_.begin());
 }
 
-template <typename T, unsigned N,  typename C>
+template <typename T, size_t N,  typename C>
 typename TCompactSet<T, N, C>::const_iterator TCompactSet<T, N, C>::cbegin() const
 {
     return begin();
 }
 
-template <typename T, unsigned N,  typename C>
+template <typename T, size_t N,  typename C>
 typename TCompactSet<T, N, C>::const_iterator TCompactSet<T, N, C>::end() const
 {
-    return IsSmall() ? const_iterator(Vector.end()) : const_iterator(Set.end());
+    return is_small() ? const_iterator(Vector_.end()) : const_iterator(Set_.end());
 }
 
-template <typename T, unsigned N,  typename C>
+template <typename T, size_t N,  typename C>
 typename TCompactSet<T, N, C>::const_iterator TCompactSet<T, N, C>::cend() const
 {
     return end();
 }
 
-template <typename T, unsigned N,  typename C>
-bool TCompactSet<T, N, C>::IsSmall() const
+template <typename T, size_t N,  typename C>
+bool TCompactSet<T, N, C>::is_small() const
 {
-    return Set.empty();
+    return Set_.empty();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
diff --git a/library/cpp/yt/small_containers/compact_set.h b/library/cpp/yt/small_containers/compact_set.h
index 910eef88eb..b325e42743 100644
--- a/library/cpp/yt/small_containers/compact_set.h
+++ b/library/cpp/yt/small_containers/compact_set.h
@@ -1,3 +1,4 @@
+// This is based on the following:
 //===- llvm/ADT/SmallSet.h - 'Normally small' sets --------------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
@@ -7,7 +8,7 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// This file defines the TCompactSet class.
+// This file defines the CompactSet class.
 //
 //===----------------------------------------------------------------------===//
 
@@ -15,8 +16,6 @@
 
 #include "compact_vector.h"
 
-#include <util/system/yassert.h>
-
 #include <cstddef>
 #include <iterator>
 #include <set>
@@ -24,45 +23,35 @@
 
 namespace NYT {
 
-/// TCompactSet - This maintains a set of unique values, optimizing for the case
-/// when the set is small (less than N).  In this case, the set can be
-/// maintained with no mallocs.  If the set gets large, we expand to using an
-/// std::set to maintain reasonable lookup times.
-///
-/// Note that any modification of the set may invalidate *all* iterators.
-template <typename T, unsigned N, typename C = std::less<T>>
+///////////////////////////////////////////////////////////////////////////////
+
+//! Maintains a set of unique values, optimizing for the case
+//! when the set is small (less than N).
+/*!
+ *  In this case, the set can be maintained with no mallocs.
+ *  If the set gets large, we expand to using an
+ *  std::set to maintain reasonable lookup times.
+ *
+ *  Note that any modification of the set may invalidate *all* iterators.
+ */
+template <typename T, size_t N, typename C = std::less<T>>
 class TCompactSet
 {
-private:
-    /// Use a CompactVector to hold the elements here (even though it will never
-    /// reach its 'large' stage) to avoid calling the default ctors of elements
-    /// we will never use.
-    TCompactVector<T, N> Vector;
-    std::set<T, C> Set;
-
-    using TSetConstIterator = typename std::set<T, C>::const_iterator;
-    using TVectorConstIterator = typename TCompactVector<T, N>::const_iterator;
-
 public:
     class const_iterator;
     using size_type = std::size_t;
     using key_type = T;
 
-    TCompactSet() {}
-
     [[nodiscard]] bool empty() const;
 
     size_type size() const;
 
     const T& front() const;
 
-    /// count - Return true if the element is in the set.
     size_type count(const T& v) const;
 
-    /// contains - Return true if the element is in the set.
     bool contains(const T& v) const;
 
-    /// insert - Insert an element into the set if it isn't already there.
     std::pair<const_iterator, bool> insert(const T& v);
 
     template <typename TIter>
@@ -79,9 +68,20 @@ public:
     const_iterator cend() const;
 
 private:
-    bool IsSmall() const;
+    // Use a TCompactVector to hold the elements here (even though it will never
+    // reach its 'large' stage) to avoid calling the default ctors of elements
+    // we will never use.
+    TCompactVector<T, N> Vector_;
+    std::set<T, C> Set_;
+
+    using TSetConstIterator = typename std::set<T, C>::const_iterator;
+    using TVectorConstIterator = typename TCompactVector<T, N>::const_iterator;
+
+    bool is_small() const;
 };
 
+///////////////////////////////////////////////////////////////////////////////
+
 } // namespace NYT
 
 #define COMPACT_SET_INL_H_
diff --git a/library/cpp/yt/small_containers/unittests/compact_flat_map_ut.cpp b/library/cpp/yt/small_containers/unittests/compact_flat_map_ut.cpp
index 01aa32ff72..3f738e78b4 100644
--- a/library/cpp/yt/small_containers/unittests/compact_flat_map_ut.cpp
+++ b/library/cpp/yt/small_containers/unittests/compact_flat_map_ut.cpp
@@ -18,14 +18,14 @@ TMap CreateMap()
     return {data.begin(), data.end()};
 }
 
-TEST(CompactFlatMapTest, DefaultEmpty)
+TEST(TCompactFlatMapTest, DefaultEmpty)
 {
     TMap m;
     EXPECT_TRUE(m.empty());
     EXPECT_EQ(m.begin(), m.end());
 }
 
-TEST(CompactFlatMapTest, Reserve)
+TEST(TCompactFlatMapTest, Reserve)
 {
     // No real way to test reserve - just use it and wiggle about.
     auto m1 = CreateMap();
@@ -35,7 +35,7 @@ TEST(CompactFlatMapTest, Reserve)
     EXPECT_EQ(m1.size(), m2.size());
 }
 
-TEST(CompactFlatMapTest, Size)
+TEST(TCompactFlatMapTest, Size)
 {
     auto m = CreateMap();
 
@@ -53,7 +53,7 @@ TEST(CompactFlatMapTest, Size)
     EXPECT_EQ(m.ssize(), 4);
 }
 
-TEST(CompactFlatMapTest, ClearAndEmpty)
+TEST(TCompactFlatMapTest, ClearAndEmpty)
 {
     auto m = CreateMap();
 
@@ -71,7 +71,7 @@ TEST(CompactFlatMapTest, ClearAndEmpty)
     EXPECT_NE(m.begin(), m.end());
 }
 
-TEST(CompactFlatMapTest, FindMutable)
+TEST(TCompactFlatMapTest, FindMutable)
 {
     auto m = CreateMap();
     {
@@ -91,7 +91,7 @@ TEST(CompactFlatMapTest, FindMutable)
     }
 }
 
-TEST(CompactFlatMapTest, FindConst)
+TEST(TCompactFlatMapTest, FindConst)
 {
     const auto& m = CreateMap();
     {
@@ -105,7 +105,7 @@ TEST(CompactFlatMapTest, FindConst)
     }
 }
 
-TEST(CompactFlatMapTest, Insert)
+TEST(TCompactFlatMapTest, Insert)
 {
     auto m = CreateMap();
 
@@ -129,7 +129,7 @@ TEST(CompactFlatMapTest, Insert)
     EXPECT_EQ(m.find("and")->second, "trunkless");
 }
 
-TEST(CompactFlatMapTest, Emplace)
+TEST(TCompactFlatMapTest, Emplace)
 {
     auto m = CreateMap();
 
@@ -147,7 +147,7 @@ TEST(CompactFlatMapTest, Emplace)
     EXPECT_EQ(it->second, "place");
 }
 
-TEST(CompactFlatMapTest, Subscript)
+TEST(TCompactFlatMapTest, Subscript)
 {
     auto m = CreateMap();
 
@@ -158,7 +158,7 @@ TEST(CompactFlatMapTest, Subscript)
     EXPECT_EQ(m.ssize(), 5);
 }
 
-TEST(CompactFlatMapTest, Erase)
+TEST(TCompactFlatMapTest, Erase)
 {
     auto m = CreateMap();
 
@@ -172,7 +172,7 @@ TEST(CompactFlatMapTest, Erase)
     EXPECT_TRUE(m.empty());
 }
 
-TEST(CompactFlatMapTest, GrowShrink)
+TEST(TCompactFlatMapTest, GrowShrink)
 {
     TMap m;
     m.insert({"Two", "vast"});
@@ -192,7 +192,7 @@ TEST(CompactFlatMapTest, GrowShrink)
     // Must not crash or trigger asan.
 }
 
-TEST(CompactFlatMapTest, GrowShrinkGrow)
+TEST(TCompactFlatMapTest, GrowShrinkGrow)
 {
     TMap m;
     m.insert({"Two", "vast"});
diff --git a/library/cpp/yt/small_containers/unittests/compact_set_ut.cpp b/library/cpp/yt/small_containers/unittests/compact_set_ut.cpp
index ebab5846e1..17b96a2195 100644
--- a/library/cpp/yt/small_containers/unittests/compact_set_ut.cpp
+++ b/library/cpp/yt/small_containers/unittests/compact_set_ut.cpp
@@ -21,181 +21,188 @@ namespace {
 
 ////////////////////////////////////////////////////////////////////////////////
 
-TEST(CompactSetTest, Insert) {
+TEST(TCompactSetTest, Insert)
+{
+    TCompactSet<int, 4> s1;
 
-  TCompactSet<int, 4> s1;
+    for (int i = 0; i < 4; i++)
+        s1.insert(i);
 
-  for (int i = 0; i < 4; i++)
-    s1.insert(i);
+    for (int i = 0; i < 4; i++)
+        s1.insert(i);
 
-  for (int i = 0; i < 4; i++)
-    s1.insert(i);
+    EXPECT_EQ(4u, s1.size());
 
-  EXPECT_EQ(4u, s1.size());
+    for (int i = 0; i < 4; i++)
+        EXPECT_EQ(1u, s1.count(i));
 
-  for (int i = 0; i < 4; i++)
-    EXPECT_EQ(1u, s1.count(i));
-
-  EXPECT_EQ(0u, s1.count(4));
+    EXPECT_EQ(0u, s1.count(4));
 }
 
-TEST(CompactSetTest, Grow) {
-  TCompactSet<int, 4> s1;
+TEST(TCompactSetTest, Grow)
+{
+    TCompactSet<int, 4> s1;
 
-  for (int i = 0; i < 8; i++)
-    s1.insert(i);
+    for (int i = 0; i < 8; i++)
+        s1.insert(i);
 
-  EXPECT_EQ(8u, s1.size());
+    EXPECT_EQ(8u, s1.size());
 
-  for (int i = 0; i < 8; i++)
-    EXPECT_EQ(1u, s1.count(i));
+    for (int i = 0; i < 8; i++)
+        EXPECT_EQ(1u, s1.count(i));
 
-  EXPECT_EQ(0u, s1.count(8));
+    EXPECT_EQ(0u, s1.count(8));
 }
 
-TEST(CompactSetTest, Erase) {
-  TCompactSet<int, 4> s1;
+TEST(TCompactSetTest, Erase)
+{
+    TCompactSet<int, 4> s1;
 
-  for (int i = 0; i < 8; i++)
-    s1.insert(i);
+    for (int i = 0; i < 8; i++)
+        s1.insert(i);
 
-  EXPECT_EQ(8u, s1.size());
+    EXPECT_EQ(8u, s1.size());
 
-  // Remove elements one by one and check if all other elements are still there.
-  for (int i = 0; i < 8; i++) {
-    EXPECT_EQ(1u, s1.count(i));
-    EXPECT_TRUE(s1.erase(i));
-    EXPECT_EQ(0u, s1.count(i));
-    EXPECT_EQ(8u - i - 1, s1.size());
-    for (int j = i + 1; j < 8; j++)
-      EXPECT_EQ(1u, s1.count(j));
-  }
+    // Remove elements one by one and check if all other elements are still there.
+    for (int i = 0; i < 8; i++) {
+        EXPECT_EQ(1u, s1.count(i));
+        EXPECT_TRUE(s1.erase(i));
+        EXPECT_EQ(0u, s1.count(i));
+        EXPECT_EQ(8u - i - 1, s1.size());
+        for (int j = i + 1; j < 8; j++)
+            EXPECT_EQ(1u, s1.count(j));
+    }
 
-  EXPECT_EQ(0u, s1.count(8));
+    EXPECT_EQ(0u, s1.count(8));
 }
 
-TEST(CompactSetTest, IteratorInt) {
-  TCompactSet<int, 4> s1;
-
-  // Test the 'small' case.
-  for (int i = 0; i < 3; i++)
-    s1.insert(i);
-
-  std::vector<int> V(s1.begin(), s1.end());
-  // Make sure the elements are in the expected order.
-  std::sort(V.begin(), V.end());
-  for (int i = 0; i < 3; i++)
-    EXPECT_EQ(i, V[i]);
-
-  // Test the 'big' case by adding a few more elements to switch to std::set
-  // internally.
-  for (int i = 3; i < 6; i++)
-    s1.insert(i);
-
-  V.assign(s1.begin(), s1.end());
-  // Make sure the elements are in the expected order.
-  std::sort(V.begin(), V.end());
-  for (int i = 0; i < 6; i++)
-    EXPECT_EQ(i, V[i]);
+TEST(TCompactSetTest, IteratorInt)
+{
+    TCompactSet<int, 4> s1;
+
+    // Test the 'small' case.
+    for (int i = 0; i < 3; i++)
+        s1.insert(i);
+
+    std::vector<int> V(s1.begin(), s1.end());
+    // Make sure the elements are in the expected order.
+    std::sort(V.begin(), V.end());
+    for (int i = 0; i < 3; i++)
+        EXPECT_EQ(i, V[i]);
+
+    // Test the 'big' case by adding a few more elements to switch to std::set
+    // internally.
+    for (int i = 3; i < 6; i++)
+        s1.insert(i);
+
+    V.assign(s1.begin(), s1.end());
+    // Make sure the elements are in the expected order.
+    std::sort(V.begin(), V.end());
+    for (int i = 0; i < 6; i++)
+        EXPECT_EQ(i, V[i]);
 }
 
-TEST(CompactSetTest, IteratorString) {
-  // Test CompactSetIterator for TCompactSet with a type with non-trivial
-  // ctors/dtors.
-  TCompactSet<std::string, 2> s1;
-
-  s1.insert("str 1");
-  s1.insert("str 2");
-  s1.insert("str 1");
-
-  std::vector<std::string> V(s1.begin(), s1.end());
-  std::sort(V.begin(), V.end());
-  EXPECT_EQ(2u, s1.size());
-  EXPECT_EQ("str 1", V[0]);
-  EXPECT_EQ("str 2", V[1]);
-
-  s1.insert("str 4");
-  s1.insert("str 0");
-  s1.insert("str 4");
-
-  V.assign(s1.begin(), s1.end());
-  // Make sure the elements are in the expected order.
-  std::sort(V.begin(), V.end());
-  EXPECT_EQ(4u, s1.size());
-  EXPECT_EQ("str 0", V[0]);
-  EXPECT_EQ("str 1", V[1]);
-  EXPECT_EQ("str 2", V[2]);
-  EXPECT_EQ("str 4", V[3]);
+TEST(TCompactSetTest, IteratorString)
+{
+    // Test CompactSetIterator for TCompactSet with a type with non-trivial
+    // ctors/dtors.
+    TCompactSet<std::string, 2> s1;
+
+    s1.insert("str 1");
+    s1.insert("str 2");
+    s1.insert("str 1");
+
+    std::vector<std::string> V(s1.begin(), s1.end());
+    std::sort(V.begin(), V.end());
+    EXPECT_EQ(2u, s1.size());
+    EXPECT_EQ("str 1", V[0]);
+    EXPECT_EQ("str 2", V[1]);
+
+    s1.insert("str 4");
+    s1.insert("str 0");
+    s1.insert("str 4");
+
+    V.assign(s1.begin(), s1.end());
+    // Make sure the elements are in the expected order.
+    std::sort(V.begin(), V.end());
+    EXPECT_EQ(4u, s1.size());
+    EXPECT_EQ("str 0", V[0]);
+    EXPECT_EQ("str 1", V[1]);
+    EXPECT_EQ("str 2", V[2]);
+    EXPECT_EQ("str 4", V[3]);
 }
 
-TEST(CompactSetTest, IteratorIncMoveCopy) {
-  // Test CompactSetIterator for TCompactSet with a type with non-trivial
-  // ctors/dtors.
-  TCompactSet<std::string, 2> s1;
-
-  s1.insert("str 1");
-  s1.insert("str 2");
-
-  auto Iter = s1.begin();
-  EXPECT_EQ("str 1", *Iter);
-  ++Iter;
-  EXPECT_EQ("str 2", *Iter);
-
-  s1.insert("str 4");
-  s1.insert("str 0");
-  auto Iter2 = s1.begin();
-  Iter = std::move(Iter2);
-  EXPECT_EQ("str 0", *Iter);
+TEST(TCompactSetTest, IteratorIncMoveCopy)
+{
+    // Test CompactSetIterator for TCompactSet with a type with non-trivial
+    // ctors/dtors.
+    TCompactSet<std::string, 2> s1;
+
+    s1.insert("str 1");
+    s1.insert("str 2");
+
+    auto Iter = s1.begin();
+    EXPECT_EQ("str 1", *Iter);
+    ++Iter;
+    EXPECT_EQ("str 2", *Iter);
+
+    s1.insert("str 4");
+    s1.insert("str 0");
+    auto Iter2 = s1.begin();
+    Iter = std::move(Iter2);
+    EXPECT_EQ("str 0", *Iter);
 }
 
 // These test weren't taken from llvm.
 
-TEST(CompactSetTest, Empty) {
-  TCompactSet<int, 10> v;
-  EXPECT_TRUE(v.empty());
-
-  auto data = {1, 2, 3, 4, 5};
-
-  v.insert(data.begin(), data.end()); // not crossing size threshold
-  v.erase(4);
-  v.erase(2);
-  v.erase(3);
-  v.erase(5);
-  v.erase(1);
-  EXPECT_TRUE(v.empty());
-
-  auto data2 = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
-  v.insert(data2.begin(), data2.end()); // crossing size threshold
-  v.erase(7);
-  v.erase(3);
-  v.erase(1);
-  v.erase(10);
-  v.erase(9);
-  v.erase(0);
-  v.erase(2);
-  v.erase(6);
-  v.erase(4);
-  v.erase(5);
-  v.erase(8);
-  EXPECT_TRUE(v.empty());
+TEST(TCompactSetTest, Empty)
+{
+    TCompactSet<int, 10> v;
+    EXPECT_TRUE(v.empty());
+
+    auto data = {1, 2, 3, 4, 5};
+
+    v.insert(data.begin(), data.end()); // not crossing size threshold
+    v.erase(4);
+    v.erase(2);
+    v.erase(3);
+    v.erase(5);
+    v.erase(1);
+    EXPECT_TRUE(v.empty());
+
+    auto data2 = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
+    v.insert(data2.begin(), data2.end()); // crossing size threshold
+    v.erase(7);
+    v.erase(3);
+    v.erase(1);
+    v.erase(10);
+    v.erase(9);
+    v.erase(0);
+    v.erase(2);
+    v.erase(6);
+    v.erase(4);
+    v.erase(5);
+    v.erase(8);
+    EXPECT_TRUE(v.empty());
 }
 
-TEST(CompactSetTest, ForEach) {
-  TCompactSet<int, 10> v;
+TEST(TCompactSetTest, ForEach)
+{
+    TCompactSet<int, 10> v;
 
-  auto data = {10, 9, 3, 4, 1, 5, 6, 8};
+    auto data = {10, 9, 3, 4, 1, 5, 6, 8};
 
-  v.insert(data.begin(), data.end());
+    v.insert(data.begin(), data.end());
 
-  std::vector<int> buf(v.begin(), v.end());
-  std::vector<int> expected{1, 3, 4, 5, 6, 8, 9, 10};
-  EXPECT_EQ(expected, buf);
+    std::vector<int> buf(v.begin(), v.end());
+    std::vector<int> expected{1, 3, 4, 5, 6, 8, 9, 10};
+    EXPECT_EQ(expected, buf);
 
-  auto data2 = {7, 1, 2, 0};
-  v.insert(data2.begin(), data2.end());
-  buf.assign(v.begin(), v.end());
-  expected = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
-  EXPECT_EQ(expected, buf);
+    auto data2 = {7, 1, 2, 0};
+    v.insert(data2.begin(), data2.end());
+    buf.assign(v.begin(), v.end());
+    expected = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
+    EXPECT_EQ(expected, buf);
 }
 
 ////////////////////////////////////////////////////////////////////////////////