[libcxx-commits] [libcxx] libc++ test: update MinSequenceContainer.h to make some tests pass on MSVC STL (PR #140287)

via libcxx-commits libcxx-commits at lists.llvm.org
Sat May 24 05:44:56 PDT 2025


https://github.com/huixie90 updated https://github.com/llvm/llvm-project/pull/140287

>From 3cc37fb1039f5895f9c35cf4fe1dea8e88a5a566 Mon Sep 17 00:00:00 2001
From: Alex Guteniev <gutenev at gmail.com>
Date: Fri, 16 May 2025 20:50:08 +0300
Subject: [PATCH 1/9] libc++ test: update MinSequenceContainer.h to make some
 tests pass on MSVC STL

---
 libcxx/test/support/MinSequenceContainer.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/libcxx/test/support/MinSequenceContainer.h b/libcxx/test/support/MinSequenceContainer.h
index 6e61aff06344b..b17ced6dfc2ff 100644
--- a/libcxx/test/support/MinSequenceContainer.h
+++ b/libcxx/test/support/MinSequenceContainer.h
@@ -28,6 +28,13 @@ struct MinSequenceContainer {
   template <class It>
   explicit MinSequenceContainer(It first, It last) : data_(first, last) {}
   MinSequenceContainer(std::initializer_list<T> il) : data_(il) {}
+
+  template <class It>
+  void assign(It first, It last) {
+    data_.assign(first, last);
+  }
+  void assign(std::initializer_list<T> il) { data_.assign(il); }
+  void assign(size_type n, value_type t) { data_.assign(n, t); }
   iterator begin() { return iterator(data_.data()); }
   const_iterator begin() const { return const_iterator(data_.data()); }
   const_iterator cbegin() const { return const_iterator(data_.data()); }
@@ -47,6 +54,8 @@ struct MinSequenceContainer {
     return from_vector_iterator(data_.insert(to_vector_iterator(p), std::move(value)));
   }
 
+  iterator insert_range(const_iterator p, auto rg) { return data_.insert_range((to_vector_iterator(p), rg); }
+
   iterator erase(const_iterator first, const_iterator last) {
     return from_vector_iterator(data_.erase(to_vector_iterator(first), to_vector_iterator(last)));
   }

>From 80c9da7280cab868d5ea2c0550a85b91d8b9e41a Mon Sep 17 00:00:00 2001
From: Alex Guteniev <gutenev at gmail.com>
Date: Fri, 16 May 2025 20:57:31 +0300
Subject: [PATCH 2/9] Update MinSequenceContainer.h

---
 libcxx/test/support/MinSequenceContainer.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libcxx/test/support/MinSequenceContainer.h b/libcxx/test/support/MinSequenceContainer.h
index b17ced6dfc2ff..db875b9243579 100644
--- a/libcxx/test/support/MinSequenceContainer.h
+++ b/libcxx/test/support/MinSequenceContainer.h
@@ -54,7 +54,8 @@ struct MinSequenceContainer {
     return from_vector_iterator(data_.insert(to_vector_iterator(p), std::move(value)));
   }
 
-  iterator insert_range(const_iterator p, auto rg) { return data_.insert_range((to_vector_iterator(p), rg); }
+  iterator insert_range(const_iterator p, auto rg) { return data_.insert_range((to_vector_iterator(p), rg);
+  }
 
   iterator erase(const_iterator first, const_iterator last) {
     return from_vector_iterator(data_.erase(to_vector_iterator(first), to_vector_iterator(last)));

>From 3a0bcac1b8a8ae983fe92f2feff03f18981efb60 Mon Sep 17 00:00:00 2001
From: Alex Guteniev <gutenev at gmail.com>
Date: Fri, 16 May 2025 21:13:31 +0300
Subject: [PATCH 3/9] remove extra `(`

---
 libcxx/test/support/MinSequenceContainer.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/libcxx/test/support/MinSequenceContainer.h b/libcxx/test/support/MinSequenceContainer.h
index db875b9243579..3a7d4df7fb058 100644
--- a/libcxx/test/support/MinSequenceContainer.h
+++ b/libcxx/test/support/MinSequenceContainer.h
@@ -54,8 +54,7 @@ struct MinSequenceContainer {
     return from_vector_iterator(data_.insert(to_vector_iterator(p), std::move(value)));
   }
 
-  iterator insert_range(const_iterator p, auto rg) { return data_.insert_range((to_vector_iterator(p), rg);
-  }
+  iterator insert_range(const_iterator p, auto rg) { return data_.insert_range(to_vector_iterator(p), rg); }
 
   iterator erase(const_iterator first, const_iterator last) {
     return from_vector_iterator(data_.erase(to_vector_iterator(first), to_vector_iterator(last)));

>From a32c5975a4f0f114e167aa397d7685d5569b4bdf Mon Sep 17 00:00:00 2001
From: Alex Guteniev <gutenev at gmail.com>
Date: Fri, 16 May 2025 22:06:42 +0300
Subject: [PATCH 4/9] convert iterator back

---
 libcxx/test/support/MinSequenceContainer.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libcxx/test/support/MinSequenceContainer.h b/libcxx/test/support/MinSequenceContainer.h
index 3a7d4df7fb058..ef61f20b9665f 100644
--- a/libcxx/test/support/MinSequenceContainer.h
+++ b/libcxx/test/support/MinSequenceContainer.h
@@ -54,7 +54,9 @@ struct MinSequenceContainer {
     return from_vector_iterator(data_.insert(to_vector_iterator(p), std::move(value)));
   }
 
-  iterator insert_range(const_iterator p, auto rg) { return data_.insert_range(to_vector_iterator(p), rg); }
+  iterator insert_range(const_iterator p, auto rg) {
+    return from_vector_iterator(data_.insert_range(to_vector_iterator(p), rg));
+  }
 
   iterator erase(const_iterator first, const_iterator last) {
     return from_vector_iterator(data_.erase(to_vector_iterator(first), to_vector_iterator(last)));

>From 7e22b537f74b9cdb2a93f5556eab933693514fe4 Mon Sep 17 00:00:00 2001
From: Alex Guteniev <gutenev at gmail.com>
Date: Fri, 16 May 2025 22:26:02 +0300
Subject: [PATCH 5/9] feature test

---
 libcxx/test/support/MinSequenceContainer.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libcxx/test/support/MinSequenceContainer.h b/libcxx/test/support/MinSequenceContainer.h
index ef61f20b9665f..74306d7143bf6 100644
--- a/libcxx/test/support/MinSequenceContainer.h
+++ b/libcxx/test/support/MinSequenceContainer.h
@@ -54,9 +54,11 @@ struct MinSequenceContainer {
     return from_vector_iterator(data_.insert(to_vector_iterator(p), std::move(value)));
   }
 
+#if defined(__cpp_lib_containers_ranges) && __cpp_lib_containers_ranges >= 202202L
   iterator insert_range(const_iterator p, auto rg) {
     return from_vector_iterator(data_.insert_range(to_vector_iterator(p), rg));
   }
+#endif // defined(__cpp_lib_containers_ranges) && __cpp_lib_containers_ranges >= 202202L
 
   iterator erase(const_iterator first, const_iterator last) {
     return from_vector_iterator(data_.erase(to_vector_iterator(first), to_vector_iterator(last)));

>From 14932833b9007fcab3463553c818b1d3e98abb37 Mon Sep 17 00:00:00 2001
From: Alex Guteniev <gutenev at gmail.com>
Date: Fri, 16 May 2025 22:35:23 +0300
Subject: [PATCH 6/9] perfect forward

---
 libcxx/test/support/MinSequenceContainer.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/libcxx/test/support/MinSequenceContainer.h b/libcxx/test/support/MinSequenceContainer.h
index 74306d7143bf6..387c95476059d 100644
--- a/libcxx/test/support/MinSequenceContainer.h
+++ b/libcxx/test/support/MinSequenceContainer.h
@@ -55,8 +55,9 @@ struct MinSequenceContainer {
   }
 
 #if defined(__cpp_lib_containers_ranges) && __cpp_lib_containers_ranges >= 202202L
-  iterator insert_range(const_iterator p, auto rg) {
-    return from_vector_iterator(data_.insert_range(to_vector_iterator(p), rg));
+  template <class Rng>
+  iterator insert_range(const_iterator p, Rng&& rg) {
+    return from_vector_iterator(data_.insert_range(to_vector_iterator(p), std::forward<Rng>(rg)));
   }
 #endif // defined(__cpp_lib_containers_ranges) && __cpp_lib_containers_ranges >= 202202L
 

>From cf832bf82d27fc1550511d14874ca23e632871dc Mon Sep 17 00:00:00 2001
From: Alex Guteniev <gutenev at gmail.com>
Date: Sat, 17 May 2025 13:04:48 +0300
Subject: [PATCH 7/9] code review feedback

---
 libcxx/test/support/MinSequenceContainer.h | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/libcxx/test/support/MinSequenceContainer.h b/libcxx/test/support/MinSequenceContainer.h
index 387c95476059d..ccc17b79288bc 100644
--- a/libcxx/test/support/MinSequenceContainer.h
+++ b/libcxx/test/support/MinSequenceContainer.h
@@ -54,12 +54,10 @@ struct MinSequenceContainer {
     return from_vector_iterator(data_.insert(to_vector_iterator(p), std::move(value)));
   }
 
-#if defined(__cpp_lib_containers_ranges) && __cpp_lib_containers_ranges >= 202202L
-  template <class Rng>
-  iterator insert_range(const_iterator p, Rng&& rg) {
-    return from_vector_iterator(data_.insert_range(to_vector_iterator(p), std::forward<Rng>(rg)));
+  template <class Range>
+  iterator insert_range(const_iterator p, Range&& rg) {
+    return from_vector_iterator(data_.insert_range(to_vector_iterator(p), std::forward<Range>(rg)));
   }
-#endif // defined(__cpp_lib_containers_ranges) && __cpp_lib_containers_ranges >= 202202L
 
   iterator erase(const_iterator first, const_iterator last) {
     return from_vector_iterator(data_.erase(to_vector_iterator(first), to_vector_iterator(last)));

>From 5a76bc5fded185ad4b5eeada827798f3f3a55f71 Mon Sep 17 00:00:00 2001
From: Alex Guteniev <gutenev at gmail.com>
Date: Sat, 17 May 2025 15:04:55 +0300
Subject: [PATCH 8/9] conditionally have `insert_range`

---
 libcxx/test/support/MinSequenceContainer.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libcxx/test/support/MinSequenceContainer.h b/libcxx/test/support/MinSequenceContainer.h
index ccc17b79288bc..168d91ebcd8ac 100644
--- a/libcxx/test/support/MinSequenceContainer.h
+++ b/libcxx/test/support/MinSequenceContainer.h
@@ -54,10 +54,12 @@ struct MinSequenceContainer {
     return from_vector_iterator(data_.insert(to_vector_iterator(p), std::move(value)));
   }
 
+#if !defined(_LIBCPP_VERSION) // libc++ supports pre-C++23 containers as an extension
   template <class Range>
   iterator insert_range(const_iterator p, Range&& rg) {
     return from_vector_iterator(data_.insert_range(to_vector_iterator(p), std::forward<Range>(rg)));
   }
+#endif // !defined(_LIBCPP_VERSION)
 
   iterator erase(const_iterator first, const_iterator last) {
     return from_vector_iterator(data_.erase(to_vector_iterator(first), to_vector_iterator(last)));

>From 50e852b21b9f44945c866ba2ca772a60fe73773c Mon Sep 17 00:00:00 2001
From: Alex Guteniev <gutenev at gmail.com>
Date: Sat, 17 May 2025 15:13:56 +0300
Subject: [PATCH 9/9] use `insert_range` unconditionally

---
 libcxx/test/support/MinSequenceContainer.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/libcxx/test/support/MinSequenceContainer.h b/libcxx/test/support/MinSequenceContainer.h
index 168d91ebcd8ac..ccc17b79288bc 100644
--- a/libcxx/test/support/MinSequenceContainer.h
+++ b/libcxx/test/support/MinSequenceContainer.h
@@ -54,12 +54,10 @@ struct MinSequenceContainer {
     return from_vector_iterator(data_.insert(to_vector_iterator(p), std::move(value)));
   }
 
-#if !defined(_LIBCPP_VERSION) // libc++ supports pre-C++23 containers as an extension
   template <class Range>
   iterator insert_range(const_iterator p, Range&& rg) {
     return from_vector_iterator(data_.insert_range(to_vector_iterator(p), std::forward<Range>(rg)));
   }
-#endif // !defined(_LIBCPP_VERSION)
 
   iterator erase(const_iterator first, const_iterator last) {
     return from_vector_iterator(data_.erase(to_vector_iterator(first), to_vector_iterator(last)));



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