[libcxx-commits] [libcxx] [libc++] Validate exception throwing for vector mutators on max_size violation (PR #131953)

[Peng Liu via libcxx-commits]

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@@ -0,0 +1,56 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
+// UNSUPPORTED: no-exceptions
+
+// <vector>
+// vector<bool>
+
+// template<container-compatible-range<bool> R>
+//   constexpr void append_range(R&& rg); // C++23
+
+#include <cassert>
+#include <stdexcept>
+#include <vector>
+
+#include "../insert_range_sequence_containers.h"
+#include "test_allocator.h"
+
+int main(int, char**) {
+  // Note: `test_append_range_exception_safety_throwing_copy` doesn't apply because copying booleans cannot throw.
+  test_append_range_exception_safety_throwing_allocator<std::vector, bool>();
+
+  {
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winner245 wrote:

I've made the two tests more different by starting with an empty versus a non-empty vector, with comments added to explain this difference. For most other tests, I've also added comments wherever needed. 

https://github.com/llvm/llvm-project/pull/131953