[libcxx-commits] [libcxx] [libc++][ranges] Implement `ranges::stride_view`. (PR #65200)

[Will Hawkins via libcxx-commits]

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@@ -0,0 +1,33 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+// UNSUPPORTED: libcpp-hardening-mode=none
+// XFAIL: availability-verbose_abort-missing
+
+#include "check_assertion.h"
+#include <ranges>
+
+int main(int, char**) {
+  {
+    int range[]   = {1, 2, 3};
+    auto striv    = std::ranges::views::stride(range, 3);
+    auto striv_it = striv.begin();
+    striv_it++;
+    TEST_LIBCPP_ASSERT_FAILURE(*striv_it, "Cannot dereference an iterator at the end.");
+  }
+  {
+    int range[]   = {1, 2, 3};
+    auto striv    = std::ranges::views::stride(range, 4);
+    auto striv_it = striv.begin();
+    striv_it++;
+    TEST_LIBCPP_ASSERT_FAILURE(*striv_it, "Cannot dereference an iterator at the end.");
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hawkinsw wrote:

Thanks! (3112b3d058c63568ce03a7fa5f3537124a40d7c4)

https://github.com/llvm/llvm-project/pull/65200