[PATCH] D73138: [libcxx] [test] Correct asserted type in subspan test; subspan with count should never produce dynamic_extent

[Louis Dionne via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rGa7dcbe90cc2d: [libc++] Fix overly complicated test of std::span's extent (authored by ldionne).
Herald added a project: libc++.
Herald added a subscriber: libcxx-commits.

Changed prior to commit:
  https://reviews.llvm.org/D73138?vs=239423&id=245236#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D73138/new/

https://reviews.llvm.org/D73138

Files:
  libcxx/test/std/containers/views/span.sub/subspan.pass.cpp


Index: libcxx/test/std/containers/views/span.sub/subspan.pass.cpp
===================================================================
--- libcxx/test/std/containers/views/span.sub/subspan.pass.cpp
+++ libcxx/test/std/containers/views/span.sub/subspan.pass.cpp
@@ -37,13 +37,7 @@
     using S2 = decltype(s2);
     ASSERT_SAME_TYPE(typename Span::value_type, typename S1::value_type);
     ASSERT_SAME_TYPE(typename Span::value_type, typename S2::value_type);
-    if constexpr (Count != std::dynamic_extent) {
-        static_assert(S1::extent == Count);
-    } else if constexpr (Span::extent != std::dynamic_extent) {
-        static_assert(S1::extent == Span::extent - Offset);
-    } else {
-        static_assert(S1::extent == std::dynamic_extent);
-    }
+    static_assert(S1::extent == Count);
     static_assert(S2::extent == std::dynamic_extent, "");
     return
         s1.data() == s2.data()
@@ -82,13 +76,7 @@
     using S2 = decltype(s2);
     ASSERT_SAME_TYPE(typename Span::value_type, typename S1::value_type);
     ASSERT_SAME_TYPE(typename Span::value_type, typename S2::value_type);
-    if constexpr (Count != std::dynamic_extent) {
-        static_assert(S1::extent == Count);
-    } else if constexpr (Span::extent != std::dynamic_extent) {
-        static_assert(S1::extent == Span::extent - Offset);
-    } else {
-        static_assert(S1::extent == std::dynamic_extent);
-    }
+    static_assert(S1::extent == Count);
     static_assert(S2::extent == std::dynamic_extent, "");
     assert(s1.data() == s2.data());
     assert(s1.size() == s2.size());


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