From e85018b7dd3a89dda6b22319b03b5906f8a85aed Mon Sep 17 00:00:00 2001
From: Nikolas Klauser <nikolasklauser@berlin.de>
Date: Mon, 7 Feb 2022 21:54:49 +0100
Subject: [libc++] Prepare string.{access, capacity, cons} tests for constexpr

Reviewed By: ldionne, #libc

Spies: libcxx-commits, arphaman

Differential Revision: https://reviews.llvm.org/D119123
---
 .../string.cons/pointer_assignment.pass.cpp        | 23 +++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

(limited to 'libcxx/test/std/strings/basic.string/string.cons/pointer_assignment.pass.cpp')

diff --git a/libcxx/test/std/strings/basic.string/string.cons/pointer_assignment.pass.cpp b/libcxx/test/std/strings/basic.string/string.cons/pointer_assignment.pass.cpp
index 4a885485bea5..972ba0b079b5 100644
--- a/libcxx/test/std/strings/basic.string/string.cons/pointer_assignment.pass.cpp
+++ b/libcxx/test/std/strings/basic.string/string.cons/pointer_assignment.pass.cpp
@@ -18,7 +18,7 @@
 #include "min_allocator.h"
 
 template <class S>
-void
+TEST_CONSTEXPR_CXX20 void
 test(S s1, const typename S::value_type* s2)
 {
     typedef typename S::traits_type T;
@@ -29,9 +29,8 @@ test(S s1, const typename S::value_type* s2)
     assert(s1.capacity() >= s1.size());
 }
 
-int main(int, char**)
-{
-    {
+bool test() {
+  {
     typedef std::string S;
     test(S(), "");
     test(S("1"), "");
@@ -48,9 +47,9 @@ int main(int, char**)
     test(S("1234567890123456789012345678901234567890123456789012345678901234567890"
            "1234567890123456789012345678901234567890123456789012345678901234567890"),
          "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
-    }
+  }
 #if TEST_STD_VER >= 11
-    {
+  {
     typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
     test(S(), "");
     test(S("1"), "");
@@ -67,7 +66,17 @@ int main(int, char**)
     test(S("1234567890123456789012345678901234567890123456789012345678901234567890"
            "1234567890123456789012345678901234567890123456789012345678901234567890"),
          "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
-    }
+  }
+#endif
+
+  return true;
+}
+
+int main(int, char**)
+{
+  test();
+#if TEST_STD_VER > 17
+  // static_assert(test());
 #endif
 
   return 0;
-- 
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