From b520289660c5f81ff31510ba01d68256ddffcecf Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Sat, 9 Oct 2021 20:12:32 +0300
Subject: [PATCH] Test std::pmr::string in sv_eq_test

---
 include/boost/core/string_view.hpp | 24 ++++++++++++------------
 test/sv_eq_test.cpp                | 21 +++++++++++++++++++++
 2 files changed, 33 insertions(+), 12 deletions(-)

diff --git a/include/boost/core/string_view.hpp b/include/boost/core/string_view.hpp
index 4272b69..246e79c 100644
--- a/include/boost/core/string_view.hpp
+++ b/include/boost/core/string_view.hpp
@@ -1073,62 +1073,62 @@ public:
 
     // against std::string
 
-    BOOST_CXX14_CONSTEXPR friend bool operator==( basic_string_view sv1, std::basic_string<Ch> const& sv2 ) BOOST_NOEXCEPT
+    template<class A> BOOST_CXX14_CONSTEXPR friend bool operator==( basic_string_view sv1, std::basic_string<Ch, std::char_traits<Ch>, A> const& sv2 ) BOOST_NOEXCEPT
     {
         return sv1.compare( sv2 ) == 0;
     }
 
-    BOOST_CXX14_CONSTEXPR friend bool operator==( std::basic_string<Ch> const& sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
+    template<class A> BOOST_CXX14_CONSTEXPR friend bool operator==( std::basic_string<Ch, std::char_traits<Ch>, A> const& sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
     {
         return sv2.compare( sv1 ) == 0;
     }
 
-    BOOST_CXX14_CONSTEXPR friend bool operator!=( basic_string_view sv1, std::basic_string<Ch> const& sv2 ) BOOST_NOEXCEPT
+    template<class A> BOOST_CXX14_CONSTEXPR friend bool operator!=( basic_string_view sv1, std::basic_string<Ch, std::char_traits<Ch>, A> const& sv2 ) BOOST_NOEXCEPT
     {
         return sv1.compare( sv2 ) != 0;
     }
 
-    BOOST_CXX14_CONSTEXPR friend bool operator!=( std::basic_string<Ch> const& sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
+    template<class A> BOOST_CXX14_CONSTEXPR friend bool operator!=( std::basic_string<Ch, std::char_traits<Ch>, A> const& sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
     {
         return sv2.compare( sv1 ) != 0;
     }
 
-    BOOST_CXX14_CONSTEXPR friend bool operator<( basic_string_view sv1, std::basic_string<Ch> const& sv2 ) BOOST_NOEXCEPT
+    template<class A> BOOST_CXX14_CONSTEXPR friend bool operator<( basic_string_view sv1, std::basic_string<Ch, std::char_traits<Ch>, A> const& sv2 ) BOOST_NOEXCEPT
     {
         return sv1.compare( sv2 ) < 0;
     }
 
-    BOOST_CXX14_CONSTEXPR friend bool operator<( std::basic_string<Ch> const& sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
+    template<class A> BOOST_CXX14_CONSTEXPR friend bool operator<( std::basic_string<Ch, std::char_traits<Ch>, A> const& sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
     {
         return sv2.compare( sv1 ) > 0;
     }
 
-    BOOST_CXX14_CONSTEXPR friend bool operator<=( basic_string_view sv1, std::basic_string<Ch> const& sv2 ) BOOST_NOEXCEPT
+    template<class A> BOOST_CXX14_CONSTEXPR friend bool operator<=( basic_string_view sv1, std::basic_string<Ch, std::char_traits<Ch>, A> const& sv2 ) BOOST_NOEXCEPT
     {
         return sv1.compare( sv2 ) <= 0;
     }
 
-    BOOST_CXX14_CONSTEXPR friend bool operator<=( std::basic_string<Ch> const& sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
+    template<class A> BOOST_CXX14_CONSTEXPR friend bool operator<=( std::basic_string<Ch, std::char_traits<Ch>, A> const& sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
     {
         return sv2.compare( sv1 ) >= 0;
     }
 
-    BOOST_CXX14_CONSTEXPR friend bool operator>( basic_string_view sv1, std::basic_string<Ch> const& sv2 ) BOOST_NOEXCEPT
+    template<class A> BOOST_CXX14_CONSTEXPR friend bool operator>( basic_string_view sv1, std::basic_string<Ch, std::char_traits<Ch>, A> const& sv2 ) BOOST_NOEXCEPT
     {
         return sv1.compare( sv2 ) > 0;
     }
 
-    BOOST_CXX14_CONSTEXPR friend bool operator>( std::basic_string<Ch> const& sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
+    template<class A> BOOST_CXX14_CONSTEXPR friend bool operator>( std::basic_string<Ch, std::char_traits<Ch>, A> const& sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
     {
         return sv2.compare( sv1 ) < 0;
     }
 
-    BOOST_CXX14_CONSTEXPR friend bool operator>=( basic_string_view sv1, std::basic_string<Ch> const& sv2 ) BOOST_NOEXCEPT
+    template<class A> BOOST_CXX14_CONSTEXPR friend bool operator>=( basic_string_view sv1, std::basic_string<Ch, std::char_traits<Ch>, A> const& sv2 ) BOOST_NOEXCEPT
     {
         return sv1.compare( sv2 ) >= 0;
     }
 
-    BOOST_CXX14_CONSTEXPR friend bool operator>=( std::basic_string<Ch> const& sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
+    template<class A> BOOST_CXX14_CONSTEXPR friend bool operator>=( std::basic_string<Ch, std::char_traits<Ch>, A> const& sv1, basic_string_view sv2 ) BOOST_NOEXCEPT
     {
         return sv2.compare( sv1 ) <= 0;
     }
diff --git a/test/sv_eq_test.cpp b/test/sv_eq_test.cpp
index 3511a14..ea48831 100644
--- a/test/sv_eq_test.cpp
+++ b/test/sv_eq_test.cpp
@@ -8,6 +8,9 @@
 #if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
 # include <string_view>
 #endif
+#if !defined(BOOST_NO_CXX17_HDR_MEMORY_RESOURCE)
+# include <memory_resource>
+#endif
 
 #define TEST_EQ(x, y) \
     BOOST_TEST_EQ(x, y); \
@@ -85,6 +88,24 @@ int main()
         BOOST_TEST_NE( sv3, std::string_view( "122" ) );
         BOOST_TEST_NE( std::string_view( "122" ), sv3 );
 
+#endif
+
+#if !defined(BOOST_NO_CXX17_HDR_MEMORY_RESOURCE)
+
+        using pmr_string = std::basic_string<char, std::char_traits<char>, std::pmr::polymorphic_allocator<char>>;
+
+        BOOST_TEST_EQ( sv1, pmr_string( "" ) );
+        BOOST_TEST_EQ( pmr_string( "" ), sv1 );
+
+        BOOST_TEST_NE( sv1, pmr_string( "1" ) );
+        BOOST_TEST_NE( pmr_string( "1" ), sv1 );
+
+        BOOST_TEST_EQ( sv3, pmr_string( "123" ) );
+        BOOST_TEST_EQ( pmr_string( "123" ), sv3 );
+
+        BOOST_TEST_NE( sv3, pmr_string( "122" ) );
+        BOOST_TEST_NE( pmr_string( "122" ), sv3 );
+
 #endif
     }