From 347bd3e7566434e5f11a693d973e74bdcb48b87f Mon Sep 17 00:00:00 2001
From: BlackMATov <blackmatov@gmail.com>
Date: Sun, 5 May 2019 09:21:25 +0700
Subject: [PATCH] fix gcc 4.9 unit test compilation

---
 flat_map_tests.cpp | 21 +++++++++++++++++++++
 flat_set_tests.cpp | 21 +++++++++++++++++++++
 2 files changed, 42 insertions(+)

diff --git a/flat_map_tests.cpp b/flat_map_tests.cpp
index eb7bb54..9424e42 100644
--- a/flat_map_tests.cpp
+++ b/flat_map_tests.cpp
@@ -17,8 +17,20 @@ namespace
     template < typename T >
     class dummy_allocator {
     public:
+        using size_type = std::size_t;
+        using difference_type = std::ptrdiff_t;
+        using pointer = T*;
+        using const_pointer = const T*;
+        using reference = T&;
+        using const_reference = const T&;
         using value_type = T;
 
+        using propagate_on_container_move_assignment = std::true_type;
+        using is_always_equal = std::true_type;
+
+        template < typename U >
+        struct rebind { using other = dummy_allocator<U>; };
+
         dummy_allocator() = default;
         dummy_allocator(int i) : i(i) {}
 
@@ -36,6 +48,15 @@ namespace
             std::free(p);
         }
 
+        template < typename U, typename... Args >
+        void construct(U* p, Args&&... args) {
+            ::new((void*)p) U(std::forward<Args>(args)...);
+        }
+
+        void destroy(pointer p) {
+            p->~T();
+        }
+
         int i = 0;
     };
 
diff --git a/flat_set_tests.cpp b/flat_set_tests.cpp
index 5c5332e..54e2f2e 100644
--- a/flat_set_tests.cpp
+++ b/flat_set_tests.cpp
@@ -17,8 +17,20 @@ namespace
     template < typename T >
     class dummy_allocator {
     public:
+        using size_type = std::size_t;
+        using difference_type = std::ptrdiff_t;
+        using pointer = T*;
+        using const_pointer = const T*;
+        using reference = T&;
+        using const_reference = const T&;
         using value_type = T;
 
+        using propagate_on_container_move_assignment = std::true_type;
+        using is_always_equal = std::true_type;
+
+        template < typename U >
+        struct rebind { using other = dummy_allocator<U>; };
+
         dummy_allocator() = default;
         dummy_allocator(int i) : i(i) {}
 
@@ -36,6 +48,15 @@ namespace
             std::free(p);
         }
 
+        template < typename U, typename... Args >
+        void construct(U* p, Args&&... args) {
+            ::new((void*)p) U(std::forward<Args>(args)...);
+        }
+
+        void destroy(pointer p) {
+            p->~T();
+        }
+
         int i = 0;
     };