Support allocators with explicit conversion constructors. Fixes bug #29000
llvm-svn: 278904
diff --git a/libcxx/test/support/min_allocator.h b/libcxx/test/support/min_allocator.h
index 701159e..8e0afab 100644
--- a/libcxx/test/support/min_allocator.h
+++ b/libcxx/test/support/min_allocator.h
@@ -340,6 +340,31 @@
friend bool operator!=(min_allocator x, min_allocator y) {return !(x == y);}
};
+template <class T>
+class explicit_allocator
+{
+public:
+ typedef T value_type;
+
+ explicit_allocator() TEST_NOEXCEPT {}
+
+ template <class U>
+ explicit explicit_allocator(explicit_allocator<U>) TEST_NOEXCEPT {}
+
+ T* allocate(std::size_t n)
+ {
+ return static_cast<T*>(::operator new(n*sizeof(T)));
+ }
+
+ void deallocate(T* p, std::size_t)
+ {
+ return ::operator delete(static_cast<void*>(p));
+ }
+
+ friend bool operator==(explicit_allocator, explicit_allocator) {return true;}
+ friend bool operator!=(explicit_allocator x, explicit_allocator y) {return !(x == y);}
+};
+
#endif // TEST_STD_VER >= 11
#endif // MIN_ALLOCATOR_H