max_size.pass.cpp (1280B)
1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <deque> 11 12 // size_type max_size() const; 13 14 #include <cassert> 15 #include <deque> 16 #include <limits> 17 #include <type_traits> 18 19 #include "test_allocator.h" 20 #include "test_macros.h" 21 22 int main() { 23 { 24 typedef limited_allocator<int, 10> A; 25 typedef std::deque<int, A> C; 26 C c; 27 assert(c.max_size() <= 10); 28 LIBCPP_ASSERT(c.max_size() == 10); 29 } 30 { 31 typedef limited_allocator<int, (size_t)-1> A; 32 typedef std::deque<int, A> C; 33 const C::size_type max_dist = 34 static_cast<C::size_type>(std::numeric_limits<C::difference_type>::max()); 35 C c; 36 assert(c.max_size() <= max_dist); 37 LIBCPP_ASSERT(c.max_size() == max_dist); 38 } 39 { 40 typedef std::deque<char> C; 41 const C::size_type max_dist = 42 static_cast<C::size_type>(std::numeric_limits<C::difference_type>::max()); 43 C c; 44 assert(c.max_size() <= max_dist); 45 assert(c.max_size() <= alloc_max_size(c.get_allocator())); 46 } 47 }