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 // <unordered_map> 11 12 // template <class Key, class Value, class Hash = hash<Key>, class Pred = equal_to<Key>, 13 // class Alloc = allocator<pair<const Key, Value>>> 14 // class unordered_map 15 16 // void swap(unordered_map& x, unordered_map& y); 17 18 #if _LIBCPP_DEBUG >= 1 19 #define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::exit(0)) 20 #endif 21 22 #include <unordered_map> 23 #include <cassert> 24 25 int main() 26 { 27 #if _LIBCPP_DEBUG >= 1 28 { 29 typedef std::pair<int, int> P; 30 P a1[] = {P(1, 1), P(3, 3), P(7, 7), P(9, 9), P(10, 10)}; 31 P a2[] = {P(0, 0), P(2, 2), P(4, 4), P(5, 5), P(6, 6), P(8, 8), P(11, 11)}; 32 std::unordered_map<int, int> c1(a1, a1+sizeof(a1)/sizeof(a1[0])); 33 std::unordered_map<int, int> c2(a2, a2+sizeof(a2)/sizeof(a2[0])); 34 std::unordered_map<int, int>::iterator i1 = c1.begin(); 35 std::unordered_map<int, int>::iterator i2 = c2.begin(); 36 swap(c1, c2); 37 c1.erase(i2); 38 c2.erase(i1); 39 std::unordered_map<int, int>::iterator j = i1; 40 c1.erase(i1); 41 assert(false); 42 } 43 #endif 44 } 45