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_set> 11 12 // template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>, 13 // class Alloc = allocator<Value>> 14 // class unordered_multiset 15 16 // size_type bucket_size(size_type n) const 17 18 #ifdef _LIBCPP_DEBUG 19 #define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::exit(0)) 20 #endif 21 22 #include <unordered_set> 23 #include <cassert> 24 25 #include "min_allocator.h" 26 27 int main() 28 { 29 { 30 typedef std::unordered_multiset<int> C; 31 typedef int P; 32 P a[] = 33 { 34 P(1), 35 P(2), 36 P(3), 37 P(4), 38 P(1), 39 P(2) 40 }; 41 const C c(std::begin(a), std::end(a)); 42 assert(c.bucket_count() >= 7); 43 assert(c.bucket_size(0) == 0); 44 assert(c.bucket_size(1) == 2); 45 assert(c.bucket_size(2) == 2); 46 assert(c.bucket_size(3) == 1); 47 assert(c.bucket_size(4) == 1); 48 assert(c.bucket_size(5) == 0); 49 assert(c.bucket_size(6) == 0); 50 } 51 #if __cplusplus >= 201103L 52 { 53 typedef std::unordered_multiset<int, std::hash<int>, 54 std::equal_to<int>, min_allocator<int>> C; 55 typedef int P; 56 P a[] = 57 { 58 P(1), 59 P(2), 60 P(3), 61 P(4), 62 P(1), 63 P(2) 64 }; 65 const C c(std::begin(a), std::end(a)); 66 assert(c.bucket_count() >= 7); 67 assert(c.bucket_size(0) == 0); 68 assert(c.bucket_size(1) == 2); 69 assert(c.bucket_size(2) == 2); 70 assert(c.bucket_size(3) == 1); 71 assert(c.bucket_size(4) == 1); 72 assert(c.bucket_size(5) == 0); 73 assert(c.bucket_size(6) == 0); 74 } 75 #endif 76 #if _LIBCPP_DEBUG_LEVEL >= 1 77 { 78 typedef std::unordered_multiset<int> C; 79 C c; 80 C::size_type i = c.bucket_size(3); 81 assert(false); 82 } 83 #endif 84 } 85