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 "test_macros.h" 26 #include "min_allocator.h" 27 28 int main() 29 { 30 { 31 typedef std::unordered_multiset<int> C; 32 typedef int P; 33 P a[] = 34 { 35 P(1), 36 P(2), 37 P(3), 38 P(4), 39 P(1), 40 P(2) 41 }; 42 const C c(std::begin(a), std::end(a)); 43 assert(c.bucket_count() >= 7); 44 LIBCPP_ASSERT(c.bucket_size(0) == 0); 45 LIBCPP_ASSERT(c.bucket_size(1) == 2); 46 LIBCPP_ASSERT(c.bucket_size(2) == 2); 47 LIBCPP_ASSERT(c.bucket_size(3) == 1); 48 LIBCPP_ASSERT(c.bucket_size(4) == 1); 49 LIBCPP_ASSERT(c.bucket_size(5) == 0); 50 LIBCPP_ASSERT(c.bucket_size(6) == 0); 51 } 52 #if TEST_STD_VER >= 11 53 { 54 typedef std::unordered_multiset<int, std::hash<int>, 55 std::equal_to<int>, min_allocator<int>> C; 56 typedef int P; 57 P a[] = 58 { 59 P(1), 60 P(2), 61 P(3), 62 P(4), 63 P(1), 64 P(2) 65 }; 66 const C c(std::begin(a), std::end(a)); 67 assert(c.bucket_count() >= 7); 68 LIBCPP_ASSERT(c.bucket_size(0) == 0); 69 LIBCPP_ASSERT(c.bucket_size(1) == 2); 70 LIBCPP_ASSERT(c.bucket_size(2) == 2); 71 LIBCPP_ASSERT(c.bucket_size(3) == 1); 72 LIBCPP_ASSERT(c.bucket_size(4) == 1); 73 LIBCPP_ASSERT(c.bucket_size(5) == 0); 74 LIBCPP_ASSERT(c.bucket_size(6) == 0); 75 } 76 #endif 77 #if _LIBCPP_DEBUG_LEVEL >= 1 78 { 79 typedef std::unordered_multiset<int> C; 80 C c; 81 C::size_type i = c.bucket_size(3); 82 assert(false); 83 } 84 #endif 85 } 86
