1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <string> 10 11 // size_type capacity() const; 12 13 #include <string> 14 #include <cassert> 15 16 #include "test_allocator.h" 17 #include "min_allocator.h" 18 19 #include "test_macros.h" 20 21 test_allocator_statistics alloc_stats; 22 23 template <class S> 24 void 25 test(S s) 26 { 27 alloc_stats.throw_after = 0; 28 #ifndef TEST_HAS_NO_EXCEPTIONS 29 try 30 #endif 31 { 32 while (s.size() < s.capacity()) 33 s.push_back(typename S::value_type()); 34 assert(s.size() == s.capacity()); 35 } 36 #ifndef TEST_HAS_NO_EXCEPTIONS 37 catch (...) 38 { 39 assert(false); 40 } 41 #endif 42 alloc_stats.throw_after = INT_MAX; 43 } 44 45 int main(int, char**) 46 { 47 { 48 typedef std::basic_string<char, std::char_traits<char>, test_allocator<char> > S; 49 S s((test_allocator<char>(&alloc_stats))); 50 test(s); 51 s.assign(10, 'a'); 52 s.erase(5); 53 test(s); 54 s.assign(100, 'a'); 55 s.erase(50); 56 test(s); 57 } 58 #if TEST_STD_VER >= 11 59 { 60 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; 61 S s; 62 assert(s.capacity() > 0); 63 } 64 #endif 65 66 return 0; 67 } 68