size_char_alloc.pass.cpp (3005B)
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 // <string> 11 12 // basic_string(size_type n, charT c, const Allocator& a = Allocator()); 13 14 #include <string> 15 #include <stdexcept> 16 #include <algorithm> 17 #include <cassert> 18 #include <cstddef> 19 20 #include "test_macros.h" 21 #include "test_allocator.h" 22 #include "min_allocator.h" 23 24 template <class charT> 25 void 26 test(unsigned n, charT c) 27 { 28 typedef std::basic_string<charT, std::char_traits<charT>, test_allocator<charT> > S; 29 typedef typename S::allocator_type A; 30 S s2(n, c); 31 LIBCPP_ASSERT(s2.__invariants()); 32 assert(s2.size() == n); 33 for (unsigned i = 0; i < n; ++i) 34 assert(s2[i] == c); 35 assert(s2.get_allocator() == A()); 36 assert(s2.capacity() >= s2.size()); 37 } 38 39 template <class charT, class A> 40 void 41 test(unsigned n, charT c, const A& a) 42 { 43 typedef std::basic_string<charT, std::char_traits<charT>, A> S; 44 S s2(n, c, a); 45 LIBCPP_ASSERT(s2.__invariants()); 46 assert(s2.size() == n); 47 for (unsigned i = 0; i < n; ++i) 48 assert(s2[i] == c); 49 assert(s2.get_allocator() == a); 50 assert(s2.capacity() >= s2.size()); 51 } 52 53 template <class Tp> 54 void 55 test(Tp n, Tp c) 56 { 57 typedef char charT; 58 typedef std::basic_string<charT, std::char_traits<charT>, test_allocator<charT> > S; 59 typedef typename S::allocator_type A; 60 S s2(n, c); 61 LIBCPP_ASSERT(s2.__invariants()); 62 assert(s2.size() == static_cast<std::size_t>(n)); 63 for (int i = 0; i < n; ++i) 64 assert(s2[i] == c); 65 assert(s2.get_allocator() == A()); 66 assert(s2.capacity() >= s2.size()); 67 } 68 69 template <class Tp, class A> 70 void 71 test(Tp n, Tp c, const A& a) 72 { 73 typedef char charT; 74 typedef std::basic_string<charT, std::char_traits<charT>, A> S; 75 S s2(n, c, a); 76 LIBCPP_ASSERT(s2.__invariants()); 77 assert(s2.size() == static_cast<std::size_t>(n)); 78 for (int i = 0; i < n; ++i) 79 assert(s2[i] == c); 80 assert(s2.get_allocator() == a); 81 assert(s2.capacity() >= s2.size()); 82 } 83 84 int main() 85 { 86 { 87 typedef test_allocator<char> A; 88 89 test(0, 'a'); 90 test(0, 'a', A(2)); 91 92 test(1, 'a'); 93 test(1, 'a', A(2)); 94 95 test(10, 'a'); 96 test(10, 'a', A(2)); 97 98 test(100, 'a'); 99 test(100, 'a', A(2)); 100 101 test(static_cast<char>(100), static_cast<char>(65)); 102 test(static_cast<char>(100), static_cast<char>(65), A(3)); 103 } 104 #if TEST_STD_VER >= 11 105 { 106 typedef min_allocator<char> A; 107 108 test(0, 'a'); 109 test(0, 'a', A()); 110 111 test(1, 'a'); 112 test(1, 'a', A()); 113 114 test(10, 'a'); 115 test(10, 'a', A()); 116 117 test(100, 'a'); 118 test(100, 'a', A()); 119 120 test(static_cast<char>(100), static_cast<char>(65)); 121 test(static_cast<char>(100), static_cast<char>(65), A()); 122 } 123 #endif 124 }