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 // XFAIL: libcpp-no-exceptions 11 // <string> 12 13 // void resize(size_type n); 14 15 #include <string> 16 #include <stdexcept> 17 #include <cassert> 18 19 #include "min_allocator.h" 20 21 template <class S> 22 void 23 test(S s, typename S::size_type n, S expected) 24 { 25 try 26 { 27 s.resize(n); 28 assert(s.__invariants()); 29 assert(n <= s.max_size()); 30 assert(s == expected); 31 } 32 catch (std::length_error&) 33 { 34 assert(n > s.max_size()); 35 } 36 } 37 38 int main() 39 { 40 { 41 typedef std::string S; 42 test(S(), 0, S()); 43 test(S(), 1, S(1, '\0')); 44 test(S(), 10, S(10, '\0')); 45 test(S(), 100, S(100, '\0')); 46 test(S("12345"), 0, S()); 47 test(S("12345"), 2, S("12")); 48 test(S("12345"), 5, S("12345")); 49 test(S("12345"), 15, S("12345\0\0\0\0\0\0\0\0\0\0", 15)); 50 test(S("12345678901234567890123456789012345678901234567890"), 0, S()); 51 test(S("12345678901234567890123456789012345678901234567890"), 10, 52 S("1234567890")); 53 test(S("12345678901234567890123456789012345678901234567890"), 50, 54 S("12345678901234567890123456789012345678901234567890")); 55 test(S("12345678901234567890123456789012345678901234567890"), 60, 56 S("12345678901234567890123456789012345678901234567890\0\0\0\0\0\0\0\0\0\0", 60)); 57 test(S(), S::npos, S("not going to happen")); 58 } 59 #if __cplusplus >= 201103L 60 { 61 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; 62 test(S(), 0, S()); 63 test(S(), 1, S(1, '\0')); 64 test(S(), 10, S(10, '\0')); 65 test(S(), 100, S(100, '\0')); 66 test(S("12345"), 0, S()); 67 test(S("12345"), 2, S("12")); 68 test(S("12345"), 5, S("12345")); 69 test(S("12345"), 15, S("12345\0\0\0\0\0\0\0\0\0\0", 15)); 70 test(S("12345678901234567890123456789012345678901234567890"), 0, S()); 71 test(S("12345678901234567890123456789012345678901234567890"), 10, 72 S("1234567890")); 73 test(S("12345678901234567890123456789012345678901234567890"), 50, 74 S("12345678901234567890123456789012345678901234567890")); 75 test(S("12345678901234567890123456789012345678901234567890"), 60, 76 S("12345678901234567890123456789012345678901234567890\0\0\0\0\0\0\0\0\0\0", 60)); 77 test(S(), S::npos, S("not going to happen")); 78 } 79 #endif 80 } 81