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 // test bitset(string, pos, n, zero, one); 11 12 #include <bitset> 13 #include <cassert> 14 #include <algorithm> // for 'min' and 'max' 15 #include <stdexcept> // for 'invalid_argument' 16 17 #include "test_macros.h" 18 19 #if defined(TEST_COMPILER_C1XX) 20 #pragma warning(disable: 6294) // Ill-defined for-loop: initial condition does not satisfy test. Loop body not executed. 21 #endif 22 23 template <std::size_t N> 24 void test_string_ctor() 25 { 26 #ifndef TEST_HAS_NO_EXCEPTIONS 27 { 28 try { 29 std::string str("xxx1010101010xxxx"); 30 std::bitset<N> v(str, str.size()+1, 10); 31 assert(false); 32 } 33 catch (std::out_of_range&) 34 { 35 } 36 } 37 { 38 try { 39 std::string str("xxx1010101010xxxx"); 40 std::bitset<N> v(str, 2, 10); 41 assert(false); 42 } 43 catch (std::invalid_argument&) 44 { 45 } 46 } 47 { 48 try { 49 std::string str("xxxbababababaxxxx"); 50 std::bitset<N> v(str, 2, 10, 'a', 'b'); 51 assert(false); 52 } 53 catch (std::invalid_argument&) 54 { 55 } 56 } 57 #endif // TEST_HAS_NO_EXCEPTIONS 58 { 59 std::string str("xxx1010101010xxxx"); 60 std::bitset<N> v(str, 3, 10); 61 std::size_t M = std::min<std::size_t>(N, 10); 62 for (std::size_t i = 0; i < M; ++i) 63 assert(v[i] == (str[3 + M - 1 - i] == '1')); 64 for (std::size_t i = 10; i < N; ++i) 65 assert(v[i] == false); 66 } 67 { 68 std::string str("xxxbababababaxxxx"); 69 std::bitset<N> v(str, 3, 10, 'a', 'b'); 70 std::size_t M = std::min<std::size_t>(N, 10); 71 for (std::size_t i = 0; i < M; ++i) 72 assert(v[i] == (str[3 + M - 1 - i] == 'b')); 73 for (std::size_t i = 10; i < N; ++i) 74 assert(v[i] == false); 75 } 76 } 77 78 int main() 79 { 80 test_string_ctor<0>(); 81 test_string_ctor<1>(); 82 test_string_ctor<31>(); 83 test_string_ctor<32>(); 84 test_string_ctor<33>(); 85 test_string_ctor<63>(); 86 test_string_ctor<64>(); 87 test_string_ctor<65>(); 88 test_string_ctor<1000>(); 89 } 90
