11e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow//===----------------------------------------------------------------------===// 21e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow// 31e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow// The LLVM Compiler Infrastructure 41e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow// 51e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow// This file is dual licensed under the MIT and the University of Illinois Open 61e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow// Source Licenses. See LICENSE.TXT for details. 71e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow// 81e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow//===----------------------------------------------------------------------===// 91e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow 101e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow// <string_view> 111e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow// constexpr size_type rfind(charT c, size_type pos = npos) const; 121e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow 131e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow#include <string_view> 141e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow#include <cassert> 151e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow 16e619862dbf0c4a46db6e3d816bcafcfef6e85977Stephan T. Lavavej#include "test_macros.h" 171e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow#include "constexpr_char_traits.hpp" 181e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow 191e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clowtemplate <class S> 201e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clowvoid 211e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clowtest(const S& s, typename S::value_type c, typename S::size_type pos, 221e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow typename S::size_type x) 231e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow{ 241e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow assert(s.rfind(c, pos) == x); 251e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow if (x != S::npos) 261e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow assert(x <= pos && x + 1 <= s.size()); 271e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow} 281e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow 291e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clowtemplate <class S> 301e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clowvoid 311e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clowtest(const S& s, typename S::value_type c, typename S::size_type x) 321e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow{ 331e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow assert(s.rfind(c) == x); 341e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow if (x != S::npos) 351e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow assert(x + 1 <= s.size()); 361e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow} 371e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow 381e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clowint main() 391e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow{ 401e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow { 411e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow typedef std::string_view S; 421e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow test(S(""), 'b', 0, S::npos); 431e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow test(S(""), 'b', 1, S::npos); 441e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow test(S("abcde"), 'b', 0, S::npos); 451e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow test(S("abcde"), 'b', 1, 1); 461e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow test(S("abcde"), 'b', 2, 1); 471e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow test(S("abcde"), 'b', 4, 1); 481e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow test(S("abcde"), 'b', 5, 1); 491e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow test(S("abcde"), 'b', 6, 1); 501e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow test(S("abcdeabcde"), 'b', 0, S::npos); 511e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow test(S("abcdeabcde"), 'b', 1, 1); 521e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow test(S("abcdeabcde"), 'b', 5, 1); 531e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow test(S("abcdeabcde"), 'b', 9, 6); 541e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow test(S("abcdeabcde"), 'b', 10, 6); 551e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow test(S("abcdeabcde"), 'b', 11, 6); 561e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow test(S("abcdeabcdeabcdeabcde"), 'b', 0, S::npos); 571e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow test(S("abcdeabcdeabcdeabcde"), 'b', 1, 1); 581e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow test(S("abcdeabcdeabcdeabcde"), 'b', 10, 6); 591e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow test(S("abcdeabcdeabcdeabcde"), 'b', 19, 16); 601e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow test(S("abcdeabcdeabcdeabcde"), 'b', 20, 16); 611e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow test(S("abcdeabcdeabcdeabcde"), 'b', 21, 16); 621e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow 631e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow test(S(""), 'b', S::npos); 641e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow test(S("abcde"), 'b', 1); 651e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow test(S("abcdeabcde"), 'b', 6); 661e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow test(S("abcdeabcdeabcdeabcde"), 'b', 16); 671e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow } 681e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow 69e619862dbf0c4a46db6e3d816bcafcfef6e85977Stephan T. Lavavej#if TEST_STD_VER > 11 701e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow { 711e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow typedef std::basic_string_view<char, constexpr_char_traits<char>> SV; 721e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow constexpr SV sv1; 731e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow constexpr SV sv2 { "abcde", 5 }; 741e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow 751e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow static_assert (sv1.rfind( 'b', 0 ) == SV::npos, "" ); 761e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow static_assert (sv1.rfind( 'b', 1 ) == SV::npos, "" ); 771e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow static_assert (sv2.rfind( 'b', 0 ) == SV::npos, "" ); 781e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow static_assert (sv2.rfind( 'b', 1 ) == 1, "" ); 791e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow static_assert (sv2.rfind( 'b', 2 ) == 1, "" ); 801e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow static_assert (sv2.rfind( 'b', 3 ) == 1, "" ); 811e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow static_assert (sv2.rfind( 'b', 4 ) == 1, "" ); 821e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow } 831e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow#endif 841e00d6db319aaec6acb6db0eafd059c7fb97bf66Marshall Clow} 85