111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert//===----------------------------------------------------------------------===// 211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// The LLVM Compiler Infrastructure 411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// This file is dual licensed under the MIT and the University of Illinois Open 611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// Source Licenses. See LICENSE.TXT for details. 711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert//===----------------------------------------------------------------------===// 911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// <string_view> 1111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// constexpr size_type find_last_not_of(const charT* s, size_type pos = npos) const; 1311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <experimental/string_view> 1511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <cassert> 1611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include "constexpr_char_traits.hpp" 1811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1911cd02dfb91661c65134cac258cf5924270e9d2Dan Alberttemplate <class S> 2011cd02dfb91661c65134cac258cf5924270e9d2Dan Albertvoid 2111cd02dfb91661c65134cac258cf5924270e9d2Dan Alberttest(const S& s, const typename S::value_type* str, typename S::size_type pos, 2211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert typename S::size_type x) 2311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert{ 2411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert assert(s.find_last_not_of(str, pos) == x); 2511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert if (x != S::npos) 2611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert assert(x <= pos && x < s.size()); 2711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert} 2811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 2911cd02dfb91661c65134cac258cf5924270e9d2Dan Alberttemplate <class S> 3011cd02dfb91661c65134cac258cf5924270e9d2Dan Albertvoid 3111cd02dfb91661c65134cac258cf5924270e9d2Dan Alberttest(const S& s, const typename S::value_type* str, typename S::size_type x) 3211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert{ 3311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert assert(s.find_last_not_of(str) == x); 3411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert if (x != S::npos) 3511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert assert(x < s.size()); 3611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert} 3711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 3811cd02dfb91661c65134cac258cf5924270e9d2Dan Alberttemplate <class S> 3911cd02dfb91661c65134cac258cf5924270e9d2Dan Albertvoid test0() 4011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert{ 4111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S(""), "", 0, S::npos); 4211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S(""), "laenf", 0, S::npos); 4311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S(""), "pqlnkmbdjo", 0, S::npos); 4411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S(""), "qkamfogpnljdcshbreti", 0, S::npos); 4511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S(""), "", 1, S::npos); 4611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S(""), "bjaht", 1, S::npos); 4711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S(""), "hjlcmgpket", 1, S::npos); 4811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S(""), "htaobedqikfplcgjsmrn", 1, S::npos); 4911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("fodgq"), "", 0, 0); 5011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("qanej"), "dfkap", 0, 0); 5111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("clbao"), "ihqrfebgad", 0, 0); 5211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("mekdn"), "ngtjfcalbseiqrphmkdo", 0, S::npos); 5311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("srdfq"), "", 1, 1); 5411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("oemth"), "ikcrq", 1, 1); 5511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("cdaih"), "dmajblfhsg", 1, 0); 5611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("qohtk"), "oqftjhdmkgsblacenirp", 1, S::npos); 5711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("cshmd"), "", 2, 2); 5811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("lhcdo"), "oebqi", 2, 2); 5911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("qnsoh"), "kojhpmbsfe", 2, 1); 6011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("pkrof"), "acbsjqogpltdkhinfrem", 2, S::npos); 6111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("fmtsp"), "", 4, 4); 6211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("khbpm"), "aobjd", 4, 4); 6311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("pbsji"), "pcbahntsje", 4, 4); 6411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("mprdj"), "fhepcrntkoagbmldqijs", 4, S::npos); 6511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("eqmpa"), "", 5, 4); 6611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("omigs"), "kocgb", 5, 4); 6711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("onmje"), "fbslrjiqkm", 5, 4); 6811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("oqmrj"), "jeidpcmalhfnqbgtrsko", 5, S::npos); 6911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("schfa"), "", 6, 4); 7011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("igdsc"), "qngpd", 6, 4); 7111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("brqgo"), "rodhqklgmb", 6, S::npos); 7211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("tnrph"), "thdjgafrlbkoiqcspmne", 6, S::npos); 7311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("hcjitbfapl"), "", 0, 0); 7411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("daiprenocl"), "ashjd", 0, S::npos); 7511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("litpcfdghe"), "mgojkldsqh", 0, S::npos); 7611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("aidjksrolc"), "imqnaghkfrdtlopbjesc", 0, S::npos); 7711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("qpghtfbaji"), "", 1, 1); 7811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("gfshlcmdjr"), "nadkh", 1, 1); 7911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("nkodajteqp"), "ofdrqmkebl", 1, 0); 8011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("gbmetiprqd"), "bdfjqgatlksriohemnpc", 1, S::npos); 8111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("crnklpmegd"), "", 5, 5); 8211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("jsbtafedoc"), "prqgn", 5, 5); 8311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("qnmodrtkeb"), "pejafmnokr", 5, 4); 8411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("cpebqsfmnj"), "odnqkgijrhabfmcestlp", 5, S::npos); 8511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("lmofqdhpki"), "", 9, 9); 8611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("hnefkqimca"), "rtjpa", 9, 8); 8711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("drtasbgmfp"), "ktsrmnqagd", 9, 9); 8811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("lsaijeqhtr"), "rtdhgcisbnmoaqkfpjle", 9, S::npos); 8911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("elgofjmbrq"), "", 10, 9); 9011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("mjqdgalkpc"), "dplqa", 10, 9); 9111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("kthqnfcerm"), "dkacjoptns", 10, 9); 9211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("dfsjhanorc"), "hqfimtrgnbekpdcsjalo", 10, S::npos); 9311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("eqsgalomhb"), "", 11, 9); 9411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("akiteljmoh"), "lofbc", 11, 9); 9511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("hlbdfreqjo"), "astoegbfpn", 11, 8); 9611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("taqobhlerg"), "pdgreqomsncafklhtibj", 11, S::npos); 9711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("snafbdlghrjkpqtoceim"), "", 0, 0); 9811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("aemtbrgcklhndjisfpoq"), "lbtqd", 0, 0); 9911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("pnracgfkjdiholtbqsem"), "tboimldpjh", 0, S::npos); 10011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("dicfltehbsgrmojnpkaq"), "slcerthdaiqjfnobgkpm", 0, S::npos); 10111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("jlnkraeodhcspfgbqitm"), "", 1, 1); 10211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("lhosrngtmfjikbqpcade"), "aqibs", 1, 1); 10311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("rbtaqjhgkneisldpmfoc"), "gtfblmqinc", 1, 0); 10411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("gpifsqlrdkbonjtmheca"), "mkqpbtdalgniorhfescj", 1, S::npos); 10511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("hdpkobnsalmcfijregtq"), "", 10, 10); 10611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("jtlshdgqaiprkbcoenfm"), "pblas", 10, 9); 10711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("fkdrbqltsgmcoiphneaj"), "arosdhcfme", 10, 9); 10811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("crsplifgtqedjohnabmk"), "blkhjeogicatqfnpdmsr", 10, S::npos); 10911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("niptglfbosehkamrdqcj"), "", 19, 19); 11011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("copqdhstbingamjfkler"), "djkqc", 19, 19); 11111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("mrtaefilpdsgocnhqbjk"), "lgokshjtpb", 19, 16); 11211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("kojatdhlcmigpbfrqnes"), "bqjhtkfepimcnsgrlado", 19, S::npos); 11311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("eaintpchlqsbdgrkjofm"), "", 20, 19); 11411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("gjnhidfsepkrtaqbmclo"), "nocfa", 20, 18); 11511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("spocfaktqdbiejlhngmr"), "bgtajmiedc", 20, 19); 11611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("rphmlekgfscndtaobiqj"), "lsckfnqgdahejiopbtmr", 20, S::npos); 11711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("liatsqdoegkmfcnbhrpj"), "", 21, 19); 11811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("binjagtfldkrspcomqeh"), "gfsrt", 21, 19); 11911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("latkmisecnorjbfhqpdg"), "pfsocbhjtm", 21, 19); 12011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("lecfratdjkhnsmqpoigb"), "tpflmdnoicjgkberhqsa", 21, S::npos); 12111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert} 12211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 12311cd02dfb91661c65134cac258cf5924270e9d2Dan Alberttemplate <class S> 12411cd02dfb91661c65134cac258cf5924270e9d2Dan Albertvoid test1() 12511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert{ 12611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S(""), "", S::npos); 12711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S(""), "laenf", S::npos); 12811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S(""), "pqlnkmbdjo", S::npos); 12911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S(""), "qkamfogpnljdcshbreti", S::npos); 13011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("nhmko"), "", 4); 13111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("lahfb"), "irkhs", 4); 13211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("gmfhd"), "kantesmpgj", 4); 13311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("odaft"), "oknlrstdpiqmjbaghcfe", S::npos); 13411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("eolhfgpjqk"), "", 9); 13511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("nbatdlmekr"), "bnrpe", 8); 13611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("jdmciepkaq"), "jtdaefblso", 9); 13711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("hkbgspoflt"), "oselktgbcapndfjihrmq", S::npos); 13811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("gprdcokbnjhlsfmtieqa"), "", 19); 13911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("qjghlnftcaismkropdeb"), "bjaht", 18); 14011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("pnalfrdtkqcmojiesbhg"), "hjlcmgpket", 17); 14111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test(S("pniotcfrhqsmgdkjbael"), "htaobedqikfplcgjsmrn", S::npos); 14211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert} 14311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 14411cd02dfb91661c65134cac258cf5924270e9d2Dan Albertint main() 14511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert{ 14611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert { 14711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert typedef std::experimental::string_view S; 14811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test0<S>(); 14911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert test1<S>(); 15011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert } 15111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 15211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#if _LIBCPP_STD_VER > 11 15311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert { 15411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert typedef std::experimental::basic_string_view<char, constexpr_char_traits<char>> SV; 15511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert constexpr SV sv1; 15611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert constexpr SV sv2 { "abcde", 5 }; 15711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 15811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert static_assert (sv1.find_last_not_of( "", 0) == SV::npos, "" ); 15911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert static_assert (sv1.find_last_not_of( "irkhs", 5) == SV::npos, "" ); 16011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert static_assert (sv2.find_last_not_of( "", 0) == 0, "" ); 16111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert static_assert (sv2.find_last_not_of( "gfsrt", 5) == 4, "" ); 16211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert static_assert (sv2.find_last_not_of( "lecar", 5) == 3, "" ); 16311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert } 16411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif 16511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert} 166