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      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 // <locale>
     11 
     12 // template <class charT> class ctype_byname;
     13 
     14 // const charT* scan_is(mask m, const charT* low, const charT* high) const;
     15 
     16 #include <locale>
     17 #include <string>
     18 #include <vector>
     19 #include <cassert>
     20 
     21 #include <stdio.h>
     22 
     23 #include "platform_support.h" // locale name macros
     24 
     25 int main()
     26 {
     27     {
     28         std::locale l(LOCALE_en_US_UTF_8);
     29         {
     30             typedef std::ctype<wchar_t> F;
     31             const F& f = std::use_facet<F>(l);
     32             const std::wstring in(L"\x00DA A\x07.a1");
     33             std::vector<F::mask> m(in.size());
     34             assert(f.scan_is(F::space, in.data(), in.data() + in.size()) - in.data() == 1);
     35             assert(f.scan_is(F::print, in.data(), in.data() + in.size()) - in.data() == 0);
     36             assert(f.scan_is(F::cntrl, in.data(), in.data() + in.size()) - in.data() == 3);
     37             assert(f.scan_is(F::upper, in.data(), in.data() + in.size()) - in.data() == 0);
     38             assert(f.scan_is(F::lower, in.data(), in.data() + in.size()) - in.data() == 5);
     39             assert(f.scan_is(F::alpha, in.data(), in.data() + in.size()) - in.data() == 0);
     40             assert(f.scan_is(F::digit, in.data(), in.data() + in.size()) - in.data() == 6);
     41             assert(f.scan_is(F::punct, in.data(), in.data() + in.size()) - in.data() == 4);
     42             assert(f.scan_is(F::xdigit, in.data(), in.data() + in.size()) - in.data() == 2);
     43             assert(f.scan_is(F::blank, in.data(), in.data() + in.size()) - in.data() == 1);
     44             assert(f.scan_is(F::alnum, in.data(), in.data() + in.size()) - in.data() == 0);
     45             assert(f.scan_is(F::graph, in.data(), in.data() + in.size()) - in.data() == 0);
     46         }
     47     }
     48     {
     49         std::locale l("C");
     50         {
     51             typedef std::ctype<wchar_t> F;
     52             const F& f = std::use_facet<F>(l);
     53             const std::wstring in(L"\x00DA A\x07.a1");
     54             std::vector<F::mask> m(in.size());
     55             assert(f.scan_is(F::space, in.data(), in.data() + in.size()) - in.data() == 1);
     56             assert(f.scan_is(F::print, in.data(), in.data() + in.size()) - in.data() == 1);
     57             assert(f.scan_is(F::cntrl, in.data(), in.data() + in.size()) - in.data() == 3);
     58             assert(f.scan_is(F::upper, in.data(), in.data() + in.size()) - in.data() == 2);
     59             assert(f.scan_is(F::lower, in.data(), in.data() + in.size()) - in.data() == 5);
     60             assert(f.scan_is(F::alpha, in.data(), in.data() + in.size()) - in.data() == 2);
     61             assert(f.scan_is(F::digit, in.data(), in.data() + in.size()) - in.data() == 6);
     62             assert(f.scan_is(F::punct, in.data(), in.data() + in.size()) - in.data() == 4);
     63             assert(f.scan_is(F::xdigit, in.data(), in.data() + in.size()) - in.data() == 2);
     64             assert(f.scan_is(F::blank, in.data(), in.data() + in.size()) - in.data() == 1);
     65             assert(f.scan_is(F::alnum, in.data(), in.data() + in.size()) - in.data() == 2);
     66             assert(f.scan_is(F::graph, in.data(), in.data() + in.size()) - in.data() == 2);
     67         }
     68     }
     69 }
     70