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// REQUIRES: locale.en_US.UTF-8
17
18#include <locale>
19#include <string>
20#include <vector>
21#include <cassert>
22
23#include <stdio.h>
24
25#include "platform_support.h" // locale name macros
26
27int main()
28{
29    {
30        std::locale l(LOCALE_en_US_UTF_8);
31        {
32            typedef std::ctype<wchar_t> F;
33            const F& f = std::use_facet<F>(l);
34            const std::wstring in(L"\x00DA A\x07.a1");
35            std::vector<F::mask> m(in.size());
36            assert(f.scan_is(F::space, in.data(), in.data() + in.size()) - in.data() == 1);
37            assert(f.scan_is(F::print, in.data(), in.data() + in.size()) - in.data() == 0);
38            assert(f.scan_is(F::cntrl, in.data(), in.data() + in.size()) - in.data() == 3);
39            assert(f.scan_is(F::upper, in.data(), in.data() + in.size()) - in.data() == 0);
40            assert(f.scan_is(F::lower, in.data(), in.data() + in.size()) - in.data() == 5);
41            assert(f.scan_is(F::alpha, in.data(), in.data() + in.size()) - in.data() == 0);
42            assert(f.scan_is(F::digit, in.data(), in.data() + in.size()) - in.data() == 6);
43            assert(f.scan_is(F::punct, in.data(), in.data() + in.size()) - in.data() == 4);
44            assert(f.scan_is(F::xdigit, in.data(), in.data() + in.size()) - in.data() == 2);
45            assert(f.scan_is(F::blank, in.data(), in.data() + in.size()) - in.data() == 1);
46            assert(f.scan_is(F::alnum, in.data(), in.data() + in.size()) - in.data() == 0);
47            assert(f.scan_is(F::graph, in.data(), in.data() + in.size()) - in.data() == 0);
48        }
49    }
50    {
51        std::locale l("C");
52        {
53            typedef std::ctype<wchar_t> F;
54            const F& f = std::use_facet<F>(l);
55            const std::wstring in(L"\x00DA A\x07.a1");
56            std::vector<F::mask> m(in.size());
57            assert(f.scan_is(F::space, in.data(), in.data() + in.size()) - in.data() == 1);
58            assert(f.scan_is(F::print, in.data(), in.data() + in.size()) - in.data() == 1);
59            assert(f.scan_is(F::cntrl, in.data(), in.data() + in.size()) - in.data() == 3);
60            assert(f.scan_is(F::upper, in.data(), in.data() + in.size()) - in.data() == 2);
61            assert(f.scan_is(F::lower, in.data(), in.data() + in.size()) - in.data() == 5);
62            assert(f.scan_is(F::alpha, in.data(), in.data() + in.size()) - in.data() == 2);
63            assert(f.scan_is(F::digit, in.data(), in.data() + in.size()) - in.data() == 6);
64            assert(f.scan_is(F::punct, in.data(), in.data() + in.size()) - in.data() == 4);
65            assert(f.scan_is(F::xdigit, in.data(), in.data() + in.size()) - in.data() == 2);
66            assert(f.scan_is(F::blank, in.data(), in.data() + in.size()) - in.data() == 1);
67            assert(f.scan_is(F::alnum, in.data(), in.data() + in.size()) - in.data() == 2);
68            assert(f.scan_is(F::graph, in.data(), in.data() + in.size()) - in.data() == 2);
69        }
70    }
71}
72