scan_is.pass.cpp revision 83e2c4d877fe2d7793868b1c6a5d9525a7c4d431 
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
25int 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