1 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
2 // test_codecvt_null.cpp
3
4 // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
5 // Use, modification and distribution is subject to the Boost Software
6 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
7 // http://www.boost.org/LICENSE_1_0.txt)
8
9 // should pass compilation and execution. Note: compilation with compilers
10 // which use wchar_t as 2 byte objects will emit warnings. These should be
11 // ignored.
12
13 #include <algorithm>
14 #include <fstream>
15 #include <iostream>
16 #include <iterator>
17 #include <locale>
18 #include <vector>
19 #include <cstddef>
20
21 #include <cstdio> // remove
22 #include <boost/config.hpp>
23 #if defined(BOOST_NO_STDC_NAMESPACE)
24 namespace std{
25 using ::remove;
26 }
27 #endif
28
29 #include "test_tools.hpp"
30
31 #include <boost/archive/add_facet.hpp>
32 #include <boost/archive/codecvt_null.hpp>
33 #include <boost/archive/iterators/ostream_iterator.hpp>
34 #include <boost/archive/iterators/istream_iterator.hpp>
35
36 template<std::size_t S>
37 struct test_data
38 {
39 static wchar_t wchar_encoding[];
40 };
41
42 template<>
43 wchar_t test_data<2>::wchar_encoding[] = {
44 0x0001,
45 0x007f,
46 0x0080,
47 0x07ff,
48 0x0800,
49 0x7fff
50 };
51
52 template<>
53 wchar_t test_data<4>::wchar_encoding[] = {
54 0x00000001,
55 0x0000007f,
56 0x00000080,
57 0x000007ff,
58 0x00000800,
59 0x0000ffff,
60 0x00010000,
61 0x0010ffff,
62 0x001fffff,
63 0x00200000,
64 0x03ffffff,
65 0x04000000,
66 0x7fffffff
67 };
68
69 #include <iostream>
70
test_main(int,char * [])71 int test_main( int /* argc */, char* /* argv */[] ) {
72 const char * testfile = boost::archive::tmpnam(NULL);
73 BOOST_REQUIRE(NULL != testfile);
74
75 std::locale old_loc;
76 std::locale * null_locale =
77 boost::archive::add_facet(old_loc, new boost::archive::codecvt_null<wchar_t>);
78
79 typedef test_data<sizeof(wchar_t)> td;
80 {
81 std::wofstream ofs;
82 ofs.imbue(*null_locale);
83 ofs.open(testfile, std::ios::binary);
84 std::copy(
85 td::wchar_encoding,
86 #if ! defined(BOOST_BORLANDC)
87 // borland 5.60 complains about this
88 td::wchar_encoding + sizeof(td::wchar_encoding)/sizeof(wchar_t),
89 #else
90 // so use this instead
91 td::wchar_encoding + 6,
92 #endif
93 boost::archive::iterators::ostream_iterator<wchar_t>(ofs)
94 );
95 }
96 bool ok = false;
97 {
98 std::wifstream ifs;
99 ifs.imbue(*null_locale);
100 ifs.open(testfile, std::ios::binary);
101 ok = std::equal(
102 td::wchar_encoding,
103 #if ! defined(BOOST_BORLANDC)
104 // borland 5.60 complains about this
105 td::wchar_encoding + sizeof(td::wchar_encoding)/sizeof(wchar_t),
106 #else
107 // so use this instead
108 td::wchar_encoding + 6,
109 #endif
110 boost::archive::iterators::istream_iterator<wchar_t>(ifs)
111 );
112 }
113
114 BOOST_CHECK(ok);
115 {
116 std::wofstream ofs("testfile2");
117 ofs.imbue(*null_locale);
118 int i = 10;
119 ofs << i;
120 ofs.close();
121
122 std::wifstream ifs("testfile2");
123 ifs.imbue(*null_locale);
124 int i2;
125 ifs >> i2;
126 std::cout << "i=" << i << std::endl;
127 std::cout << "i2=" << i2 << std::endl;
128 BOOST_CHECK(i == i2);
129 ifs.close();
130 }
131
132 delete null_locale;
133 std::remove(testfile);
134 return EXIT_SUCCESS;
135 }
136
137