1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
/*============================================================================
KWSys - Kitware System Library
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#include "kwsysPrivate.h"
#if defined(_MSC_VER)
# pragma warning (disable:4786)
#endif
#include KWSYS_HEADER(FStream.hxx)
#include <string.h>
#ifdef __BORLANDC__
# include <mem.h> /* memcmp */
#endif
// Work-around CMake dependency scanning limitation. This must
// duplicate the above list of headers.
#if 0
# include "FStream.hxx.in"
#endif
#include <iostream>
//----------------------------------------------------------------------------
static int testNoFile()
{
kwsys::ifstream in_file("NoSuchFile.txt");
if(in_file)
{
return 1;
}
return 0;
}
static kwsys::FStream::BOM expected_bom[5] =
{
kwsys::FStream::BOM_UTF8,
kwsys::FStream::BOM_UTF16LE,
kwsys::FStream::BOM_UTF16BE,
kwsys::FStream::BOM_UTF32LE,
kwsys::FStream::BOM_UTF32BE
};
static unsigned char expected_bom_data[5][5] =
{
{3, 0xEF, 0xBB, 0xBF},
{2, 0xFF, 0xFE},
{2, 0xFE, 0xFF},
{4, 0xFF, 0xFE, 0x00, 0x00},
{4, 0x00, 0x00, 0xFE, 0xFF},
};
static unsigned char file_data[5][45] =
{
{11, 'H', 'e', 'l', 'l', 'o', ' ', 'W', 'o', 'r', 'l', 'd'},
{22, 0x48, 0x00, 0x65, 0x00, 0x6C, 0x00, 0x6C, 0x00, 0x6F, 0x00, 0x20, 0x00,
0x57, 0x00, 0x6F, 0x00, 0x72, 0x00, 0x6C, 0x00, 0x64, 0x00},
{22, 0x00, 0x48, 0x00, 0x65, 0x00, 0x6C, 0x00, 0x6C, 0x00, 0x6F, 0x00, 0x20,
0x00, 0x57, 0x00, 0x6F, 0x00, 0x72, 0x00, 0x6C, 0x00, 0x64},
{44, 0x48, 0x00, 0x00, 0x00, 0x65, 0x00, 0x00, 0x00, 0x6C, 0x00, 0x00, 0x00,
0x6C, 0x00, 0x00, 0x00, 0x6F, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
0x57, 0x00, 0x00, 0x00, 0x6F, 0x00, 0x00, 0x00, 0x72, 0x00, 0x00, 0x00,
0x6C, 0x00, 0x00, 0x00, 0x64, 0x00, 0x00, 0x00},
{44, 0x00, 0x00, 0x00, 0x48, 0x00, 0x00, 0x00, 0x65, 0x00, 0x00, 0x00, 0x6C,
0x00, 0x00, 0x00, 0x6C, 0x00, 0x00, 0x00, 0x6F, 0x00, 0x00, 0x00, 0x20,
0x00, 0x00, 0x00, 0x57, 0x00, 0x00, 0x00, 0x6F, 0x00, 0x00, 0x00, 0x72,
0x00, 0x00, 0x00, 0x6C, 0x00, 0x00, 0x00, 0x64},
};
//----------------------------------------------------------------------------
static int testBOM()
{
// test various encodings in binary mode
for(int i=0; i<5; i++)
{
{
kwsys::ofstream out("bom.txt", kwsys::ofstream::binary);
out.write(reinterpret_cast<const char*>(expected_bom_data[i]+1),
*expected_bom_data[i]);
out.write(reinterpret_cast<const char*>(file_data[i]+1),
file_data[i][0]);
}
kwsys::ifstream in("bom.txt", kwsys::ofstream::binary);
kwsys::FStream::BOM bom = kwsys::FStream::ReadBOM(in);
if(bom != expected_bom[i])
{
std::cout << "Unexpected BOM " << i << std::endl;
return 1;
}
char data[45];
in.read(data, file_data[i][0]);
if(!in.good())
{
std::cout << "Unable to read data " << i << std::endl;
return 1;
}
if(memcmp(data, file_data[i]+1, file_data[i][0]) != 0)
{
std::cout << "Incorrect read data " << i << std::endl;
return 1;
}
}
// test text file without bom
{
{
kwsys::ofstream out("bom.txt");
out << "Hello World";
}
kwsys::ifstream in("bom.txt");
kwsys::FStream::BOM bom = kwsys::FStream::ReadBOM(in);
if(bom != kwsys::FStream::BOM_None)
{
std::cout << "Unexpected BOM for none case" << std::endl;
return 1;
}
char data[45];
in.read(data, file_data[0][0]);
if(!in.good())
{
std::cout << "Unable to read data for none case" << std::endl;
return 1;
}
if(memcmp(data, file_data[0]+1, file_data[0][0]) != 0)
{
std::cout << "Incorrect read data for none case" << std::endl;
return 1;
}
}
// test text file with utf-8 bom
{
{
kwsys::ofstream out("bom.txt");
out.write(reinterpret_cast<const char*>(expected_bom_data[0]+1),
*expected_bom_data[0]);
out << "Hello World";
}
kwsys::ifstream in("bom.txt");
kwsys::FStream::BOM bom = kwsys::FStream::ReadBOM(in);
if(bom != kwsys::FStream::BOM_UTF8)
{
std::cout << "Unexpected BOM for utf-8 case" << std::endl;
return 1;
}
char data[45];
in.read(data, file_data[0][0]);
if(!in.good())
{
std::cout << "Unable to read data for utf-8 case" << std::endl;
return 1;
}
if(memcmp(data, file_data[0]+1, file_data[0][0]) != 0)
{
std::cout << "Incorrect read data for utf-8 case" << std::endl;
return 1;
}
}
return 0;
}
//----------------------------------------------------------------------------
int testFStream(int, char*[])
{
int ret = 0;
ret |= testNoFile();
ret |= testBOM();
return ret;
}
|
