1 /*
2 Test utilities.
3
4 Copyright (c) 2012-2014, Victor Zverovich
5 All rights reserved.
6
7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions are met:
9
10 1. Redistributions of source code must retain the above copyright notice, this
11 list of conditions and the following disclaimer.
12 2. Redistributions in binary form must reproduce the above copyright notice,
13 this list of conditions and the following disclaimer in the documentation
14 and/or other materials provided with the distribution.
15
16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
17 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
20 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include <cstdarg>
29 #include <cstdio>
30 #include <string>
31
32 #include "fmt/posix.h"
33
34 enum {BUFFER_SIZE = 256};
35
36 #ifdef _MSC_VER
37 # define FMT_VSNPRINTF vsprintf_s
38 #else
39 # define FMT_VSNPRINTF vsnprintf
40 #endif
41
42 template <std::size_t SIZE>
safe_sprintf(char (& buffer)[SIZE],const char * format,...)43 void safe_sprintf(char (&buffer)[SIZE], const char *format, ...) {
44 std::va_list args;
45 va_start(args, format);
46 FMT_VSNPRINTF(buffer, SIZE, format, args);
47 va_end(args);
48 }
49
50 // Increment a number in a string.
51 void increment(char *s);
52
53 std::string get_system_error(int error_code);
54
55 extern const char *const FILE_CONTENT;
56
57 // Opens a buffered file for reading.
58 fmt::BufferedFile open_buffered_file(FILE **fp = 0);
59
safe_fopen(const char * filename,const char * mode)60 inline FILE *safe_fopen(const char *filename, const char *mode) {
61 #if defined(_WIN32) && !defined(__MINGW32__)
62 // Fix MSVC warning about "unsafe" fopen.
63 FILE *f = 0;
64 errno = fopen_s(&f, filename, mode);
65 return f;
66 #else
67 return std::fopen(filename, mode);
68 #endif
69 }
70
71 template <typename Char>
72 class BasicTestString {
73 private:
74 std::basic_string<Char> value_;
75
76 static const Char EMPTY[];
77
78 public:
value_(value)79 explicit BasicTestString(const Char *value = EMPTY) : value_(value) {}
80
value()81 const std::basic_string<Char> &value() const { return value_; }
82 };
83
84 template <typename Char>
85 const Char BasicTestString<Char>::EMPTY[] = {0};
86
87 typedef BasicTestString<char> TestString;
88 typedef BasicTestString<wchar_t> TestWString;
89
90 template <typename Char>
91 std::basic_ostream<Char> &operator<<(
92 std::basic_ostream<Char> &os, const BasicTestString<Char> &s) {
93 os << s.value();
94 return os;
95 }
96
97 class Date {
98 int year_, month_, day_;
99 public:
Date(int year,int month,int day)100 Date(int year, int month, int day) : year_(year), month_(month), day_(day) {}
101
year()102 int year() const { return year_; }
month()103 int month() const { return month_; }
day()104 int day() const { return day_; }
105 };
106