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
|
// ***************************************************************** -*- C++ -*-
// stringto-test.cpp, $Rev: 1392 $
// Test conversions from string to long, float and Rational types.
#include <exiv2/types.hpp>
#include <exiv2/error.hpp>
#include <iostream>
#include <iomanip>
const char* testcases[] = {
// bool
"True",
"False",
"t",
"f",
// long
"-1",
"0",
"1",
// float
"0.0",
"0.1",
"0.01",
"0.001",
"-1.49999",
"-1.5",
"1.49999",
"1.5",
// Rational
"0/1",
"1/1",
"1/3",
"-1/3",
"4/3",
"-4/3",
"0/0",
// nok
"text"
};
int main()
{
std::cout << std::setfill(' ');
std::cout << std::setw(12) << std::left << "string";
std::cout << std::setw(12) << std::left << "long";
std::cout << std::setw(12) << std::left << "float";
std::cout << std::setw(12) << std::left << "Rational";
std::cout << std::endl;
for (unsigned int i = 0; i < EXV_COUNTOF(testcases); ++i) try {
std::string s(testcases[i]);
std::cout << std::setw(12) << std::left << s;
bool ok;
long l = Exiv2::parseLong(s, ok);
std::cout << std::setw(12) << std::left;
if (ok) std::cout << l; else std::cout << "nok";
float f = Exiv2::parseFloat(s, ok);
std::cout << std::setw(12) << std::left;
if (ok) std::cout << f; else std::cout << "nok";
Exiv2::Rational r = Exiv2::parseRational(s, ok);
if (ok) std::cout << r.first << "/" << r.second;
else std::cout << "nok";
std::cout << std::endl;
}
catch (Exiv2::AnyError& e) {
std::cout << "Caught Exiv2 exception '" << e << "'\n";
return -1;
}
return 0;
}
|
