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
|
// 1999-11-15 Kevin Ediger <kediger@licor.com>
// test the floating point inserters (facet num_put)
// Copyright (C) 1999, 2002, 2003 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
#include <cstdio> // for sprintf
#include <cmath> // for abs
#include <cfloat> // for DBL_EPSILON
#include <iostream>
#include <iomanip>
#include <sstream>
#include <limits>
#include <testsuite_hooks.h>
using namespace std;
#ifndef _GLIBCXX_ASSERT
# define TEST_NUMPUT_VERBOSE 1
#endif
struct _TestCase
{
double val;
int precision;
int width;
char decimal;
char fill;
bool fixed;
bool scientific;
bool showpos;
bool showpoint;
bool uppercase;
bool internal;
bool left;
bool right;
const char* result;
const wchar_t* wresult;
};
static bool T=true;
static bool F=false;
static _TestCase testcases[] =
{
// standard output (no formatting applied) 1-4
{ 1.2, 6,0,'.',' ', F,F,F,F,F,F,F,F, "1.2",L"1.2" },
{ 54, 6,0,'.',' ', F,F,F,F,F,F,F,F, "54",L"54" },
{ -.012, 6,0,'.',' ', F,F,F,F,F,F,F,F, "-0.012",L"-0.012" },
{ -.00000012, 6,0,'.',' ', F,F,F,F,F,F,F,F, "-1.2e-07",L"-1.2e-07" },
// fixed formatting 5-11
{ 10.2345, 0,0,'.',' ', T,F,F,F,F,F,F,F, "10",L"10" },
{ 10.2345, 0,0,'.',' ', T,F,F,T,F,F,F,F, "10.",L"10." },
{ 10.2345, 1,0,'.',' ', T,F,F,F,F,F,F,F, "10.2",L"10.2" },
{ 10.2345, 4,0,'.',' ', T,F,F,F,F,F,F,F, "10.2345",L"10.2345" },
{ 10.2345, 6,0,'.',' ', T,F,T,F,F,F,F,F, "+10.234500",L"+10.234500" },
{ -10.2345, 6,0,'.',' ', T,F,F,F,F,F,F,F, "-10.234500",L"-10.234500" },
{ -10.2345, 6,0,',',' ', T,F,F,F,F,F,F,F, "-10,234500",L"-10,234500" },
// fixed formatting with width 12-22
{ 10.2345, 4,5,'.',' ', T,F,F,F,F,F,F,F, "10.2345",L"10.2345" },
{ 10.2345, 4,6,'.',' ', T,F,F,F,F,F,F,F, "10.2345",L"10.2345" },
{ 10.2345, 4,7,'.',' ', T,F,F,F,F,F,F,F, "10.2345",L"10.2345" },
{ 10.2345, 4,8,'.',' ', T,F,F,F,F,F,F,F, " 10.2345",L" 10.2345" },
{ 10.2345, 4,10,'.',' ', T,F,F,F,F,F,F,F, " 10.2345",L" 10.2345" },
{ 10.2345, 4,10,'.',' ', T,F,F,F,F,F,T,F, "10.2345 ",L"10.2345 " },
{ 10.2345, 4,10,'.',' ', T,F,F,F,F,F,F,T, " 10.2345",L" 10.2345" },
{ 10.2345, 4,10,'.',' ', T,F,F,F,F,T,F,F, " 10.2345",L" 10.2345" },
{ -10.2345, 4,10,'.',' ', T,F,F,F,F,T,F,F, "- 10.2345",L"- 10.2345" },
{ -10.2345, 4,10,'.','A', T,F,F,F,F,T,F,F, "-AA10.2345",L"-AA10.2345" },
{ 10.2345, 4,10,'.','#', T,F,T,F,F,T,F,F, "+##10.2345",L"+##10.2345" },
// scientific formatting 23-29
{ 1.23e+12, 1,0,'.',' ', F,T,F,F,F,F,F,F, "1.2e+12",L"1.2e+12" },
{ 1.23e+12, 1,0,'.',' ', F,T,F,F,T,F,F,F, "1.2E+12",L"1.2E+12" },
{ 1.23e+12, 2,0,'.',' ', F,T,F,F,F,F,F,F, "1.23e+12",L"1.23e+12" },
{ 1.23e+12, 3,0,'.',' ', F,T,F,F,F,F,F,F, "1.230e+12",L"1.230e+12" },
{ 1.23e+12, 3,0,'.',' ', F,T,T,F,F,F,F,F, "+1.230e+12",L"+1.230e+12" },
{ -1.23e-12, 3,0,'.',' ', F,T,F,F,F,F,F,F, "-1.230e-12",L"-1.230e-12" },
{ 1.23e+12, 3,0,',',' ', F,T,F,F,F,F,F,F, "1,230e+12",L"1,230e+12" },
};
template<typename _CharT>
class testpunct : public numpunct<_CharT>
{
public:
typedef _CharT char_type;
const char_type dchar;
explicit
testpunct(char_type decimal_char) : numpunct<_CharT>(), dchar(decimal_char)
{ }
protected:
char_type
do_decimal_point() const
{ return dchar; }
char_type
do_thousands_sep() const
{ return ','; }
string
do_grouping() const
{ return string(); }
};
template<typename _CharT>
void apply_formatting(const _TestCase & tc, basic_ostream<_CharT> & os)
{
os.precision(tc.precision);
os.width(tc.width);
os.fill(static_cast<_CharT>(tc.fill));
if (tc.fixed)
os.setf(ios::fixed);
if (tc.scientific)
os.setf(ios::scientific);
if (tc.showpos)
os.setf(ios::showpos);
if (tc.showpoint)
os.setf(ios::showpoint);
if (tc.uppercase)
os.setf(ios::uppercase);
if (tc.internal)
os.setf(ios::internal);
if (tc.left)
os.setf(ios::left);
if (tc.right)
os.setf(ios::right);
}
void
test01()
{
bool test = true;
for (int j=0; j<sizeof(testcases)/sizeof(testcases[0]); j++)
{
_TestCase & tc = testcases[j];
#ifdef TEST_NUMPUT_VERBOSE
cout << "expect: " << tc.result << endl;
#endif
// test double with wchar_t type
{
testpunct<wchar_t>* __tp = new testpunct<wchar_t>(tc.decimal);
wostringstream os;
locale __loc(os.getloc(), __tp);
os.imbue(__loc);
apply_formatting(tc, os);
os << tc.val;
VERIFY( os && os.str() == tc.wresult );
}
// test long double with wchar_t type
{
testpunct<wchar_t>* __tp = new testpunct<wchar_t>(tc.decimal);
wostringstream os;
locale __loc(os.getloc(), __tp);
os.imbue(__loc);
apply_formatting(tc, os);
os << (long double)tc.val;
VERIFY( os && os.str() == tc.wresult );
}
}
}
int
main()
{
test01();
return 0;
}
|
