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1 // 1999-11-15 Kevin Ediger <kediger@licor.com> | |
2 // test the floating point inserters (facet num_put) | |
3 | |
4 // Copyright (C) 1999, 2002, 2003, 2009 Free Software Foundation, Inc. | |
5 // | |
6 // This file is part of the GNU ISO C++ Library. This library is free | |
7 // software; you can redistribute it and/or modify it under the | |
8 // terms of the GNU General Public License as published by the | |
9 // Free Software Foundation; either version 3, or (at your option) | |
10 // any later version. | |
11 | |
12 // This library is distributed in the hope that it will be useful, | |
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 // GNU General Public License for more details. | |
16 | |
17 // You should have received a copy of the GNU General Public License along | |
18 // with this library; see the file COPYING3. If not see | |
19 // <http://www.gnu.org/licenses/>. | |
20 | |
21 #include <iostream> | |
22 #include <iomanip> | |
23 #include <sstream> | |
24 #include <limits> | |
25 #include <testsuite_hooks.h> | |
26 | |
27 using namespace std; | |
28 | |
29 #ifndef _GLIBCXX_ASSERT | |
30 # define TEST_NUMPUT_VERBOSE 1 | |
31 #endif | |
32 | |
33 struct _TestCase | |
34 { | |
35 double val; | |
36 | |
37 int precision; | |
38 int width; | |
39 char decimal; | |
40 char fill; | |
41 | |
42 bool fixed; | |
43 bool scientific; | |
44 bool showpos; | |
45 bool showpoint; | |
46 bool uppercase; | |
47 bool internal; | |
48 bool left; | |
49 bool right; | |
50 | |
51 const char* result; | |
52 }; | |
53 | |
54 static bool T=true; | |
55 static bool F=false; | |
56 | |
57 static _TestCase testcases[] = | |
58 { | |
59 // standard output (no formatting applied) | |
60 { 1.2, 6,0,'.',' ', F,F,F,F,F,F,F,F, "1.2" }, | |
61 { 54, 6,0,'.',' ', F,F,F,F,F,F,F,F, "54" }, | |
62 { -.012, 6,0,'.',' ', F,F,F,F,F,F,F,F, "-0.012" }, | |
63 { -.00000012, 6,0,'.',' ', F,F,F,F,F,F,F,F, "-1.2e-07" }, | |
64 | |
65 // fixed formatting | |
66 { 10.2345, 0,0,'.',' ', T,F,F,F,F,F,F,F, "10" }, | |
67 { 10.2345, 0,0,'.',' ', T,F,F,T,F,F,F,F, "10." }, | |
68 { 10.2345, 1,0,'.',' ', T,F,F,F,F,F,F,F, "10.2" }, | |
69 { 10.2345, 4,0,'.',' ', T,F,F,F,F,F,F,F, "10.2345" }, | |
70 { 10.2345, 6,0,'.',' ', T,F,T,F,F,F,F,F, "+10.234500" }, | |
71 { -10.2345, 6,0,'.',' ', T,F,F,F,F,F,F,F, "-10.234500" }, | |
72 { -10.2345, 6,0,',',' ', T,F,F,F,F,F,F,F, "-10,234500" }, | |
73 | |
74 // fixed formatting with width | |
75 { 10.2345, 4,5,'.',' ', T,F,F,F,F,F,F,F, "10.2345" }, | |
76 { 10.2345, 4,6,'.',' ', T,F,F,F,F,F,F,F, "10.2345" }, | |
77 { 10.2345, 4,7,'.',' ', T,F,F,F,F,F,F,F, "10.2345" }, | |
78 { 10.2345, 4,8,'.',' ', T,F,F,F,F,F,F,F, " 10.2345" }, | |
79 { 10.2345, 4,10,'.',' ', T,F,F,F,F,F,F,F, " 10.2345" }, | |
80 { 10.2345, 4,10,'.',' ', T,F,F,F,F,F,T,F, "10.2345 " }, | |
81 { 10.2345, 4,10,'.',' ', T,F,F,F,F,F,F,T, " 10.2345" }, | |
82 { 10.2345, 4,10,'.',' ', T,F,F,F,F,T,F,F, " 10.2345" }, | |
83 { -10.2345, 4,10,'.',' ', T,F,F,F,F,T,F,F, "- 10.2345" }, | |
84 { -10.2345, 4,10,'.','A', T,F,F,F,F,T,F,F, "-AA10.2345" }, | |
85 { 10.2345, 4,10,'.','#', T,F,T,F,F,T,F,F, "+##10.2345" }, | |
86 | |
87 // scientific formatting | |
88 { 1.23e+12, 1,0,'.',' ', F,T,F,F,F,F,F,F, "1.2e+12" }, | |
89 { 1.23e+12, 1,0,'.',' ', F,T,F,F,T,F,F,F, "1.2E+12" }, | |
90 { 1.23e+12, 2,0,'.',' ', F,T,F,F,F,F,F,F, "1.23e+12" }, | |
91 { 1.23e+12, 3,0,'.',' ', F,T,F,F,F,F,F,F, "1.230e+12" }, | |
92 { 1.23e+12, 3,0,'.',' ', F,T,T,F,F,F,F,F, "+1.230e+12" }, | |
93 { -1.23e-12, 3,0,'.',' ', F,T,F,F,F,F,F,F, "-1.230e-12" }, | |
94 { 1.23e+12, 3,0,',',' ', F,T,F,F,F,F,F,F, "1,230e+12" }, | |
95 }; | |
96 | |
97 template<typename _CharT> | |
98 class testpunct : public numpunct<_CharT> | |
99 { | |
100 public: | |
101 typedef _CharT char_type; | |
102 const char_type dchar; | |
103 | |
104 explicit | |
105 testpunct(char_type decimal_char) : numpunct<_CharT>(), dchar(decimal_char) | |
106 { } | |
107 | |
108 protected: | |
109 char_type | |
110 do_decimal_point() const | |
111 { return dchar; } | |
112 | |
113 char_type | |
114 do_thousands_sep() const | |
115 { return ','; } | |
116 | |
117 string | |
118 do_grouping() const | |
119 { return string(); } | |
120 }; | |
121 | |
122 template<typename _CharT> | |
123 void apply_formatting(const _TestCase & tc, basic_ostream<_CharT> & os) | |
124 { | |
125 os.precision(tc.precision); | |
126 os.width(tc.width); | |
127 os.fill(static_cast<_CharT>(tc.fill)); | |
128 if (tc.fixed) | |
129 os.setf(ios::fixed); | |
130 if (tc.scientific) | |
131 os.setf(ios::scientific); | |
132 if (tc.showpos) | |
133 os.setf(ios::showpos); | |
134 if (tc.showpoint) | |
135 os.setf(ios::showpoint); | |
136 if (tc.uppercase) | |
137 os.setf(ios::uppercase); | |
138 if (tc.internal) | |
139 os.setf(ios::internal); | |
140 if (tc.left) | |
141 os.setf(ios::left); | |
142 if (tc.right) | |
143 os.setf(ios::right); | |
144 } | |
145 | |
146 void | |
147 test01() | |
148 { | |
149 bool test __attribute__((unused)) = true; | |
150 for (std::size_t j = 0; j<sizeof(testcases)/sizeof(testcases[0]); j++) | |
151 { | |
152 _TestCase & tc = testcases[j]; | |
153 #ifdef TEST_NUMPUT_VERBOSE | |
154 cout << "expect: " << tc.result << endl; | |
155 #endif | |
156 // test double with char type | |
157 { | |
158 testpunct<char>* __tp = new testpunct<char>(tc.decimal); | |
159 ostringstream os; | |
160 locale __loc(os.getloc(), __tp); | |
161 os.imbue(__loc); | |
162 apply_formatting(tc, os); | |
163 os << tc.val; | |
164 #ifdef TEST_NUMPUT_VERBOSE | |
165 cout << j << "result 1: " << os.str() << endl; | |
166 #endif | |
167 VERIFY( os && os.str() == tc.result ); | |
168 } | |
169 // test long double with char type | |
170 { | |
171 testpunct<char>* __tp = new testpunct<char>(tc.decimal); | |
172 ostringstream os; | |
173 locale __loc(os.getloc(), __tp); | |
174 os.imbue(__loc); | |
175 apply_formatting(tc, os); | |
176 os << (long double)tc.val; | |
177 #ifdef TEST_NUMPUT_VERBOSE | |
178 cout << j << "result 2: " << os.str() << endl; | |
179 #endif | |
180 VERIFY( os && os.str() == tc.result ); | |
181 } | |
182 } | |
183 } | |
184 | |
185 int | |
186 main() | |
187 { | |
188 test01(); | |
189 return 0; | |
190 } | |
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