3 // Copyright (C) 1999, 2000 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 2, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING. If not, write to the Free
18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
21 // 27.6.1.2.2 arithmetic extractors
23 #include <cstdio> // for printf
28 #include <testsuite_hooks.h>
31 std::string str_02("true false 0 1 110001");
32 std::string str_03("-19999999 777777 -234234 233 -234 33 1 66300.25 .315 1.5");
33 std::string str_04("0123");
35 std::stringbuf isbuf_01(std::ios_base::in);
36 std::stringbuf isbuf_02(str_02, std::ios_base::in);
37 std::stringbuf isbuf_03(str_03, std::ios_base::in);
38 std::stringbuf isbuf_04(str_04, std::ios_base::in);
40 std::istream is_01(NULL);
41 std::istream is_02(&isbuf_02);
42 std::istream is_03(&isbuf_03);
43 std::istream is_04(&isbuf_04);
44 std::stringstream ss_01(str_01);
46 // minimal sanity check
57 unsigned short us1 = 0;
59 unsigned long ul1 = 0;
61 // Floating-point Types:
66 // process alphanumeric versions of bool values
67 std::ios_base::fmtflags fmt = is_02.flags();
68 bool testfmt = fmt & std::ios_base::boolalpha;
69 is_02.setf(std::ios_base::boolalpha);
71 testfmt = fmt & std::ios_base::boolalpha;
77 // process numeric versions of of bool values
78 is_02.unsetf(std::ios_base::boolalpha);
80 testfmt = fmt & std::ios_base::boolalpha;
86 // is_03 == "-19999999 777777 -234234 233 -234 33 1 66300.25 .315 1.5"
88 VERIFY( l1 == -19999999 );
90 VERIFY( ul1 == 777777 );
92 VERIFY( i1 == -234234 );
102 VERIFY( ld1 == 66300.25 );
104 VERIFY( d1 == .315 );
108 is_04 >> std::hex >> i1;
109 std::printf ("%d %d %d\n", i1, i1 == 0x123, test);
110 VERIFY( i1 == 0x123 );
111 std::printf ("%d %d %d\n", i1, i1 == 0x123, test);
113 // test void pointers
120 std::printf ("%x %x\n", pi, po);
130 // elaborated test for ints
134 const std::string str_01("20000AB");
135 std::stringbuf strb_01(str_01, std::ios_base::in);
136 std::istream is(&strb_01);
140 VERIFY( n == 20000 );
154 std::istream istr(&sbuf);
155 std::ostream ostr(&sbuf);
160 istr >> l01; // _M_in_end set completely incorrectly here.
161 VERIFY( l01 == 12220101 );
162 VERIFY( istr.rdstate() == std::ios_base::eofbit );
171 // http://gcc.gnu.org/ml/libstdc++/2000-q1/msg00081.html
175 // default locale, grouping is turned off
177 unsigned int h4, h3, h2;
179 std::string s("205,199,144");
180 std::istringstream is(s);
193 VERIFY( is.rdstate() == std::ios_base::eofbit );
197 VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
205 class test_numpunct1 : public numpunct<char>
210 { return string(1, '\003'); }
216 // manufactured locale, grouping is turned on
218 unsigned int h4 = 0, h3 = 0, h2 = 0;
220 const std::string s1("205,199 23,445.25 1,024,365 123,22,24");
221 std::istringstream is(s1);
222 is.imbue(std::locale(std::locale(), new std::test_numpunct1));
226 VERIFY( h4 == 205199 );
231 VERIFY( f1 == 23445.25 );
236 VERIFY( h3 == 1024365 );
242 VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
243 VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::eofbit) );
245 // Stress tests for explicit errors in grouping corner cases. The
246 // validity of these tests and results have been hammered out in
247 // private email between bkoz and ncm between Jan 25 and Jan 27, 2000.
248 // Thanks nate -- benjamin
249 const std::string s2(",111 4,,4 0.25,345 5..25 156,, 1,000000 1000000 1234,567");
252 const char c_control = '?';
259 VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
268 VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
277 VERIFY( f1 == 0.25 );
296 VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
299 VERIFY( c == ',' ); // second one
304 VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
308 VERIFY( h2 == 1000000 );
314 VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
315 VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::eofbit) );
324 class test_numpunct2 : public numpunct<char>
329 { return string("\002\003"); }
335 // manufactured locale, grouping is turned on
337 unsigned int h4 = 0, h3 = 0, h2 = 0;
339 const std::string s1("1,22 205,19 22,123,22");
340 const std::string s2("1,220 2050,19 202,123,22");
342 std::istringstream is(s1);
343 is.imbue(std::locale(std::locale(), new std::test_numpunct2));
352 VERIFY( h3 == 20519 );
357 VERIFY( h2 == 2212322 );
358 VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::eofbit) );
371 std::string st("2.456e3-+0.567e-2");
372 std::stringbuf sb(st);
373 std::istream is(&sb);
374 double f1 = 0, f2 = 0;
380 VERIFY( f2 == 0.00567 );
390 std::string str_01("0 00 000 +0 + 0 - 0");
391 std::stringbuf isbuf_01(str_01);
392 std::istream is_01(&isbuf_01);
414 VERIFY( is_01.rdstate() == std::ios_base::eofbit );
416 std::string str_02("0x32 0X33 033 33");
417 std::stringbuf isbuf_02(str_02);
418 std::istream is_02(&isbuf_02);
419 is_02.unsetf(std::ios_base::basefield);
428 VERIFY( is_02.rdstate() == std::ios_base::eofbit );
430 std::stringbuf isbuf_03(str_02);
431 std::istream is_03(&isbuf_03);
435 is_03 >> std::dec >> n >> c >> m;
440 is_03 >> std::oct >> m >> c >> n;
445 is_03 >> std::dec >> m >> n;
448 VERIFY( is_03.rdstate() == std::ios_base::eofbit );
450 std::string str_04("3. 4.5E+ 2a5E-3 .6E1");
451 std::stringbuf isbuf_04(str_04);
452 std::istream is_04(&isbuf_04);
458 VERIFY( f == 450.0 );
461 VERIFY( f == 0.005 );
464 VERIFY( is_03.rdstate() == std::ios_base::eofbit );
466 std::string str_05("0E20 5Ea E16");
467 std::stringbuf isbuf_05(str_05);
468 std::istream is_05(&isbuf_05);
474 VERIFY( is_05.rdstate() == std::ios_base::failbit );
480 VERIFY( is_05.rdstate() == std::ios_base::failbit );
493 // In the presence of no fmtflags, the input operator should behave
494 // like strtol(x, y, 0)
499 const char* cstrlit = "0x2a";
501 // sanity check via 'C' library call
503 long l = strtol(cstrlit, &err, 0);
505 std::istringstream iss(cstrlit);
506 iss.setf(std::ios::fmtflags(0), std::ios::basefield);
510 VERIFY (!iss.fail());
532 // paul miller was right on with riddim warfare!