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Diffstat (limited to 'libstdc++-v3/testsuite/27_io/istream_extractor_arith.cc')
-rw-r--r-- | libstdc++-v3/testsuite/27_io/istream_extractor_arith.cc | 611 |
1 files changed, 0 insertions, 611 deletions
diff --git a/libstdc++-v3/testsuite/27_io/istream_extractor_arith.cc b/libstdc++-v3/testsuite/27_io/istream_extractor_arith.cc deleted file mode 100644 index c184b3fade2..00000000000 --- a/libstdc++-v3/testsuite/27_io/istream_extractor_arith.cc +++ /dev/null @@ -1,611 +0,0 @@ -// 1999-04-12 bkoz - -// Copyright (C) 1999, 2000, 2002 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. - -// 27.6.1.2.2 arithmetic extractors - -#include <cstdio> // for printf -#include <istream> -#include <ostream> -#include <sstream> -#include <locale> -#include <testsuite_hooks.h> - -std::string str_01; -std::string str_02("true false 0 1 110001"); -std::string str_03("-19999999 777777 -234234 233 -234 33 1 66300.25 .315 1.5"); -std::string str_04("0123"); - -std::stringbuf isbuf_01(std::ios_base::in); -std::stringbuf isbuf_02(str_02, std::ios_base::in); -std::stringbuf isbuf_03(str_03, std::ios_base::in); -std::stringbuf isbuf_04(str_04, std::ios_base::in); - -std::istream is_01(NULL); -std::istream is_02(&isbuf_02); -std::istream is_03(&isbuf_03); -std::istream is_04(&isbuf_04); -std::stringstream ss_01(str_01); - -// minimal sanity check -bool test01() { - - bool test = true; - - // Integral Types: - bool b1 = false; - bool b2 = false; - short s1 = 0; - int i1 = 0; - long l1 = 0; - unsigned short us1 = 0; - unsigned int ui1 = 0; - unsigned long ul1 = 0; - - // Floating-point Types: - float f1 = 0; - double d1 = 0; - long double ld1 = 0; - - // process alphanumeric versions of bool values - std::ios_base::fmtflags fmt = is_02.flags(); - bool testfmt = fmt & std::ios_base::boolalpha; - is_02.setf(std::ios_base::boolalpha); - fmt = is_02.flags(); - testfmt = fmt & std::ios_base::boolalpha; - is_02 >> b1; - VERIFY( b1 == 1 ); - is_02 >> b1; - VERIFY( b1 == 0 ); - - // process numeric versions of of bool values - is_02.unsetf(std::ios_base::boolalpha); - fmt = is_02.flags(); - testfmt = fmt & std::ios_base::boolalpha; - is_02 >> b1; - VERIFY( b1 == 0 ); - is_02 >> b1; - VERIFY( b1 == 1 ); - - // is_03 == "-19999999 777777 -234234 233 -234 33 1 66300.25 .315 1.5" - is_03 >> l1; - VERIFY( l1 == -19999999 ); - is_03 >> ul1; - VERIFY( ul1 == 777777 ); - is_03 >> i1; - VERIFY( i1 == -234234 ); - is_03 >> ui1; - VERIFY( ui1 == 233 ); - is_03 >> s1; - VERIFY( s1 == -234 ); - is_03 >> us1; - VERIFY( us1 == 33 ); - is_03 >> b1; - VERIFY( b1 == 1 ); - is_03 >> ld1; - VERIFY( ld1 == 66300.25 ); - is_03 >> d1; - VERIFY( d1 == .315 ); - is_03 >> f1; - VERIFY( f1 == 1.5 ); - - is_04 >> std::hex >> i1; - std::printf ("%d %d %d\n", i1, i1 == 0x123, test); - VERIFY( i1 == 0x123 ); - std::printf ("%d %d %d\n", i1, i1 == 0x123, test); - - // test void pointers - int i = 55; - void* po = &i; - void* pi; - - ss_01 << po; - ss_01 >> pi; - std::printf ("%x %x\n", pi, po); - VERIFY( po == pi ); - -#ifdef DEBUG_ASSERT - assert(test); -#endif - - return test; -} - -// elaborated test for ints -bool test02() { - - bool test = true; - const std::string str_01("20000AB"); - std::stringbuf strb_01(str_01, std::ios_base::in); - std::istream is(&strb_01); - - int n = 15; - is >> n; - VERIFY( n == 20000 ); - char c = is.peek(); - VERIFY( c == 65 ); - -#ifdef DEBUG_ASSERT - assert(test); -#endif - - return test; -} - -bool test03() -{ - std::stringbuf sbuf; - std::istream istr(&sbuf); - std::ostream ostr(&sbuf); - - bool test = true; - long l01; - ostr << "12220101"; - istr >> l01; // _M_in_end set completely incorrectly here. - VERIFY( l01 == 12220101 ); - VERIFY( istr.rdstate() == std::ios_base::eofbit ); - -#ifdef DEBUG_ASSERT - assert(test); -#endif - - return test; -} - -// http://gcc.gnu.org/ml/libstdc++/2000-q1/msg00081.html -// Jim Parsons -void test06() -{ - // default locale, grouping is turned off - bool test = true; - unsigned int h4, h3, h2; - char c; - std::string s("205,199,144"); - std::istringstream is(s); - - is >> h4; // 205 - VERIFY( h4 == 205 ); - is >> c; // ',' - VERIFY( c == ',' ); - - is >> h4; // 199 - VERIFY( h4 == 199 ); - is >> c; // ',' - VERIFY( c == ',' ); - - is >> h4; // 144 - VERIFY( is.rdstate() == std::ios_base::eofbit ); - VERIFY( h4 == 144 ); - is >> c; // EOF - VERIFY( c == ',' ); - VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) ); - -#ifdef DEBUG_ASSERT - assert(test); -#endif -} - -namespace std { - class test_numpunct1 : public numpunct<char> - { - protected: - string - do_grouping() const - { return string(1, '\003'); } - }; -} // namespace std - -void test07() -{ - // manufactured locale, grouping is turned on - bool test = true; - unsigned int h4 = 0, h3 = 0, h2 = 0; - float f1 = 0.0; - const std::string s1("205,199 23,445.25 1,024,365 123,22,24"); - std::istringstream is(s1); - is.imbue(std::locale(std::locale(), new std::test_numpunct1)); - - // Basic operation. - is >> h4; - VERIFY( h4 == 205199 ); - VERIFY( is.good() ); - - is.clear(); - is >> f1; - VERIFY( f1 == 23445.25 ); - VERIFY( is.good() ); - - is.clear(); - is >> h3; - VERIFY( h3 == 1024365 ); - VERIFY( is.good() ); - - is.clear(); - is >> h2; - VERIFY( h2 == 0 ); - VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) ); - VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::eofbit) ); - - // Stress tests for explicit errors in grouping corner cases. The - // validity of these tests and results have been hammered out in - // private email between bkoz and ncm between Jan 25 and Jan 27, 2000. - // Thanks nate -- benjamin - const std::string s2(",111 4,,4 0.25,345 5..25 156,, 1,000000 1000000 1234,567"); - h3 = h4 = h2 = 0; - f1 = 0.0; - const char c_control = '?'; - char c = c_control; - is.clear(); - is.str(s2); - - is >> h4; - VERIFY( h4 == 0 ); - VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) ); - is.clear(); - is >> c; - VERIFY( c == ',' ); - VERIFY( is.good() ); - - is.ignore(3); - is >> f1; - VERIFY( f1 == 0.0 ); - VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) ); - is.clear(); - is >> c; - VERIFY( c == ',' ); - is >> c; - VERIFY( c == '4' ); - VERIFY( is.good() ); - - is >> f1; - VERIFY( f1 == 0.25 ); - VERIFY( is.good() ); - is >> c; - VERIFY( c == ',' ); - is >> h2; - VERIFY( h2 == 345 ); - VERIFY( is.good() ); - f1 = 0.0; - h2 = 0; - - is >> f1; - VERIFY( f1 == 5.0 ); - VERIFY( is.good() ); - is >> f1; - VERIFY( f1 == .25 ); - VERIFY( is.good() ); - - is >> h3; - VERIFY( h3 == 0 ); - VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) ); - is.clear(); - is >> c; - VERIFY( c == ',' ); // second one - VERIFY( is.good() ); - - is >> h2; - VERIFY( h2 == 0 ); - VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) ); - is.clear(); - - is >> h2; - VERIFY( h2 == 1000000 ); - VERIFY( is.good() ); - h2 = 0; - - is >> h2; - VERIFY( h2 == 0 ); - VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) ); - VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::eofbit) ); - is.clear(); - -#ifdef DEBUG_ASSERT - assert(test); -#endif -} - -namespace std { - class test_numpunct2 : public numpunct<char> - { - protected: - string - do_grouping() const - { return string("\002\003"); } - }; -} // namespace std - -void test08() -{ - // manufactured locale, grouping is turned on - bool test = true; - unsigned int h4 = 0, h3 = 0, h2 = 0; - float f1 = 0.0; - const std::string s1("1,22 205,19 22,123,22"); - const std::string s2("1,220 2050,19 202,123,22"); - - std::istringstream is(s1); - is.imbue(std::locale(std::locale(), new std::test_numpunct2)); - - // Basic operation. - is >> h4; - VERIFY( h4 == 122 ); - VERIFY( is.good() ); - - is.clear(); - is >> h3; - VERIFY( h3 == 20519 ); - VERIFY( is.good() ); - - is.clear(); - is >> h2; - VERIFY( h2 == 2212322 ); - VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::eofbit) ); - - -#ifdef DEBUG_ASSERT - assert(test); -#endif -} - - -bool test09() -{ - bool test = true; - - std::string st("2.456e3-+0.567e-2"); - std::stringbuf sb(st); - std::istream is(&sb); - double f1 = 0, f2 = 0; - char c; - (is>>std::ws) >> f1; - (is>>std::ws) >> c; - (is>>std::ws) >> f2; - test = f1 == 2456; - VERIFY( f2 == 0.00567 ); - VERIFY( c == '-' ); -#ifdef DEBUG_ASSERT - assert(test); -#endif - - return test; -} - -bool test10() { - std::string str_01("0 00 000 +0 +0 -0"); - std::stringbuf isbuf_01(str_01); - std::istream is_01(&isbuf_01); - - bool test = true; - - int n = 365; - is_01 >> n; - VERIFY( n == 0 ); - n = 364; - is_01 >> n; - VERIFY( n == 0 ); - n = 363; - is_01 >> n; - VERIFY( n == 0 ); - n = 362; - is_01 >> n; - VERIFY( n == 0 ); - n = 361; - is_01 >> n; - VERIFY( n == 0 ); - n = 360; - is_01 >> n; - VERIFY( n == 0 ); - VERIFY( is_01.rdstate() == std::ios_base::eofbit ); - - std::string str_02("0x32 0X33 033 33"); - std::stringbuf isbuf_02(str_02); - std::istream is_02(&isbuf_02); - is_02.unsetf(std::ios_base::basefield); - is_02 >> n; - VERIFY( n == 50 ); - is_02 >> n; - VERIFY( n == 51 ); - is_02 >> n; - VERIFY( n == 27 ); - is_02 >> n; - VERIFY( n == 33 ); - VERIFY( is_02.rdstate() == std::ios_base::eofbit ); - - std::stringbuf isbuf_03(str_02); - std::istream is_03(&isbuf_03); - char c; - int m; - - is_03 >> std::dec >> n >> c >> m; - VERIFY( n == 0 ); - VERIFY( c == 'x' ); - VERIFY( m == 32 ); - - is_03 >> std::oct >> m >> c >> n; - VERIFY( m == 0 ); - VERIFY( c == 'X' ); - VERIFY( n == 27 ); - - is_03 >> std::dec >> m >> n; - VERIFY( m == 33 ); - VERIFY( n == 33 ); - VERIFY( is_03.rdstate() == std::ios_base::eofbit ); - - std::string str_04("3. 4.5E+2a5E-3 .6E1"); - std::stringbuf isbuf_04(str_04); - std::istream is_04(&isbuf_04); - - double f; - is_04 >> f; - VERIFY( f == 3.0 ); - is_04 >> f; - VERIFY( f == 450.0 ); - is_04.ignore(); - is_04 >> f; - VERIFY( f == 0.005 ); - is_04 >> f; - VERIFY( f == 6 ); - VERIFY( is_03.rdstate() == std::ios_base::eofbit ); - - std::string str_05("0E20 5Ea E16"); - std::stringbuf isbuf_05(str_05); - std::istream is_05(&isbuf_05); - - is_05 >> f; - VERIFY( f == 0 ); - is_05 >> f; - VERIFY( f == 0 ); - VERIFY( is_05.rdstate() == std::ios_base::failbit ); - is_05.clear(); - is_05 >> c; - VERIFY( c == 'a' ); - is_05 >> f; - VERIFY( f == 0 ); - VERIFY( is_05.rdstate() == std::ios_base::failbit ); - is_05.clear(); - is_05.ignore(); - is_05 >> n; - VERIFY( n == 16 ); - -#ifdef DEBUG_ASSERT - assert(test); -#endif - - return test; -} - -// In the presence of no fmtflags, the input operator should behave -// like strtol(x, y, 0) -// libstdc++/90 -bool test11() -{ - bool test = true; - const char* cstrlit = "0x2a"; - - // sanity check via 'C' library call - char* err; - long l = std::strtol(cstrlit, &err, 0); - - std::istringstream iss(cstrlit); - iss.setf(std::ios::fmtflags(0), std::ios::basefield); - int i; - iss >> i; - - VERIFY (!iss.fail()); - VERIFY (l == i); - - return test; -} - -// libstdc++/3720 -// excess input should not cause a core dump -template<typename T> -bool test12_aux(bool integer_type) -{ - bool test = true; - - int digits_overflow; - if (integer_type) - // This many digits will overflow integer types in base 10. - digits_overflow = std::numeric_limits<T>::digits10 + 2; - else - // This might do it, unsure. - digits_overflow = std::numeric_limits<T>::max_exponent10 + 1; - - std::string st; - std::string part = "1234567890123456789012345678901234567890"; - for (int i = 0; i < digits_overflow / part.size() + 1; ++i) - st += part; - std::stringbuf sb(st); - std::istream is(&sb); - T t; - is >> t; - VERIFY(is.fail()); - return test; -} - -bool test12() -{ - bool test = true; - VERIFY(test12_aux<short>(true)); - VERIFY(test12_aux<int>(true)); - VERIFY(test12_aux<long>(true)); - VERIFY(test12_aux<float>(false)); - VERIFY(test12_aux<double>(false)); - VERIFY(test12_aux<long double>(false)); - return test; -} - -// libstdc++/3720 part two -void test13() -{ - using namespace std; - bool test = true; - const char* l1 = "12345678901234567890123456789012345678901234567890123456"; - const char* l2 = "1.2345678901234567890123456789012345678901234567890123456" - " " - "1246.9"; - - // 1 - // used to core. - double d; - istringstream iss1(l2); - iss1 >> d; - iss1 >> d; - VERIFY (d > 1246 && d < 1247); - - // 2 - // quick test for failbit on maximum length extraction. - int i; - int max_digits = numeric_limits<int>::digits10 + 1; - string digits; - for (int j = 0; j < max_digits; ++j) - digits += '1'; - istringstream iss2(digits); - iss2 >> i; - VERIFY( !iss2.fail() ); - - digits += '1'; - i = 0; - iss2.str(digits); - iss2.clear(); - iss2 >> i; - VERIFY( i == 0 ); - VERIFY( iss2.fail() ); -} - -int main() -{ - test01(); - test02(); - test03(); - - test06(); - test07(); - test08(); - test09(); - test10(); - - test11(); - test12(); - test13(); - return 0; -} - -// paul miller was right on with riddim warfare! |