| // 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
| // USA. |
| |
| #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; |
| }; |
| |
| static bool T=true; |
| static bool F=false; |
| |
| static _TestCase testcases[] = |
| { |
| // standard output (no formatting applied) |
| { 1.2, 6,0,'.',' ', F,F,F,F,F,F,F,F, "1.2" }, |
| { 54, 6,0,'.',' ', F,F,F,F,F,F,F,F, "54" }, |
| { -.012, 6,0,'.',' ', F,F,F,F,F,F,F,F, "-0.012" }, |
| { -.00000012, 6,0,'.',' ', F,F,F,F,F,F,F,F, "-1.2e-07" }, |
| |
| // fixed formatting |
| { 10.2345, 0,0,'.',' ', T,F,F,F,F,F,F,F, "10" }, |
| { 10.2345, 0,0,'.',' ', T,F,F,T,F,F,F,F, "10." }, |
| { 10.2345, 1,0,'.',' ', T,F,F,F,F,F,F,F, "10.2" }, |
| { 10.2345, 4,0,'.',' ', T,F,F,F,F,F,F,F, "10.2345" }, |
| { 10.2345, 6,0,'.',' ', T,F,T,F,F,F,F,F, "+10.234500" }, |
| { -10.2345, 6,0,'.',' ', T,F,F,F,F,F,F,F, "-10.234500" }, |
| { -10.2345, 6,0,',',' ', T,F,F,F,F,F,F,F, "-10,234500" }, |
| |
| // fixed formatting with width |
| { 10.2345, 4,5,'.',' ', T,F,F,F,F,F,F,F, "10.2345" }, |
| { 10.2345, 4,6,'.',' ', T,F,F,F,F,F,F,F, "10.2345" }, |
| { 10.2345, 4,7,'.',' ', T,F,F,F,F,F,F,F, "10.2345" }, |
| { 10.2345, 4,8,'.',' ', T,F,F,F,F,F,F,F, " 10.2345" }, |
| { 10.2345, 4,10,'.',' ', T,F,F,F,F,F,F,F, " 10.2345" }, |
| { 10.2345, 4,10,'.',' ', T,F,F,F,F,F,T,F, "10.2345 " }, |
| { 10.2345, 4,10,'.',' ', T,F,F,F,F,F,F,T, " 10.2345" }, |
| { 10.2345, 4,10,'.',' ', T,F,F,F,F,T,F,F, " 10.2345" }, |
| { -10.2345, 4,10,'.',' ', T,F,F,F,F,T,F,F, "- 10.2345" }, |
| { -10.2345, 4,10,'.','A', T,F,F,F,F,T,F,F, "-AA10.2345" }, |
| { 10.2345, 4,10,'.','#', T,F,T,F,F,T,F,F, "+##10.2345" }, |
| |
| // scientific formatting |
| { 1.23e+12, 1,0,'.',' ', F,T,F,F,F,F,F,F, "1.2e+12" }, |
| { 1.23e+12, 1,0,'.',' ', F,T,F,F,T,F,F,F, "1.2E+12" }, |
| { 1.23e+12, 2,0,'.',' ', F,T,F,F,F,F,F,F, "1.23e+12" }, |
| { 1.23e+12, 3,0,'.',' ', F,T,F,F,F,F,F,F, "1.230e+12" }, |
| { 1.23e+12, 3,0,'.',' ', F,T,T,F,F,F,F,F, "+1.230e+12" }, |
| { -1.23e-12, 3,0,'.',' ', F,T,F,F,F,F,F,F, "-1.230e-12" }, |
| { 1.23e+12, 3,0,',',' ', F,T,F,F,F,F,F,F, "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 __attribute__((unused)) = true; |
| for (std::size_t 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 char type |
| { |
| testpunct<char>* __tp = new testpunct<char>(tc.decimal); |
| ostringstream os; |
| locale __loc(os.getloc(), __tp); |
| os.imbue(__loc); |
| apply_formatting(tc, os); |
| os << tc.val; |
| #ifdef TEST_NUMPUT_VERBOSE |
| cout << j << "result 1: " << os.str() << endl; |
| #endif |
| VERIFY( os && os.str() == tc.result ); |
| } |
| // test long double with char type |
| { |
| testpunct<char>* __tp = new testpunct<char>(tc.decimal); |
| ostringstream os; |
| locale __loc(os.getloc(), __tp); |
| os.imbue(__loc); |
| apply_formatting(tc, os); |
| os << (long double)tc.val; |
| #ifdef TEST_NUMPUT_VERBOSE |
| cout << j << "result 2: " << os.str() << endl; |
| #endif |
| VERIFY( os && os.str() == tc.result ); |
| } |
| } |
| } |
| |
| int |
| main() |
| { |
| test01(); |
| return 0; |
| } |