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// 1999-11-15 Kevin Ediger  <kediger@licor.com>

// test the floating point inserters (facet num_put)

// Copyright (C) 1999, 2002, 2003, 2009 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 3, 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 COPYING3.  If not see

// <http://www.gnu.org/licenses/>.

#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 __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 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;

}