time_facets_test.cpp

stl的源码

#include "locale_test.h"

#if !defined (STLPORT) || !defined (_STLP_USE_NO_IOSTREAMS)
#  include <locale>
#  include <sstream>
#  include <memory>
#  include <stdexcept>

#  if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)
using namespace std;
#  endif

static const char* tested_locales[] = {
// name,
#  if !defined (STLPORT) || defined (_STLP_USE_EXCEPTIONS)
   "fr_FR",
   "ru_RU.koi8r",
   "en_GB",
   "en_US",
#  endif
   "",
   "C"
};

void LocaleTest::_time_put_get( const locale& loc )
{
  {
    typedef time_put<char, ostreambuf_iterator<char, char_traits<char> > > time_put_facet;
    CPPUNIT_ASSERT( has_facet<time_put_facet>(loc) );
    const time_put_facet& tmp = use_facet<time_put_facet>(loc);

    struct tm xmas = { 0, 0, 12, 25, 11, 93 };
    ostringstream ostr;
    ostr.imbue(loc);
    string format = "%B %d %Y";

    time_put_facet::iter_type ret = tmp.put(ostr, ostr, ' ', &xmas, format.data(), format.data() + format.size());
    CPPUNIT_ASSERT( !ret.failed() );

    /*
     * In other words, user conformation is required for reliable parsing
     * of user-entered dates and times, but machine-generated formats can be
     * parsed reliably. This allows parsers to be aggressive about interpreting
     * user variations on standard format.
     *
     *                                             ISO/IEC 14882, 22.2.5.1
     */
    typedef time_get<char, istreambuf_iterator<char, char_traits<char> > > time_get_facet;
    CPPUNIT_ASSERT( has_facet<time_get_facet>(loc) );
    const time_get_facet& tmg = use_facet<time_get_facet>(loc);
    basic_ios<char> io(0);
    io.imbue(loc);

    istringstream istr( ostr.str() );
    istreambuf_iterator<char, char_traits<char> > i( istr );
    istreambuf_iterator<char, char_traits<char> > e;
    ios_base::iostate err = ios_base::goodbit;
    struct tm other = { 15, 20, 9, 14, 7, 105 };

    i = tmg.get_monthname( i, e, io, err, &other );
    CPPUNIT_ASSERT( err == ios_base::goodbit );
    CPPUNIT_ASSERT( other.tm_mon == xmas.tm_mon );

    ++i; ++i; ++i; ++i; // skip day of month and spaces around it
    i = tmg.get_year( i, e, io, err, &other );

    CPPUNIT_ASSERT( err == ios_base::eofbit );
    CPPUNIT_ASSERT( other.tm_year == xmas.tm_year );

    ostringstream ostrX;
    ostrX.imbue(loc);
    format = "%x %X";

    ret = tmp.put(ostrX, ostrX, ' ', &xmas, format.data(), format.data() + format.size());
    CPPUNIT_ASSERT( !ret.failed() );

    istringstream istrX( ostrX.str() );
    istreambuf_iterator<char, char_traits<char> > j( istrX );

    err = ios_base::goodbit;

    struct tm yet_more = { 15, 20, 9, 14, 7, 105 };

    j = tmg.get_date( j, e, io, err, &yet_more );

    CPPUNIT_ASSERT( err == ios_base::goodbit );

    CPPUNIT_ASSERT( yet_more.tm_sec != xmas.tm_sec );
    CPPUNIT_ASSERT( yet_more.tm_min != xmas.tm_min );
    CPPUNIT_ASSERT( yet_more.tm_hour != xmas.tm_hour );
    CPPUNIT_ASSERT( yet_more.tm_mday == xmas.tm_mday );
    CPPUNIT_ASSERT( yet_more.tm_mon == xmas.tm_mon );
    CPPUNIT_ASSERT( yet_more.tm_year == xmas.tm_year );

    ++j; // skip space

    j = tmg.get_time( j, e, io, err, &yet_more );

    CPPUNIT_ASSERT( err == ios_base::eofbit || err == ios_base::goodbit );

    CPPUNIT_ASSERT( yet_more.tm_sec == xmas.tm_sec );
    CPPUNIT_ASSERT( yet_more.tm_min == xmas.tm_min );
    CPPUNIT_ASSERT( yet_more.tm_hour == xmas.tm_hour );
    CPPUNIT_ASSERT( yet_more.tm_mday == xmas.tm_mday );
    CPPUNIT_ASSERT( yet_more.tm_mon == xmas.tm_mon );
    CPPUNIT_ASSERT( yet_more.tm_year == xmas.tm_year );
  }
#  if !defined (STLPORT) || !defined (_STLP_NO_WCHAR_T)
  {
    typedef time_put<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > > time_put_facet;
    CPPUNIT_ASSERT( has_facet<time_put_facet>(loc) );
    const time_put_facet& tmp = use_facet<time_put_facet>(loc);

    struct tm xmas = { 0, 0, 12, 25, 11, 93 };
    wostringstream ostr;
    ostr.imbue(loc);
    wstring format = L"%B %d %Y";

    time_put_facet::iter_type ret = tmp.put(ostr, ostr, ' ', &xmas, format.data(), format.data() + format.size());
    CPPUNIT_ASSERT( !ret.failed() );

    /*
     * In other words, user conformation is required for reliable parsing
     * of user-entered dates and times, but machine-generated formats can be
     * parsed reliably. This allows parsers to be aggressive about interpreting
     * user variations on standard format.
     *
     *                                             ISO/IEC 14882, 22.2.5.1
     */
    typedef time_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > > time_get_facet;
    CPPUNIT_ASSERT( has_facet<time_get_facet>(loc) );
    const time_get_facet& tmg = use_facet<time_get_facet>(loc);
    // Intentional instantiation with char to show a bug in a previous STLport version.
    basic_ios<char> io(0);
    io.imbue(loc);

    wistringstream istr( ostr.str() );
    istreambuf_iterator<wchar_t, char_traits<wchar_t> > i( istr );
    istreambuf_iterator<wchar_t, char_traits<wchar_t> > e;
    ios_base::iostate err = ios_base::goodbit;
    struct tm other = { 15, 20, 9, 14, 7, 105 };

    i = tmg.get_monthname( i, e, io, err, &other );
    CPPUNIT_ASSERT( err == ios_base::goodbit );
    CPPUNIT_ASSERT( other.tm_mon == xmas.tm_mon );

    ++i; ++i; ++i; ++i; // skip day of month and spaces around it
    i = tmg.get_year( i, e, io, err, &other );

    CPPUNIT_ASSERT( err == ios_base::eofbit );
    CPPUNIT_ASSERT( other.tm_year == xmas.tm_year );

    wostringstream ostrX;
    ostrX.imbue(loc);
    format = L"%x %X";

    ret = tmp.put(ostrX, ostrX, ' ', &xmas, format.data(), format.data() + format.size());
    CPPUNIT_ASSERT( !ret.failed() );

    wistringstream istrX( ostrX.str() );
    istreambuf_iterator<wchar_t, char_traits<wchar_t> > j( istrX );

    err = ios_base::goodbit;

    struct tm yet_more = { 15, 20, 9, 14, 7, 105 };

    j = tmg.get_date( j, e, io, err, &yet_more );

    CPPUNIT_ASSERT( err == ios_base::goodbit );

    CPPUNIT_ASSERT( yet_more.tm_sec != xmas.tm_sec );
    CPPUNIT_ASSERT( yet_more.tm_min != xmas.tm_min );
    CPPUNIT_ASSERT( yet_more.tm_hour != xmas.tm_hour );
    CPPUNIT_ASSERT( yet_more.tm_mday == xmas.tm_mday );
    CPPUNIT_ASSERT( yet_more.tm_mon == xmas.tm_mon );
    CPPUNIT_ASSERT( yet_more.tm_year == xmas.tm_year );

    ++j; // skip space

    j = tmg.get_time( j, e, io, err, &yet_more );

    CPPUNIT_ASSERT( err == ios_base::eofbit || err == ios_base::goodbit );

    CPPUNIT_ASSERT( yet_more.tm_sec == xmas.tm_sec );
    CPPUNIT_ASSERT( yet_more.tm_min == xmas.tm_min );
    CPPUNIT_ASSERT( yet_more.tm_hour == xmas.tm_hour );
    CPPUNIT_ASSERT( yet_more.tm_mday == xmas.tm_mday );
    CPPUNIT_ASSERT( yet_more.tm_mon == xmas.tm_mon );
    CPPUNIT_ASSERT( yet_more.tm_year == xmas.tm_year );
  }
#  endif
}

typedef void (LocaleTest::*_Test) (const locale&);
static void test_supported_locale(LocaleTest& inst, _Test __test) {
  size_t n = sizeof(tested_locales) / sizeof(tested_locales[0]);
  for (size_t i = 0; i < n; ++i) {
    locale loc;
#  if !defined (STLPORT) || defined (_STLP_USE_EXCEPTIONS)
    try
#  endif
    {
      locale tmp(tested_locales[i]);
      loc = tmp;
    }
#  if !defined (STLPORT) || defined (_STLP_USE_EXCEPTIONS)
    catch (runtime_error const&) {
      //This locale is not supported.
      continue;
    }
#  endif
    CPPUNIT_MESSAGE( loc.name().c_str() );
    (inst.*__test)(loc);

    {
      locale tmp(locale::classic(), tested_locales[i], locale::time);
      loc = tmp;
    }
    (inst.*__test)(loc);

    {
      typedef time_put_byname<char, ostreambuf_iterator<char, char_traits<char> > > time_put_facet;
      locale tmp0(locale::classic(), new time_put_facet(tested_locales[i]));
      typedef time_get_byname<char, istreambuf_iterator<char, char_traits<char> > > time_get_facet;
      locale tmp1(tmp0, new time_get_facet(tested_locales[i]));
      loc = tmp1;
    }
    (inst.*__test)(loc);
  }
}

void LocaleTest::time_put_get()
{ test_supported_locale(*this, &LocaleTest::_time_put_get); }

void LocaleTest::time_by_name()
{
#  if !defined (STLPORT) || defined (_STLP_USE_EXCEPTIONS)
  /*
   * Check of the 22.1.1.2.7 standard point. Construction of a locale
   * instance from a null pointer or an unknown name should result in
   * a runtime_error exception.
   */
#    if defined (STLPORT) || !defined (_MSC_VER) || (_MSC_VER > 1400)
  try {
    locale loc(locale::classic(), new time_put_byname<char, ostreambuf_iterator<char, char_traits<char> > >(static_cast<char const*>(0)));
    CPPUNIT_FAIL;
  }
  catch (runtime_error const&) {
  }
  catch (...) {
    CPPUNIT_FAIL;
  }
#    endif

  try {
    locale loc(locale::classic(), new time_put_byname<char, ostreambuf_iterator<char, char_traits<char> > >("yasli_language"));
    CPPUNIT_FAIL;
  }
  catch (runtime_error const&) {
  }
  catch (...) {
    CPPUNIT_FAIL;
  }

  try {
    string veryLongFacetName("LC_TIME=");
    veryLongFacetName.append(512, '?');
    locale loc(locale::classic(), new time_put_byname<char, ostreambuf_iterator<char, char_traits<char> > >(veryLongFacetName.c_str()));
    CPPUNIT_FAIL;
  }
  catch (runtime_error const& /* e */) {
    //CPPUNIT_MESSAGE( e.what() );
  }
  catch (...) {
    CPPUNIT_FAIL;
  }

  try {
    locale loc(locale::classic(), new time_get_byname<char, istreambuf_iterator<char, char_traits<char> > >(static_cast<char const*>(0)));
    CPPUNIT_FAIL;
  }
  catch (runtime_error const&) {
  }
  catch (...) {
    CPPUNIT_FAIL;
  }

  try {
    locale loc(locale::classic(), new time_get_byname<char, istreambuf_iterator<char, char_traits<char> > >("yasli_language"));
    CPPUNIT_FAIL;
  }
  catch (runtime_error const&) {
  }
  catch (...) {
    CPPUNIT_FAIL;
  }

  try {
    string veryLongFacetName("LC_TIME=");
    veryLongFacetName.append(512, '?');
    locale loc(locale::classic(), new time_get_byname<char, istreambuf_iterator<char, char_traits<char> > >(veryLongFacetName.c_str()));
    CPPUNIT_FAIL;
  }
  catch (runtime_error const& /* e */) {
    //CPPUNIT_MESSAGE( e.what() );
  }
  catch (...) {
    CPPUNIT_FAIL;
  }

  try {
    locale loc(locale::classic(), "C", locale::time);
  }
  catch (runtime_error const& /* e */) {
    /* CPPUNIT_MESSAGE( e.what() ); */
    CPPUNIT_FAIL;
  }
  catch (...) {
    CPPUNIT_FAIL;
  }

  try {
    // On platform without real localization support we should rely on the "C" facet.
    locale loc(locale::classic(), "", locale::time);
  }
  catch (runtime_error const& /* e */) {
    /* CPPUNIT_MESSAGE( e.what() ); */
    CPPUNIT_FAIL;
  }
  catch (...) {
    CPPUNIT_FAIL;
  }

  try {
    locale loc(locale::classic(), new time_get_byname<char, istreambuf_iterator<char, char_traits<char> > >("C"));
  }
  catch (runtime_error const& /* e */) {
    /* CPPUNIT_MESSAGE( e.what() ); */
    CPPUNIT_FAIL;
  }
  catch (...) {
    CPPUNIT_FAIL;
  }

  try {
    // On platform without real localization support we should rely on the "C" locale facet.
    locale loc(locale::classic(), new time_get_byname<char, istreambuf_iterator<char, char_traits<char> > >(""));
  }
  catch (runtime_error const& /* e */) {
    /* CPPUNIT_MESSAGE( e.what() ); */
    CPPUNIT_FAIL;
  }
  catch (...) {
    CPPUNIT_FAIL;
  }

#    if !defined (STLPORT) || !defined (_STLP_NO_WCHAR_T)
  try {
    locale loc(locale::classic(), new time_put_byname<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >(static_cast<char const*>(0)));
    CPPUNIT_FAIL;
  }
  catch (runtime_error const&) {
  }
  catch (...) {
    CPPUNIT_FAIL;
    }

  try {
    locale loc(locale::classic(), new time_put_byname<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >("yasli_language"));
    CPPUNIT_FAIL;
  }
  catch (runtime_error const&) {
  }
  catch (...) {
    CPPUNIT_FAIL;
  }

  try {
    locale loc(locale::classic(), new time_get_byname<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >(static_cast<char const*>(0)));
    CPPUNIT_FAIL;
  }
  catch (runtime_error const&) {
  }
  catch (...) {
    CPPUNIT_FAIL;
  }

  try {
    locale loc(locale::classic(), new time_get_byname<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >("yasli_language"));
    CPPUNIT_FAIL;
  }
  catch (runtime_error const&) {
  }
  catch (...) {
    CPPUNIT_FAIL;
  }

#    endif
#  endif
}

#endif