1  /* Test for the long double variants of strfmon* functions.
       2     Copyright (C) 2019-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <locale/locale.h>
      20  #include <monetary.h>
      21  
      22  #include <support/check.h>
      23  
      24  static int
      25  do_test (void)
      26  {
      27    size_t written;
      28    char buffer[64];
      29    char *bufptr = buffer;
      30    locale_t loc;
      31  
      32    /* Using the C locale is enough for the purpose of this test case,
      33       i.e.: to test that strfmon correctly reads long double values with
      34       binary128 format.  Grouping and currency are irrelevant, here.  */
      35    setlocale (LC_MONETARY, "C");
      36    loc = newlocale (LC_MONETARY_MASK, "C", (locale_t) 0);
      37  
      38    /* Write to the buffer.  */
      39    written = strfmon (bufptr, 32, "%.10i, %.10Li\n",
      40                       (double) -2, (long double) -1);
      41    if (written < 0)
      42      support_record_failure ();
      43    else
      44      bufptr += written;
      45    written = strfmon_l (bufptr, 32, loc, "%.10i, %.10Li\n",
      46                         (double) -2, (long double) -1);
      47    if (written < 0)
      48      support_record_failure ();
      49  
      50    /* Compare against the expected output.  */
      51    const char *expected =
      52      "-2.0000000000, -1.0000000000\n"
      53      "-2.0000000000, -1.0000000000\n";
      54    TEST_COMPARE_STRING (expected, buffer);
      55  
      56    return 0;
      57  }
      58  
      59  #include <support/test-driver.c>