tests/test-dprintf-posix.c

   1 /* Test of POSIX compatible dprintf() function.
   2    Copyright (C) 2007-2024 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation, either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 /* Written by Bruno Haible <bruno@clisp.org>, 2009.  */
  18
  19 #include <config.h>
  20
  21 #include <stdio.h>
  22
  23 #include "signature.h"
  24 SIGNATURE_CHECK (dprintf, int, (int, const char *, ...));
  25
  26 #include <stddef.h>
  27 #include <stdint.h>
  28 #include <string.h>
  29
  30 #include "infinity.h"
  31 #include "macros.h"
  32
  33 static void
  34 test_function (int (*my_dprintf) (int, const char *, ...))
  35 {
  36   /* Here we don't test output that may be platform dependent.
  37      The bulk of the tests is done as part of the 'vasnprintf-posix' module.  */
  38
  39   /* Test support of size specifiers as in C99.  */
  40
  41   my_dprintf (fileno (stdout), "%ju %d\n", (uintmax_t) 12345671, 33, 44, 55);
  42
  43   my_dprintf (fileno (stdout), "%zu %d\n", (size_t) 12345672, 33, 44, 55);
  44
  45   my_dprintf (fileno (stdout), "%tu %d\n", (ptrdiff_t) 12345673, 33, 44, 55);
  46
  47   /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
  48      output of floating-point numbers.  */
  49
  50   /* Positive zero.  */
  51   my_dprintf (fileno (stdout), "%a %d\n", 0.0, 33, 44, 55);
  52
  53   /* Positive infinity.  */
  54   my_dprintf (fileno (stdout), "%a %d\n", Infinityd (), 33, 44, 55);
  55
  56   /* Negative infinity.  */
  57   my_dprintf (fileno (stdout), "%a %d\n", - Infinityd (), 33, 44, 55);
  58
  59   /* FLAG_ZERO with infinite number.  */
  60   my_dprintf (fileno (stdout), "%010a %d\n", Infinityd (), 33, 44, 55);
  61
  62   /* Test the support of the %f format directive.  */
  63
  64   /* A positive number.  */
  65   my_dprintf (fileno (stdout), "%f %d\n", 12.75, 33, 44, 55);
  66
  67   /* A larger positive number.  */
  68   my_dprintf (fileno (stdout), "%f %d\n", 1234567.0, 33, 44, 55);
  69
  70   /* A negative number.  */
  71   my_dprintf (fileno (stdout), "%f %d\n", -0.03125, 33, 44, 55);
  72
  73   /* Positive zero.  */
  74   my_dprintf (fileno (stdout), "%f %d\n", 0.0, 33, 44, 55);
  75
  76   /* FLAG_ZERO.  */
  77   my_dprintf (fileno (stdout), "%015f %d\n", 1234.0, 33, 44, 55);
  78
  79   /* Precision.  */
  80   my_dprintf (fileno (stdout), "%.f %d\n", 1234.0, 33, 44, 55);
  81
  82   /* Precision with no rounding.  */
  83   my_dprintf (fileno (stdout), "%.2f %d\n", 999.95, 33, 44, 55);
  84
  85   /* Precision with rounding.  */
  86   my_dprintf (fileno (stdout), "%.2f %d\n", 999.996, 33, 44, 55);
  87
  88   /* A positive number.  */
  89   my_dprintf (fileno (stdout), "%Lf %d\n", 12.75L, 33, 44, 55);
  90
  91   /* A larger positive number.  */
  92   my_dprintf (fileno (stdout), "%Lf %d\n", 1234567.0L, 33, 44, 55);
  93
  94   /* A negative number.  */
  95   my_dprintf (fileno (stdout), "%Lf %d\n", -0.03125L, 33, 44, 55);
  96
  97   /* Positive zero.  */
  98   my_dprintf (fileno (stdout), "%Lf %d\n", 0.0L, 33, 44, 55);
  99
 100   /* FLAG_ZERO.  */
 101   my_dprintf (fileno (stdout), "%015Lf %d\n", 1234.0L, 33, 44, 55);
 102
 103   /* Precision.  */
 104   my_dprintf (fileno (stdout), "%.Lf %d\n", 1234.0L, 33, 44, 55);
 105
 106   /* Precision with no rounding.  */
 107   my_dprintf (fileno (stdout), "%.2Lf %d\n", 999.95L, 33, 44, 55);
 108
 109   /* Precision with rounding.  */
 110   my_dprintf (fileno (stdout), "%.2Lf %d\n", 999.996L, 33, 44, 55);
 111
 112   /* Test the support of the %F format directive.  */
 113
 114   /* A positive number.  */
 115   my_dprintf (fileno (stdout), "%F %d\n", 12.75, 33, 44, 55);
 116
 117   /* A larger positive number.  */
 118   my_dprintf (fileno (stdout), "%F %d\n", 1234567.0, 33, 44, 55);
 119
 120   /* A negative number.  */
 121   my_dprintf (fileno (stdout), "%F %d\n", -0.03125, 33, 44, 55);
 122
 123   /* Positive zero.  */
 124   my_dprintf (fileno (stdout), "%F %d\n", 0.0, 33, 44, 55);
 125
 126   /* FLAG_ZERO.  */
 127   my_dprintf (fileno (stdout), "%015F %d\n", 1234.0, 33, 44, 55);
 128
 129   /* Precision.  */
 130   my_dprintf (fileno (stdout), "%.F %d\n", 1234.0, 33, 44, 55);
 131
 132   /* Precision with no rounding.  */
 133   my_dprintf (fileno (stdout), "%.2F %d\n", 999.95, 33, 44, 55);
 134
 135   /* Precision with rounding.  */
 136   my_dprintf (fileno (stdout), "%.2F %d\n", 999.996, 33, 44, 55);
 137
 138   /* A positive number.  */
 139   my_dprintf (fileno (stdout), "%LF %d\n", 12.75L, 33, 44, 55);
 140
 141   /* A larger positive number.  */
 142   my_dprintf (fileno (stdout), "%LF %d\n", 1234567.0L, 33, 44, 55);
 143
 144   /* A negative number.  */
 145   my_dprintf (fileno (stdout), "%LF %d\n", -0.03125L, 33, 44, 55);
 146
 147   /* Positive zero.  */
 148   my_dprintf (fileno (stdout), "%LF %d\n", 0.0L, 33, 44, 55);
 149
 150   /* FLAG_ZERO.  */
 151   my_dprintf (fileno (stdout), "%015LF %d\n", 1234.0L, 33, 44, 55);
 152
 153   /* Precision.  */
 154   my_dprintf (fileno (stdout), "%.LF %d\n", 1234.0L, 33, 44, 55);
 155
 156   /* Precision with no rounding.  */
 157   my_dprintf (fileno (stdout), "%.2LF %d\n", 999.95L, 33, 44, 55);
 158
 159   /* Precision with rounding.  */
 160   my_dprintf (fileno (stdout), "%.2LF %d\n", 999.996L, 33, 44, 55);
 161
 162   /* Test the support of the POSIX/XSI format strings with positions.  */
 163
 164   my_dprintf (fileno (stdout), "%2$d %1$d\n", 33, 55);
 165 }
 166
 167 int
 168 main (int argc, char *argv[])
 169 {
 170   test_function (dprintf);
 171   return test_exit_status;
 172 }