stdlib/tst-strfrom.c

   1 /* Tests for strfromf, strfromd, strfroml functions.
   2    Copyright (C) 2016-2017 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    <http://www.gnu.org/licenses/>.  */
  18
  19 #include "tst-strfrom.h"
  20
  21 static const struct test tests[] = {
  22   TEST ("12.345000", "%f", 50, 9, 12.345),
  23   TEST ("9.999", "%.3f", 50, 5, 9.999),
  24   TEST ("0.125000", "%f", 50, 8, .125),
  25   TEST ("0.000000", "%f", 50, 8, .0),
  26   TEST ("0", "%g", 50, 1, .0),
  27   TEST ("9.900000", "%f", 50, 8, 9.9),
  28   TEST ("9.1", "%.5f", 4, 7, 9.123456),
  29   TEST ("9.91235", "%g", 50, 7, 9.91234567812345678),
  30   TEST ("79.8765", "%G", 50, 7, 79.8765432111),
  31   TEST ("79.9", "%.3g", 50, 4, 79.8765432111),
  32   TEST ("1.000000e+38", "%e", 50, 12, 1e+38),
  33   TEST ("1.000000e+38", "%e", 50, 12, 1e38),
  34   TEST ("-1.000000e-37", "%e", 50, 13, -1e-37),
  35   TEST ("1.000000e-37", "%e", 50, 12, 0.00000001e-29),
  36   TEST ("1.000000e-37", "%e", 50, 12, 1.000000e-37),
  37   TEST ("5.900000e-16", "%e", 50, 12, 5.9e-16),
  38   TEST ("1.234500e+20", "%e", 50, 12, 12.345e19),
  39   TEST ("1.000000e+05", "%e", 50, 12, 1e5),
  40   TEST ("-NAN", "%G", 50, 4, -NAN_),
  41   TEST ("-inf", "%g", 50, 4, -INF),
  42   TEST ("inf", "%g", 50, 3, INF)
  43 };
  44 /* Tests with buffer size small.  */
  45 static const struct test stest[] = {
  46   TEST ("1234", "%g", 5, 7, 12345.345),
  47   TEST ("0.12", "%f", 5, 8, .125),
  48   TEST ("9.99", "%.3f", 5, 5, 9.999),
  49   TEST ("100", "%g", 5, 3, 1e2)
  50 };
  51 /* Hexadecimal tests.  */
  52 static const struct htests htest[] = {
  53   HTEST ("%a", { "0x1.ffp+6", "0x3.fep+5", "0x7.fcp+4", "0xf.f8p+3" },
  54         0x1.ffp+6),
  55   HTEST ("%a", { "0x1.88p+4", "0x3.1p+3", "0x6.2p+2", "0xc.4p+1" },
  56         0x1.88p+4),
  57   HTEST ("%A", { "-0X1.88P+5", "-0X3.1P+4", "-0X6.2P+3", "-0XC.4P+2" },
  58         -0x1.88p+5),
  59   HTEST ("%a", { "0x1.44p+10", "0x2.88p+9", "0x5.1p+8", "0xa.2p+7" },
  60         0x1.44p+10),
  61   HTEST ("%a", { "0x1p-10", "0x2p-11", "0x4p-12", "0x8p-13" },
  62         0x0.0040p+0),
  63   HTEST ("%a", { "0x1.4p+3", "0x2.8p+2", "0x5p+1", "0xap+0" },
  64         10.0)
  65 };
  66
  67 GEN_TEST_STRTOD_FOREACH (TEST_STRFROM)
  68
  69 static int
  70 test_locale (const char *locale)
  71 {
  72   printf ("Testing in locale: %s\n", locale);
  73   if (setlocale (LC_ALL, locale) == NULL)
  74     {
  75       printf ("Cannot set locale %s\n", locale);
  76     }
  77   return STRTOD_TEST_FOREACH (test_);
  78 }
  79
  80 static int
  81 do_test (void)
  82 {
  83   int result = 0;
  84   result += test_locale ("C");
  85   result += test_locale ("en_US.ISO-8859-1");
  86   result += test_locale ("en_US.UTF-8");
  87   return result;
  88 }
  89
  90 #define TEST_FUNCTION do_test ()
  91 #include "../test-skeleton.c"