stdlib/tst-strtod5.c

   1 #include <locale.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <string.h>
   5 #include <math.h>
   6
   7 #define NBSP "\xc2\xa0"
   8
   9 static const struct
  10 {
  11   const char *in;
  12   int group;
  13   double expected;
  14 } tests[] =
  15   {
  16     { "0", 0, 0.0 },
  17     { "000", 0, 0.0 },
  18     { "-0", 0, -0.0 },
  19     { "-000", 0, -0.0 },
  20     { "0,", 0, 0.0 },
  21     { "-0,", 0, -0.0 },
  22     { "0,0", 0, 0.0 },
  23     { "-0,0", 0, -0.0 },
  24     { "0e-10", 0, 0.0 },
  25     { "-0e-10", 0, -0.0 },
  26     { "0,e-10", 0, 0.0 },
  27     { "-0,e-10", 0, -0.0 },
  28     { "0,0e-10", 0, 0.0 },
  29     { "-0,0e-10", 0, -0.0 },
  30     { "0e-1000000", 0, 0.0 },
  31     { "-0e-1000000", 0, -0.0 },
  32     { "0,0e-1000000", 0, 0.0 },
  33     { "-0,0e-1000000", 0, -0.0 },
  34     { "0", 1, 0.0 },
  35     { "000", 1, 0.0 },
  36     { "-0", 1, -0.0 },
  37     { "-000", 1, -0.0 },
  38     { "0e-10", 1, 0.0 },
  39     { "-0e-10", 1, -0.0 },
  40     { "0e-1000000", 1, 0.0 },
  41     { "-0e-1000000", 1, -0.0 },
  42     { "000"NBSP"000"NBSP"000", 1, 0.0 },
  43     { "-000"NBSP"000"NBSP"000", 1, -0.0 }
  44   };
  45 #define NTESTS (sizeof (tests) / sizeof (tests[0]))
  46
  47
  48 static int
  49 do_test (void)
  50 {
  51   if (setlocale (LC_ALL, "cs_CZ.UTF-8") == NULL)
  52     {
  53       puts ("could not set locale");
  54       return 1;
  55     }
  56
  57   int status = 0;
  58
  59   for (int i = 0; i < NTESTS; ++i)
  60     {
  61       char *ep;
  62       double r;
  63
  64       if (tests[i].group)
  65         r = __strtod_internal (tests[i].in, &ep, 1);
  66       else
  67         r = strtod (tests[i].in, &ep);
  68
  69       if (*ep != '\0')
  70         {
  71           printf ("%d: got rest string \"%s\", expected \"\"\n", i, ep);
  72           status = 1;
  73         }
  74
  75       if (r != tests[i].expected
  76           || copysign (10.0, r) != copysign (10.0, tests[i].expected))
  77         {
  78           printf ("%d: got wrong results %g, expected %g\n",
  79                   i, r, tests[i].expected);
  80           status = 1;
  81         }
  82     }
  83
  84   return status;
  85 }
  86
  87 #define TEST_FUNCTION do_test ()
  88 #include "../test-skeleton.c"