stdlib/tst-strtod6.c

   1 #include <math.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <string.h>
   5
   6 #include "tst-strtod.h"
   7
   8 #define TEST_STRTOD(FSUF, FTYPE, FTOSTR, LSUF, CSUF)      \
   9 static int                                                \
  10 test_strto ## FSUF (const char str[])                     \
  11 {                                                         \
  12   char *endp;                                             \
  13   int result = 0;                                         \
  14   puts (str);                                             \
  15   FTYPE d = strto ## FSUF (str, &endp);                   \
  16   if (!isnan (d))                                         \
  17     {                                                     \
  18       puts ("strto" #FSUF " did not return NAN");         \
  19       result = 1;                                         \
  20     }                                                     \
  21   if (issignaling (d))                                    \
  22     {                                                     \
  23       puts ("strto" #FSUF " returned a sNAN");            \
  24       result = 1;                                         \
  25     }                                                     \
  26   if (strcmp (endp, "something") != 0)                    \
  27     {                                                     \
  28       puts ("strto" #FSUF " set incorrect end pointer");  \
  29       result = 1;                                         \
  30     }                                                     \
  31   return result;                                          \
  32 }
  33
  34 GEN_TEST_STRTOD_FOREACH (TEST_STRTOD);
  35
  36 static int
  37 do_test (void)
  38 {
  39   int result = 0;
  40
  41   result |= STRTOD_TEST_FOREACH (test_strto, "NaN(blabla)something");
  42   result |= STRTOD_TEST_FOREACH (test_strto, "NaN(1234)something");
  43   /* UINT32_MAX.  */
  44   result |= STRTOD_TEST_FOREACH (test_strto, "NaN(4294967295)something");
  45   /* UINT64_MAX.  */
  46   result |= STRTOD_TEST_FOREACH (test_strto,
  47                                  "NaN(18446744073709551615)something");
  48   /* The case of zero is special in that "something" has to be done to make the
  49      mantissa different from zero, which would mean infinity instead of
  50      NaN.  */
  51   result |= STRTOD_TEST_FOREACH (test_strto, "NaN(0)something");
  52
  53   return result;
  54 }
  55
  56 #define TEST_FUNCTION do_test ()
  57 #include "../test-skeleton.c"