stdio-common/tst-fphex.c

   1 /* Test program for %a printf formats.  */
   2
   3 #include <array_length.h>
   4 #include <stdio.h>
   5 #include <string.h>
   6
   7 #ifndef WIDE
   8 # define STR_LEN strlen
   9 # define STR_CMP strcmp
  10 # define SPRINT snprintf
  11 # define CHAR_T char
  12 # define PRINT printf
  13 # define L_(Str) Str
  14 # define S "%s"
  15 #else
  16 # define STR_LEN wcslen
  17 # define SPRINT swprintf
  18 # define STR_CMP wcscmp
  19 # define CHAR_T wchar_t
  20 # define PRINT wprintf
  21 # define L_(Str) L##Str
  22 # define S "%ls"
  23 #endif
  24
  25 struct testcase
  26 {
  27   double value;
  28   const CHAR_T *fmt;
  29   const CHAR_T *expect;
  30 };
  31
  32 static const struct testcase testcases[] =
  33   {
  34     { 0x0.0030p+0, L_("%a"),            L_("0x1.8p-11") },
  35     { 0x0.0040p+0, L_("%a"),            L_("0x1p-10") },
  36     { 0x0.0030p+0, L_("%040a"),         L_("0x00000000000000000000000000000001.8p-11") },
  37     { 0x0.0040p+0, L_("%040a"),         L_("0x0000000000000000000000000000000001p-10") },
  38     { 0x0.0040p+0, L_("%40a"),          L_("                                 0x1p-10") },
  39     { 0x0.0040p+0, L_("%#40a"),         L_("                                0x1.p-10") },
  40     { 0x0.0040p+0, L_("%-40a"),         L_("0x1p-10                                 ") },
  41     { 0x0.0040p+0, L_("%#-40a"),        L_("0x1.p-10                                ") },
  42     { 0x0.0030p+0, L_("%040e"),         L_("00000000000000000000000000007.324219e-04") },
  43     { 0x0.0040p+0, L_("%040e"),         L_("00000000000000000000000000009.765625e-04") },
  44   };
  45
  46
  47 static int
  48 do_test (void)
  49 {
  50   const struct testcase *t;
  51   int result = 0;
  52
  53   for (t = testcases; t < array_end (testcases); ++t)
  54     {
  55       CHAR_T buf[1024];
  56       int n = SPRINT (buf, array_length (buf), t->fmt, t->value);
  57       if (n != STR_LEN (t->expect) || STR_CMP (buf, t->expect) != 0)
  58         {
  59           PRINT (L_("" S "\tExpected \"" S "\" (%Zu)\n\tGot      \""
  60                     S "\" (%d, %Zu)\n"),
  61                  t->fmt, t->expect, STR_LEN (t->expect),
  62                  buf, n, STR_LEN (buf));
  63           result = 1;
  64         }
  65     }
  66
  67   return result;
  68 }
  69
  70 #define TEST_FUNCTION do_test ()
  71 #include "../test-skeleton.c"