stdio-common/tst-fphex.c

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