stdlib/tst-stdc_has_single_bit.c

   1 /* Test stdc_has_single_bit functions and macros.
   2    Copyright (C) 2024 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    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <tst-stdbit.h>
  20
  21 static const struct stdbit_test inputs[] =
  22   {
  23     { 0ULL, false, false, false, false },
  24     { 0x1ULL, true, true, true, true },
  25     { 0x2ULL, true, true, true, true },
  26     { 0x3ULL, false, false, false, false },
  27     { 0x4ULL, true, true, true, true },
  28     { 0x5ULL, false, false, false, false },
  29     { 0x6ULL, false, false, false, false },
  30     { 0x7ULL, false, false, false, false },
  31     { 0x8ULL, true, true, true, true },
  32     { 0x9ULL, false, false, false, false },
  33     { 0xaULL, false, false, false, false },
  34     { 0xbULL, false, false, false, false },
  35     { 0xcULL, false, false, false, false },
  36     { 0xdULL, false, false, false, false },
  37     { 0xeULL, false, false, false, false },
  38     { 0xfULL, false, false, false, false },
  39     { 0x10ULL, true, true, true, true },
  40     { 0x11ULL, false, false, false, false },
  41     { 0x12ULL, false, false, false, false },
  42     { 0x1fULL, false, false, false, false },
  43     { 0x20ULL, true, true, true, true },
  44     { 0x7fULL, false, false, false, false },
  45     { 0x80ULL, true, true, true, true },
  46     { 0x81ULL, false, false, false, false },
  47     { 0x9aULL, false, false, false, false },
  48     { 0xf3ULL, false, false, false, false },
  49     { 0xffULL, false, false, false, false },
  50     { 0x100ULL, false, true, true, true },
  51     { 0x101ULL, true, false, false, false },
  52     { 0x102ULL, true, false, false, false },
  53     { 0x1feULL, false, false, false, false },
  54     { 0x1ffULL, false, false, false, false },
  55     { 0x200ULL, false, true, true, true },
  56     { 0x234ULL, false, false, false, false },
  57     { 0x4567ULL, false, false, false, false },
  58     { 0x7fffULL, false, false, false, false },
  59     { 0x8000ULL, false, true, true, true },
  60     { 0x8001ULL, true, false, false, false },
  61     { 0xfffeULL, false, false, false, false },
  62     { 0xffffULL, false, false, false, false },
  63     { 0x10000ULL, false, false, true, true },
  64     { 0x10001ULL, true, true, false, false },
  65     { 0xfedcba98ULL, false, false, false, false },
  66     { 0xfffffefeULL, false, false, false, false },
  67     { 0xffffffffULL, false, false, false, false },
  68     { 0x100000000ULL, false, false, false, true },
  69     { 0x100000001ULL, true, true, true, false },
  70     { 0x123456789ULL, false, false, false, false },
  71     { 0x123456789abcdefULL, false, false, false, false },
  72     { 0x789abcdef0123456ULL, false, false, false, false },
  73     { 0x8000000000000000ULL, false, false, false, true },
  74     { 0x8000000000000001ULL, true, true, true, false },
  75     { 0xfffffffffffffffeULL, false, false, false, false },
  76     { 0xffffffffffffffffULL, false, false, false, false },
  77   };
  78
  79 TEST_STDBIT_BOOL_TOPLEVEL (stdc_has_single_bit);
  80
  81 static int
  82 do_test (void)
  83 {
  84   TEST_STDBIT_BOOL (stdc_has_single_bit, inputs);
  85   return 0;
  86 }
  87
  88 #include <support/test-driver.c>