about summary refs log tree commit diff
path: root/stdlib/tst-strtod5i.c
blob: ee54e3404c6e56c1df03ef38a4e3157339a18ed9 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
/* Tests of __strtod_internal in a locale using decimal comma.
   Copyright (C) 2007-2024 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>

#define NNBSP "\xe2\x80\xaf"

static const struct
{
  const char *in;
  int group;
  double expected;
} tests[] =
  {
    { "0", 0, 0.0 },
    { "000", 0, 0.0 },
    { "-0", 0, -0.0 },
    { "-000", 0, -0.0 },
    { "0,", 0, 0.0 },
    { "-0,", 0, -0.0 },
    { "0,0", 0, 0.0 },
    { "-0,0", 0, -0.0 },
    { "0e-10", 0, 0.0 },
    { "-0e-10", 0, -0.0 },
    { "0,e-10", 0, 0.0 },
    { "-0,e-10", 0, -0.0 },
    { "0,0e-10", 0, 0.0 },
    { "-0,0e-10", 0, -0.0 },
    { "0e-1000000", 0, 0.0 },
    { "-0e-1000000", 0, -0.0 },
    { "0,0e-1000000", 0, 0.0 },
    { "-0,0e-1000000", 0, -0.0 },
    { "0", 1, 0.0 },
    { "000", 1, 0.0 },
    { "-0", 1, -0.0 },
    { "-000", 1, -0.0 },
    { "0e-10", 1, 0.0 },
    { "-0e-10", 1, -0.0 },
    { "0e-1000000", 1, 0.0 },
    { "-0e-1000000", 1, -0.0 },
    { "000"NNBSP"000"NNBSP"000", 1, 0.0 },
    { "-000"NNBSP"000"NNBSP"000", 1, -0.0 }
  };
#define NTESTS (sizeof (tests) / sizeof (tests[0]))


static int
do_test (void)
{
  if (setlocale (LC_ALL, "cs_CZ.UTF-8") == NULL)
    {
      puts ("could not set locale");
      return 1;
    }

  int status = 0;

  for (int i = 0; i < NTESTS; ++i)
    {
      char *ep;
      double r = __strtod_internal (tests[i].in, &ep, tests[i].group);

      if (*ep != '\0')
	{
	  printf ("%d: got rest string \"%s\", expected \"\"\n", i, ep);
	  status = 1;
	}

      if (r != tests[i].expected
	  || copysign (10.0, r) != copysign (10.0, tests[i].expected))
	{
	  printf ("%d: got wrong results %g, expected %g\n",
		  i, r, tests[i].expected);
	  status = 1;
	}
    }

  return status;
}

#include <support/test-driver.c>