about summary refs log tree commit diff
path: root/time/tst-strftime2.c
blob: 3fcb6ebb19c8b397ea45d7310dd88da9f47d9a60 (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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
/* Verify the behavior of strftime on alternative representation for
   year.

   Copyright (C) 2019-2023 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 <array_length.h>
#include <stdbool.h>
#include <support/check.h>
#include <stdlib.h>
#include <locale.h>
#include <time.h>
#include <stdio.h>
#include <string.h>

static const char *locales[] =
{
  "ja_JP.UTF-8", "lo_LA.UTF-8", "th_TH.UTF-8",
  "zh_TW.UTF-8", "cmn_TW.UTF-8", "hak_TW.UTF-8",
  "nan_TW.UTF-8", "lzh_TW.UTF-8"
};

/* Must match locale index into locales array.  */
enum
{
  ja_JP, lo_LA, th_TH,
  zh_TW, cmn_TW, hak_TW, nan_TW, lzh_TW
};

static const char *formats[] = { "%EY", "%_EY", "%-EY" };

typedef struct
{
  const int d, m, y;
} date_t;

static const date_t dates[] =
{
  {  1,  4, 1910 },
  { 31, 12, 1911 },
  {  1,  1, 1912 },
  {  1,  4, 1913 },
  {  1,  4, 1988 },
  {  7,  1, 1989 },
  {  8,  1, 1989 },
  {  1,  4, 1990 },
  {  1,  4, 1997 },
  {  1,  4, 1998 },
  {  1,  4, 2010 },
  {  1,  4, 2011 },
  { 30,  4, 2019 },
  {  1,  5, 2019 }
};

static char ref[array_length (locales)][array_length (formats)]
	       [array_length (dates)][100];

static bool
is_before (const int i, const int d, const int m, const int y)
{
  if (dates[i].y < y)
    return true;
  else if (dates[i].y > y)
    return false;
  else if (dates[i].m < m)
    return true;
  else if (dates[i].m > m)
    return false;
  else
    return dates[i].d < d;
}

static void
mkreftable (void)
{
  int i, j, k, yr;
  const char *era, *sfx;
  /* Japanese era year to be checked.  */
  static const int yrj[] =
  {
    43, 44, 45, 2,
    63, 64, 1, 2, 9, 10, 22, 23, 31, 1
  };
  /* Buddhist calendar year to be checked.  */
  static const int yrb[] =
  {
    2453, 2454, 2455, 2456,
    2531, 2532, 2532, 2533, 2540, 2541, 2553, 2554, 2562, 2562
  };
  /* R.O.C. calendar year to be checked.  Negative number is prior to
     Minguo counting up.  */
  static const int yrc[] =
  {
    -2, -1, 1, 2,
    77, 78, 78, 79, 86, 87, 99, 100, 108, 108
  };

  for (i = 0; i < array_length (locales); i++)
    for (j = 0; j < array_length (formats); j++)
      for (k = 0; k < array_length (dates); k++)
	{
	  if (i == ja_JP)
	    {
	      era = (is_before (k, 30,  7, 1912)) ? "\u660e\u6cbb"
		  : (is_before (k, 25, 12, 1926)) ? "\u5927\u6b63"
		  : (is_before (k,  8,  1, 1989)) ? "\u662d\u548c"
		  : (is_before (k,  1,  5, 2019)) ? "\u5e73\u6210"
						  : "\u4ee4\u548c";
	      yr = yrj[k], sfx = "\u5e74";
	    }
	  else if (i == lo_LA)
	    era = "\u0e9e.\u0eaa. ", yr = yrb[k], sfx = "";
	  else if (i == th_TH)
	    era = "\u0e1e.\u0e28. ", yr = yrb[k], sfx = "";
	  else if (i == zh_TW || i == cmn_TW || i == hak_TW
		   || i == nan_TW || i == lzh_TW)
	    {
	      era = (is_before (k, 1, 1, 1912)) ? "\u6c11\u524d"
						: "\u6c11\u570b";
	      yr = yrc[k], sfx = "\u5e74";
	    }
	  else
	    FAIL_EXIT1 ("Invalid table index!");
	  if (yr == 1)
	    sprintf (ref[i][j][k], "%s\u5143%s", era, sfx);
	  else if (j == 0)
	    sprintf (ref[i][j][k], "%s%02d%s", era, abs (yr), sfx);
	  else if (j == 1)
	    sprintf (ref[i][j][k], "%s%2d%s", era, abs (yr), sfx);
	  else if (j == 2)
	    sprintf (ref[i][j][k], "%s%d%s", era, abs (yr), sfx);
	  else
	    FAIL_EXIT1 ("Invalid table index!");
	}
}

static int
do_test (void)
{
  int i, j, k, result = 0;
  struct tm ttm;
  char date[11], buf[100];
  size_t r, e;

  mkreftable ();
  for (i = 0; i < array_length (locales); i++)
    {
      if (setlocale (LC_ALL, locales[i]) == NULL)
	{
	  printf ("locale %s does not exist, skipping...\n", locales[i]);
	  continue;
	}
      printf ("[%s]\n", locales[i]);
      for (j = 0; j < array_length (formats); j++)
	{
	  for (k = 0; k < array_length (dates); k++)
	    {
	      ttm.tm_mday = dates[k].d;
	      ttm.tm_mon  = dates[k].m - 1;
	      ttm.tm_year = dates[k].y - 1900;
	      strftime (date, sizeof (date), "%F", &ttm);
	      r = strftime (buf, sizeof (buf), formats[j], &ttm);
	      e = strlen (ref[i][j][k]);
	      printf ("%s\t\"%s\"\t\"%s\"", date, formats[j], buf);
	      if (strcmp (buf, ref[i][j][k]) != 0)
		{
		  printf ("\tshould be \"%s\"", ref[i][j][k]);
		  if (r != e)
		    printf ("\tgot: %zu, expected: %zu", r, e);
		  result = 1;
		}
	      else
		printf ("\tOK");
	      putchar ('\n');
	    }
	  putchar ('\n');
	}
    }
  return result;
}

#include <support/test-driver.c>