scc

 1#include <assert.h>
 2#include <locale.h>
 3#include <stdio.h>
 4#include <string.h>
 5
 6/*
 7output:
 8testing
 9done
10end:
11*/
12
13static int neg, pos;
14
15static int
16setup(void)
17{
18	neg = LC_ALL;
19	if (neg > LC_COLLATE)
20		neg = LC_COLLATE;
21	if (neg > LC_CTYPE)
22		neg = LC_CTYPE;
23	if (neg > LC_MONETARY)
24		neg = LC_MONETARY;
25	if (neg > LC_NUMERIC)
26		neg = LC_NUMERIC;
27	if (neg > LC_TIME)
28		neg = LC_TIME;
29	--neg;
30
31	pos = LC_ALL;
32	if (pos < LC_COLLATE)
33		pos = LC_COLLATE;
34	if (pos < LC_CTYPE)
35		pos = LC_CTYPE;
36	if (pos < LC_MONETARY)
37		pos = LC_MONETARY;
38	if (pos < LC_NUMERIC)
39		pos = LC_NUMERIC;
40	if (pos < LC_TIME)
41		pos = LC_TIME;
42	++pos;
43
44	return 0;
45}
46
47static void
48run(void)
49{
50	char *l1, *l2;
51
52	l1 = setlocale(LC_ALL, NULL);
53	assert(strcmp(l1, "C") == 0);
54
55	l1 = setlocale(pos, "C");
56	l2 = setlocale(neg, "C");
57
58	assert(l1 == NULL);
59	assert(l2 == NULL);
60
61	setlocale(LC_ALL, "");
62}
63
64int
65main(void)
66{
67	puts("testing");
68	setup();
69	run();
70	puts("done");
71
72	return 0;
73}