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
|
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/test.h>
#include <grub/dl.h>
#include <grub/setjmp.h>
GRUB_MOD_LICENSE ("GPLv3+");
static grub_jmp_buf jmp_point;
static int expected, ctr;
/* This fixes GCC7 "unintentional fallthrough" warning */
static void jmp0 (void) __attribute__ ((noreturn));
static void jmp1 (void) __attribute__ ((noreturn));
static void jmp2 (void) __attribute__ ((noreturn));
static void
jmp0 (void)
{
grub_longjmp (jmp_point, 0);
}
static void
jmp1 (void)
{
grub_longjmp (jmp_point, 1);
}
static void
jmp2 (void)
{
grub_longjmp (jmp_point, 2);
}
static void
setjmp_test (void)
{
int val;
expected = 0;
ctr = 0;
val = grub_setjmp (jmp_point);
grub_test_assert (val == expected, "setjmp returned %d instead of %d",
val, expected);
switch (ctr++)
{
case 0:
expected = 1;
jmp0 ();
case 1:
expected = 1;
jmp1 ();
case 2:
expected = 2;
jmp2 ();
case 3:
return;
}
grub_test_assert (0, "setjmp didn't return enough times");
}
/* Register example_test method as a functional test. */
GRUB_FUNCTIONAL_TEST (setjmp_test, setjmp_test);
|
