]>
git.proxmox.com Git - mirror_qemu.git/blob - tests/test-bitops.c
4 * This work is licensed under the terms of the GNU LGPL, version 2 or later.
5 * See the COPYING.LIB file in the top-level directory.
9 #include "qemu/osdep.h"
10 #include "qemu/bitops.h"
26 static const S32Test test_s32_data
[] = {
27 { 0x38463983, 4, 4, -8 },
28 { 0x38463983, 12, 8, 0x63 },
29 { 0x38463983, 0, 32, 0x38463983 },
32 static const S64Test test_s64_data
[] = {
33 { 0x8459826734967223ULL
, 60, 4, -8 },
34 { 0x8459826734967223ULL
, 0, 64, 0x8459826734967223LL
},
37 static void test_sextract32(void)
41 for (i
= 0; i
< ARRAY_SIZE(test_s32_data
); i
++) {
42 const S32Test
*test
= &test_s32_data
[i
];
43 int32_t r
= sextract32(test
->value
, test
->start
, test
->length
);
45 g_assert_cmpint(r
, ==, test
->result
);
49 static void test_sextract64(void)
53 for (i
= 0; i
< ARRAY_SIZE(test_s32_data
); i
++) {
54 const S32Test
*test
= &test_s32_data
[i
];
55 int64_t r
= sextract64(test
->value
, test
->start
, test
->length
);
57 g_assert_cmpint(r
, ==, test
->result
);
60 for (i
= 0; i
< ARRAY_SIZE(test_s64_data
); i
++) {
61 const S64Test
*test
= &test_s64_data
[i
];
62 int64_t r
= sextract64(test
->value
, test
->start
, test
->length
);
64 g_assert_cmpint(r
, ==, test
->result
);
68 int main(int argc
, char **argv
)
70 g_test_init(&argc
, &argv
, NULL
);
71 g_test_add_func("/bitops/sextract32", test_sextract32
);
72 g_test_add_func("/bitops/sextract64", test_sextract64
);