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tests: add g_file_get_size() tests for files larger than 2GiB

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This commit is contained in:
Koichiro IWAO 2021-09-07 14:17:15 +09:00
parent c24b6d95dd
commit a57d8491c0
1 changed files with 62 additions and 2 deletions
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64
tests/common/test_os_calls.c
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@ -44,7 +44,7 @@ START_TEST(test_g_file_get_size__1GiB)
"dd if=/dev/zero of=%s bs=%u seek=%u count=1",
file,
block_size,
block_count -1);
block_count - 1);
system_rv = system(cmd);
size = g_file_get_size(file);
@ -73,7 +73,65 @@ START_TEST(test_g_file_get_size__just_less_than_2GiB)
"dd if=/dev/zero of=%s bs=%u seek=%u count=1",
file,
block_size,
block_count -1);
block_count - 1);
system_rv = system(cmd);
size = g_file_get_size(file);
g_file_delete(file);
ck_assert_int_eq(system_rv, 0);
ck_assert_int_eq(size, expected_size);
}
END_TEST
START_TEST(test_g_file_get_size__2GiB)
{
const char *file = "./file_2GiB.dat";
unsigned int block_size = 4096;
unsigned int block_count = 524288;
/* C90 5.2.4.2.1 guarantees long long is at least 64 bits */
const long long expected_size =
(long long)block_size * block_count;
long long size;
int system_rv;
char cmd[256];
/* Create a sparse file of the expected size with one block of data
* at the end */
g_snprintf(cmd, sizeof(cmd),
"dd if=/dev/zero of=%s bs=%u seek=%u count=1",
file,
block_size,
block_count - 1);
system_rv = system(cmd);
size = g_file_get_size(file);
g_file_delete(file);
ck_assert_int_eq(system_rv, 0);
ck_assert_int_eq(size, expected_size);
}
END_TEST
START_TEST(test_g_file_get_size__5GiB)
{
const char *file = "./file_5GiB.dat";
unsigned int block_size = 4096;
unsigned int block_count = 1310720;
/* C90 5.2.4.2.1 guarantees long long is at least 64 bits */
const long long expected_size =
(long long)block_size * block_count;
long long size;
int system_rv;
char cmd[256];
/* Create a sparse file of the expected size with one block of data
* at the end */
g_snprintf(cmd, sizeof(cmd),
"dd if=/dev/zero of=%s bs=%u seek=%u count=1",
file,
block_size,
block_count - 1);
system_rv = system(cmd);
size = g_file_get_size(file);
@ -97,6 +155,8 @@ make_suite_test_os_calls(void)
tcase_add_test(tc_os_calls, test_g_file_get_size__returns_file_size);
tcase_add_test(tc_os_calls, test_g_file_get_size__1GiB);
tcase_add_test(tc_os_calls, test_g_file_get_size__just_less_than_2GiB);
tcase_add_test(tc_os_calls, test_g_file_get_size__2GiB);
tcase_add_test(tc_os_calls, test_g_file_get_size__5GiB);
return s;
}