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ANDROID: selftests: incfs: Add stacked_mount_test

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Bug: 211066171

Signed-off-by: Tadeusz Struk <tadeusz.struk@linaro.org>
Change-Id: Ie09d6c1b04e0da7787d371c1cec5c04783b576a7
This commit is contained in:
Tadeusz Struk 2022-03-10 15:40:05 -08:00
parent 6c0d3d986c
commit 2980d2fa16
1 changed files with 24 additions and 0 deletions
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24
tools/testing/selftests/filesystems/incfs/incfs_test.c
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@ -4631,6 +4631,29 @@ out:
return result;
}
static int stacked_mount_test(const char *mount_dir)
{
int result = TEST_FAILURE;
char *backing_dir = NULL;
/* Mount with no node */
TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
TESTEQUAL(mount_fs(mount_dir, backing_dir, 0), 0);
/* Try mounting another instance with same name */
TESTEQUAL(mount_fs(mount_dir, backing_dir, 0), 0);
/* Try unmounting the first instance */
TESTEQUAL(umount_fs(mount_dir), 0);
/* Try unmounting the second instance */
TESTEQUAL(umount_fs(mount_dir), 0);
result = TEST_SUCCESS;
out:
/* Cleanup */
rmdir(mount_dir);
rmdir(backing_dir);
free(backing_dir);
return result;
}
static char *setup_mount_dir()
{
struct stat st;
@ -4758,6 +4781,7 @@ int main(int argc, char *argv[])
MAKE_TEST(stat_test),
MAKE_TEST(sysfs_test),
MAKE_TEST(sysfs_rename_test),
MAKE_TEST(stacked_mount_test),
};
#undef MAKE_TEST