mirror of
https://github.com/octoleo/restic.git
synced 2024-11-23 21:27:34 +00:00
39 lines
791 B
Go
39 lines
791 B
Go
package fs
|
|
|
|
import (
|
|
"os"
|
|
"path"
|
|
"strconv"
|
|
"syscall"
|
|
"testing"
|
|
|
|
"github.com/restic/restic/internal/test"
|
|
)
|
|
|
|
func TestPreallocate(t *testing.T) {
|
|
for _, i := range []int64{0, 1, 4096, 1024 * 1024} {
|
|
t.Run(strconv.FormatInt(i, 10), func(t *testing.T) {
|
|
dirpath := test.TempDir(t)
|
|
|
|
flags := os.O_CREATE | os.O_TRUNC | os.O_WRONLY
|
|
wr, err := os.OpenFile(path.Join(dirpath, "test"), flags, 0600)
|
|
test.OK(t, err)
|
|
defer func() {
|
|
test.OK(t, wr.Close())
|
|
}()
|
|
|
|
err = PreallocateFile(wr, i)
|
|
if err == syscall.ENOTSUP {
|
|
t.SkipNow()
|
|
}
|
|
test.OK(t, err)
|
|
|
|
fi, err := wr.Stat()
|
|
test.OK(t, err)
|
|
|
|
efi := ExtendedStat(fi)
|
|
test.Assert(t, efi.Size == i || efi.Blocks > 0, "Preallocated size of %v, got size %v block %v", i, efi.Size, efi.Blocks)
|
|
})
|
|
}
|
|
}
|