forked from TrueCloudLab/restic
35 lines
773 B
Go
35 lines
773 B
Go
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package restorer
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import (
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"os"
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"path"
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"strconv"
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"testing"
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"github.com/restic/restic/internal/fs"
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"github.com/restic/restic/internal/test"
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)
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func TestPreallocate(t *testing.T) {
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for _, i := range []int64{0, 1, 4096, 1024 * 1024} {
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t.Run(strconv.FormatInt(i, 10), func(t *testing.T) {
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dirpath, cleanup := test.TempDir(t)
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defer cleanup()
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flags := os.O_CREATE | os.O_TRUNC | os.O_WRONLY
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wr, err := os.OpenFile(path.Join(dirpath, "test"), flags, 0600)
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test.OK(t, err)
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defer wr.Close()
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err = preallocateFile(wr, i)
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test.OK(t, err)
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fi, err := wr.Stat()
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test.OK(t, err)
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efi := fs.ExtendedStat(fi)
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test.Assert(t, efi.Size == i || efi.Blocks > 0, "Preallocated size of %v, got size %v block %v", i, efi.Size, efi.Blocks)
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})
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}
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}
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