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Add unit test for tarSum.Sum() with no data

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Docker-DCO-1.1-Signed-off-by: Josh Hawn <josh.hawn@docker.com> (github: jlhawn)
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Josh Hawn 2014-11-19 12:15:20 -08:00 committed by Vincent Batts
parent 6a74f071af
commit e257863a9a
1 changed files with 11 additions and 0 deletions
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11
pkg/tarsum/tarsum_test.go
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@ -230,6 +230,17 @@ func TestEmptyTar(t *testing.T) {
if resultSum != expectedSum {
t.Fatalf("expected [%s] but got [%s]", expectedSum, resultSum)
}
// Test without ever actually writing anything.
if ts, err = NewTarSum(bytes.NewReader([]byte{}), true, Version0); err != nil {
t.Fatal(err)
}
resultSum = ts.Sum(nil)
if resultSum != expectedSum {
t.Fatalf("expected [%s] but got [%s]", expectedSum, resultSum)
}
}
var (