Creates a file with random content.
(fileName string, size int64)
| 138 | |
| 139 | // Creates a file with random content. |
| 140 | func createRandomFile(fileName string, size int64) error { |
| 141 | b := make([]byte, size) |
| 142 | if _, err := rand.Read(b); err != nil { |
| 143 | return err |
| 144 | } |
| 145 | f, err := cos.CreateFile(fileName) |
| 146 | if err != nil { |
| 147 | return err |
| 148 | } |
| 149 | defer f.Close() |
| 150 | n, err := f.Write(b) |
| 151 | if err != nil { |
| 152 | return err |
| 153 | } |
| 154 | if int64(n) != size { |
| 155 | return fmt.Errorf("could not write %d bytes, wrote %d bytes", size, n) |
| 156 | } |
| 157 | return nil |
| 158 | } |
no test coverage detected