func brokenCallWriteFile(filename string, data []byte) error {
f, err := mockOS.Create(filename)
if err != nil {
return err
}
defer errors.AppendCall(&err, f.Close)
n, err := f.Write(data)
if err == nil && n < len(data) {
err = io.ErrShortWrite
}
return err
}
func ReinventTheIOUtil(filename string) (buf []byte, err error) {
f, err := os.Open(filename)
if err != nil {
return nil, err
}
defer errors.AppendCall(&err, f.Close)
buf, err = ioutil.ReadAll(f)
if err != nil {
return nil, err
}
return buf, nil
}