| 801 | } |
| 802 | |
| 803 | func (t *MemFSTest) LargeFile() { |
| 804 | var err error |
| 805 | |
| 806 | // Create a file. |
| 807 | f, err := os.Create(path.Join(t.Dir, "foo")) |
| 808 | t.ToClose = append(t.ToClose, f) |
| 809 | AssertEq(nil, err) |
| 810 | |
| 811 | // Copy in large contents. |
| 812 | const size = 1 << 24 |
| 813 | contents := bytes.Repeat([]byte{0x20}, size) |
| 814 | |
| 815 | _, err = io.Copy(f, bytes.NewReader(contents)) |
| 816 | AssertEq(nil, err) |
| 817 | |
| 818 | // Read the full contents of the file. |
| 819 | contents, err = ioutil.ReadFile(f.Name()) |
| 820 | AssertEq(nil, err) |
| 821 | ExpectEq(size, len(contents)) |
| 822 | } |
| 823 | |
| 824 | func (t *MemFSTest) AppendMode() { |
| 825 | var err error |