oppi.li
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1package sync
2
3import (
4 "bytes"
5 "compress/zlib"
6 "io"
7 "testing"
8)
9
10func TestGetAndPutZlibReader(t *testing.T) {
11 _, err := GetZlibReader(bytes.NewReader(zlibInitBytes))
12 if err != nil {
13 t.Errorf("unexpected error: %v", err)
14 }
15
16 dict := &[]byte{}
17 reader := FakeZLibReader{}
18 PutZlibReader(ZLibReader{dict: dict, Reader: &reader})
19
20 if !reader.wasClosed {
21 t.Errorf("reader was not closed")
22 }
23
24 z2, err := GetZlibReader(bytes.NewReader(zlibInitBytes))
25 if err != nil {
26 t.Errorf("unexpected error: %v", err)
27 }
28
29 if dict != z2.dict {
30 t.Errorf("zlib dictionary was not reused")
31 }
32
33 if &reader != z2.Reader {
34 t.Errorf("zlib reader was not reused")
35 }
36
37 if !reader.wasReset {
38 t.Errorf("reader was not reset")
39 }
40}
41
42func TestGetAndPutZlibWriter(t *testing.T) {
43 w := GetZlibWriter(nil)
44 if w == nil {
45 t.Errorf("nil was not expected")
46 }
47
48 newW := zlib.NewWriter(nil)
49 PutZlibWriter(newW)
50
51 w2 := GetZlibWriter(nil)
52 if w2 != newW {
53 t.Errorf("zlib writer was not reused")
54 }
55}
56
57type FakeZLibReader struct {
58 wasClosed bool
59 wasReset bool
60}
61
62func (f *FakeZLibReader) Reset(r io.Reader, dict []byte) error {
63 f.wasReset = true
64 return nil
65}
66
67func (f *FakeZLibReader) Read(p []byte) (n int, err error) {
68 return 0, nil
69}
70
71func (f *FakeZLibReader) Close() error {
72 f.wasClosed = true
73 return nil
74}