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compression/rle: fix a bug in func "Compress"

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This commit is contained in:
Xincao Su 2018-04-03 10:47:18 +08:00
parent a095b84ec5
commit 0aea942be3
2 changed files with 8 additions and 1 deletions
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2
compression/rle/read_write.go
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@ -68,7 +68,7 @@ func compressChunk(dat []byte) (ret []byte, n int) {
return []byte{token, tokenToken}, 1
case len(dat) > 1 && dat[0] == 0x0 && dat[1] == 0x0:
j := 0
for j <= 254 && j < len(dat) {
for j <= 249 && j < len(dat) {
if dat[j] != 0 {
break
}

7
compression/rle/read_write_test.go
View file

@ -48,3 +48,10 @@ func (s *CompressionRleSuite) TestDecompressSimple(c *checker.C) {
c.Assert(res, checker.DeepEquals, make([]byte, 10))
}
func (s *CompressionRleSuite) TestIdentity(c *checker.C) {
var exp []byte = make([]byte, 251)
res, err := Decompress(Compress(exp))
c.Assert(err, checker.IsNil)
c.Assert(res, checker.DeepEquals, exp)
}