1
// Copyright 2012 The Go Authors. All rights reserved.
2
// Use of this source code is governed by a BSD-style
3
// license that can be found in the LICENSE file.
16
func TestNlitOutOfRange(t *testing.T) {
17
// Trying to decode this bogus flate data, which has a Huffman table
18
// with nlit=288, should not panic.
19
io.Copy(ioutil.Discard, NewReader(strings.NewReader(
20
"\xfc\xfe\x36\xe7\x5e\x1c\xef\xb3\x55\x58\x77\xb6\x56\xb5\x43\xf4"+
21
"\x6f\xf2\xd2\xe6\x3d\x99\xa0\x85\x8c\x48\xeb\xf8\xda\x83\x04\x2a"+
22
"\x75\xc4\xf8\x0f\x12\x11\xb9\xb4\x4b\x09\xa0\xbe\x8b\x91\x4c")))
30
var testfiles = []string{
31
// Digits is the digits of the irrational number e. Its decimal representation
32
// does not repeat, but there are only 10 posible digits, so it should be
33
// reasonably compressible.
34
digits: "../testdata/e.txt",
35
// Twain is Project Gutenberg's edition of Mark Twain's classic English novel.
36
twain: "../testdata/Mark.Twain-Tom.Sawyer.txt",
39
func benchmarkDecode(b *testing.B, testfile, level, n int) {
42
buf0, err := ioutil.ReadFile(testfiles[testfile])
47
b.Fatalf("test file %q has no data", testfiles[testfile])
49
compressed := new(bytes.Buffer)
50
w, err := NewWriter(compressed, level)
54
for i := 0; i < n; i += len(buf0) {
58
io.Copy(w, bytes.NewBuffer(buf0))
61
buf1 := compressed.Bytes()
62
buf0, compressed, w = nil, nil, nil
65
for i := 0; i < b.N; i++ {
66
io.Copy(ioutil.Discard, NewReader(bytes.NewBuffer(buf1)))
70
// These short names are so that gofmt doesn't break the BenchmarkXxx function
71
// bodies below over multiple lines.
74
default_ = DefaultCompression
75
compress = BestCompression
78
func BenchmarkDecodeDigitsSpeed1e4(b *testing.B) { benchmarkDecode(b, digits, speed, 1e4) }
79
func BenchmarkDecodeDigitsSpeed1e5(b *testing.B) { benchmarkDecode(b, digits, speed, 1e5) }
80
func BenchmarkDecodeDigitsSpeed1e6(b *testing.B) { benchmarkDecode(b, digits, speed, 1e6) }
81
func BenchmarkDecodeDigitsDefault1e4(b *testing.B) { benchmarkDecode(b, digits, default_, 1e4) }
82
func BenchmarkDecodeDigitsDefault1e5(b *testing.B) { benchmarkDecode(b, digits, default_, 1e5) }
83
func BenchmarkDecodeDigitsDefault1e6(b *testing.B) { benchmarkDecode(b, digits, default_, 1e6) }
84
func BenchmarkDecodeDigitsCompress1e4(b *testing.B) { benchmarkDecode(b, digits, compress, 1e4) }
85
func BenchmarkDecodeDigitsCompress1e5(b *testing.B) { benchmarkDecode(b, digits, compress, 1e5) }
86
func BenchmarkDecodeDigitsCompress1e6(b *testing.B) { benchmarkDecode(b, digits, compress, 1e6) }
87
func BenchmarkDecodeTwainSpeed1e4(b *testing.B) { benchmarkDecode(b, twain, speed, 1e4) }
88
func BenchmarkDecodeTwainSpeed1e5(b *testing.B) { benchmarkDecode(b, twain, speed, 1e5) }
89
func BenchmarkDecodeTwainSpeed1e6(b *testing.B) { benchmarkDecode(b, twain, speed, 1e6) }
90
func BenchmarkDecodeTwainDefault1e4(b *testing.B) { benchmarkDecode(b, twain, default_, 1e4) }
91
func BenchmarkDecodeTwainDefault1e5(b *testing.B) { benchmarkDecode(b, twain, default_, 1e5) }
92
func BenchmarkDecodeTwainDefault1e6(b *testing.B) { benchmarkDecode(b, twain, default_, 1e6) }
93
func BenchmarkDecodeTwainCompress1e4(b *testing.B) { benchmarkDecode(b, twain, compress, 1e4) }
94
func BenchmarkDecodeTwainCompress1e5(b *testing.B) { benchmarkDecode(b, twain, compress, 1e5) }
95
func BenchmarkDecodeTwainCompress1e6(b *testing.B) { benchmarkDecode(b, twain, compress, 1e6) }