Home | History | Annotate | Download | only in bzip2
      1 // Copyright 2011 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.
      4 
      5 package bzip2
      6 
      7 import (
      8 	"bytes"
      9 	"encoding/base64"
     10 	"encoding/hex"
     11 	"io"
     12 	"io/ioutil"
     13 	"testing"
     14 )
     15 
     16 func TestBitReader(t *testing.T) {
     17 	buf := bytes.NewReader([]byte{0xaa})
     18 	br := newBitReader(buf)
     19 	if n := br.ReadBits(1); n != 1 {
     20 		t.Errorf("read 1 wrong")
     21 	}
     22 	if n := br.ReadBits(1); n != 0 {
     23 		t.Errorf("read 2 wrong")
     24 	}
     25 	if n := br.ReadBits(1); n != 1 {
     26 		t.Errorf("read 3 wrong")
     27 	}
     28 	if n := br.ReadBits(1); n != 0 {
     29 		t.Errorf("read 4 wrong")
     30 	}
     31 }
     32 
     33 func TestBitReaderLarge(t *testing.T) {
     34 	buf := bytes.NewReader([]byte{0x12, 0x34, 0x56, 0x78})
     35 	br := newBitReader(buf)
     36 	if n := br.ReadBits(32); n != 0x12345678 {
     37 		t.Errorf("got: %x want: %x", n, 0x12345678)
     38 	}
     39 }
     40 
     41 func readerFromHex(s string) io.Reader {
     42 	data, err := hex.DecodeString(s)
     43 	if err != nil {
     44 		panic("readerFromHex: bad input")
     45 	}
     46 	return bytes.NewReader(data)
     47 }
     48 
     49 func decompressHex(s string) (out []byte, err error) {
     50 	r := NewReader(readerFromHex(s))
     51 	return ioutil.ReadAll(r)
     52 }
     53 
     54 func TestHelloWorldBZ2(t *testing.T) {
     55 	out, err := decompressHex(helloWorldBZ2Hex)
     56 	if err != nil {
     57 		t.Errorf("error from Read: %s", err)
     58 		return
     59 	}
     60 
     61 	if !bytes.Equal(helloWorld, out) {
     62 		t.Errorf("got %x, want %x", out, helloWorld)
     63 	}
     64 }
     65 
     66 func TestConcat(t *testing.T) {
     67 	out, err := decompressHex(helloWorldBZ2Hex + helloWorldBZ2Hex)
     68 	if err != nil {
     69 		t.Errorf("error from Read: %s", err)
     70 		return
     71 	}
     72 
     73 	hello2 := bytes.Repeat(helloWorld, 2)
     74 	if !bytes.Equal(hello2, out) {
     75 		t.Errorf("got %x, want %x", out, hello2)
     76 	}
     77 }
     78 
     79 func testZeros(t *testing.T, inHex string, n int) {
     80 	out, err := decompressHex(inHex)
     81 	if err != nil {
     82 		t.Errorf("error from Read: %s", err)
     83 		return
     84 	}
     85 
     86 	expected := make([]byte, n)
     87 
     88 	if !bytes.Equal(expected, out) {
     89 		allZeros := true
     90 		for _, b := range out {
     91 			if b != 0 {
     92 				allZeros = false
     93 				break
     94 			}
     95 		}
     96 		t.Errorf("incorrect result, got %d bytes (allZeros: %t)", len(out), allZeros)
     97 	}
     98 }
     99 
    100 func Test32Zeros(t *testing.T) {
    101 	testZeros(t, thirtyTwoZerosBZ2Hex, 32)
    102 }
    103 
    104 func Test1MBZeros(t *testing.T) {
    105 	testZeros(t, oneMBZerosBZ2Hex, 1024*1024)
    106 }
    107 
    108 func testRandomData(t *testing.T, compressedHex, uncompressedHex string) {
    109 	out, err := decompressHex(compressedHex)
    110 	if err != nil {
    111 		t.Errorf("error from Read: %s", err)
    112 		return
    113 	}
    114 
    115 	expected, _ := hex.DecodeString(uncompressedHex)
    116 
    117 	if !bytes.Equal(out, expected) {
    118 		t.Errorf("incorrect result\ngot:  %x\nwant: %x", out, expected)
    119 	}
    120 }
    121 
    122 func TestRandomData1(t *testing.T) {
    123 	testRandomData(t, randBZ2Hex, randHex)
    124 }
    125 
    126 func TestRandomData2(t *testing.T) {
    127 	// This test involves several repeated bytes in the output, but they
    128 	// should trigger RLE decoding.
    129 	testRandomData(t, rand2BZ2Hex, rand2Hex)
    130 }
    131 
    132 func TestRandomData3(t *testing.T) {
    133 	// This test uses the full range of symbols.
    134 	testRandomData(t, rand3BZ2Hex, rand3Hex)
    135 }
    136 
    137 func Test1MBSawtooth(t *testing.T) {
    138 	out, err := decompressHex(oneMBSawtoothBZ2Hex)
    139 	if err != nil {
    140 		t.Errorf("error from Read: %s", err)
    141 		return
    142 	}
    143 
    144 	expected := make([]byte, 1024*1024)
    145 
    146 	for i := range expected {
    147 		expected[i] = byte(i)
    148 	}
    149 
    150 	if !bytes.Equal(out, expected) {
    151 		t.Error("incorrect result")
    152 	}
    153 }
    154 
    155 const helloWorldBZ2Hex = "425a68393141592653594eece83600000251800010400006449080200031064c4101a7a9a580bb9431f8bb9229c28482776741b0"
    156 
    157 var helloWorld = []byte("hello world\n")
    158 
    159 const thirtyTwoZerosBZ2Hex = "425a6839314159265359b5aa5098000000600040000004200021008283177245385090b5aa5098"
    160 const oneMBZerosBZ2Hex = "425a683931415926535938571ce50008084000c0040008200030cc0529a60806c4201e2ee48a70a12070ae39ca"
    161 
    162 const randBZ2Hex = "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"
    163 const randHex = "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"
    164 
    165 const oneMBSawtoothBZ2Hex = "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"
    166 
    167 const rand2BZ2Hex = "425a6839314159265359d992d0f60000137dfe84020310091c1e280e100e042801099210094806c0110002e70806402000546034000034000000f2830000032000d3403264049270eb7a9280d308ca06ad28f6981bee1bf8160727c7364510d73a1e123083421b63f031f63993a0f40051fbf177245385090d992d0f60"
    168 const rand2Hex = "92d5652616ac444a4a04af1a8a3964aca0450d43d6cf233bd03233f4ba92f8719e6c2a2bd4f5f88db07ecd0da3a33b263483db9b2c158786ad6363be35d17335ba"
    169 
    170 const rand3BZ2Hex = "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"
    171 const rand3Hex = "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"
    172 
    173 const (
    174 	digits = iota
    175 	twain
    176 )
    177 
    178 var testfiles = []string{
    179 	// Digits is the digits of the irrational number e. Its decimal representation
    180 	// does not repeat, but there are only 10 possible digits, so it should be
    181 	// reasonably compressible.
    182 	digits: "testdata/e.txt.bz2",
    183 	// Twain is Project Gutenberg's edition of Mark Twain's classic English novel.
    184 	twain: "testdata/Mark.Twain-Tom.Sawyer.txt.bz2",
    185 }
    186 
    187 func benchmarkDecode(b *testing.B, testfile int) {
    188 	compressed, err := ioutil.ReadFile(testfiles[testfile])
    189 	if err != nil {
    190 		b.Fatal(err)
    191 	}
    192 	b.SetBytes(int64(len(compressed)))
    193 	for i := 0; i < b.N; i++ {
    194 		r := bytes.NewReader(compressed)
    195 		io.Copy(ioutil.Discard, NewReader(r))
    196 	}
    197 }
    198 
    199 func BenchmarkDecodeDigits(b *testing.B) { benchmarkDecode(b, digits) }
    200 func BenchmarkDecodeTwain(b *testing.B)  { benchmarkDecode(b, twain) }
    201 
    202 func TestBufferOverrun(t *testing.T) {
    203 	// Tests https://golang.org/issue/5747.
    204 	buffer := bytes.NewReader([]byte(bufferOverrunBase64))
    205 	decoder := base64.NewDecoder(base64.StdEncoding, buffer)
    206 	decompressor := NewReader(decoder)
    207 	// This shouldn't panic.
    208 	ioutil.ReadAll(decompressor)
    209 }
    210 
    211 func TestOutOfRangeSelector(t *testing.T) {
    212 	// Tests https://golang.org/issue/8363.
    213 	buffer := bytes.NewReader(outOfRangeSelector)
    214 	decompressor := NewReader(buffer)
    215 	// This shouldn't panic.
    216 	ioutil.ReadAll(decompressor)
    217 }
    218 
    219 func TestMTF(t *testing.T) {
    220 	mtf := newMTFDecoderWithRange(5)
    221 
    222 	// 0 1 2 3 4
    223 	expect := byte(1)
    224 	x := mtf.Decode(1)
    225 	if x != expect {
    226 		t.Errorf("expected %v, got %v", expect, x)
    227 	}
    228 
    229 	// 1 0 2 3 4
    230 	x = mtf.Decode(0)
    231 	if x != expect {
    232 		t.Errorf("expected %v, got %v", expect, x)
    233 	}
    234 
    235 	// 1 0 2 3 4
    236 	expect = byte(0)
    237 	x = mtf.Decode(1)
    238 	if x != expect {
    239 		t.Errorf("expected %v, got %v", expect, x)
    240 	}
    241 
    242 	// 0 1 2 3 4
    243 	expect = byte(4)
    244 	x = mtf.Decode(4)
    245 	if x != expect {
    246 		t.Errorf("expected %v, got %v", expect, x)
    247 	}
    248 
    249 	// 4 0 1 2 3
    250 	expect = byte(0)
    251 	x = mtf.Decode(1)
    252 	if x != expect {
    253 		t.Errorf("expected %v, got %v", expect, x)
    254 	}
    255 }
    256 
    257 var bufferOverrunBase64 string = `
    258 QlpoNTFBWSZTWTzyiGcACMP/////////////////////////////////3/7f3///
    259 ////4N/fCZODak2Xo44GIHZgkGzDRbFAuwAAKoFV7T6AO6qwA6APb6s2rOoAkAAD
    260 oACUoDtndh0iQAPkAAAAaPWihQoCgr5t97Obju21ChQB0NBm3RbA7apXrRoBooAA
    261 AhA+IAHWl2Us3O7t9yieb3udvd76+4+fd33nd3HO1bVvfcGRne6+3vfPvfc++995
    262 w7k973eJhasLVec970tzDNXdX28LoPXZ3H3K9z0s5ufWAfes49d5594c3dUYtI+2
    263 +h1dvtpRa+uvrVEAG9bl893RVEN7cWvroSqWjPMGgAQi7Gq8TJSgKKdjKFBIB9Ae
    264 LqWxleu715eXe7ml9e5098Z6G1vr7t1QZ6ot76YzPd3j7333t2ql2Chm7XrA9ICQ
    265 VF77z3rVBWqkSXtlfb099hyezAr6USbGpICTSCFAaqHrKo+tUnm32rpE4Ue+t2mj
    266 bKUeipEqwc93EdhhTwmQpOhhesC9iqDSPNTWYNSnUtBdm1nsA0nqqNd7OWwDXtFL
    267 ONmmA6Ubke26I9UblvWIPR5VOWOnctai443URunnDy77uVC59OfRvezlDu33Z7Ly
    268 3NNuuHW63088xu3t3NHZhkZbG7tXRlj00qOtbaXTJUUdspTbABR9R6EUwQAEAAAA
    269 EMEwRpoAAAABMmhoAAjBNNAaCMhponpoGpgJpk9TEyp6niGKZkAaAEfqMQ09U80p
    270 +pMGSCKngIAAAAgAAg0AAJhGgABGCEaaTyTKeNI1PE0wkj01GajMSNPSZGnqbU9T
    271 anlPUNAHqGQ0DQAMg9TamgAAYRU/IAAICAmjQJgjQBMEwp5DTSaaYmhTeqfplPID
    272 U1T9TynoU82pT1NPU/VP0j1NHqRpk9TTR7SnqaNNGmmQAaAD1Aeo0PSAAAAaaBiK
    273 eBAQBGgIABGQA0AmBNNBoaAgaJmpglPEyYap6npiTT0agGjJjUaaDTQAAAAAAM1A
    274 9QAaAAAADU8iEAQAEyAJk0NNNJgIZTJ5E00YSemiaZNGm1MpGNJ+lPU9qm9U2RDM
    275 oY0EzJB6h6nqDID1NMBDDRpo1AGNAjCMmhkMgaYSJIgAAAQyAAEyBoATECCNhTT0
    276 U/IZAmCM1DSTxkzUE8p6NDaGiZGJqntTFHvUyU9qPQp7Kn5GgKNPU9QAGg9QAAA3
    277 wz0Pk/g/m/m9P9H4vxv2+dH3gCS8nhbbbbbYxtgNsBsG0m2MbG0NNtsbYNsaY0wb
    278 bBibGmm22mxptNpsaGNDTY02JsG0MY0xg2MaYNNDbGwG0L5vsK/F9DO+EAA447Kq
    279 p7Wdf6Y+5c20T7DfHyMXIzRKrZexw72uiQI+y55vOe52xpqbCLC2uR20JdER7Zvr
    280 7ufuKb6zhiBxLuj0eA27v8RpMLucw9Ohwcizi2wrpt+yU1FdpM7ZYPcwS3XTef+A
    281 Wzjxwhdrgw3aH1LeC1eZW900x8V9Nv4hTPXp4l067P/4ANVZFF/imOe/d5bdueam
    282 /DFFokQWnFaU+ZqLBCM+d0PialJQWnLqRQZk/KhfbbYc2pCUTgffcSYbrCM1N+8l
    283 HU6gSz+h2GJXs+tbrNviL83M97X0vcTn/F82P8wen8/3/h3sHY+sf9CSej9ThYTV
    284 3lQ+FUHpfpGD4kv7dYMV995dpDX/y3xR8FoXx1bjUxBTNxuutwQ/h/Eedn9wpn6w
    285 E3+ND8YhN1HSriIxRE/6uFyMv6/oC6Elarw3aHMMqHJkGiiz6tejmvnYLQa+Qm6G
    286 deZ7jXTZV6NlpocgDnRdimS06bTYSkvPAL/xoWNLkX6N6VljU0dfKSBmm2uZE/xu
    287 sutQ1EdP7GdjhglIq4xlOFUFEQpmX+xx7R8y6c0GSAaqusOjNZwxZRudOvmXm1tZ
    288 T+YnbeB2ir9eiHNrtJNSLD/J/WDyuQpwBUtLKo0krccY/wIILP7f86teb9Z/9oyz
    289 OX05qEWbObfhpRw+9+rCvp/35ML8KX3aHaI0n+tudbFRsV5FLW+Oa8ruLN4peyVL
    290 DWjTHrXNthq/s7zAJYMeFJZkZt5mT9rfpH+5g3nc+piOSZ+J5nHtOnKI7Ff8Xl+j
    291 0t76XTNucCHQ6whav1OHdF53TY5wuv5OzvrdnxoId8fTyUvERr0ERINu/8XxZZ5f
    292 B5/kTZ8bBO0wv54Jp+ED/GQI8lZHzIQCP3vfQhwnCTj9TvITic7P4mYLDbH3fyzR
    293 i+6EajCcpXLWSGf+ZXkOrWspDWDhXtEKas0v3UqWksqgY1rTj45krX4KihN+daXs
    294 pZl5WPlta5p06CX6Xm2SfzqkMw12/3ix1bpnnZ+kFeBNX7A+E9zzG6OZaN78GOpl
    295 9Ht/eZn9PqWdav852zr0zqkDK2H5IjdvNah+b1YVGdQGzwR4Nw+f13yEKnV+y66W
    296 djfq7zWp7m5w+hzfv+Ly8O7oet5Vvd8/wQvO7qzOZ2vjf9X8Tj8PnMb/nc/nKqRR
    297 +ml4UEhOOwfCeJEEI109CMYSh91iAJqPjMyH6KjrPD7W25llZVcREYNCTg6htbQt
    298 M38wYoquCWP6tdKYlVIv14xTNUeUf4El/FunCf6csZkmv+9tfWx7t59wuKIa3saU
    299 tZs9M+3HFOZtz3OLg/Unoaj9BYazYqA78xBU9tZzrtmF/rQL9CGJt90o/oYnSfcS
    300 SL3haaw351LXWQ1XOsv1SmH3v6ymuxEpPPnEDmBELaTYsvvMIWJsmPZFFww++Kd7
    301 s/Jo0JFeUU7uNtI+gVosAIpVVuWfI/9tOIycz7I5Z7zjV+NR2OuZbYtW5F08KX4o
    302 2k/xuJIchcNFPtxPfw9dkDgscRbMckyFMrzuZ3IvrcGzk0J6iI5ytrv37bGpAXMz
    303 WK9mMMPebepNevmLjjo/QWoM968Sjv7ldlPS5AinHcXwsFv6dmmh8lJt7UOJWoKu
    304 lMD1cB2ksIGpMdv8iuqR42Rn/kn+17BhhUZcwDBaUXVdX6bKW7fxlUYbq+mlqIcf
    305 a9v8HF87M9ANbi9bq9onf9TD7nQ6Xf6vZci8TBPX+/GI0He6j31fTVQYW+NsQxvO
    306 J8xrx+e58CCLQNjxeIyPt+F+qk/QMiXw+LyxGVkV/XcGQT9X03jSDP6beJ5QG1JW
    307 9Q3qLv/YixWI7gPV9Mrhf2oRYTc/9KLFRhkE3SjKOTKuSSBKQ24fI+hEznamH71D
    308 66Hwez8/0et7AtTv9zvamv2OD5He6fMV4k+ePl6+qPfO5CdHtK+eCDZL5+4f5yrl
    309 gTcRFiq8fXbc5IaI5fbbc1KMM/2T0Mr7+Hwaco6FtXm0fmhCgTZRqY4pKiEIfmaz
    310 QwHNOOCrtMJ2VwsyMumt7xsOolGnizRev6lILH43qPcczQM7Gc5zRin80YvFt1Qm
    311 h/57Z0auR2h0fuX50MBO4XQ+26y5l6v4j902R66c0j3z2KHstKQ04J/h6LbuNQE4
    312 D6cu/lyfK69DxxX8wb8XaQkMUcJdo1LzqUGDAb3Kfn/A3P/JYc99MO9qv67+SxWb
    313 wYTyqKdWTd+1KbR/Rcn0Io5zI/QquX7FA1bxfMytjQ/X+l0fh0Pf+Hx97meH4fQL
    314 7/T8/sdTm9Tn8nELvedyhydLlPPTScINdXyLIq9wgIJr4fWPbp9ZhFh/56fdSgOG
    315 HDXg+gkXsN2Rddr4HQ5P3u+RhLzmSjhzoqY5EsPC4QvRlX9JXjB84rPV5USR66qa
    316 /kjw4156GJnzoXtydKJE53t6PHfZWO+3ujsfI6iAdshc7OFzGXiZB9PtItKodhYq
    317 nABkTKdcpu4+TOpf9h5piX5slsaBjkeTnj/Ba02ilboQfcDVigxrYn/iTH5ySWUW
    318 /lHtg78s5UZM8sErwhNe3N3w+6ZOMnU+5i86/xFNtqZfDdXTGy1H3PzGbdtZXYT+
    319 Ixx2vpwBYzbPVYHxKosM5rPiVmcTllI9nuoSfeh9ib4foFWauOpvdmhBDqpTpKTX
    320 u8EO2l2Z195G2RIV7TlKSxGWjR5sl/nALu1uzBeLd9zpSujzMTd1uTX9Qk/Q1S+r
    321 vaW6bm8qqPO4jb6Wx6XIkm321nrIF6Ae25d1+Dpv/P5G4NoLd2j6/EtENC3FeR5z
    322 oo7bA+tI8yEQRhiF0z1FlJXLD5ZbhNNWQm/j/IbzRfh8JtOFZU7ruShLvHXysW9S
    323 9V909tr9jn8/E/Hb5N/1NVNHnZu2HIUvJvHJiHd2ucmeI9PWUMnppmE65GQ5E9xV
    324 ZRlGEH0X85EvmHyEupkMrCC0oMv9RCq+/H8gcfpe00Hs/S+regT5p58cyYomh93v
    325 qvuw/A06BE/wzJESuYbN9pqYpoXqXFemW1NksHEJ2w+PYMJ27WJyD5FpaXB85VaW
    326 qMOhDfO8E3QdH8ybyKt/UgI8/tDGpFbyOlaVdIv1FXJhoLp8soAA4Djg6/KZ066N
    327 ZFYuS8WdjpSZGP4/Lw+1yaXlzNznc/k2uHe2uXP3uFuPcHx+Dm44utxldoO1uBPy
    328 +jzOs14+MIgOjOHMVNqAbMd8fUedLlhJMCfMtm4uz01enLNKcMrtLlPIR37Yukh1
    329 YEMXYpm7eU4XU+j+Jj3pDyaXtXs+p1fWfTN/cy9/Oxs4umUXQ4uHh1kObtayDJ56
    330 /QMxiHobjHNKuKfMxsrYEwN+QVIyVjAwMDYuMjQ1AAA9IwJniiBLRkZDAAAXt0Ja
    331 aDQxQVkmU1lZtwytAACLf///////////////////+//////v//////////bv78//
    332 /+AXO133uwO2xB2UxIvbKXrCqCoURUBL2ytFI82AFdcOwMhVTHtk5rD3szEVNYD4
    333 aIQINCaMRoTaSn7SbSMJiYmEwieTEp+psqbMCp+VNPaFNpqbBNR7UmanlPUeKfqm
    334 j1PU0/VPU08o9Q9EeKHlPJtKbYqeTCYhN6U9T1NH6mp+lPyoGNTI/Knkyg1MggAg
    335 CaMEyQnqZoaaRtRtJpppppoDaTR6hpphGh6mmgHpMQBpkGTTEAAaAAAA00AZDag0
    336 ADIBkGgABqemiRNTI0k8aU0PRGRoAZlP0UAAAGgAAAyAADQaAAAaAAAAAAAAAAAA
    337 AaAAAAM0kgRBJ5MlPFP1Gj0jTTTUaekxNAbUGjTQMgaZANNAAAAaAADTQAAAAAAA
    338 ANAA0AAANADQ0QAAAAAAAAAaGgAAAAAAABoA0AAA0AAAAAAAAAAAAANAAAAAkSEI
    339 aTRpomp5DUxNNDTJPTKaep6T09Kemmo2JG0aTQ9ENogaaGhkABo0NHqaBoDTI0DC
    340 Gj0gNAMhoDQ9QMQNAGQAaDDwyMPIMlbG1vhRBTFo6JksSupgpAjPbY0ec02IGXjb
    341 eS+FBsh01+O4ZOaD+srUZCFaT4DRjVDLx7uKIsFtESIDUg1ZkhyCSYov05C00MtR
    342 BdNNa/AYPGOQZWcs+VegXOPrkushFbZ3mBoRD6WamClkpBaHZrUhUl02bIfRXX4w
    343 b3/9cW9nHDVxh2qFBxqgRKfmq7/Jc/tdJk05nVrGbckGVy2PnIy30CDhpWmqrSot
    344 K2bOnX0NbP1iy2cd0Na0ZmbRstm4MzMzbbMySTd35F7f+zPP8DC+NJLYcakkkkRd
    345 NZlupJt3OMFoDAD2g+N3FAMCydhIpoRHRQAdFI5nNg4ugEXHCYxkMyGCwtaJmial
    346 y0IMlpSYYM/weXNJAhFqS0GNmvaPEtYGjbvaucMdklOTmBX1vfVAkTYB1uXCSK64
    347 UNIixOqRKLuRCFtqIQtgwqaFrCkIYbbewErWABa+VGADWsJXJjfx5SJViLuwiGXq
    348 Ru6vCuwmU5CJiJz3UiBpmLv0r2wskxUhY4tzPVGQ9RMXJl65eLSNwZVwaSyGZ9Cm
    349 A3jztQUUpFeUryBTskW95iVwRMFrhBCwZBAFJBZvhMEMNoDJJlUoIhQkAkjbExp2
    350 YZio+ZYeAZUwmH1qUbdQixmxf0+61+aVgJ1hwxsO1yG3hFx4pfjc09ITVht0pG8u
    351 FtVFhPa1KE0gTRUSVXywkITucqk0Waz5Fs6qJpVHYdNrbYRFxnFsQGY1qmsTLjK6
    352 4QX5Rddo6krM/Bx9CqIAKq4CzVQYHrmIAd2EBhYmwVYwLvhzKIUrc2EirnGIvyuD
    353 O4YZDSwsVTA0BpVvUOjDErkCraBoSutcKwUSSLGhVvNYHLz3klgZD++wWsa/swLw
    354 gvNDY2De+sncOv8X2lq4HD95ZdwPuTIMXCwSbg4RrIqv+L0y6F17pqDecyQYPEj3
    355 iN/0BBeWZlJAyBMi5U3Q1zAlsK8IlDhaXGmvZrgISq5CfNjmUgxDeMggOKqxu4sI
    356 OrilS49Lkl1J3u3GjXTuH+rX+4ccyFAQnizCpPClcY77F59j63S6fr5vr+y99tuO
    357 7Ox7Wg/ljwhdyaK4xMmXczeJbx7x07htJNtC4xcQfAtvzeznLrN6MN/ILIBOI65I
    358 qIA2D5fHHj1XN4aN6TvOjWDaSbSWqxCSCvXUpzkNJAkWXAuTwF8k5uSJvQj/rVo0
    359 hAhEMEIYkCRGx9AX+byIuXWlLMbbVeliHNUL5AQYmNwLFu4SkmGD+UWtBMyVHQOQ
    360 ss0ggoVKSKOBUgnVS6ljt7WE1qXqJJ4QA1pEwYNLEaguEE1LtPNoVr5WzjbSbWPk
    361 V9OW3y9IneUDLoIV5pAkEFTEFGFVjeTFxtpzBBfGgycBxVCdz8eESBIzsamRchAa
    362 TQunQH8DHnpfod9QuAuRvc7JBlKUCYmCjMvynLcxIFohxCaYrDvGw4QbXZB7oWQ7
    363 hpoGlz23ayDfB8NrRRzdilsEQyQniu9ASLQg7RrGZnoTr1ai12IbCEUCGdFq03P5
    364 nBnRFAGmisQGcyykV9gKtcVMWLhCuVmXg86dndn7slUpRNSSEAU20oaWIm1maFTu
    365 E0DT4gTbg0nuhjtz3kNOz+i7sBm0bkXjxQWuLqlZEmp60ZTyRZJDUqKSEKg6hqcy
    366 ERxdU22CSNOO10RYUUiDVpKhPNdKTOIE1thp02sBNoNTFSht8WJtaBQ09qN3jd5r
    367 dOLX4IA5fevRyCCzDgRXfV4wzik4KROjmxmTMglBySlIMEzcXehnDXCRiZSlvwA2
    368 0YsIOROcm4UrIRFxJHctJH7OdN5u1aHVHb5UaLHpv48NgmFRE56KTSoaWunqm2st
    369 S0mrAdOiqcR12PWVbdVRJKcQ0DQuhwlAPcRtpxN3D4kbXJjToSYJIFw406G2CSaK
    370 jQMIJPZGlQmgyFhoCSzeGS1VSq5SKKQQxs5RqKUcVUNY57YUETb4mXzV84SPngKi
    371 nsce0mXByZq5BKUA9puHZWLNwQIYuDaJUNgG+E01E3pDYVNLKYQ0hsVesgV5gZY0
    372 htDsRdGtm0+iGnkN6+Ea9YJtUZNAkx2GgSoix12nTW0avTUfxR3oYcpvZ7IdtABE
    373 UhBcjG4qZtDZsS1JQHys243vhLaDTSvvTeBiJA2tmokqECTBcSOCAGkAxMKlVAva
    374 4IsLRaBBqhxDbcGtgdw03mFcLUaFuhtKuuEIEkUleJQwby/zwu9uvvZK4xTV+ECM
    375 a8lmzxKmqkBggYK1+xPdbmJclm6tSZhE/OSJtCEjs+unJIQkT9hCWgBJqGMS07Eh
    376 AJNmBiuVEVdTyjkIJkavuZmx2sJF13htgEZUCC23lZFOE6gWbM9WyYNJTM8yCQrb
    377 0Sx3OQvBML5cRATAQkSQkAJOAhoxpQkNi4ZiEVDbdtJAME0RXNDXGHA3M3Q0mm1o
    378 IEwbWpaM1DQCSMbGRCAu3iRIQiT6RlBpT1n3tfwvUXz3gIVlx3mEximY/kZW1kNG
    379 sgEJIrBisaEoGYPJ+1CQUYFBw+eGEHJQBpNHjErXUJY2iWHQ30hXwFBuMSxQ2lB5
    380 bg+/LX3euG6HsHUB1lFvBvaiaBrITVwkCTa1d0s9CHZCiDZjbWReKyrpPE2oSa7o
    381 LPrR4BJvys9ttjUpzETSSMxh8vsr9dXTwKBtK+1xCTGDQmNIaE29HmHdS5GSxpya
    382 MismcAUSEgSxHBrKtgsZzduG7vHZn16l3kFkVITtENIzS2JsiBwFTDlhgexsjBHv
    383 5HXOYxHBzoSDCcPZ0ctvkY9aS5XpoQuFYkGJgCsqjJZeUMNUEpDSbKcnUc1PifIA
    384 CbR2UoXawBlspkEBr9HBfvUi/MUakZVOf1WKYrqSaIXce62JOyhJLq3qJBloTA0F
    385 VbILEtM+heFmNRCFt70GJrExVJri0ArYbCRbADSGDBpBXxxb/6fo+s3C7uaL7RjM
    386 LV2IQBNrAJrKFeJwTsPnxbAsemirUx2lk1kaxschzdK4TQNJN5wQnolIFg401OZ4
    387 2na11LnT3lR+1k1TMJhiAjXMk0F1ooHnYlt9LKfJ3ZIOmeY+2l9bUQHWFNGyEyfj
    388 EAcu3kpGLq0Ez7XOS+EpAASRQTAYMATfVQibHLTT30zG732+pNe9za1JNt8sNJYn
    389 RjWuJ6jL5ILV0rcd9vT7X9fObvcXitpvJ2XBJE+PhX2HaTkyWeF9pwnlQNrTe9hV
    390 tzhA+ihZrDrHNmLcQjZbnv/IMubqq8egxY80t5n6vZ6U5TR6U9uZJvai1xtqAyCR
    391 NWkW52m00rDTEuO6BA4q2RHDWwbETF55rRsWLIgNW9qJCyMHPbTM/dMBmWMQSMxz
    392 4M2pRzt47SICxA327UqSCEERqMFybmYi3nUxePtLgHYplqRiw4ynMbXd/kiQ0LE0
    393 PKJSSCXA42ymziCpAxNWflzpzQdJZusahRFr6t6m+4p273/Taj7k+hZyNgBAgXAY
    394 8F7pTts6orLb8IA6o4TOwkwQYmKvKu9VwMrE7+GUhVIAgY9a8DyQMiDBkEAwh7S1
    395 KgCBfao8DK1CwSS8Z3WjL5MEgt93z2koUQCD/YxMBppiCMp7SDVSmkkIHptfGpeh
    396 t+M13Ccv1tavIASFiaQl6rBz3K4N3DSGwNkCibrvEAC0fQirOWnc4NVbcLKpFG1l
    397 NQXF/eqdT79wq1Mvlap3QSCLhcD2D3fCkKVWid4aSjtp9FOX1Uaf7P9eT93zd9Sv
    398 mj2yNLRUGzyI/0oONNSzmmkvJ5Cq2X2CdldIWMGZO57RJ8oyATAWTQmRmNkfh0Sx
    399 uuR/J9oUsomVy1AEntc0dlPivkqBkBqrxU3j5PnWkaI3ZRGc0gg9spCQEISh4xEU
    400 pMhVrnmDQLfLP8Ouqpx917MAw7hkjQk6BJFTAbXDsz3LSHIxo/gB8qrA1vbvdZZh
    401 LtR0frJdfdppX8nAQX/TAxOQ8+H6yw8a9i7/zJEfSYIhop59N/fhcWW2F14cj2Xc
    402 fyHaZ04lTO4uPnly91jwuFPaREuZVp8AxImIhlkxkAN61tWdWG7tEbaCgszh6VIz
    403 ThFnHo2Vi8SQXPrXCN7J9Tc9ZYiAYqoThV/u6SYsea5aZL8deOvKBQCgZZuIxX1z
    404 4EnfcqG176vY4VqMBIC4pMJz0WcHJYqN+j7BiwGoMBwExrIdTB7q4XIFLotcIpS0
    405 1MqyVsesvoQq7WObmGQXdMliMirSLcDuSx8Qy+4pIBgGDIyMp1qbonnGdcHYvU8S
    406 O0A8s/iua5oFdNZTWvbVI4FUH9sKcLiB3/fIAF+sB4n8q6L+UCfmbPcAo/crQ6b3
    407 HqhDBMY9J0q/jdz9GNYZ/1fbXdkUqAQKFePhtzJDRBZba27+LPQNMCcrHMq06F1T
    408 4QmLmkHt7LxB2pAczUO+T2O9bHEw/HWw+dYf2MoRDUw=
    409 `
    410 
    411 var outOfRangeSelector = []byte{
    412 	0x42, 0x5a, 0x68, 0x39, 0x31, 0x41, 0x59, 0x26,
    413 	0x53, 0x59, 0x4e, 0xec, 0xe8, 0x36, 0x00, 0x00,
    414 	0x02, 0x51, 0x80, 0x00, 0x10, 0x40, 0x00, 0x06,
    415 	0x44, 0x90, 0x80, 0x20, 0x00, 0x31, 0x06, 0x4c,
    416 	0x41, 0x01, 0xa7, 0xa9, 0xa5, 0x80, 0xbb, 0x94,
    417 	0x31, 0x17, 0x72, 0x45, 0x38, 0x50, 0x90, 0x00,
    418 	0x00, 0x00, 0x00,
    419 }
    420