src/pkg/compress/gzip/gunzip_test.go - go - Git at Google

 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.

 package gzip

 import (
 	"bytes"
 	"io"
 	"testing"
 )

 type gunzipTest struct {
 	name string
 	desc string
 	raw  string
 	gzip []byte
 	err  error
 }

 var gunzipTests = []gunzipTest{
 	{ // has 1 empty fixed-huffman block
 		"empty.txt",
 		"empty.txt",
 		"",
 		[]byte{
 			0x1f, 0x8b, 0x08, 0x08, 0xf7, 0x5e, 0x14, 0x4a,
 			0x00, 0x03, 0x65, 0x6d, 0x70, 0x74, 0x79, 0x2e,
 			0x74, 0x78, 0x74, 0x00, 0x03, 0x00, 0x00, 0x00,
 			0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		},
 		nil,
 	},
 	{ // has 1 non-empty fixed huffman block
 		"hello.txt",
 		"hello.txt",
 		"hello world\n",
 		[]byte{
 			0x1f, 0x8b, 0x08, 0x08, 0xc8, 0x58, 0x13, 0x4a,
 			0x00, 0x03, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x2e,
 			0x74, 0x78, 0x74, 0x00, 0xcb, 0x48, 0xcd, 0xc9,
 			0xc9, 0x57, 0x28, 0xcf, 0x2f, 0xca, 0x49, 0xe1,
 			0x02, 0x00, 0x2d, 0x3b, 0x08, 0xaf, 0x0c, 0x00,
 			0x00, 0x00,
 		},
 		nil,
 	},
 	{ // concatenation
 		"hello.txt",
 		"hello.txt x2",
 		"hello world\n" +
 			"hello world\n",
 		[]byte{
 			0x1f, 0x8b, 0x08, 0x08, 0xc8, 0x58, 0x13, 0x4a,
 			0x00, 0x03, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x2e,
 			0x74, 0x78, 0x74, 0x00, 0xcb, 0x48, 0xcd, 0xc9,
 			0xc9, 0x57, 0x28, 0xcf, 0x2f, 0xca, 0x49, 0xe1,
 			0x02, 0x00, 0x2d, 0x3b, 0x08, 0xaf, 0x0c, 0x00,
 			0x00, 0x00,
 			0x1f, 0x8b, 0x08, 0x08, 0xc8, 0x58, 0x13, 0x4a,
 			0x00, 0x03, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x2e,
 			0x74, 0x78, 0x74, 0x00, 0xcb, 0x48, 0xcd, 0xc9,
 			0xc9, 0x57, 0x28, 0xcf, 0x2f, 0xca, 0x49, 0xe1,
 			0x02, 0x00, 0x2d, 0x3b, 0x08, 0xaf, 0x0c, 0x00,
 			0x00, 0x00,
 		},
 		nil,
 	},
 	{ // has a fixed huffman block with some length-distance pairs
 		"shesells.txt",
 		"shesells.txt",
 		"she sells seashells by the seashore\n",
 		[]byte{
 			0x1f, 0x8b, 0x08, 0x08, 0x72, 0x66, 0x8b, 0x4a,
 			0x00, 0x03, 0x73, 0x68, 0x65, 0x73, 0x65, 0x6c,
 			0x6c, 0x73, 0x2e, 0x74, 0x78, 0x74, 0x00, 0x2b,
 			0xce, 0x48, 0x55, 0x28, 0x4e, 0xcd, 0xc9, 0x29,
 			0x06, 0x92, 0x89, 0xc5, 0x19, 0x60, 0x56, 0x52,
 			0xa5, 0x42, 0x09, 0x58, 0x18, 0x28, 0x90, 0x5f,
 			0x94, 0xca, 0x05, 0x00, 0x76, 0xb0, 0x3b, 0xeb,
 			0x24, 0x00, 0x00, 0x00,
 		},
 		nil,
 	},
 	{ // has dynamic huffman blocks
 		"gettysburg",
 		"gettysburg",
 		"  Four score and seven years ago our fathers brought forth on\n" +
 			"this continent, a new nation, conceived in Liberty, and dedicated\n" +
 			"to the proposition that all men are created equal.\n" +
 			"  Now we are engaged in a great Civil War, testing whether that\n" +
 			"nation, or any nation so conceived and so dedicated, can long\n" +
 			"endure.\n" +
 			"  We are met on a great battle-field of that war.\n" +
 			"  We have come to dedicate a portion of that field, as a final\n" +
 			"resting place for those who here gave their lives that that\n" +
 			"nation might live.  It is altogether fitting and proper that\n" +
 			"we should do this.\n" +
 			"  But, in a larger sense, we can not dedicate — we can not\n" +
 			"consecrate — we can not hallow — this ground.\n" +
 			"  The brave men, living and dead, who struggled here, have\n" +
 			"consecrated it, far above our poor power to add or detract.\n" +
 			"The world will little note, nor long remember what we say here,\n" +
 			"but it can never forget what they did here.\n" +
 			"  It is for us the living, rather, to be dedicated here to the\n" +
 			"unfinished work which they who fought here have thus far so\n" +
 			"nobly advanced.  It is rather for us to be here dedicated to\n" +
 			"the great task remaining before us — that from these honored\n" +
 			"dead we take increased devotion to that cause for which they\n" +
 			"gave the last full measure of devotion —\n" +
 			"  that we here highly resolve that these dead shall not have\n" +
 			"died in vain — that this nation, under God, shall have a new\n" +
 			"birth of freedom — and that government of the people, by the\n" +
 			"people, for the people, shall not perish from this earth.\n" +
 			"\n" +
 			"Abraham Lincoln, November 19, 1863, Gettysburg, Pennsylvania\n",
 		[]byte{
 			0x1f, 0x8b, 0x08, 0x08, 0xd1, 0x12, 0x2b, 0x4a,
 			0x00, 0x03, 0x67, 0x65, 0x74, 0x74, 0x79, 0x73,
 			0x62, 0x75, 0x72, 0x67, 0x00, 0x65, 0x54, 0xcd,
 			0x6e, 0xd4, 0x30, 0x10, 0xbe, 0xfb, 0x29, 0xe6,
 			0x01, 0x42, 0xa5, 0x0a, 0x09, 0xc1, 0x11, 0x90,
 			0x40, 0x48, 0xa8, 0xe2, 0x80, 0xd4, 0xf3, 0x24,
 			0x9e, 0x24, 0x56, 0xbd, 0x9e, 0xc5, 0x76, 0x76,
 			0x95, 0x1b, 0x0f, 0xc1, 0x13, 0xf2, 0x24, 0x7c,
 			0x63, 0x77, 0x9b, 0x4a, 0x5c, 0xaa, 0x6e, 0x6c,
 			0xcf, 0x7c, 0x7f, 0x33, 0x44, 0x5f, 0x74, 0xcb,
 			0x54, 0x26, 0xcd, 0x42, 0x9c, 0x3c, 0x15, 0xb9,
 			0x48, 0xa2, 0x5d, 0x38, 0x17, 0xe2, 0x45, 0xc9,
 			0x4e, 0x67, 0xae, 0xab, 0xe0, 0xf7, 0x98, 0x75,
 			0x5b, 0xd6, 0x4a, 0xb3, 0xe6, 0xba, 0x92, 0x26,
 			0x57, 0xd7, 0x50, 0x68, 0xd2, 0x54, 0x43, 0x92,
 			0x54, 0x07, 0x62, 0x4a, 0x72, 0xa5, 0xc4, 0x35,
 			0x68, 0x1a, 0xec, 0x60, 0x92, 0x70, 0x11, 0x4f,
 			0x21, 0xd1, 0xf7, 0x30, 0x4a, 0xae, 0xfb, 0xd0,
 			0x9a, 0x78, 0xf1, 0x61, 0xe2, 0x2a, 0xde, 0x55,
 			0x25, 0xd4, 0xa6, 0x73, 0xd6, 0xb3, 0x96, 0x60,
 			0xef, 0xf0, 0x9b, 0x2b, 0x71, 0x8c, 0x74, 0x02,
 			0x10, 0x06, 0xac, 0x29, 0x8b, 0xdd, 0x25, 0xf9,
 			0xb5, 0x71, 0xbc, 0x73, 0x44, 0x0f, 0x7a, 0xa5,
 			0xab, 0xb4, 0x33, 0x49, 0x0b, 0x2f, 0xbd, 0x03,
 			0xd3, 0x62, 0x17, 0xe9, 0x73, 0xb8, 0x84, 0x48,
 			0x8f, 0x9c, 0x07, 0xaa, 0x52, 0x00, 0x6d, 0xa1,
 			0xeb, 0x2a, 0xc6, 0xa0, 0x95, 0x76, 0x37, 0x78,
 			0x9a, 0x81, 0x65, 0x7f, 0x46, 0x4b, 0x45, 0x5f,
 			0xe1, 0x6d, 0x42, 0xe8, 0x01, 0x13, 0x5c, 0x38,
 			0x51, 0xd4, 0xb4, 0x38, 0x49, 0x7e, 0xcb, 0x62,
 			0x28, 0x1e, 0x3b, 0x82, 0x93, 0x54, 0x48, 0xf1,
 			0xd2, 0x7d, 0xe4, 0x5a, 0xa3, 0xbc, 0x99, 0x83,
 			0x44, 0x4f, 0x3a, 0x77, 0x36, 0x57, 0xce, 0xcf,
 			0x2f, 0x56, 0xbe, 0x80, 0x90, 0x9e, 0x84, 0xea,
 			0x51, 0x1f, 0x8f, 0xcf, 0x90, 0xd4, 0x60, 0xdc,
 			0x5e, 0xb4, 0xf7, 0x10, 0x0b, 0x26, 0xe0, 0xff,
 			0xc4, 0xd1, 0xe5, 0x67, 0x2e, 0xe7, 0xc8, 0x93,
 			0x98, 0x05, 0xb8, 0xa8, 0x45, 0xc0, 0x4d, 0x09,
 			0xdc, 0x84, 0x16, 0x2b, 0x0d, 0x9a, 0x21, 0x53,
 			0x04, 0x8b, 0xd2, 0x0b, 0xbd, 0xa2, 0x4c, 0xa7,
 			0x60, 0xee, 0xd9, 0xe1, 0x1d, 0xd1, 0xb7, 0x4a,
 			0x30, 0x8f, 0x63, 0xd5, 0xa5, 0x8b, 0x33, 0x87,
 			0xda, 0x1a, 0x18, 0x79, 0xf3, 0xe3, 0xa6, 0x17,
 			0x94, 0x2e, 0xab, 0x6e, 0xa0, 0xe3, 0xcd, 0xac,
 			0x50, 0x8c, 0xca, 0xa7, 0x0d, 0x76, 0x37, 0xd1,
 			0x23, 0xe7, 0x05, 0x57, 0x8b, 0xa4, 0x22, 0x83,
 			0xd9, 0x62, 0x52, 0x25, 0xad, 0x07, 0xbb, 0xbf,
 			0xbf, 0xff, 0xbc, 0xfa, 0xee, 0x20, 0x73, 0x91,
 			0x29, 0xff, 0x7f, 0x02, 0x71, 0x62, 0x84, 0xb5,
 			0xf6, 0xb5, 0x25, 0x6b, 0x41, 0xde, 0x92, 0xb7,
 			0x76, 0x3f, 0x91, 0x91, 0x31, 0x1b, 0x41, 0x84,
 			0x62, 0x30, 0x0a, 0x37, 0xa4, 0x5e, 0x18, 0x3a,
 			0x99, 0x08, 0xa5, 0xe6, 0x6d, 0x59, 0x22, 0xec,
 			0x33, 0x39, 0x86, 0x26, 0xf5, 0xab, 0x66, 0xc8,
 			0x08, 0x20, 0xcf, 0x0c, 0xd7, 0x47, 0x45, 0x21,
 			0x0b, 0xf6, 0x59, 0xd5, 0xfe, 0x5c, 0x8d, 0xaa,
 			0x12, 0x7b, 0x6f, 0xa1, 0xf0, 0x52, 0x33, 0x4f,
 			0xf5, 0xce, 0x59, 0xd3, 0xab, 0x66, 0x10, 0xbf,
 			0x06, 0xc4, 0x31, 0x06, 0x73, 0xd6, 0x80, 0xa2,
 			0x78, 0xc2, 0x45, 0xcb, 0x03, 0x65, 0x39, 0xc9,
 			0x09, 0xd1, 0x06, 0x04, 0x33, 0x1a, 0x5a, 0xf1,
 			0xde, 0x01, 0xb8, 0x71, 0x83, 0xc4, 0xb5, 0xb3,
 			0xc3, 0x54, 0x65, 0x33, 0x0d, 0x5a, 0xf7, 0x9b,
 			0x90, 0x7c, 0x27, 0x1f, 0x3a, 0x58, 0xa3, 0xd8,
 			0xfd, 0x30, 0x5f, 0xb7, 0xd2, 0x66, 0xa2, 0x93,
 			0x1c, 0x28, 0xb7, 0xe9, 0x1b, 0x0c, 0xe1, 0x28,
 			0x47, 0x26, 0xbb, 0xe9, 0x7d, 0x7e, 0xdc, 0x96,
 			0x10, 0x92, 0x50, 0x56, 0x7c, 0x06, 0xe2, 0x27,
 			0xb4, 0x08, 0xd3, 0xda, 0x7b, 0x98, 0x34, 0x73,
 			0x9f, 0xdb, 0xf6, 0x62, 0xed, 0x31, 0x41, 0x13,
 			0xd3, 0xa2, 0xa8, 0x4b, 0x3a, 0xc6, 0x1d, 0xe4,
 			0x2f, 0x8c, 0xf8, 0xfb, 0x97, 0x64, 0xf4, 0xb6,
 			0x2f, 0x80, 0x5a, 0xf3, 0x56, 0xe0, 0x40, 0x50,
 			0xd5, 0x19, 0xd0, 0x1e, 0xfc, 0xca, 0xe5, 0xc9,
 			0xd4, 0x60, 0x00, 0x81, 0x2e, 0xa3, 0xcc, 0xb6,
 			0x52, 0xf0, 0xb4, 0xdb, 0x69, 0x99, 0xce, 0x7a,
 			0x32, 0x4c, 0x08, 0xed, 0xaa, 0x10, 0x10, 0xe3,
 			0x6f, 0xee, 0x99, 0x68, 0x95, 0x9f, 0x04, 0x71,
 			0xb2, 0x49, 0x2f, 0x62, 0xa6, 0x5e, 0xb4, 0xef,
 			0x02, 0xed, 0x4f, 0x27, 0xde, 0x4a, 0x0f, 0xfd,
 			0xc1, 0xcc, 0xdd, 0x02, 0x8f, 0x08, 0x16, 0x54,
 			0xdf, 0xda, 0xca, 0xe0, 0x82, 0xf1, 0xb4, 0x31,
 			0x7a, 0xa9, 0x81, 0xfe, 0x90, 0xb7, 0x3e, 0xdb,
 			0xd3, 0x35, 0xc0, 0x20, 0x80, 0x33, 0x46, 0x4a,
 			0x63, 0xab, 0xd1, 0x0d, 0x29, 0xd2, 0xe2, 0x84,
 			0xb8, 0xdb, 0xfa, 0xe9, 0x89, 0x44, 0x86, 0x7c,
 			0xe8, 0x0b, 0xe6, 0x02, 0x6a, 0x07, 0x9b, 0x96,
 			0xd0, 0xdb, 0x2e, 0x41, 0x4c, 0xa1, 0xd5, 0x57,
 			0x45, 0x14, 0xfb, 0xe3, 0xa6, 0x72, 0x5b, 0x87,
 			0x6e, 0x0c, 0x6d, 0x5b, 0xce, 0xe0, 0x2f, 0xe2,
 			0x21, 0x81, 0x95, 0xb0, 0xe8, 0xb6, 0x32, 0x0b,
 			0xb2, 0x98, 0x13, 0x52, 0x5d, 0xfb, 0xec, 0x63,
 			0x17, 0x8a, 0x9e, 0x23, 0x22, 0x36, 0xee, 0xcd,
 			0xda, 0xdb, 0xcf, 0x3e, 0xf1, 0xc7, 0xf1, 0x01,
 			0x12, 0x93, 0x0a, 0xeb, 0x6f, 0xf2, 0x02, 0x15,
 			0x96, 0x77, 0x5d, 0xef, 0x9c, 0xfb, 0x88, 0x91,
 			0x59, 0xf9, 0x84, 0xdd, 0x9b, 0x26, 0x8d, 0x80,
 			0xf9, 0x80, 0x66, 0x2d, 0xac, 0xf7, 0x1f, 0x06,
 			0xba, 0x7f, 0xff, 0xee, 0xed, 0x40, 0x5f, 0xa5,
 			0xd6, 0xbd, 0x8c, 0x5b, 0x46, 0xd2, 0x7e, 0x48,
 			0x4a, 0x65, 0x8f, 0x08, 0x42, 0x60, 0xf7, 0x0f,
 			0xb9, 0x16, 0x0b, 0x0c, 0x1a, 0x06, 0x00, 0x00,
 		},
 		nil,
 	},
 	{ // has 1 non-empty fixed huffman block then garbage
 		"hello.txt",
 		"hello.txt + garbage",
 		"hello world\n",
 		[]byte{
 			0x1f, 0x8b, 0x08, 0x08, 0xc8, 0x58, 0x13, 0x4a,
 			0x00, 0x03, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x2e,
 			0x74, 0x78, 0x74, 0x00, 0xcb, 0x48, 0xcd, 0xc9,
 			0xc9, 0x57, 0x28, 0xcf, 0x2f, 0xca, 0x49, 0xe1,
 			0x02, 0x00, 0x2d, 0x3b, 0x08, 0xaf, 0x0c, 0x00,
 			0x00, 0x00, 'g', 'a', 'r', 'b', 'a', 'g', 'e', '!', '!', '!',
 		},
 		ErrHeader,
 	},
 	{ // has 1 non-empty fixed huffman block not enough header
 		"hello.txt",
 		"hello.txt + garbage",
 		"hello world\n",
 		[]byte{
 			0x1f, 0x8b, 0x08, 0x08, 0xc8, 0x58, 0x13, 0x4a,
 			0x00, 0x03, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x2e,
 			0x74, 0x78, 0x74, 0x00, 0xcb, 0x48, 0xcd, 0xc9,
 			0xc9, 0x57, 0x28, 0xcf, 0x2f, 0xca, 0x49, 0xe1,
 			0x02, 0x00, 0x2d, 0x3b, 0x08, 0xaf, 0x0c, 0x00,
 			0x00, 0x00, gzipID1,
 		},
 		io.ErrUnexpectedEOF,
 	},
 	{ // has 1 non-empty fixed huffman block but corrupt checksum
 		"hello.txt",
 		"hello.txt + corrupt checksum",
 		"hello world\n",
 		[]byte{
 			0x1f, 0x8b, 0x08, 0x08, 0xc8, 0x58, 0x13, 0x4a,
 			0x00, 0x03, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x2e,
 			0x74, 0x78, 0x74, 0x00, 0xcb, 0x48, 0xcd, 0xc9,
 			0xc9, 0x57, 0x28, 0xcf, 0x2f, 0xca, 0x49, 0xe1,
 			0x02, 0x00, 0xff, 0xff, 0xff, 0xff, 0x0c, 0x00,
 			0x00, 0x00,
 		},
 		ErrChecksum,
 	},
 	{ // has 1 non-empty fixed huffman block but corrupt size
 		"hello.txt",
 		"hello.txt + corrupt size",
 		"hello world\n",
 		[]byte{
 			0x1f, 0x8b, 0x08, 0x08, 0xc8, 0x58, 0x13, 0x4a,
 			0x00, 0x03, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x2e,
 			0x74, 0x78, 0x74, 0x00, 0xcb, 0x48, 0xcd, 0xc9,
 			0xc9, 0x57, 0x28, 0xcf, 0x2f, 0xca, 0x49, 0xe1,
 			0x02, 0x00, 0x2d, 0x3b, 0x08, 0xaf, 0xff, 0x00,
 			0x00, 0x00,
 		},
 		ErrChecksum,
 	},
 }

 func TestDecompressor(t *testing.T) {
 	b := new(bytes.Buffer)
 	for _, tt := range gunzipTests {
 		in := bytes.NewBuffer(tt.gzip)
 		gzip, err := NewReader(in)
 		if err != nil {
 			t.Errorf("%s: NewReader: %s", tt.name, err)
 			continue
 		}
 		defer gzip.Close()
 		if tt.name != gzip.Name {
 			t.Errorf("%s: got name %s", tt.name, gzip.Name)
 		}
 		b.Reset()
 		n, err := io.Copy(b, gzip)
 		if err != tt.err {
 			t.Errorf("%s: io.Copy: %v want %v", tt.name, err, tt.err)
 		}
 		s := b.String()
 		if s != tt.raw {
 			t.Errorf("%s: got %d-byte %q want %d-byte %q", tt.name, n, s, len(tt.raw), tt.raw)
 		}
 	}
 }
	// Copyright 2009 The Go Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style
	// license that can be found in the LICENSE file.

	package gzip

	import (
	"bytes"
	"io"
	"testing"
	)

	type gunzipTest struct {
	name string
	desc string
	raw string
	gzip []byte
	err error
	}

	var gunzipTests = []gunzipTest{
	{ // has 1 empty fixed-huffman block
	"empty.txt",
	"empty.txt",
	"",
	[]byte{
	0x1f, 0x8b, 0x08, 0x08, 0xf7, 0x5e, 0x14, 0x4a,
	0x00, 0x03, 0x65, 0x6d, 0x70, 0x74, 0x79, 0x2e,
	0x74, 0x78, 0x74, 0x00, 0x03, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	},
	nil,
	},
	{ // has 1 non-empty fixed huffman block
	"hello.txt",
	"hello.txt",
	"hello world\n",
	[]byte{
	0x1f, 0x8b, 0x08, 0x08, 0xc8, 0x58, 0x13, 0x4a,
	0x00, 0x03, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x2e,
	0x74, 0x78, 0x74, 0x00, 0xcb, 0x48, 0xcd, 0xc9,
	0xc9, 0x57, 0x28, 0xcf, 0x2f, 0xca, 0x49, 0xe1,
	0x02, 0x00, 0x2d, 0x3b, 0x08, 0xaf, 0x0c, 0x00,
	0x00, 0x00,
	},
	nil,
	},
	{ // concatenation
	"hello.txt",
	"hello.txt x2",
	"hello world\n" +
	"hello world\n",
	[]byte{
	0x1f, 0x8b, 0x08, 0x08, 0xc8, 0x58, 0x13, 0x4a,
	0x00, 0x03, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x2e,
	0x74, 0x78, 0x74, 0x00, 0xcb, 0x48, 0xcd, 0xc9,
	0xc9, 0x57, 0x28, 0xcf, 0x2f, 0xca, 0x49, 0xe1,
	0x02, 0x00, 0x2d, 0x3b, 0x08, 0xaf, 0x0c, 0x00,
	0x00, 0x00,
	0x1f, 0x8b, 0x08, 0x08, 0xc8, 0x58, 0x13, 0x4a,
	0x00, 0x03, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x2e,
	0x74, 0x78, 0x74, 0x00, 0xcb, 0x48, 0xcd, 0xc9,
	0xc9, 0x57, 0x28, 0xcf, 0x2f, 0xca, 0x49, 0xe1,
	0x02, 0x00, 0x2d, 0x3b, 0x08, 0xaf, 0x0c, 0x00,
	0x00, 0x00,
	},
	nil,
	},
	{ // has a fixed huffman block with some length-distance pairs
	"shesells.txt",
	"shesells.txt",
	"she sells seashells by the seashore\n",
	[]byte{
	0x1f, 0x8b, 0x08, 0x08, 0x72, 0x66, 0x8b, 0x4a,
	0x00, 0x03, 0x73, 0x68, 0x65, 0x73, 0x65, 0x6c,
	0x6c, 0x73, 0x2e, 0x74, 0x78, 0x74, 0x00, 0x2b,
	0xce, 0x48, 0x55, 0x28, 0x4e, 0xcd, 0xc9, 0x29,
	0x06, 0x92, 0x89, 0xc5, 0x19, 0x60, 0x56, 0x52,
	0xa5, 0x42, 0x09, 0x58, 0x18, 0x28, 0x90, 0x5f,
	0x94, 0xca, 0x05, 0x00, 0x76, 0xb0, 0x3b, 0xeb,
	0x24, 0x00, 0x00, 0x00,
	},
	nil,
	},
	{ // has dynamic huffman blocks
	"gettysburg",
	"gettysburg",
	" Four score and seven years ago our fathers brought forth on\n" +
	"this continent, a new nation, conceived in Liberty, and dedicated\n" +
	"to the proposition that all men are created equal.\n" +
	" Now we are engaged in a great Civil War, testing whether that\n" +
	"nation, or any nation so conceived and so dedicated, can long\n" +
	"endure.\n" +
	" We are met on a great battle-field of that war.\n" +
	" We have come to dedicate a portion of that field, as a final\n" +
	"resting place for those who here gave their lives that that\n" +
	"nation might live. It is altogether fitting and proper that\n" +
	"we should do this.\n" +
	" But, in a larger sense, we can not dedicate — we can not\n" +
	"consecrate — we can not hallow — this ground.\n" +
	" The brave men, living and dead, who struggled here, have\n" +
	"consecrated it, far above our poor power to add or detract.\n" +
	"The world will little note, nor long remember what we say here,\n" +
	"but it can never forget what they did here.\n" +
	" It is for us the living, rather, to be dedicated here to the\n" +
	"unfinished work which they who fought here have thus far so\n" +
	"nobly advanced. It is rather for us to be here dedicated to\n" +
	"the great task remaining before us — that from these honored\n" +
	"dead we take increased devotion to that cause for which they\n" +
	"gave the last full measure of devotion —\n" +
	" that we here highly resolve that these dead shall not have\n" +
	"died in vain — that this nation, under God, shall have a new\n" +
	"birth of freedom — and that government of the people, by the\n" +
	"people, for the people, shall not perish from this earth.\n" +
	"\n" +
	"Abraham Lincoln, November 19, 1863, Gettysburg, Pennsylvania\n",
	[]byte{
	0x1f, 0x8b, 0x08, 0x08, 0xd1, 0x12, 0x2b, 0x4a,
	0x00, 0x03, 0x67, 0x65, 0x74, 0x74, 0x79, 0x73,
	0x62, 0x75, 0x72, 0x67, 0x00, 0x65, 0x54, 0xcd,
	0x6e, 0xd4, 0x30, 0x10, 0xbe, 0xfb, 0x29, 0xe6,
	0x01, 0x42, 0xa5, 0x0a, 0x09, 0xc1, 0x11, 0x90,
	0x40, 0x48, 0xa8, 0xe2, 0x80, 0xd4, 0xf3, 0x24,
	0x9e, 0x24, 0x56, 0xbd, 0x9e, 0xc5, 0x76, 0x76,
	0x95, 0x1b, 0x0f, 0xc1, 0x13, 0xf2, 0x24, 0x7c,
	0x63, 0x77, 0x9b, 0x4a, 0x5c, 0xaa, 0x6e, 0x6c,
	0xcf, 0x7c, 0x7f, 0x33, 0x44, 0x5f, 0x74, 0xcb,
	0x54, 0x26, 0xcd, 0x42, 0x9c, 0x3c, 0x15, 0xb9,
	0x48, 0xa2, 0x5d, 0x38, 0x17, 0xe2, 0x45, 0xc9,
	0x4e, 0x67, 0xae, 0xab, 0xe0, 0xf7, 0x98, 0x75,
	0x5b, 0xd6, 0x4a, 0xb3, 0xe6, 0xba, 0x92, 0x26,
	0x57, 0xd7, 0x50, 0x68, 0xd2, 0x54, 0x43, 0x92,
	0x54, 0x07, 0x62, 0x4a, 0x72, 0xa5, 0xc4, 0x35,
	0x68, 0x1a, 0xec, 0x60, 0x92, 0x70, 0x11, 0x4f,
	0x21, 0xd1, 0xf7, 0x30, 0x4a, 0xae, 0xfb, 0xd0,
	0x9a, 0x78, 0xf1, 0x61, 0xe2, 0x2a, 0xde, 0x55,
	0x25, 0xd4, 0xa6, 0x73, 0xd6, 0xb3, 0x96, 0x60,
	0xef, 0xf0, 0x9b, 0x2b, 0x71, 0x8c, 0x74, 0x02,
	0x10, 0x06, 0xac, 0x29, 0x8b, 0xdd, 0x25, 0xf9,
	0xb5, 0x71, 0xbc, 0x73, 0x44, 0x0f, 0x7a, 0xa5,
	0xab, 0xb4, 0x33, 0x49, 0x0b, 0x2f, 0xbd, 0x03,
	0xd3, 0x62, 0x17, 0xe9, 0x73, 0xb8, 0x84, 0x48,
	0x8f, 0x9c, 0x07, 0xaa, 0x52, 0x00, 0x6d, 0xa1,
	0xeb, 0x2a, 0xc6, 0xa0, 0x95, 0x76, 0x37, 0x78,
	0x9a, 0x81, 0x65, 0x7f, 0x46, 0x4b, 0x45, 0x5f,
	0xe1, 0x6d, 0x42, 0xe8, 0x01, 0x13, 0x5c, 0x38,
	0x51, 0xd4, 0xb4, 0x38, 0x49, 0x7e, 0xcb, 0x62,
	0x28, 0x1e, 0x3b, 0x82, 0x93, 0x54, 0x48, 0xf1,
	0xd2, 0x7d, 0xe4, 0x5a, 0xa3, 0xbc, 0x99, 0x83,
	0x44, 0x4f, 0x3a, 0x77, 0x36, 0x57, 0xce, 0xcf,
	0x2f, 0x56, 0xbe, 0x80, 0x90, 0x9e, 0x84, 0xea,
	0x51, 0x1f, 0x8f, 0xcf, 0x90, 0xd4, 0x60, 0xdc,
	0x5e, 0xb4, 0xf7, 0x10, 0x0b, 0x26, 0xe0, 0xff,
	0xc4, 0xd1, 0xe5, 0x67, 0x2e, 0xe7, 0xc8, 0x93,
	0x98, 0x05, 0xb8, 0xa8, 0x45, 0xc0, 0x4d, 0x09,
	0xdc, 0x84, 0x16, 0x2b, 0x0d, 0x9a, 0x21, 0x53,
	0x04, 0x8b, 0xd2, 0x0b, 0xbd, 0xa2, 0x4c, 0xa7,
	0x60, 0xee, 0xd9, 0xe1, 0x1d, 0xd1, 0xb7, 0x4a,
	0x30, 0x8f, 0x63, 0xd5, 0xa5, 0x8b, 0x33, 0x87,
	0xda, 0x1a, 0x18, 0x79, 0xf3, 0xe3, 0xa6, 0x17,
	0x94, 0x2e, 0xab, 0x6e, 0xa0, 0xe3, 0xcd, 0xac,
	0x50, 0x8c, 0xca, 0xa7, 0x0d, 0x76, 0x37, 0xd1,
	0x23, 0xe7, 0x05, 0x57, 0x8b, 0xa4, 0x22, 0x83,
	0xd9, 0x62, 0x52, 0x25, 0xad, 0x07, 0xbb, 0xbf,
	0xbf, 0xff, 0xbc, 0xfa, 0xee, 0x20, 0x73, 0x91,
	0x29, 0xff, 0x7f, 0x02, 0x71, 0x62, 0x84, 0xb5,
	0xf6, 0xb5, 0x25, 0x6b, 0x41, 0xde, 0x92, 0xb7,
	0x76, 0x3f, 0x91, 0x91, 0x31, 0x1b, 0x41, 0x84,
	0x62, 0x30, 0x0a, 0x37, 0xa4, 0x5e, 0x18, 0x3a,
	0x99, 0x08, 0xa5, 0xe6, 0x6d, 0x59, 0x22, 0xec,
	0x33, 0x39, 0x86, 0x26, 0xf5, 0xab, 0x66, 0xc8,
	0x08, 0x20, 0xcf, 0x0c, 0xd7, 0x47, 0x45, 0x21,
	0x0b, 0xf6, 0x59, 0xd5, 0xfe, 0x5c, 0x8d, 0xaa,
	0x12, 0x7b, 0x6f, 0xa1, 0xf0, 0x52, 0x33, 0x4f,
	0xf5, 0xce, 0x59, 0xd3, 0xab, 0x66, 0x10, 0xbf,
	0x06, 0xc4, 0x31, 0x06, 0x73, 0xd6, 0x80, 0xa2,
	0x78, 0xc2, 0x45, 0xcb, 0x03, 0x65, 0x39, 0xc9,
	0x09, 0xd1, 0x06, 0x04, 0x33, 0x1a, 0x5a, 0xf1,
	0xde, 0x01, 0xb8, 0x71, 0x83, 0xc4, 0xb5, 0xb3,
	0xc3, 0x54, 0x65, 0x33, 0x0d, 0x5a, 0xf7, 0x9b,
	0x90, 0x7c, 0x27, 0x1f, 0x3a, 0x58, 0xa3, 0xd8,
	0xfd, 0x30, 0x5f, 0xb7, 0xd2, 0x66, 0xa2, 0x93,
	0x1c, 0x28, 0xb7, 0xe9, 0x1b, 0x0c, 0xe1, 0x28,
	0x47, 0x26, 0xbb, 0xe9, 0x7d, 0x7e, 0xdc, 0x96,
	0x10, 0x92, 0x50, 0x56, 0x7c, 0x06, 0xe2, 0x27,
	0xb4, 0x08, 0xd3, 0xda, 0x7b, 0x98, 0x34, 0x73,
	0x9f, 0xdb, 0xf6, 0x62, 0xed, 0x31, 0x41, 0x13,
	0xd3, 0xa2, 0xa8, 0x4b, 0x3a, 0xc6, 0x1d, 0xe4,
	0x2f, 0x8c, 0xf8, 0xfb, 0x97, 0x64, 0xf4, 0xb6,
	0x2f, 0x80, 0x5a, 0xf3, 0x56, 0xe0, 0x40, 0x50,
	0xd5, 0x19, 0xd0, 0x1e, 0xfc, 0xca, 0xe5, 0xc9,
	0xd4, 0x60, 0x00, 0x81, 0x2e, 0xa3, 0xcc, 0xb6,
	0x52, 0xf0, 0xb4, 0xdb, 0x69, 0x99, 0xce, 0x7a,
	0x32, 0x4c, 0x08, 0xed, 0xaa, 0x10, 0x10, 0xe3,
	0x6f, 0xee, 0x99, 0x68, 0x95, 0x9f, 0x04, 0x71,
	0xb2, 0x49, 0x2f, 0x62, 0xa6, 0x5e, 0xb4, 0xef,
	0x02, 0xed, 0x4f, 0x27, 0xde, 0x4a, 0x0f, 0xfd,
	0xc1, 0xcc, 0xdd, 0x02, 0x8f, 0x08, 0x16, 0x54,
	0xdf, 0xda, 0xca, 0xe0, 0x82, 0xf1, 0xb4, 0x31,
	0x7a, 0xa9, 0x81, 0xfe, 0x90, 0xb7, 0x3e, 0xdb,
	0xd3, 0x35, 0xc0, 0x20, 0x80, 0x33, 0x46, 0x4a,
	0x63, 0xab, 0xd1, 0x0d, 0x29, 0xd2, 0xe2, 0x84,
	0xb8, 0xdb, 0xfa, 0xe9, 0x89, 0x44, 0x86, 0x7c,
	0xe8, 0x0b, 0xe6, 0x02, 0x6a, 0x07, 0x9b, 0x96,
	0xd0, 0xdb, 0x2e, 0x41, 0x4c, 0xa1, 0xd5, 0x57,
	0x45, 0x14, 0xfb, 0xe3, 0xa6, 0x72, 0x5b, 0x87,
	0x6e, 0x0c, 0x6d, 0x5b, 0xce, 0xe0, 0x2f, 0xe2,
	0x21, 0x81, 0x95, 0xb0, 0xe8, 0xb6, 0x32, 0x0b,
	0xb2, 0x98, 0x13, 0x52, 0x5d, 0xfb, 0xec, 0x63,
	0x17, 0x8a, 0x9e, 0x23, 0x22, 0x36, 0xee, 0xcd,
	0xda, 0xdb, 0xcf, 0x3e, 0xf1, 0xc7, 0xf1, 0x01,
	0x12, 0x93, 0x0a, 0xeb, 0x6f, 0xf2, 0x02, 0x15,
	0x96, 0x77, 0x5d, 0xef, 0x9c, 0xfb, 0x88, 0x91,
	0x59, 0xf9, 0x84, 0xdd, 0x9b, 0x26, 0x8d, 0x80,
	0xf9, 0x80, 0x66, 0x2d, 0xac, 0xf7, 0x1f, 0x06,
	0xba, 0x7f, 0xff, 0xee, 0xed, 0x40, 0x5f, 0xa5,
	0xd6, 0xbd, 0x8c, 0x5b, 0x46, 0xd2, 0x7e, 0x48,
	0x4a, 0x65, 0x8f, 0x08, 0x42, 0x60, 0xf7, 0x0f,
	0xb9, 0x16, 0x0b, 0x0c, 0x1a, 0x06, 0x00, 0x00,
	},
	nil,
	},
	{ // has 1 non-empty fixed huffman block then garbage
	"hello.txt",
	"hello.txt + garbage",
	"hello world\n",
	[]byte{
	0x1f, 0x8b, 0x08, 0x08, 0xc8, 0x58, 0x13, 0x4a,
	0x00, 0x03, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x2e,
	0x74, 0x78, 0x74, 0x00, 0xcb, 0x48, 0xcd, 0xc9,
	0xc9, 0x57, 0x28, 0xcf, 0x2f, 0xca, 0x49, 0xe1,
	0x02, 0x00, 0x2d, 0x3b, 0x08, 0xaf, 0x0c, 0x00,
	0x00, 0x00, 'g', 'a', 'r', 'b', 'a', 'g', 'e', '!', '!', '!',
	},
	ErrHeader,
	},
	{ // has 1 non-empty fixed huffman block not enough header
	"hello.txt",
	"hello.txt + garbage",
	"hello world\n",
	[]byte{
	0x1f, 0x8b, 0x08, 0x08, 0xc8, 0x58, 0x13, 0x4a,
	0x00, 0x03, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x2e,
	0x74, 0x78, 0x74, 0x00, 0xcb, 0x48, 0xcd, 0xc9,
	0xc9, 0x57, 0x28, 0xcf, 0x2f, 0xca, 0x49, 0xe1,
	0x02, 0x00, 0x2d, 0x3b, 0x08, 0xaf, 0x0c, 0x00,
	0x00, 0x00, gzipID1,
	},
	io.ErrUnexpectedEOF,
	},
	{ // has 1 non-empty fixed huffman block but corrupt checksum
	"hello.txt",
	"hello.txt + corrupt checksum",
	"hello world\n",
	[]byte{
	0x1f, 0x8b, 0x08, 0x08, 0xc8, 0x58, 0x13, 0x4a,
	0x00, 0x03, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x2e,
	0x74, 0x78, 0x74, 0x00, 0xcb, 0x48, 0xcd, 0xc9,
	0xc9, 0x57, 0x28, 0xcf, 0x2f, 0xca, 0x49, 0xe1,
	0x02, 0x00, 0xff, 0xff, 0xff, 0xff, 0x0c, 0x00,
	0x00, 0x00,
	},
	ErrChecksum,
	},
	{ // has 1 non-empty fixed huffman block but corrupt size
	"hello.txt",
	"hello.txt + corrupt size",
	"hello world\n",
	[]byte{
	0x1f, 0x8b, 0x08, 0x08, 0xc8, 0x58, 0x13, 0x4a,
	0x00, 0x03, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x2e,
	0x74, 0x78, 0x74, 0x00, 0xcb, 0x48, 0xcd, 0xc9,
	0xc9, 0x57, 0x28, 0xcf, 0x2f, 0xca, 0x49, 0xe1,
	0x02, 0x00, 0x2d, 0x3b, 0x08, 0xaf, 0xff, 0x00,
	0x00, 0x00,
	},
	ErrChecksum,
	},
	}

	func TestDecompressor(t *testing.T) {
	b := new(bytes.Buffer)
	for _, tt := range gunzipTests {
	in := bytes.NewBuffer(tt.gzip)
	gzip, err := NewReader(in)
	if err != nil {
	t.Errorf("%s: NewReader: %s", tt.name, err)
	continue
	}
	defer gzip.Close()
	if tt.name != gzip.Name {
	t.Errorf("%s: got name %s", tt.name, gzip.Name)
	}
	b.Reset()
	n, err := io.Copy(b, gzip)
	if err != tt.err {
	t.Errorf("%s: io.Copy: %v want %v", tt.name, err, tt.err)
	}
	s := b.String()
	if s != tt.raw {
	t.Errorf("%s: got %d-byte %q want %d-byte %q", tt.name, n, s, len(tt.raw), tt.raw)
	}
	}
	}