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      1 // Copyright 2017 The Chromium OS Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef SRC_UNITTEST_COMMON_H_
      6 #define SRC_UNITTEST_COMMON_H_
      7 
      8 #include <string>
      9 #include <vector>
     10 
     11 #include "puffin/src/include/puffin/common.h"
     12 #include "puffin/src/set_errors.h"
     13 
     14 namespace puffin {
     15 
     16 // Utility class to delete a file when it goes out of scope.
     17 class ScopedPathUnlinker {
     18  public:
     19   explicit ScopedPathUnlinker(const std::string& path) : path_(path) {}
     20   ~ScopedPathUnlinker() {
     21     if (unlink(path_.c_str()) < 0) {
     22       LOG(ERROR) << "Failed to unlink: " << path_;
     23     }
     24   }
     25 
     26  private:
     27   const std::string path_;
     28 
     29   DISALLOW_COPY_AND_ASSIGN(ScopedPathUnlinker);
     30 };
     31 
     32 // Makes a temporary file as /tmp/puffin-XXXXXX. Both |filename| and |fd| are
     33 // optional, but if given, they will be populated with the new temporary file's
     34 // values.
     35 bool MakeTempFile(std::string* filename, int* fd);
     36 
     37 // clang-format off
     38 // Uncompressed deflate block.
     39 const Buffer kRaw1 = {0x01, 0x02, 0x03, 0x04, 0x05};
     40 const Buffer kDeflate1 = {
     41   0x01, 0x05, 0x00, 0xFA, 0xFF, 0x01, 0x02, 0x03, 0x04, 0x05};
     42 const Buffer kPuff1 = {
     43   0x00, 0x00, 0x80, 0x04, 0x01, 0x02, 0x03, 0x04, 0x05, 0xFF, 0x81};
     44 
     45 // Uncompressed deflate block with zero length.
     46 const Buffer kRaw1_1 = {};
     47 const Buffer kDeflate1_1 = {0x01, 0x00, 0x00, 0xFF, 0xFF};
     48 const Buffer kPuff1_1 = {0x00, 0x00, 0x80, 0xFF, 0x81};
     49 
     50 // Fixed huffman table compressed deflate.
     51 const Buffer kRaw2 = {0x01};
     52 const Buffer kDeflate2 = {0x63, 0x04, 0x00};
     53 const Buffer kPuff2 = {0x00, 0x00, 0xA0, 0x00, 0x01, 0xFF, 0x81};
     54 
     55 // Deflate of an empty buffer.
     56 const Buffer kRaw3 = {};
     57 const Buffer kDeflate3 = {0x03, 0x00};
     58 const Buffer kPuff3 = {0x00, 0x00, 0xA0, 0xFF, 0x81};
     59 
     60 // Deflate with fixed Huffman table.
     61 const Buffer kRaw4 = {0x01, 0x02, 0x03, 0x04, 0x05};
     62 const Buffer kDeflate4 = {0x63, 0x64, 0x62, 0x66, 0x61, 0x05, 0x00};
     63 const Buffer kPuff4 = {
     64   0x00, 0x00, 0xA0, 0x04, 0x01, 0x02, 0x03, 0x04, 0x05, 0xFF, 0x81};
     65 
     66 // Invalid LEN/NLEN for uncompressed deflate block.
     67 const Buffer kDeflate5 = {
     68   0x01, 0x05, 0x00, 0xFF, 0xFF, 0x01, 0x02, 0x03, 0x04, 0x05};
     69 
     70 // Deflate with invalid block header.
     71 const Buffer kDeflate6 = {0x07};
     72 
     73 // Deflate with final block bit unset.
     74 const Buffer kRaw7 = {0x01};
     75 const Buffer kDeflate7 = {0x62, 0x04, 0x00};
     76 const Buffer kPuff7 = {0x00, 0x00, 0x20, 0x00, 0x01, 0xFF, 0x81};
     77 
     78 // Two deflate buffers concatenated, neither have their final bit set.  It is a
     79 // valid deflate and puff buffer.
     80 const Buffer kRaw7_2 = {0x01, 0x01};
     81 const Buffer kDeflate7_2 = {0x62, 0x04, 0x88, 0x11, 0x00};
     82 const Buffer kPuff7_2 = {
     83   0x00, 0x00, 0x20, 0x00, 0x01, 0xFF, 0x81,
     84   0x00, 0x00, 0x20, 0x00, 0x01, 0xFF, 0x81};
     85 
     86 // Two deflate buffers concatenated, the first one has final bit set, second one
     87 // not. It is a valid deflate and puff buffer.
     88 const Buffer kRaw7_3 = {0x01, 0x01};
     89 const Buffer kDeflate7_3 = {0x63, 0x04, 0x88, 0x11, 0x00};
     90 const Buffer kPuff7_3 = {
     91   0x00, 0x00, 0xA0, 0x00, 0x01, 0xFF, 0x81,
     92   0x00, 0x00, 0x20, 0x00, 0x01, 0xFF, 0x81};
     93 
     94 // Two deflate buffers concatenated, both have final bits set. It is a valid
     95 // deflate and puff buffer.
     96 const Buffer kRaw7_4 = {0x01, 0x01};
     97 const Buffer kDeflate7_4 = {0x63, 0x04, 0x8C, 0x11, 0x00};
     98 const Buffer kPuff7_4 = {
     99   0x00, 0x00, 0xA0, 0x00, 0x01, 0xFF, 0x81,
    100   0x00, 0x00, 0xA0, 0x00, 0x01, 0xFF, 0x81};
    101 
    102 const Buffer kDeflates8 = {
    103   /* raw      0  */ 0x11, 0x22,
    104   /* deflate  2  */ 0x63, 0x64, 0x62, 0x66, 0x61, 0x05, 0x00,
    105   /* raw      9  */ 0x33,
    106   /* deflate  10 */ 0x03, 0x00,
    107   /* raw      12 */
    108   /* deflate  12 */ 0x63, 0x04, 0x00,
    109   /* raw      15 */ 0x44, 0x55
    110 };
    111 
    112 const Buffer kPuffs8 = {
    113   /* raw      0  */ 0x11, 0x22,
    114   /* puff     2  */ 0x00, 0x00, 0xA0, 0x04, 0x01, 0x02, 0x03, 0x04, 0x05, 0xFF,
    115                     0x81,
    116   /* raw      13 */ 0x00, 0x33,
    117   /* puff     15 */ 0x00, 0x00, 0xA0, 0xFF, 0x81,
    118   /* raw      20 */ 0x00,
    119   /* puff     21 */ 0x00, 0x00, 0xA0, 0x00, 0x01, 0xFF, 0x81,
    120   /* raw      28 */ 0x00, 0x44, 0x55
    121 };
    122 
    123 const std::vector<ByteExtent> kDeflateExtents8 = {{2, 7}, {10, 2}, {12, 3}};
    124 const std::vector<BitExtent> kSubblockDeflateExtents8 = {
    125   {16, 50}, {80, 10}, {96, 18}};
    126 const std::vector<ByteExtent> kPuffExtents8 = {{2, 11}, {15, 5}, {21, 7}};
    127 
    128 const Buffer kDeflates9 = {
    129   /* deflate  0  */ 0x63, 0x64, 0x62, 0x66, 0x61, 0x05, 0x00,
    130   /* raw      7  */ 0x33, 0x66,
    131   /* deflate  9  */ 0x01, 0x05, 0x00, 0xFA, 0xFF, 0x01, 0x02, 0x03, 0x04, 0x05,
    132   /* deflate  19 */ 0x63, 0x04, 0x00
    133 };
    134 
    135 const Buffer kPuffs9 = {
    136   /* puff      0 */ 0x00, 0x00, 0xA0, 0x04, 0x01, 0x02, 0x03, 0x04, 0x05, 0xFF,
    137                     0x81,
    138   /* raw      11 */ 0x00, 0x33, 0x66,
    139   /* puff     14 */ 0x00, 0x00, 0x80, 0x04, 0x01, 0x02, 0x03, 0x04, 0x05, 0xFF,
    140                     0x81,
    141   /* puff     25 */ 0x00, 0x00, 0xA0, 0x00, 0x01, 0xFF, 0x81,
    142   /* raw      32 */ 0x00,
    143 };
    144 
    145 const std::vector<ByteExtent> kDeflateExtents9 = {{0, 7}, {9, 10}, {19, 3}};
    146 const std::vector<BitExtent> kSubblockDeflateExtents9 = {
    147   {0, 50}, {72, 80}, {152, 18}};
    148 const std::vector<ByteExtent> kPuffExtents9 = {{0, 11}, {14, 11}, {25, 7}};
    149 
    150 const Buffer kPatch8To9 = {
    151   0x50, 0x55, 0x46, 0x31, 0x00, 0x00, 0x00, 0x51, 0x08, 0x01, 0x12, 0x27,
    152   0x0A, 0x04, 0x08, 0x10, 0x10, 0x32, 0x0A, 0x04, 0x08, 0x50, 0x10, 0x0A,
    153   0x0A, 0x04, 0x08, 0x60, 0x10, 0x12, 0x12, 0x04, 0x08, 0x10, 0x10, 0x58,
    154   0x12, 0x04, 0x08, 0x78, 0x10, 0x28, 0x12, 0x05, 0x08, 0xA8, 0x01, 0x10,
    155   0x38, 0x18, 0x1F, 0x1A, 0x24, 0x0A, 0x02, 0x10, 0x32, 0x0A, 0x04, 0x08,
    156   0x48, 0x10, 0x50, 0x0A, 0x05, 0x08, 0x98, 0x01, 0x10, 0x12, 0x12, 0x02,
    157   0x10, 0x58, 0x12, 0x04, 0x08, 0x70, 0x10, 0x58, 0x12, 0x05, 0x08, 0xC8,
    158   0x01, 0x10, 0x38, 0x18, 0x21, 0x42, 0x53, 0x44, 0x49, 0x46, 0x46, 0x34,
    159   0x30, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x34, 0x00, 0x00,
    160   0x00, 0x00, 0x00, 0x00, 0x00, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    161   0x00, 0x42, 0x5A, 0x68, 0x39, 0x31, 0x41, 0x59, 0x26, 0x53, 0x59, 0xD1,
    162   0x20, 0xBB, 0x7E, 0x00, 0x00, 0x03, 0x60, 0x40, 0x78, 0x0E, 0x08, 0x00,
    163   0x40, 0x00, 0x20, 0x00, 0x31, 0x06, 0x4C, 0x40, 0x92, 0x8F, 0x46, 0xA7,
    164   0xA8, 0xE0, 0xF3, 0xD6, 0x21, 0x12, 0xF4, 0xBC, 0x43, 0x32, 0x1F, 0x17,
    165   0x72, 0x45, 0x38, 0x50, 0x90, 0xD1, 0x20, 0xBB, 0x7E, 0x42, 0x5A, 0x68,
    166   0x39, 0x31, 0x41, 0x59, 0x26, 0x53, 0x59, 0xF1, 0x20, 0x5F, 0x0D, 0x00,
    167   0x00, 0x02, 0x41, 0x15, 0x42, 0x08, 0x20, 0x00, 0x40, 0x00, 0x00, 0x02,
    168   0x40, 0x00, 0x20, 0x00, 0x22, 0x3D, 0x23, 0x10, 0x86, 0x03, 0x96, 0x54,
    169   0x11, 0x16, 0x5F, 0x17, 0x72, 0x45, 0x38, 0x50, 0x90, 0xF1, 0x20, 0x5F,
    170   0x0D, 0x42, 0x5A, 0x68, 0x39, 0x31, 0x41, 0x59, 0x26, 0x53, 0x59, 0x07,
    171   0xD4, 0xCB, 0x6E, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x20, 0x00,
    172   0x21, 0x18, 0x46, 0x82, 0xEE, 0x48, 0xA7, 0x0A, 0x12, 0x00, 0xFA, 0x99,
    173   0x6D, 0xC0};
    174 
    175 const Buffer kPatch9To8 = {
    176   0x50, 0x55, 0x46, 0x31, 0x00, 0x00, 0x00, 0x51, 0x08, 0x01, 0x12, 0x24,
    177   0x0A, 0x02, 0x10, 0x32, 0x0A, 0x04, 0x08, 0x48, 0x10, 0x50, 0x0A, 0x05,
    178   0x08, 0x98, 0x01, 0x10, 0x12, 0x12, 0x02, 0x10, 0x58, 0x12, 0x04, 0x08,
    179   0x70, 0x10, 0x58, 0x12, 0x05, 0x08, 0xC8, 0x01, 0x10, 0x38, 0x18, 0x21,
    180   0x1A, 0x27, 0x0A, 0x04, 0x08, 0x10, 0x10, 0x32, 0x0A, 0x04, 0x08, 0x50,
    181   0x10, 0x0A, 0x0A, 0x04, 0x08, 0x60, 0x10, 0x12, 0x12, 0x04, 0x08, 0x10,
    182   0x10, 0x58, 0x12, 0x04, 0x08, 0x78, 0x10, 0x28, 0x12, 0x05, 0x08, 0xA8,
    183   0x01, 0x10, 0x38, 0x18, 0x1F, 0x42, 0x53, 0x44, 0x49, 0x46, 0x46, 0x34,
    184   0x30, 0x33, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x25, 0x00, 0x00,
    185   0x00, 0x00, 0x00, 0x00, 0x00, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    186   0x00, 0x42, 0x5A, 0x68, 0x39, 0x31, 0x41, 0x59, 0x26, 0x53, 0x59, 0x3D,
    187   0xBD, 0x08, 0x91, 0x00, 0x00, 0x01, 0xE0, 0x40, 0x5C, 0x0A, 0x40, 0x00,
    188   0x40, 0x00, 0x20, 0x00, 0x31, 0x0C, 0x08, 0x23, 0xD2, 0x34, 0xD1, 0xB1,
    189   0x73, 0x60, 0x44, 0x54, 0xE4, 0xFC, 0x5D, 0xC9, 0x14, 0xE1, 0x42, 0x40,
    190   0xF6, 0xF4, 0x22, 0x44, 0x42, 0x5A, 0x68, 0x39, 0x31, 0x41, 0x59, 0x26,
    191   0x53, 0x59, 0x41, 0x62, 0x2E, 0xF0, 0x00, 0x00, 0x00, 0x40, 0x00, 0x40,
    192   0x20, 0x20, 0x00, 0x21, 0x00, 0x82, 0x83, 0x17, 0x72, 0x45, 0x38, 0x50,
    193   0x90, 0x41, 0x62, 0x2E, 0xF0, 0x42, 0x5A, 0x68, 0x39, 0x31, 0x41, 0x59,
    194   0x26, 0x53, 0x59, 0xE0, 0x20, 0x04, 0x57, 0x00, 0x00, 0x04, 0x76, 0x50,
    195   0xE0, 0x00, 0x20, 0x00, 0x10, 0x00, 0x04, 0x00, 0x02, 0x00, 0x20, 0x00,
    196   0x40, 0x00, 0x00, 0x00, 0xA0, 0x00, 0x21, 0xA1, 0xA3, 0x10, 0x83, 0x26,
    197   0x21, 0x5E, 0xB2, 0x69, 0xAC, 0x70, 0x60, 0x53, 0xC5, 0xDC, 0x91, 0x4E,
    198   0x14, 0x24, 0x38, 0x08, 0x01, 0x15, 0xC0};
    199 
    200 const Buffer kPatch8ToEmpty = {
    201   0x50, 0x55, 0x46, 0x31, 0x00, 0x00, 0x00, 0x2D, 0x08, 0x01, 0x12, 0x27,
    202   0x0A, 0x04, 0x08, 0x10, 0x10, 0x32, 0x0A, 0x04, 0x08, 0x50, 0x10, 0x0A,
    203   0x0A, 0x04, 0x08, 0x60, 0x10, 0x12, 0x12, 0x04, 0x08, 0x10, 0x10, 0x58,
    204   0x12, 0x04, 0x08, 0x78, 0x10, 0x28, 0x12, 0x05, 0x08, 0xA8, 0x01, 0x10,
    205   0x38, 0x18, 0x1F, 0x1A, 0x00, 0x42, 0x53, 0x44, 0x49, 0x46, 0x46, 0x34,
    206   0x30, 0x0E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0E, 0x00, 0x00,
    207   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    208   0x00, 0x42, 0x5A, 0x68, 0x39, 0x17, 0x72, 0x45, 0x38, 0x50, 0x90, 0x00,
    209   0x00, 0x00, 0x00, 0x42, 0x5A, 0x68, 0x39, 0x17, 0x72, 0x45, 0x38, 0x50,
    210   0x90, 0x00, 0x00, 0x00, 0x00, 0x42, 0x5A, 0x68, 0x39, 0x17, 0x72, 0x45,
    211   0x38, 0x50, 0x90, 0x00, 0x00, 0x00, 0x00};
    212 
    213 const Buffer kPatch8ToNoDeflate = {
    214   0x50, 0x55, 0x46, 0x31, 0x00, 0x00, 0x00, 0x2F, 0x08, 0x01, 0x12, 0x27,
    215   0x0A, 0x04, 0x08, 0x10, 0x10, 0x32, 0x0A, 0x04, 0x08, 0x50, 0x10, 0x0A,
    216   0x0A, 0x04, 0x08, 0x60, 0x10, 0x12, 0x12, 0x04, 0x08, 0x10, 0x10, 0x58,
    217   0x12, 0x04, 0x08, 0x78, 0x10, 0x28, 0x12, 0x05, 0x08, 0xA8, 0x01, 0x10,
    218   0x38, 0x18, 0x1F, 0x1A, 0x02, 0x18, 0x04, 0x42, 0x53, 0x44, 0x49, 0x46,
    219   0x46, 0x34, 0x30, 0x28, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0E,
    220   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00,
    221   0x00, 0x00, 0x00, 0x42, 0x5A, 0x68, 0x39, 0x31, 0x41, 0x59, 0x26, 0x53,
    222   0x59, 0xBA, 0x8D, 0x7F, 0x2D, 0x00, 0x00, 0x00, 0x40, 0x00, 0x44, 0x08,
    223   0x20, 0x00, 0x30, 0xCC, 0x09, 0x32, 0x54, 0x65, 0x38, 0xBB, 0x92, 0x29,
    224   0xC2, 0x84, 0x85, 0xD4, 0x6B, 0xF9, 0x68, 0x42, 0x5A, 0x68, 0x39, 0x17,
    225   0x72, 0x45, 0x38, 0x50, 0x90, 0x00, 0x00, 0x00, 0x00, 0x42, 0x5A, 0x68,
    226   0x39, 0x31, 0x41, 0x59, 0x26, 0x53, 0x59, 0xE7, 0xAA, 0xF1, 0xFC, 0x00,
    227   0x00, 0x00, 0x70, 0x00, 0x00, 0x08, 0x01, 0x00, 0x20, 0x04, 0x20, 0x00,
    228   0x21, 0x9A, 0x68, 0x33, 0x4D, 0x13, 0x3C, 0x5D, 0xC9, 0x14, 0xE1, 0x42,
    229   0x43, 0x9E, 0xAB, 0xC7, 0xF0};
    230 
    231 // It is actuall the content of the copyright header.
    232 const Buffer kRaw10 = {
    233   0x0A, 0x2F, 0x2F, 0x0A, 0x2F, 0x2F, 0x20, 0x43, 0x6F, 0x70, 0x79, 0x72,
    234   0x69, 0x67, 0x68, 0x74, 0x20, 0x28, 0x43, 0x29, 0x20, 0x32, 0x30, 0x31,
    235   0x37, 0x20, 0x54, 0x68, 0x65, 0x20, 0x41, 0x6E, 0x64, 0x72, 0x6F, 0x69,
    236   0x64, 0x20, 0x4F, 0x70, 0x65, 0x6E, 0x20, 0x53, 0x6F, 0x75, 0x72, 0x63,
    237   0x65, 0x20, 0x50, 0x72, 0x6F, 0x6A, 0x65, 0x63, 0x74, 0x0A, 0x2F, 0x2F,
    238   0x0A, 0x2F, 0x2F, 0x20, 0x4C, 0x69, 0x63, 0x65, 0x6E, 0x73, 0x65, 0x64,
    239   0x20, 0x75, 0x6E, 0x64, 0x65, 0x72, 0x20, 0x74, 0x68, 0x65, 0x20, 0x41,
    240   0x70, 0x61, 0x63, 0x68, 0x65, 0x20, 0x4C, 0x69, 0x63, 0x65, 0x6E, 0x73,
    241   0x65, 0x2C, 0x20, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6F, 0x6E, 0x20, 0x32,
    242   0x2E, 0x30, 0x20, 0x28, 0x74, 0x68, 0x65, 0x20, 0x22, 0x4C, 0x69, 0x63,
    243   0x65, 0x6E, 0x73, 0x65, 0x22, 0x29, 0x3B, 0x0A, 0x2F, 0x2F, 0x20, 0x79,
    244   0x6F, 0x75, 0x20, 0x6D, 0x61, 0x79, 0x20, 0x6E, 0x6F, 0x74, 0x20, 0x75,
    245   0x73, 0x65, 0x20, 0x74, 0x68, 0x69, 0x73, 0x20, 0x66, 0x69, 0x6C, 0x65,
    246   0x20, 0x65, 0x78, 0x63, 0x65, 0x70, 0x74, 0x20, 0x69, 0x6E, 0x20, 0x63,
    247   0x6F, 0x6D, 0x70, 0x6C, 0x69, 0x61, 0x6E, 0x63, 0x65, 0x20, 0x77, 0x69,
    248   0x74, 0x68, 0x20, 0x74, 0x68, 0x65, 0x20, 0x4C, 0x69, 0x63, 0x65, 0x6E,
    249   0x73, 0x65, 0x2E, 0x0A, 0x2F, 0x2F, 0x20, 0x59, 0x6F, 0x75, 0x20, 0x6D,
    250   0x61, 0x79, 0x20, 0x6F, 0x62, 0x74, 0x61, 0x69, 0x6E, 0x20, 0x61, 0x20,
    251   0x63, 0x6F, 0x70, 0x79, 0x20, 0x6F, 0x66, 0x20, 0x74, 0x68, 0x65, 0x20,
    252   0x4C, 0x69, 0x63, 0x65, 0x6E, 0x73, 0x65, 0x20, 0x61, 0x74, 0x0A, 0x2F,
    253   0x2F, 0x0A, 0x2F, 0x2F, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x68, 0x74,
    254   0x74, 0x70, 0x3A, 0x2F, 0x2F, 0x77, 0x77, 0x77, 0x2E, 0x61, 0x70, 0x61,
    255   0x63, 0x68, 0x65, 0x2E, 0x6F, 0x72, 0x67, 0x2F, 0x6C, 0x69, 0x63, 0x65,
    256   0x6E, 0x73, 0x65, 0x73, 0x2F, 0x4C, 0x49, 0x43, 0x45, 0x4E, 0x53, 0x45,
    257   0x2D, 0x32, 0x2E, 0x30, 0x0A, 0x2F, 0x2F, 0x0A, 0x2F, 0x2F, 0x20, 0x55,
    258   0x6E, 0x6C, 0x65, 0x73, 0x73, 0x20, 0x72, 0x65, 0x71, 0x75, 0x69, 0x72,
    259   0x65, 0x64, 0x20, 0x62, 0x79, 0x20, 0x61, 0x70, 0x70, 0x6C, 0x69, 0x63,
    260   0x61, 0x62, 0x6C, 0x65, 0x20, 0x6C, 0x61, 0x77, 0x20, 0x6F, 0x72, 0x20,
    261   0x61, 0x67, 0x72, 0x65, 0x65, 0x64, 0x20, 0x74, 0x6F, 0x20, 0x69, 0x6E,
    262   0x20, 0x77, 0x72, 0x69, 0x74, 0x69, 0x6E, 0x67, 0x2C, 0x20, 0x73, 0x6F,
    263   0x66, 0x74, 0x77, 0x61, 0x72, 0x65, 0x0A, 0x2F, 0x2F, 0x20, 0x64, 0x69,
    264   0x73, 0x74, 0x72, 0x69, 0x62, 0x75, 0x74, 0x65, 0x64, 0x20, 0x75, 0x6E,
    265   0x64, 0x65, 0x72, 0x20, 0x74, 0x68, 0x65, 0x20, 0x4C, 0x69, 0x63, 0x65,
    266   0x6E, 0x73, 0x65, 0x20, 0x69, 0x73, 0x20, 0x64, 0x69, 0x73, 0x74, 0x72,
    267   0x69, 0x62, 0x75, 0x74, 0x65, 0x64, 0x20, 0x6F, 0x6E, 0x20, 0x61, 0x6E,
    268   0x20, 0x22, 0x41, 0x53, 0x20, 0x49, 0x53, 0x22, 0x20, 0x42, 0x41, 0x53,
    269   0x49, 0x53, 0x2C, 0x0A, 0x2F, 0x2F, 0x20, 0x57, 0x49, 0x54, 0x48, 0x4F,
    270   0x55, 0x54, 0x20, 0x57, 0x41, 0x52, 0x52, 0x41, 0x4E, 0x54, 0x49, 0x45,
    271   0x53, 0x20, 0x4F, 0x52, 0x20, 0x43, 0x4F, 0x4E, 0x44, 0x49, 0x54, 0x49,
    272   0x4F, 0x4E, 0x53, 0x20, 0x4F, 0x46, 0x20, 0x41, 0x4E, 0x59, 0x20, 0x4B,
    273   0x49, 0x4E, 0x44, 0x2C, 0x20, 0x65, 0x69, 0x74, 0x68, 0x65, 0x72, 0x20,
    274   0x65, 0x78, 0x70, 0x72, 0x65, 0x73, 0x73, 0x20, 0x6F, 0x72, 0x20, 0x69,
    275   0x6D, 0x70, 0x6C, 0x69, 0x65, 0x64, 0x2E, 0x0A, 0x2F, 0x2F, 0x20, 0x53,
    276   0x65, 0x65, 0x20, 0x74, 0x68, 0x65, 0x20, 0x4C, 0x69, 0x63, 0x65, 0x6E,
    277   0x73, 0x65, 0x20, 0x66, 0x6F, 0x72, 0x20, 0x74, 0x68, 0x65, 0x20, 0x73,
    278   0x70, 0x65, 0x63, 0x69, 0x66, 0x69, 0x63, 0x20, 0x6C, 0x61, 0x6E, 0x67,
    279   0x75, 0x61, 0x67, 0x65, 0x20, 0x67, 0x6F, 0x76, 0x65, 0x72, 0x6E, 0x69,
    280   0x6E, 0x67, 0x20, 0x70, 0x65, 0x72, 0x6D, 0x69, 0x73, 0x73, 0x69, 0x6F,
    281   0x6E, 0x73, 0x20, 0x61, 0x6E, 0x64, 0x0A, 0x2F, 0x2F, 0x20, 0x6C, 0x69,
    282   0x6D, 0x69, 0x74, 0x61, 0x74, 0x69, 0x6F, 0x6E, 0x73, 0x20, 0x75, 0x6E,
    283   0x64, 0x65, 0x72, 0x20, 0x74, 0x68, 0x65, 0x20, 0x4C, 0x69, 0x63, 0x65,
    284   0x6E, 0x73, 0x65, 0x2E, 0x0A};
    285 
    286 // Dynamic huffman compressed deflate.
    287 const Buffer kDeflate10 = {
    288   0x65, 0x91, 0x41, 0x6F, 0x9C, 0x30, 0x10, 0x85, 0xEF, 0xFB, 0x2B, 0x9E,
    289   0xF6, 0x94, 0x48, 0x5B, 0x48, 0x73, 0xA9, 0xD4, 0x9E, 0xE8, 0x66, 0xAB,
    290   0xA0, 0x46, 0x50, 0x2D, 0xA4, 0x51, 0x8E, 0x5E, 0x18, 0xD8, 0x89, 0x58,
    291   0xDB, 0xB5, 0x4D, 0xC9, 0xFE, 0xFB, 0x8E, 0x59, 0x22, 0x25, 0xAA, 0x2F,
    292   0xC8, 0xCC, 0xCC, 0x9B, 0xEF, 0x3D, 0xAF, 0xD2, 0x74, 0x95, 0xA6, 0xD8,
    293   0x1A, 0x7B, 0x76, 0xDC, 0x1F, 0x03, 0xAE, 0xB6, 0xD7, 0xB8, 0xBD, 0xF9,
    294   0xFC, 0x05, 0xF5, 0x91, 0x90, 0xE9, 0xD6, 0x19, 0x6E, 0x51, 0x5A, 0xD2,
    295   0xA8, 0xCC, 0xE8, 0x1A, 0xC2, 0x2F, 0x67, 0x5E, 0xA8, 0x09, 0xAB, 0xCB,
    296   0xE0, 0x03, 0x37, 0xA4, 0x3D, 0xB5, 0x18, 0x75, 0x4B, 0x0E, 0x21, 0x0E,
    297   0x59, 0xD5, 0xC8, 0x67, 0xA9, 0x6C, 0xF0, 0x9B, 0x9C, 0x67, 0xA3, 0x71,
    298   0x9B, 0xDC, 0xE0, 0x2A, 0x36, 0xAC, 0x97, 0xD2, 0xFA, 0xFA, 0x5B, 0x94,
    299   0x38, 0x9B, 0x11, 0x27, 0x75, 0x86, 0x36, 0x01, 0xA3, 0x27, 0xD1, 0x60,
    300   0x8F, 0x8E, 0x07, 0x02, 0xBD, 0x36, 0x64, 0x03, 0x58, 0xA3, 0x31, 0x27,
    301   0x3B, 0xB0, 0xD2, 0xB2, 0x7F, 0xE2, 0x70, 0x9C, 0xF7, 0x2C, 0x2A, 0x49,
    302   0xD4, 0x78, 0x5E, 0x34, 0xCC, 0x21, 0x28, 0x69, 0x57, 0x32, 0x60, 0xE5,
    303   0xD6, 0xBD, 0x6F, 0x84, 0x7A, 0x83, 0x9E, 0xCF, 0x31, 0x04, 0xFB, 0x35,
    304   0x4D, 0xA7, 0x69, 0x4A, 0xD4, 0x4C, 0x9C, 0x18, 0xD7, 0xA7, 0xC3, 0xA5,
    305   0xD7, 0xA7, 0x0F, 0xF9, 0x76, 0x57, 0x54, 0xBB, 0x4F, 0x42, 0xBD, 0x4C,
    306   0x3D, 0xEA, 0x81, 0xBC, 0x87, 0xA3, 0x3F, 0x23, 0x3B, 0x71, 0x7C, 0x38,
    307   0x43, 0x59, 0xA1, 0x6A, 0xD4, 0x41, 0x58, 0x07, 0x35, 0xC1, 0x38, 0xA8,
    308   0xDE, 0x91, 0xD4, 0x82, 0x89, 0xD4, 0x93, 0xE3, 0xC0, 0xBA, 0xDF, 0xC0,
    309   0x9B, 0x2E, 0x4C, 0xCA, 0x51, 0x94, 0x69, 0xD9, 0x07, 0xC7, 0x87, 0x31,
    310   0x7C, 0x08, 0xED, 0x8D, 0x51, 0xAC, 0xBF, 0x6F, 0x90, 0xD8, 0x94, 0xC6,
    311   0x3A, 0xAB, 0x90, 0x57, 0x6B, 0x7C, 0xCF, 0xAA, 0xBC, 0xDA, 0x44, 0x91,
    312   0xA7, 0xBC, 0xBE, 0x2F, 0x1F, 0x6B, 0x3C, 0x65, 0xFB, 0x7D, 0x56, 0xD4,
    313   0xF9, 0xAE, 0x42, 0xB9, 0xC7, 0xB6, 0x2C, 0xEE, 0xF2, 0x3A, 0x2F, 0x0B,
    314   0xB9, 0xFD, 0x40, 0x56, 0x3C, 0xE3, 0x67, 0x5E, 0xDC, 0x6D, 0x40, 0x12,
    315   0x99, 0xEC, 0xA1, 0x57, 0xEB, 0xA2, 0x03, 0xC1, 0xE4, 0x18, 0x27, 0xB5,
    316   0x73, 0x76, 0x15, 0xD1, 0x07, 0x84, 0xCE, 0x5C, 0x90, 0xBC, 0xA5, 0x86,
    317   0x3B, 0x6E, 0xC4, 0x9A, 0xEE, 0x47, 0xD5, 0x13, 0x7A, 0xF3, 0x97, 0x9C,
    318   0x16, 0x47, 0xB0, 0xE4, 0x4E, 0xEC, 0xE3, 0xB3, 0x7A, 0x01, 0x6C, 0xA3,
    319   0xCC, 0xC0, 0x27, 0x0E, 0x2A, 0xCC, 0xBF, 0xFE, 0xF3, 0x95, 0xAC, 0xFE,
    320   0x01};
    321 
    322 const Buffer kPuff10 = {
    323   0x00, 0x74, 0xC0, 0x0C, 0x11, 0x0C, 0x04, 0x63, 0x34, 0x32, 0x03, 0x04,
    324   0x05, 0x06, 0x1B, 0x07, 0x26, 0x03, 0x00, 0x07, 0x16, 0x08, 0x08, 0x00,
    325   0x00, 0x07, 0x09, 0x06, 0x06, 0x08, 0x09, 0x08, 0x15, 0x09, 0x00, 0x00,
    326   0x09, 0x09, 0x16, 0x06, 0x09, 0x07, 0x08, 0x07, 0x09, 0x00, 0x08, 0x06,
    327   0x00, 0x09, 0x08, 0x00, 0x06, 0x06, 0x09, 0x00, 0x07, 0x06, 0x06, 0x08,
    328   0x09, 0x08, 0x00, 0x08, 0x18, 0x05, 0x07, 0x06, 0x06, 0x04, 0x06, 0x06,
    329   0x07, 0x04, 0x08, 0x00, 0x06, 0x07, 0x05, 0x05, 0x05, 0x09, 0x05, 0x05,
    330   0x05, 0x06, 0x09, 0x06, 0x08, 0x07, 0x97, 0x09, 0x04, 0x05, 0x06, 0x07,
    331   0x06, 0x08, 0x00, 0x00, 0x08, 0x08, 0x00, 0x09, 0x05, 0x15, 0x06, 0x00,
    332   0x05, 0x06, 0x04, 0x04, 0x04, 0x03, 0x04, 0x02, 0x03, 0x03, 0x05, 0x39,
    333   0x0A, 0x2F, 0x2F, 0x0A, 0x2F, 0x2F, 0x20, 0x43, 0x6F, 0x70, 0x79, 0x72,
    334   0x69, 0x67, 0x68, 0x74, 0x20, 0x28, 0x43, 0x29, 0x20, 0x32, 0x30, 0x31,
    335   0x37, 0x20, 0x54, 0x68, 0x65, 0x20, 0x41, 0x6E, 0x64, 0x72, 0x6F, 0x69,
    336   0x64, 0x20, 0x4F, 0x70, 0x65, 0x6E, 0x20, 0x53, 0x6F, 0x75, 0x72, 0x63,
    337   0x65, 0x20, 0x50, 0x72, 0x6F, 0x6A, 0x65, 0x63, 0x74, 0x0A, 0x83, 0x00,
    338   0x38, 0x0F, 0x4C, 0x69, 0x63, 0x65, 0x6E, 0x73, 0x65, 0x64, 0x20, 0x75,
    339   0x6E, 0x64, 0x65, 0x72, 0x20, 0x74, 0x81, 0x00, 0x34, 0x02, 0x70, 0x61,
    340   0x63, 0x80, 0x00, 0x06, 0x84, 0x00, 0x19, 0x0E, 0x2C, 0x20, 0x56, 0x65,
    341   0x72, 0x73, 0x69, 0x6F, 0x6E, 0x20, 0x32, 0x2E, 0x30, 0x20, 0x28, 0x81,
    342   0x00, 0x20, 0x00, 0x22, 0x84, 0x00, 0x1A, 0x02, 0x22, 0x29, 0x3B, 0x81,
    343   0x00, 0x42, 0x0E, 0x79, 0x6F, 0x75, 0x20, 0x6D, 0x61, 0x79, 0x20, 0x6E,
    344   0x6F, 0x74, 0x20, 0x75, 0x73, 0x65, 0x80, 0x00, 0x43, 0x19, 0x69, 0x73,
    345   0x20, 0x66, 0x69, 0x6C, 0x65, 0x20, 0x65, 0x78, 0x63, 0x65, 0x70, 0x74,
    346   0x20, 0x69, 0x6E, 0x20, 0x63, 0x6F, 0x6D, 0x70, 0x6C, 0x69, 0x61, 0x6E,
    347   0x80, 0x00, 0x7F, 0x03, 0x77, 0x69, 0x74, 0x68, 0x82, 0x00, 0x67, 0x84,
    348   0x00, 0x45, 0x00, 0x2E, 0x81, 0x00, 0x43, 0x00, 0x59, 0x84, 0x00, 0x43,
    349   0x03, 0x6F, 0x62, 0x74, 0x61, 0x80, 0x00, 0x2E, 0x00, 0x61, 0x80, 0x00,
    350   0x30, 0x00, 0x70, 0x80, 0x00, 0x0D, 0x00, 0x66, 0x89, 0x00, 0x28, 0x01,
    351   0x20, 0x61, 0x85, 0x00, 0xB4, 0x82, 0x00, 0x00, 0x0B, 0x68, 0x74, 0x74,
    352   0x70, 0x3A, 0x2F, 0x2F, 0x77, 0x77, 0x77, 0x2E, 0x61, 0x82, 0x00, 0xB1,
    353   0x05, 0x2E, 0x6F, 0x72, 0x67, 0x2F, 0x6C, 0x83, 0x00, 0x2B, 0x09, 0x73,
    354   0x2F, 0x4C, 0x49, 0x43, 0x45, 0x4E, 0x53, 0x45, 0x2D, 0x80, 0x00, 0xB5,
    355   0x84, 0x00, 0x35, 0x0C, 0x55, 0x6E, 0x6C, 0x65, 0x73, 0x73, 0x20, 0x72,
    356   0x65, 0x71, 0x75, 0x69, 0x72, 0x80, 0x00, 0xF1, 0x04, 0x62, 0x79, 0x20,
    357   0x61, 0x70, 0x80, 0x00, 0x95, 0x02, 0x63, 0x61, 0x62, 0x80, 0x00, 0xAB,
    358   0x0A, 0x6C, 0x61, 0x77, 0x20, 0x6F, 0x72, 0x20, 0x61, 0x67, 0x72, 0x65,
    359   0x80, 0x00, 0x1B, 0x01, 0x74, 0x6F, 0x81, 0x00, 0xB5, 0x10, 0x77, 0x72,
    360   0x69, 0x74, 0x69, 0x6E, 0x67, 0x2C, 0x20, 0x73, 0x6F, 0x66, 0x74, 0x77,
    361   0x61, 0x72, 0x65, 0x81, 0x00, 0x46, 0x08, 0x64, 0x69, 0x73, 0x74, 0x72,
    362   0x69, 0x62, 0x75, 0x74, 0x8A, 0x01, 0x34, 0x85, 0x00, 0xA3, 0x80, 0x00,
    363   0xFA, 0x89, 0x00, 0x20, 0x80, 0x01, 0x36, 0x10, 0x61, 0x6E, 0x20, 0x22,
    364   0x41, 0x53, 0x20, 0x49, 0x53, 0x22, 0x20, 0x42, 0x41, 0x53, 0x49, 0x53,
    365   0x2C, 0x81, 0x00, 0x44, 0x1E, 0x57, 0x49, 0x54, 0x48, 0x4F, 0x55, 0x54,
    366   0x20, 0x57, 0x41, 0x52, 0x52, 0x41, 0x4E, 0x54, 0x49, 0x45, 0x53, 0x20,
    367   0x4F, 0x52, 0x20, 0x43, 0x4F, 0x4E, 0x44, 0x49, 0x54, 0x49, 0x4F, 0x4E,
    368   0x80, 0x00, 0x0D, 0x0C, 0x46, 0x20, 0x41, 0x4E, 0x59, 0x20, 0x4B, 0x49,
    369   0x4E, 0x44, 0x2C, 0x20, 0x65, 0x80, 0x01, 0x32, 0x80, 0x00, 0x67, 0x03,
    370   0x65, 0x78, 0x70, 0x72, 0x81, 0x00, 0xC1, 0x80, 0x00, 0xA6, 0x00, 0x69,
    371   0x81, 0x01, 0x4E, 0x01, 0x65, 0x64, 0x82, 0x01, 0x3B, 0x02, 0x53, 0x65,
    372   0x65, 0x8A, 0x00, 0x82, 0x01, 0x66, 0x6F, 0x83, 0x00, 0x92, 0x07, 0x73,
    373   0x70, 0x65, 0x63, 0x69, 0x66, 0x69, 0x63, 0x80, 0x00, 0xDA, 0x0C, 0x6E,
    374   0x67, 0x75, 0x61, 0x67, 0x65, 0x20, 0x67, 0x6F, 0x76, 0x65, 0x72, 0x6E,
    375   0x80, 0x00, 0xD1, 0x06, 0x20, 0x70, 0x65, 0x72, 0x6D, 0x69, 0x73, 0x81,
    376   0x01, 0xD6, 0x00, 0x73, 0x80, 0x00, 0xA0, 0x00, 0x64, 0x81, 0x00, 0x46,
    377   0x06, 0x6C, 0x69, 0x6D, 0x69, 0x74, 0x61, 0x74, 0x82, 0x00, 0x12, 0x8E,
    378   0x00, 0xD7, 0x01, 0x2E, 0x0A, 0xFF, 0x81};
    379 
    380 // The following is a sequence of bits starting from the top right and ends in
    381 // bottom left. It represents the bits in |kDeflate11|. Bits inside the brackets
    382 // (including bits exactly under brackets) represent a deflate stream.
    383 //
    384 //       }   {                  } {                  }{                  }
    385 // 11000101 10000000 10001100 01010000 00010001 10001000 00000100 01100010
    386 //   0xC5     0x80     0x8C     0x50     0x11     0x88     0x04     0x62
    387 //
    388 //      }         {                  } {                  }   {
    389 // 10001011 11111100 00000100 01100010 00000001 00011000 10111000 00001000
    390 //   0x8B     0xFC     0x04     0x62     0x01     0x18     0xB8     0x08
    391 //
    392 //      }   {                  }         {                  }{
    393 // 10001011 00000001 00011000 10111111 11000000 01000110 00100000 00010001
    394 //   0x8B     0x01     0x18     0xBF     0xC0     0x46     0x20     0x11
    395 //
    396 //       {                  }          {                  }  {
    397 // 11111100 00000100 01100010 11111111 00000001 00011000 10110000 00010001
    398 //   0xFC     0x04     0x62     0xFF     0x01     0x18     0xB0     0x11
    399 //
    400 const Buffer kDeflate11 = {
    401   0x62, 0x04, 0x88, 0x11, 0x50, 0x8C, 0x80, 0xC5, 0x08, 0xB8, 0x18, 0x01,
    402   0x62, 0x04, 0xFC, 0x8B, 0x11, 0x20, 0x46, 0xC0, 0xBF, 0x18, 0x01, 0x8B,
    403   0x11, 0xB0, 0x18, 0x01, 0xFF, 0x62, 0x04, 0xFC};
    404 
    405 const Buffer kPuff11 = {
    406   /* puff  0  */ 0x00, 0x00, 0x20, 0x00, 0x01, 0xFF, 0x81,
    407   /* puff  7  */ 0x00, 0x00, 0x20, 0x00, 0x01, 0xFF, 0x81,
    408   /* raw   14 */ 0x01,
    409   /* puff  15 */ 0x00, 0x00, 0x20, 0x00, 0x01, 0xFF, 0x81,
    410   /* raw   22 */ 0x01, 0x01,
    411   /* puff  24 */ 0x00, 0x00, 0x20, 0x00, 0x01, 0xFF, 0x81,
    412   /* raw   31 */ 0x07,
    413   /* puff  32 */ 0x00, 0x00, 0x20, 0x00, 0x01, 0xFF, 0x81,
    414   /* puff  39 */ 0x00, 0x00, 0x20, 0x00, 0x01, 0xFF, 0x81,
    415   /* raw   46 */ 0x3F, 0x03,
    416   /* puff  48 */ 0x00, 0x00, 0x20, 0x00, 0x01, 0xFF, 0x81,
    417   /* puff  55 */ 0x00, 0x00, 0x20, 0x00, 0x01, 0xFF, 0x81,
    418   /* raw   62 */ 0x03, 0x3F,
    419   /* puff  64 */ 0x00, 0x00, 0x20, 0x00, 0x01, 0xFF, 0x81,
    420   /* raw   71 */ 0x03,
    421   /* puff  72 */ 0x00, 0x00, 0x20, 0x00, 0x01, 0xFF, 0x81,
    422   /* raw   79 */ 0x03,
    423   /* puff  80 */ 0x00, 0x00, 0x20, 0x00, 0x01, 0xFF, 0x81,
    424   /* raw   87 */ 0xFF,
    425   /* puff  88 */ 0x00, 0x00, 0x20, 0x00, 0x01, 0xFF, 0x81,
    426   /* raw   95 */ 0x3F};
    427 
    428 // The fifth deflate (and its puff in kPuffExtents11) is for zero length deflate
    429 // corner case.
    430 const std::vector<BitExtent> kSubblockDeflateExtents11 = {
    431   {0, 18}, {18, 18}, {37, 18}, {57, 18}, {75, 0}, {78, 18}, {96, 18}, {122, 18},
    432   {140, 18}, {166, 18}, {186, 18}, {206, 18}, {232, 18}};
    433 
    434 const std::vector<ByteExtent> kPuffExtents11 = {
    435   {0, 7}, {7, 7}, {15, 7}, {24, 7}, {31, 0}, {32, 7}, {39, 7}, {48, 7}, {55, 7},
    436   {64, 7}, {72, 7}, {80, 7}, {88, 7}};
    437 
    438 // clang-format on
    439 
    440 }  // namespace puffin
    441 
    442 #endif  // SRC_UNITTEST_COMMON_H_
    443