src/courgette/ensemble_unittest.cc

   1 // Copyright (c) 2011 The Chromium 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 #include "courgette/base_test_unittest.h"
   6 #include "courgette/courgette.h"
   7 #include "courgette/streams.h"
   8
   9 #if defined(OS_WIN) && !defined(NDEBUG)
  10 // Ensemble tests still take too long on Debug Windows so disabling for now
  11 // TODO(dgarrett) http://code.google.com/p/chromium/issues/detail?id=101614
  12 #define MAYBE_PE DISABLED_PE
  13 #define MAYBE_PE64 DISABLED_PE64
  14 #define MAYBE_Elf32 DISABLED_Elf32
  15 #else
  16 #define MAYBE_PE PE
  17 #define MAYBE_PE64 PE64
  18 #define MAYBE_Elf32 Elf32
  19 #endif
  20
  21 class EnsembleTest : public BaseTest {
  22  public:
  23
  24   void TestEnsemble(std::string src_bytes, std::string tgt_bytes) const;
  25
  26   void PeEnsemble() const;
  27   void Pe64Ensemble() const;
  28   void Elf32Ensemble() const;
  29 };
  30
  31 void EnsembleTest::TestEnsemble(std::string src_bytes,
  32                                 std::string tgt_bytes) const {
  33
  34   courgette::SourceStream source;
  35   courgette::SourceStream target;
  36
  37   source.Init(src_bytes);
  38   target.Init(tgt_bytes);
  39
  40   courgette::SinkStream patch_sink;
  41
  42   courgette::Status status;
  43
  44   status = courgette::GenerateEnsemblePatch(&source, &target, &patch_sink);
  45   EXPECT_EQ(courgette::C_OK, status);
  46
  47   courgette::SourceStream patch_source;
  48   patch_source.Init(patch_sink.Buffer(), patch_sink.Length());
  49
  50   courgette::SinkStream patch_result;
  51
  52   status = courgette::ApplyEnsemblePatch(&source, &patch_source, &patch_result);
  53   EXPECT_EQ(courgette::C_OK, status);
  54
  55   EXPECT_EQ(target.OriginalLength(), patch_result.Length());
  56   EXPECT_FALSE(memcmp(target.Buffer(),
  57                       patch_result.Buffer(),
  58                       target.OriginalLength()));
  59 }
  60
  61 void EnsembleTest::Elf32Ensemble() const {
  62   std::list<std::string> src_ensemble;
  63   std::list<std::string> tgt_ensemble;
  64
  65   src_ensemble.push_back("elf-32-1");
  66
  67   tgt_ensemble.push_back("elf-32-2");
  68
  69   std::string src_bytes = FilesContents(src_ensemble);
  70   std::string tgt_bytes = FilesContents(tgt_ensemble);
  71
  72   src_bytes = "aaabbbccc" + src_bytes + "dddeeefff";
  73   tgt_bytes = "aaagggccc" + tgt_bytes + "dddeeefff";
  74
  75   TestEnsemble(src_bytes, tgt_bytes);
  76 }
  77
  78 void EnsembleTest::PeEnsemble() const {
  79   std::list<std::string> src_ensemble;
  80   std::list<std::string> tgt_ensemble;
  81
  82   src_ensemble.push_back("en-US.dll");
  83   src_ensemble.push_back("setup1.exe");
  84
  85   tgt_ensemble.push_back("en-US.dll");
  86   tgt_ensemble.push_back("setup2.exe");
  87
  88   std::string src_bytes = FilesContents(src_ensemble);
  89   std::string tgt_bytes = FilesContents(tgt_ensemble);
  90
  91   src_bytes = "aaabbbccc" + src_bytes + "dddeeefff";
  92   tgt_bytes = "aaagggccc" + tgt_bytes + "dddeeefff";
  93
  94   TestEnsemble(src_bytes, tgt_bytes);
  95 }
  96
  97 void EnsembleTest::Pe64Ensemble() const {
  98   std::list<std::string> src_ensemble;
  99   std::list<std::string> tgt_ensemble;
 100
 101   src_ensemble.push_back("en-US-64.dll");
 102   src_ensemble.push_back("chrome64_1.exe");
 103   src_ensemble.push_back("pe-64.exe");
 104
 105   tgt_ensemble.push_back("en-US-64.dll");
 106   tgt_ensemble.push_back("chrome64_2.exe");
 107   tgt_ensemble.push_back("pe-64.exe");
 108
 109   std::string src_bytes = FilesContents(src_ensemble);
 110   std::string tgt_bytes = FilesContents(tgt_ensemble);
 111
 112   src_bytes = "aaabbbccc" + src_bytes + "dddeeefff";
 113   tgt_bytes = "aaagggccc" + tgt_bytes + "dddeeefff";
 114
 115   TestEnsemble(src_bytes, tgt_bytes);
 116 }
 117
 118 TEST_F(EnsembleTest, MAYBE_PE) {
 119   PeEnsemble();
 120 }
 121
 122 TEST_F(EnsembleTest, MAYBE_PE64) {
 123   Pe64Ensemble();
 124 }
 125
 126 TEST_F(EnsembleTest, MAYBE_Elf32) {
 127   Elf32Ensemble();
 128 }