disassembler_win32_x86_unittest.cc 3.2 KB

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  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. #include "courgette/disassembler_win32_x86.h"
  5. #include <stdint.h>
  6. #include <memory>
  7. #include <string>
  8. #include <vector>
  9. #include "base/ranges/algorithm.h"
  10. #include "courgette/base_test_unittest.h"
  11. class DisassemblerWin32X86Test : public BaseTest {
  12. public:
  13. void TestExe() const;
  14. void TestExe64ShouldFail() const;
  15. void TestResourceDll() const;
  16. };
  17. void DisassemblerWin32X86Test::TestExe() const {
  18. std::string file1 = FileContents("setup1.exe");
  19. std::unique_ptr<courgette::DisassemblerWin32X86> disassembler(
  20. new courgette::DisassemblerWin32X86(
  21. reinterpret_cast<const uint8_t*>(file1.c_str()), file1.length()));
  22. bool can_parse_header = disassembler->ParseHeader();
  23. EXPECT_TRUE(can_parse_header);
  24. // The executable is the whole file, not 'embedded' with the file
  25. EXPECT_EQ(file1.length(), disassembler->length());
  26. EXPECT_TRUE(disassembler->ok());
  27. EXPECT_TRUE(disassembler->has_text_section());
  28. EXPECT_EQ(449536U, disassembler->size_of_code());
  29. EXPECT_EQ(courgette::DisassemblerWin32X86::SectionName(
  30. disassembler->RVAToSection(0x00401234 - 0x00400000)),
  31. std::string(".text"));
  32. EXPECT_EQ(0U, disassembler->RVAToFileOffset(0));
  33. EXPECT_EQ(1024U, disassembler->RVAToFileOffset(4096));
  34. EXPECT_EQ(46928U, disassembler->RVAToFileOffset(50000));
  35. std::vector<courgette::RVA> relocs;
  36. bool can_parse_relocs = disassembler->ParseRelocs(&relocs);
  37. EXPECT_TRUE(can_parse_relocs);
  38. EXPECT_TRUE(base::ranges::is_sorted(relocs));
  39. const uint8_t* offset_p = disassembler->FileOffsetToPointer(0);
  40. EXPECT_EQ(reinterpret_cast<const void*>(file1.c_str()),
  41. reinterpret_cast<const void*>(offset_p));
  42. EXPECT_EQ('M', offset_p[0]);
  43. EXPECT_EQ('Z', offset_p[1]);
  44. const uint8_t* rva_p = disassembler->RVAToPointer(0);
  45. EXPECT_EQ(reinterpret_cast<const void*>(file1.c_str()),
  46. reinterpret_cast<const void*>(rva_p));
  47. EXPECT_EQ('M', rva_p[0]);
  48. EXPECT_EQ('Z', rva_p[1]);
  49. }
  50. void DisassemblerWin32X86Test::TestExe64ShouldFail() const {
  51. std::string file1 = FileContents("pe-64.exe");
  52. std::unique_ptr<courgette::DisassemblerWin32X86> disassembler(
  53. new courgette::DisassemblerWin32X86(
  54. reinterpret_cast<const uint8_t*>(file1.c_str()), file1.length()));
  55. bool can_parse_header = disassembler->ParseHeader();
  56. EXPECT_FALSE(can_parse_header);
  57. // The executable is the whole file, not 'embedded' with the file
  58. EXPECT_EQ(file1.length(), disassembler->length());
  59. EXPECT_FALSE(disassembler->ok());
  60. }
  61. void DisassemblerWin32X86Test::TestResourceDll() const {
  62. std::string file1 = FileContents("en-US.dll");
  63. std::unique_ptr<courgette::DisassemblerWin32X86> disassembler(
  64. new courgette::DisassemblerWin32X86(
  65. reinterpret_cast<const uint8_t*>(file1.c_str()), file1.length()));
  66. bool can_parse_header = disassembler->ParseHeader();
  67. EXPECT_FALSE(can_parse_header);
  68. // The executable is the whole file, not 'embedded' with the file
  69. EXPECT_EQ(file1.length(), disassembler->length());
  70. EXPECT_FALSE(disassembler->ok());
  71. }
  72. TEST_F(DisassemblerWin32X86Test, All) {
  73. TestExe();
  74. TestExe64ShouldFail();
  75. TestResourceDll();
  76. }