courgette/program_detector_unittest.cc

   1 // Copyright 2016 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/program_detector.h"
   6
   7 #include <string>
   8
   9 #include "courgette/base_test_unittest.h"
  10 #include "courgette/courgette.h"
  11 #include "courgette/disassembler.h"
  12 #include "courgette/disassembler_elf_32_arm.h"
  13 #include "courgette/disassembler_elf_32_x86.h"
  14 #include "courgette/disassembler_win32_x64.h"
  15 #include "courgette/disassembler_win32_x86.h"
  16
  17 namespace courgette {
  18
  19 namespace {
  20
  21 class ProgramDetectorTest : public BaseTest {
  22  public:
  23   void TestQuickDetect(const std::string& test_data,
  24                        ExecutableType expected_type) const;
  25   void TestDetectDisassembler(const std::string& test_data,
  26                               ExecutableType expected_type) const;
  27 };
  28
  29 void ProgramDetectorTest::TestQuickDetect(const std::string& test_data,
  30                                           ExecutableType expected_type) const {
  31   // QuickDetect() should return true only for the |expected_type|.
  32   EXPECT_EQ(expected_type == EXE_WIN_32_X86,
  33             DisassemblerWin32X86::QuickDetect(
  34                 reinterpret_cast<const uint8_t*>(test_data.data()),
  35                 test_data.size()));
  36   EXPECT_EQ(expected_type == EXE_WIN_32_X64,
  37             DisassemblerWin32X64::QuickDetect(
  38                 reinterpret_cast<const uint8_t*>(test_data.data()),
  39                 test_data.size()));
  40   EXPECT_EQ(expected_type == EXE_ELF_32_X86,
  41             DisassemblerElf32X86::QuickDetect(
  42                 reinterpret_cast<const uint8_t*>(test_data.data()),
  43                 test_data.size()));
  44   EXPECT_EQ(expected_type == EXE_ELF_32_ARM,
  45             DisassemblerElf32ARM::QuickDetect(
  46                 reinterpret_cast<const uint8_t*>(test_data.data()),
  47                 test_data.size()));
  48 }
  49
  50 void ProgramDetectorTest::TestDetectDisassembler(
  51     const std::string& test_data,
  52     ExecutableType expected_type) const {
  53   ExecutableType detected_type = EXE_UNKNOWN;
  54   size_t detected_length = 0;
  55   DetectExecutableType(reinterpret_cast<const uint8_t*>(test_data.data()),
  56                        test_data.size(), &detected_type, &detected_length);
  57   EXPECT_EQ(expected_type, detected_type);
  58   EXPECT_EQ(test_data.size(), detected_length);
  59 }
  60
  61 TEST_F(ProgramDetectorTest, All) {
  62   std::string win32_x86 = FileContents("setup1.exe");
  63   std::string win32_x64 = FileContents("chrome64_1.exe");
  64   std::string elf_32 = FileContents("elf-32-1");
  65   std::string elf_arm = FileContents("elf-armv7");
  66
  67   TestQuickDetect(win32_x86, EXE_WIN_32_X86);
  68   TestQuickDetect(win32_x64, EXE_WIN_32_X64);
  69   TestQuickDetect(elf_32, EXE_ELF_32_X86);
  70   TestQuickDetect(elf_arm, EXE_ELF_32_ARM);
  71
  72   TestDetectDisassembler(win32_x86, EXE_WIN_32_X86);
  73   TestDetectDisassembler(win32_x64, EXE_WIN_32_X64);
  74   TestDetectDisassembler(elf_32, EXE_ELF_32_X86);
  75   TestDetectDisassembler(elf_arm, EXE_ELF_32_ARM);
  76 }
  77
  78 }  // namespace
  79
  80 }  // namespace courgette