text: // Copyright 2016 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #include "courgette/program_detector.h"
  
  #include <string>
  
  #include "courgette/base_test_unittest.h"
  #include "courgette/courgette.h"
  #include "courgette/disassembler.h"
  #include "courgette/disassembler_elf_32_arm.h"
  #include "courgette/disassembler_elf_32_x86.h"
  #include "courgette/disassembler_win32_x64.h"
  #include "courgette/disassembler_win32_x86.h"
  
  namespace courgette {
  
  namespace {
  
  class ProgramDetectorTest : public BaseTest {
   public:
    void TestQuickDetect(const std::string& test_data,
                         ExecutableType expected_type) const;
    void TestDetectDisassembler(const std::string& test_data,
                                ExecutableType expected_type) const;
  };
  
  void ProgramDetectorTest::TestQuickDetect(const std::string& test_data,
                                            ExecutableType expected_type) const {
    // QuickDetect() should return true only for the |expected_type|.
    EXPECT_EQ(expected_type == EXE_WIN_32_X86,
              DisassemblerWin32X86::QuickDetect(
                  reinterpret_cast<const uint8_t*>(test_data.data()),
                  test_data.size()));
    EXPECT_EQ(expected_type == EXE_WIN_32_X64,
              DisassemblerWin32X64::QuickDetect(
                  reinterpret_cast<const uint8_t*>(test_data.data()),
                  test_data.size()));
    EXPECT_EQ(expected_type == EXE_ELF_32_X86,
              DisassemblerElf32X86::QuickDetect(
                  reinterpret_cast<const uint8_t*>(test_data.data()),
                  test_data.size()));
    EXPECT_EQ(expected_type == EXE_ELF_32_ARM,
              DisassemblerElf32ARM::QuickDetect(
                  reinterpret_cast<const uint8_t*>(test_data.data()),
                  test_data.size()));
  }
  
  void ProgramDetectorTest::TestDetectDisassembler(
      const std::string& test_data,
      ExecutableType expected_type) const {
    ExecutableType detected_type = EXE_UNKNOWN;
    size_t detected_length = 0;
    DetectExecutableType(reinterpret_cast<const uint8_t*>(test_data.data()),
                         test_data.size(), &detected_type, &detected_length);
    EXPECT_EQ(expected_type, detected_type);
    EXPECT_EQ(test_data.size(), detected_length);
  }
  
  TEST_F(ProgramDetectorTest, All) {
    std::string win32_x86 = FileContents("setup1.exe");
    std::string win32_x64 = FileContents("chrome64_1.exe");
    std::string elf_32 = FileContents("elf-32-1");
    std::string elf_arm = FileContents("elf-armv7");
  
    TestQuickDetect(win32_x86, EXE_WIN_32_X86);
    TestQuickDetect(win32_x64, EXE_WIN_32_X64);
    TestQuickDetect(elf_32, EXE_ELF_32_X86);
    TestQuickDetect(elf_arm, EXE_ELF_32_ARM);
  
    TestDetectDisassembler(win32_x86, EXE_WIN_32_X86);
    TestDetectDisassembler(win32_x64, EXE_WIN_32_X64);
    TestDetectDisassembler(elf_32, EXE_ELF_32_X86);
    TestDetectDisassembler(elf_arm, EXE_ELF_32_ARM);
  }
  
  }  // namespace
  
  }  // namespace courgette
  