Further refactoring, move ImageInfo into Disassembler/DisassemblerWin32X86.

courgette/disassembler_win32_x86_unittest.cc

+// Copyright (c) 2011 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/disassembler_win32_x86.h"
+
+#include <string>
+
+#include "base/path_service.h"
+#include "base/file_util.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/string_util.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+class DisassemblerWin32X86Test : public testing::Test {
+ public:
+
+  void TestExe() const;
+  void TestResourceDll() const;
+
+ private:
+  void SetUp() {
+    PathService::Get(base::DIR_SOURCE_ROOT, &test_dir_);
+    test_dir_ = test_dir_.AppendASCII("courgette");
+    test_dir_ = test_dir_.AppendASCII("testdata");
+  }
+
+  void TearDown() {
+  }
+
+  void ExpectExecutable(courgette::DisassemblerWin32X86* disassembler) const;
+
+  std::string FileContents(const char* file_name) const;
+
+  FilePath test_dir_;
+};
+
+//  Reads a test file into a string.
+std::string DisassemblerWin32X86Test::FileContents(
+    const char* file_name) const {
+
+  FilePath file_path = test_dir_;
+  file_path = file_path.AppendASCII(file_name);
+  std::string file_bytes;
+  if (!file_util::ReadFileToString(file_path, &file_bytes)) {
+    EXPECT_TRUE(!"Could not read test data");
+  }
+  return file_bytes;
+}
+
+void DisassemblerWin32X86Test::ExpectExecutable(
+    courgette::DisassemblerWin32X86* disassembler) const {
+
+  EXPECT_TRUE(disassembler->ok());
+  EXPECT_TRUE(disassembler->has_text_section());
+}
+
+void DisassemblerWin32X86Test::TestExe() const {
+  std::string file1 = FileContents("setup1.exe");
+
+  scoped_ptr<courgette::DisassemblerWin32X86> disassembler(
+      new courgette::DisassemblerWin32X86(file1.c_str(), file1.length()));
+
+  bool can_parse_header = disassembler->ParseHeader();
+  EXPECT_TRUE(can_parse_header);
+
+  // The executable is the whole file, not 'embedded' with the file
+  EXPECT_EQ(file1.length(), disassembler->length());
+
+  ExpectExecutable(disassembler.get());
+  EXPECT_EQ(449536U, disassembler->size_of_code());
+  EXPECT_EQ(courgette::DisassemblerWin32X86::SectionName(
+      disassembler->RVAToSection(0x00401234 - 0x00400000)),
+      std::string(".text"));
+
+  EXPECT_EQ(0, disassembler->RVAToFileOffset(0));
+  EXPECT_EQ(1024, disassembler->RVAToFileOffset(4096));
+  EXPECT_EQ(46928, disassembler->RVAToFileOffset(50000));
+
+  std::vector<courgette::RVA> relocs;
+  bool can_parse_relocs = disassembler->ParseRelocs(&relocs);
+  EXPECT_TRUE(can_parse_relocs);
+
+  const uint8* offset_p = disassembler->OffsetToPointer(0);
+  EXPECT_EQ(reinterpret_cast<const void*>(file1.c_str()),
+            reinterpret_cast<const void*>(offset_p));
+  EXPECT_EQ('M', offset_p[0]);
+  EXPECT_EQ('Z', offset_p[1]);
+
+  const uint8* rva_p = disassembler->RVAToPointer(0);
+  EXPECT_EQ(reinterpret_cast<const void*>(file1.c_str()),
+            reinterpret_cast<const void*>(rva_p));
+  EXPECT_EQ('M', rva_p[0]);
+  EXPECT_EQ('Z', rva_p[1]);
+}
+
+void DisassemblerWin32X86Test::TestResourceDll() const {
+  std::string file1 = FileContents("en-US.dll");
+
+  scoped_ptr<courgette::DisassemblerWin32X86> disassembler(
+      new courgette::DisassemblerWin32X86(file1.c_str(), file1.length()));
+
+  bool can_parse_header = disassembler->ParseHeader();
+  EXPECT_TRUE(can_parse_header);
+
+  // The executable is the whole file, not 'embedded' with the file
+  EXPECT_EQ(file1.length(), disassembler->length());
+
+  EXPECT_TRUE(disassembler->ok());
+  EXPECT_FALSE(disassembler->has_text_section());
+  EXPECT_EQ(0U, disassembler->size_of_code());
+}
+
+TEST_F(DisassemblerWin32X86Test, All) {
+  TestExe();
+  TestResourceDll();
+}