Move Courgette...

courgette/encode_decode_unittest.cc

+// Copyright (c) 2009 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 <string>
+
+#include "base/path_service.h"
+#include "base/file_util.h"
+#include "base/string_util.h"
+
+#include "courgette/courgette.h"
+#include "courgette/streams.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+class EncodeDecodeTest : public testing::Test {
+ public:
+  void TestExe(const char *) const;
+
+ private:
+  void SetUp() {
+    PathService::Get(base::DIR_SOURCE_ROOT, &testdata_dir_);
+    file_util::AppendToPath(&testdata_dir_, L"courgette");
+    file_util::AppendToPath(&testdata_dir_, L"testdata");
+  }
+
+  void TearDown() { }
+
+  // Returns contents of |file_name| as uninterprested bytes stored in a string.
+  std::string FileContents(const char* file_name) const;
+
+  std::wstring testdata_dir_;  // Full path name of testdata directory
+};
+
+//  Reads a test file into a string.
+std::string EncodeDecodeTest::FileContents(const char* file_name) const {
+  std::wstring file_path = testdata_dir_;
+  file_util::AppendToPath(&file_path, UTF8ToWide(file_name));
+  std::string file_contents;
+  if (!file_util::ReadFileToString(file_path, &file_contents)) {
+    EXPECT_TRUE(!"Could not read test data");
+  }
+  return file_contents;
+}
+
+void EncodeDecodeTest::TestExe(const char* file_name) const {
+  // Test top-level Courgette API for converting an a file to a binary
+  // assembly representation and back.
+  std::string file1 = FileContents(file_name);
+
+  const void* original_buffer = file1.c_str();
+  size_t original_length = file1.size();
+
+  courgette::AssemblyProgram* program = NULL;
+  const courgette::Status parse_status =
+    courgette::ParseWin32X86PE(original_buffer, original_length, &program);
+  EXPECT_EQ(courgette::C_OK, parse_status);
+
+  courgette::EncodedProgram* encoded = NULL;
+
+  const courgette::Status encode_status = Encode(program, &encoded);
+  EXPECT_EQ(courgette::C_OK, encode_status);
+
+  DeleteAssemblyProgram(program);
+
+  courgette::SinkStreamSet sinks;
+  const courgette::Status write_status = WriteEncodedProgram(encoded, &sinks);
+  EXPECT_EQ(courgette::C_OK, write_status);
+
+  DeleteEncodedProgram(encoded);
+
+  courgette::SinkStream sink;
+  bool can_collect = sinks.CopyTo(&sink);
+  EXPECT_TRUE(can_collect);
+
+  const void* buffer = sink.Buffer();
+  size_t length = sink.Length();
+
+  EXPECT_EQ(971850, length);
+
+  courgette::SourceStreamSet sources;
+  bool can_get_source_streams = sources.Init(buffer, length);
+  EXPECT_TRUE(can_get_source_streams);
+
+  courgette::EncodedProgram *encoded2 = NULL;
+  const courgette::Status read_status = ReadEncodedProgram(&sources, &encoded2);
+  EXPECT_EQ(courgette::C_OK, read_status);
+
+  courgette::SinkStream assembled;
+  const courgette::Status assemble_status = Assemble(encoded2, &assembled);
+  EXPECT_EQ(courgette::C_OK, assemble_status);
+
+  const void* assembled_buffer = assembled.Buffer();
+  size_t assembled_length = assembled.Length();
+
+  EXPECT_EQ(original_length, assembled_length);
+  EXPECT_EQ(0, memcmp(original_buffer, assembled_buffer, original_length));
+
+  DeleteEncodedProgram(encoded2);
+}
+
+
+TEST_F(EncodeDecodeTest, All) {
+  TestExe("setup1.exe");
+}