Add a basic backwards compatibility unittest.

courgette/encode_decode_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 <string>
-
-#include "base/path_service.h"
-#include "base/file_util.h"
-#include "base/string_util.h"
-
+#include "courgette/base_test_unittest.h"
 #include "courgette/courgette.h"
 #include "courgette/streams.h"
 
-#include "testing/gtest/include/gtest/gtest.h"
-
-class EncodeDecodeTest : public testing::Test {
+class EncodeDecodeTest : public BaseTest {
  public:
   void TestExe(const char *) const;
-
- private:
-  void SetUp() {
-    PathService::Get(base::DIR_SOURCE_ROOT, &testdata_dir_);
-    testdata_dir_ = testdata_dir_.AppendASCII("courgette");
-    testdata_dir_ = testdata_dir_.AppendASCII("testdata");
-  }
-
-  void TearDown() { }
-
-  // Returns contents of |file_name| as uninterprested bytes stored in a string.
-  std::string FileContents(const char* file_name) const;
-
-  FilePath testdata_dir_;  // Full path name of testdata directory
 };
 
-//  Reads a test file into a string.
-std::string EncodeDecodeTest::FileContents(const char* file_name) const {
-  FilePath file_path = testdata_dir_;
-  file_path = file_path.AppendASCII(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 =
@@ skipping 40 matching lines @@
   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");
 }