For c++, Generate enum classes instead of enum from mojom.

services/files/directory_impl_unittest.cc

 // Copyright 2015 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 <map>
 #include <string>
 
 #include "services/files/files_test_base.h"
 
 namespace mojo {
@@ skipping 10 matching lines @@
   // Make some files.
   const struct {
     const char* name;
     uint32_t open_flags;
   } files_to_create[] = {
       {"my_file1", kOpenFlagRead | kOpenFlagWrite | kOpenFlagCreate},
       {"my_file2", kOpenFlagWrite | kOpenFlagCreate | kOpenFlagExclusive},
       {"my_file3", kOpenFlagWrite | kOpenFlagCreate | kOpenFlagAppend},
       {"my_file4", kOpenFlagWrite | kOpenFlagCreate | kOpenFlagTruncate}};
   for (size_t i = 0; i < arraysize(files_to_create); i++) {
-    error = ERROR_INTERNAL;
+    error = Error::INTERNAL;
     directory->OpenFile(files_to_create[i].name, nullptr,
                         files_to_create[i].open_flags, Capture(&error));
     ASSERT_TRUE(directory.WaitForIncomingResponse());
-    EXPECT_EQ(ERROR_OK, error);
+    EXPECT_EQ(Error::OK, error);
   }
   // Make a directory.
-  error = ERROR_INTERNAL;
+  error = Error::INTERNAL;
   directory->OpenDirectory("my_dir", nullptr,
                            kOpenFlagRead | kOpenFlagWrite | kOpenFlagCreate,
                            Capture(&error));
   ASSERT_TRUE(directory.WaitForIncomingResponse());
-  EXPECT_EQ(ERROR_OK, error);
+  EXPECT_EQ(Error::OK, error);
 
-  error = ERROR_INTERNAL;
+  error = Error::INTERNAL;
   Array<DirectoryEntryPtr> directory_contents;
   directory->Read(Capture(&error, &directory_contents));
   ASSERT_TRUE(directory.WaitForIncomingResponse());
-  EXPECT_EQ(ERROR_OK, error);
+  EXPECT_EQ(Error::OK, error);
 
   // Expected contents of the directory.
   std::map<std::string, FileType> expected_contents;
-  expected_contents["my_file1"] = FILE_TYPE_REGULAR_FILE;
-  expected_contents["my_file2"] = FILE_TYPE_REGULAR_FILE;
-  expected_contents["my_file3"] = FILE_TYPE_REGULAR_FILE;
-  expected_contents["my_file4"] = FILE_TYPE_REGULAR_FILE;
-  expected_contents["my_dir"] = FILE_TYPE_DIRECTORY;
-  expected_contents["."] = FILE_TYPE_DIRECTORY;
-  expected_contents[".."] = FILE_TYPE_DIRECTORY;
+  expected_contents["my_file1"] = FileType::REGULAR_FILE;
+  expected_contents["my_file2"] = FileType::REGULAR_FILE;
+  expected_contents["my_file3"] = FileType::REGULAR_FILE;
+  expected_contents["my_file4"] = FileType::REGULAR_FILE;
+  expected_contents["my_dir"] = FileType::DIRECTORY;
+  expected_contents["."] = FileType::DIRECTORY;
+  expected_contents[".."] = FileType::DIRECTORY;
 
   EXPECT_EQ(expected_contents.size(), directory_contents.size());
   for (size_t i = 0; i < directory_contents.size(); i++) {
     ASSERT_TRUE(directory_contents[i]);
     ASSERT_TRUE(directory_contents[i]->name);
     auto it = expected_contents.find(directory_contents[i]->name.get());
     ASSERT_TRUE(it != expected_contents.end());
     EXPECT_EQ(it->second, directory_contents[i]->type);
     expected_contents.erase(it);
   }
 }
 
 // Note: Ignore nanoseconds, since it may not always be supported. We expect at
 // least second-resolution support though.
 // TODO(vtl): Maybe share this with |FileImplTest.StatTouch| ... but then it'd
 // be harder to split this file.
 TEST_F(DirectoryImplTest, StatTouch) {
   DirectoryPtr directory;
   GetTemporaryRoot(&directory);
   Error error;
 
   // Stat it.
-  error = ERROR_INTERNAL;
+  error = Error::INTERNAL;
   FileInformationPtr file_info;
   directory->Stat(Capture(&error, &file_info));
   ASSERT_TRUE(directory.WaitForIncomingResponse());
-  EXPECT_EQ(ERROR_OK, error);
+  EXPECT_EQ(Error::OK, error);
   ASSERT_FALSE(file_info.is_null());
-  EXPECT_EQ(FILE_TYPE_DIRECTORY, file_info->type);
+  EXPECT_EQ(FileType::DIRECTORY, file_info->type);
   EXPECT_EQ(0, file_info->size);
   ASSERT_FALSE(file_info->atime.is_null());
   EXPECT_GT(file_info->atime->seconds, 0);  // Expect that it's not 1970-01-01.
   ASSERT_FALSE(file_info->mtime.is_null());
   EXPECT_GT(file_info->mtime->seconds, 0);
   int64_t first_mtime = file_info->mtime->seconds;
 
   // Touch only the atime.
-  error = ERROR_INTERNAL;
+  error = Error::INTERNAL;
   TimespecOrNowPtr t(TimespecOrNow::New());
   t->now = false;
   t->timespec = Timespec::New();
   const int64_t kPartyTime1 = 1234567890;  // Party like it's 2009-02-13.
   t->timespec->seconds = kPartyTime1;
   directory->Touch(t.Pass(), nullptr, Capture(&error));
   ASSERT_TRUE(directory.WaitForIncomingResponse());
-  EXPECT_EQ(ERROR_OK, error);
+  EXPECT_EQ(Error::OK, error);
 
   // Stat again.
-  error = ERROR_INTERNAL;
+  error = Error::INTERNAL;
   file_info.reset();
   directory->Stat(Capture(&error, &file_info));
   ASSERT_TRUE(directory.WaitForIncomingResponse());
-  EXPECT_EQ(ERROR_OK, error);
+  EXPECT_EQ(Error::OK, error);
   ASSERT_FALSE(file_info.is_null());
   ASSERT_FALSE(file_info->atime.is_null());
   EXPECT_EQ(kPartyTime1, file_info->atime->seconds);
   ASSERT_FALSE(file_info->mtime.is_null());
   EXPECT_EQ(first_mtime, file_info->mtime->seconds);
 
   // Touch only the mtime.
   t = TimespecOrNow::New();
   t->now = false;
   t->timespec = Timespec::New();
   const int64_t kPartyTime2 = 1425059525;  // No time like the present.
   t->timespec->seconds = kPartyTime2;
   directory->Touch(nullptr, t.Pass(), Capture(&error));
   ASSERT_TRUE(directory.WaitForIncomingResponse());
-  EXPECT_EQ(ERROR_OK, error);
+  EXPECT_EQ(Error::OK, error);
 
   // Stat again.
-  error = ERROR_INTERNAL;
+  error = Error::INTERNAL;
   file_info.reset();
   directory->Stat(Capture(&error, &file_info));
   ASSERT_TRUE(directory.WaitForIncomingResponse());
-  EXPECT_EQ(ERROR_OK, error);
+  EXPECT_EQ(Error::OK, error);
   ASSERT_FALSE(file_info.is_null());
   ASSERT_FALSE(file_info->atime.is_null());
   EXPECT_EQ(kPartyTime1, file_info->atime->seconds);
   ASSERT_FALSE(file_info->mtime.is_null());
   EXPECT_EQ(kPartyTime2, file_info->mtime->seconds);
 
   // TODO(vtl): Also test Touch() "now" options.
   // TODO(vtl): Also test touching both atime and mtime.
 }
 
 // TODO(vtl): Properly test OpenFile() and OpenDirectory() (including flags).
 
 TEST_F(DirectoryImplTest, BasicRenameDelete) {
   DirectoryPtr directory;
   GetTemporaryRoot(&directory);
   Error error;
 
   // Create my_file.
-  error = ERROR_INTERNAL;
+  error = Error::INTERNAL;
   directory->OpenFile("my_file", nullptr, kOpenFlagWrite | kOpenFlagCreate,
                       Capture(&error));
   ASSERT_TRUE(directory.WaitForIncomingResponse());
-  EXPECT_EQ(ERROR_OK, error);
+  EXPECT_EQ(Error::OK, error);
 
   // Opening my_file should succeed.
-  error = ERROR_INTERNAL;
+  error = Error::INTERNAL;
   directory->OpenFile("my_file", nullptr, kOpenFlagRead, Capture(&error));
   ASSERT_TRUE(directory.WaitForIncomingResponse());
-  EXPECT_EQ(ERROR_OK, error);
+  EXPECT_EQ(Error::OK, error);
 
   // Rename my_file to my_new_file.
   directory->Rename("my_file", "my_new_file", Capture(&error));
   ASSERT_TRUE(directory.WaitForIncomingResponse());
-  EXPECT_EQ(ERROR_OK, error);
+  EXPECT_EQ(Error::OK, error);
 
   // Opening my_file should fail.
-  error = ERROR_INTERNAL;
+  error = Error::INTERNAL;
   directory->OpenFile("my_file", nullptr, kOpenFlagRead, Capture(&error));
   ASSERT_TRUE(directory.WaitForIncomingResponse());
-  EXPECT_EQ(ERROR_UNKNOWN, error);
+  EXPECT_EQ(Error::UNKNOWN, error);
 
   // Opening my_new_file should succeed.
-  error = ERROR_INTERNAL;
+  error = Error::INTERNAL;
   directory->OpenFile("my_new_file", nullptr, kOpenFlagRead, Capture(&error));
   ASSERT_TRUE(directory.WaitForIncomingResponse());
-  EXPECT_EQ(ERROR_OK, error);
+  EXPECT_EQ(Error::OK, error);
 
   // Delete my_new_file (no flags).
   directory->Delete("my_new_file", 0, Capture(&error));
   ASSERT_TRUE(directory.WaitForIncomingResponse());
-  EXPECT_EQ(ERROR_OK, error);
+  EXPECT_EQ(Error::OK, error);
 
   // Opening my_new_file should fail.
-  error = ERROR_INTERNAL;
+  error = Error::INTERNAL;
   directory->OpenFile("my_new_file", nullptr, kOpenFlagRead, Capture(&error));
   ASSERT_TRUE(directory.WaitForIncomingResponse());
-  EXPECT_EQ(ERROR_UNKNOWN, error);
+  EXPECT_EQ(Error::UNKNOWN, error);
 }
 
 // TODO(vtl): Test that an open file can be moved (by someone else) without
 // operations on it being affected.
 // TODO(vtl): Test delete flags.
 
 }  // namespace
 }  // namespace files
 }  // namespace mojo