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#include "base/file_util_mock.h"

#include "testing/base/public/gunit.h"

namespace mozc {

// class FileUtilMockTest : public testing::Test {};

TEST(FileUtilMockTest, DirectoryMockTests) {
  FileUtilMock mock;

  EXPECT_TRUE(FileUtil::CreateDirectory("/tmp/mozc"));
  EXPECT_TRUE(FileUtil::RemoveDirectory("/tmp/mozc"));
  EXPECT_FALSE(FileUtil::DirectoryExists("/tmp/no_mozc"));
  EXPECT_FALSE(FileUtil::DirectoryExists("/tmp/"));  // Limitation of mock.
}

TEST(FileUtilMockTest, FileMockTests) {
  FileUtilMock mock;

  mock.CreateFile("/mozc/file.txt");
  EXPECT_TRUE(FileUtil::Unlink("/mozc/file.txt"));
  EXPECT_FALSE(FileUtil::FileExists("/mozc/file.txt"));

  mock.CreateFile("/mozc/file1.txt");
  mock.CreateFile("/mozc/file2.txt");
  EXPECT_FALSE(FileUtil::IsEqualFile("/mozc/file1.txt", "/mozc/file2.txt"));

  EXPECT_TRUE(FileUtil::CopyFile("/mozc/file2.txt", "/mozc/file3.txt"));
  EXPECT_TRUE(FileUtil::IsEqualFile("/mozc/file2.txt", "/mozc/file3.txt"));

  EXPECT_TRUE(FileUtil::AtomicRename("/mozc/file3.txt", "/mozc/file4.txt"));
  EXPECT_FALSE(FileUtil::FileExists("/mozc/file3.txt"));
  EXPECT_TRUE(FileUtil::FileExists("/mozc/file4.txt"));
  EXPECT_TRUE(FileUtil::IsEqualFile("/mozc/file2.txt", "/mozc/file4.txt"));

  FileTimeStamp time1;
  EXPECT_TRUE(FileUtil::GetModificationTime("/mozc/file1.txt", &time1));
  FileTimeStamp time2;
  EXPECT_TRUE(FileUtil::GetModificationTime("/mozc/file2.txt", &time2));
  EXPECT_NE(time1, time2);

  FileTimeStamp time3;
  EXPECT_FALSE(FileUtil::GetModificationTime("/mozc/file3.txt", &time3));
  FileTimeStamp time4;
  EXPECT_TRUE(FileUtil::GetModificationTime("/mozc/file4.txt", &time4));
  EXPECT_EQ(time2, time4);
}

}  // namespace mozc
