text: // 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 "butil/file_util.h"
  #include "butil/files/file.h"
  #include "butil/files/scoped_temp_dir.h"
  #include <gtest/gtest.h>
  
  namespace butil {
  
  TEST(ScopedTempDir, FullPath) {
    FilePath test_path;
    butil::CreateNewTempDirectory(FILE_PATH_LITERAL("scoped_temp_dir"),
                                 &test_path);
  
    // Against an existing dir, it should get destroyed when leaving scope.
    EXPECT_TRUE(DirectoryExists(test_path));
    {
      ScopedTempDir dir;
      EXPECT_TRUE(dir.Set(test_path));
      EXPECT_TRUE(dir.IsValid());
    }
    EXPECT_FALSE(DirectoryExists(test_path));
  
    {
      ScopedTempDir dir;
      EXPECT_TRUE(dir.Set(test_path));
      // Now the dir doesn't exist, so ensure that it gets created.
      EXPECT_TRUE(DirectoryExists(test_path));
      // When we call Release(), it shouldn't get destroyed when leaving scope.
      FilePath path = dir.Take();
      EXPECT_EQ(path.value(), test_path.value());
      EXPECT_FALSE(dir.IsValid());
    }
    EXPECT_TRUE(DirectoryExists(test_path));
  
    // Clean up.
    {
      ScopedTempDir dir;
      EXPECT_TRUE(dir.Set(test_path));
    }
    EXPECT_FALSE(DirectoryExists(test_path));
  }
  
  TEST(ScopedTempDir, TempDir) {
    // In this case, just verify that a directory was created and that it's a
    // child of TempDir.
    FilePath test_path;
    {
      ScopedTempDir dir;
      EXPECT_TRUE(dir.CreateUniqueTempDir());
      test_path = dir.path();
      EXPECT_TRUE(DirectoryExists(test_path));
      FilePath tmp_dir;
      EXPECT_TRUE(butil::GetTempDir(&tmp_dir));
      EXPECT_TRUE(test_path.value().find(tmp_dir.value()) != std::string::npos);
    }
    EXPECT_FALSE(DirectoryExists(test_path));
  }
  
  TEST(ScopedTempDir, UniqueTempDirUnderPath) {
    // Create a path which will contain a unique temp path.
    FilePath base_path;
    ASSERT_TRUE(butil::CreateNewTempDirectory(FILE_PATH_LITERAL("base_dir"),
                                             &base_path));
  
    FilePath test_path;
    {
      ScopedTempDir dir;
      EXPECT_TRUE(dir.CreateUniqueTempDirUnderPath(base_path));
      test_path = dir.path();
      EXPECT_TRUE(DirectoryExists(test_path));
      EXPECT_TRUE(base_path.IsParent(test_path));
      EXPECT_TRUE(test_path.value().find(base_path.value()) != std::string::npos);
    }
    EXPECT_FALSE(DirectoryExists(test_path));
    butil::DeleteFile(base_path, true);
  }
  
  TEST(ScopedTempDir, MultipleInvocations) {
    ScopedTempDir dir;
    EXPECT_TRUE(dir.CreateUniqueTempDir());
    EXPECT_FALSE(dir.CreateUniqueTempDir());
    EXPECT_TRUE(dir.Delete());
    EXPECT_TRUE(dir.CreateUniqueTempDir());
    EXPECT_FALSE(dir.CreateUniqueTempDir());
    ScopedTempDir other_dir;
    EXPECT_TRUE(other_dir.Set(dir.Take()));
    EXPECT_TRUE(dir.CreateUniqueTempDir());
    EXPECT_FALSE(dir.CreateUniqueTempDir());
    EXPECT_FALSE(other_dir.CreateUniqueTempDir());
  }
  
  #if defined(OS_WIN)
  TEST(ScopedTempDir, LockedTempDir) {
    ScopedTempDir dir;
    EXPECT_TRUE(dir.CreateUniqueTempDir());
    butil::File file(dir.path().Append(FILE_PATH_LITERAL("temp")),
                    butil::File::FLAG_CREATE_ALWAYS | butil::File::FLAG_WRITE);
    EXPECT_TRUE(file.IsValid());
    EXPECT_EQ(butil::File::FILE_OK, file.error_details());
    EXPECT_FALSE(dir.Delete());  // We should not be able to delete.
    EXPECT_FALSE(dir.path().empty());  // We should still have a valid path.
    file.Close();
    // Now, we should be able to delete.
    EXPECT_TRUE(dir.Delete());
  }
  #endif  // defined(OS_WIN)
  
  }  // namespace butil
  