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| 1 // Copyright (c) 2017 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "chrome/browser/win/jumplist_file_util.h" |
| 6 |
| 7 #include <Shlwapi.h> |
| 8 #include <string> |
| 9 |
| 10 #include "base/files/file_util.h" |
| 11 #include "base/files/scoped_temp_dir.h" |
| 12 #include "testing/gtest/include/gtest/gtest.h" |
| 13 |
| 14 namespace { |
| 15 |
| 16 // Random text to write into a file. |
| 17 constexpr char kFileContent[] = "I'm random context."; |
| 18 |
| 19 // Maximum files allowed to delete and maximum attempt failures allowed. |
| 20 // For unit tests purpose only. |
| 21 const int kFileDeleteLimitForTest = 1; |
| 22 |
| 23 // Simple function to dump some text into a new file. |
| 24 void CreateTextFile(const base::FilePath& file_name, |
| 25 const std::string& contents) { |
| 26 // Since |contents|'s length is small here, static_cast won't cause overflow. |
| 27 ASSERT_EQ(static_cast<int>(contents.length()), |
| 28 base::WriteFile(file_name, contents.data(), contents.length())); |
| 29 ASSERT_TRUE(base::PathExists(file_name)); |
| 30 } |
| 31 |
| 32 } // namespace |
| 33 |
| 34 class JumpListFileUtilTest : public testing::Test { |
| 35 protected: |
| 36 // A temporary directory where all file IO operations take place . |
| 37 base::ScopedTempDir temp_dir_; |
| 38 |
| 39 // Get the path to the temporary directory. |
| 40 const base::FilePath& temp_dir_path() { return temp_dir_.GetPath(); } |
| 41 |
| 42 // Create a unique temporary directory. |
| 43 void SetUp() override { ASSERT_TRUE(temp_dir_.CreateUniqueTempDir()); } |
| 44 }; |
| 45 |
| 46 TEST_F(JumpListFileUtilTest, DeleteDirectoryContent) { |
| 47 base::FilePath dir_path = temp_dir_path(); |
| 48 |
| 49 // Create a file. |
| 50 base::FilePath file_name = |
| 51 dir_path.Append(FILE_PATH_LITERAL("TestDeleteFile.txt")); |
| 52 ASSERT_NO_FATAL_FAILURE(CreateTextFile(file_name, kFileContent)); |
| 53 |
| 54 // Delete the directory content using DeleteDirectoryContent(). The file |
| 55 // should be deleted and the directory remains. |
| 56 ASSERT_EQ(DeleteDirectoryContent(dir_path, kFileDeleteLimit), SUCCEED); |
| 57 EXPECT_FALSE(PathExists(file_name)); |
| 58 EXPECT_TRUE(DirectoryExists(dir_path)); |
| 59 } |
| 60 |
| 61 TEST_F(JumpListFileUtilTest, DeleteSubDirectory) { |
| 62 base::FilePath dir_path = temp_dir_path(); |
| 63 |
| 64 // Create a subdirectory. |
| 65 base::FilePath test_subdir = |
| 66 dir_path.Append(FILE_PATH_LITERAL("TestSubDirectory")); |
| 67 ASSERT_NO_FATAL_FAILURE(CreateDirectory(test_subdir)); |
| 68 |
| 69 // Delete the directory using DeleteDirectory(), which should fail because |
| 70 // a subdirectory exists. |
| 71 ASSERT_EQ(DeleteDirectory(dir_path, kFileDeleteLimit), |
| 72 FAIL_SUBDIRECTORY_EXISTS); |
| 73 EXPECT_TRUE(DirectoryExists(dir_path)); |
| 74 EXPECT_TRUE(DirectoryExists(test_subdir)); |
| 75 |
| 76 // Delete the subdirectory alone should be working. |
| 77 ASSERT_EQ(DeleteDirectory(test_subdir, kFileDeleteLimit), SUCCEED); |
| 78 EXPECT_TRUE(DirectoryExists(dir_path)); |
| 79 EXPECT_FALSE(DirectoryExists(test_subdir)); |
| 80 } |
| 81 |
| 82 TEST_F(JumpListFileUtilTest, DeleteMaxFilesAllowed) { |
| 83 base::FilePath dir_path = temp_dir_path(); |
| 84 |
| 85 // Create 2 files. |
| 86 base::FilePath file_name = |
| 87 dir_path.Append(FILE_PATH_LITERAL("TestDeleteFile1.txt")); |
| 88 ASSERT_NO_FATAL_FAILURE(CreateTextFile(file_name, kFileContent)); |
| 89 |
| 90 file_name = dir_path.Append(FILE_PATH_LITERAL("TestDeleteFile2.txt")); |
| 91 ASSERT_NO_FATAL_FAILURE(CreateTextFile(file_name, kFileContent)); |
| 92 |
| 93 // Delete the directory content using DeleteDirectoryContent(). |
| 94 // Sine the maximum files allowed to delete is 1, only 1 out of the 2 |
| 95 // files is deleted. Therefore, the directory is not empty yet. |
| 96 ASSERT_EQ(DeleteDirectoryContent(dir_path, kFileDeleteLimitForTest), SUCCEED); |
| 97 EXPECT_FALSE(::PathIsDirectoryEmpty(dir_path.value().c_str())); |
| 98 |
| 99 // Delete another file, and now the directory is empty. |
| 100 ASSERT_EQ(DeleteDirectoryContent(dir_path, kFileDeleteLimitForTest), SUCCEED); |
| 101 EXPECT_TRUE(::PathIsDirectoryEmpty(dir_path.value().c_str())); |
| 102 EXPECT_TRUE(DirectoryExists(dir_path)); |
| 103 } |
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