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| 1 // Copyright 2015 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 "files/public/c/tests/test_utils.h" | |
| 6 | |
| 7 #include "files/public/c/lib/template_util.h" | |
| 8 #include "files/public/interfaces/file.mojom.h" | |
| 9 #include "files/public/interfaces/types.mojom.h" | |
| 10 #include "mojo/public/cpp/environment/logging.h" | |
| 11 | |
| 12 namespace mojio { | |
| 13 namespace test { | |
| 14 | |
| 15 void MakeDirAt(mojo::files::DirectoryPtr* root, const char* path) { | |
| 16 MOJO_CHECK(root); | |
| 17 MOJO_CHECK(path); | |
| 18 mojo::files::DirectoryPtr& dir = *root; | |
| 19 | |
| 20 mojo::files::Error error = mojo::files::Error::INTERNAL; | |
| 21 dir->OpenDirectory(path, nullptr, | |
| 22 mojo::files::kOpenFlagRead | mojo::files::kOpenFlagWrite | | |
| 23 mojo::files::kOpenFlagCreate, | |
| 24 Capture(&error)); | |
| 25 MOJO_CHECK(dir.WaitForIncomingResponse()); | |
| 26 MOJO_CHECK(error == mojo::files::Error::OK); | |
| 27 } | |
| 28 | |
| 29 mojo::files::FilePtr OpenFileAt(mojo::files::DirectoryPtr* root, | |
| 30 const char* path, | |
| 31 uint32_t open_flags) { | |
| 32 MOJO_CHECK(root); | |
| 33 MOJO_CHECK(path); | |
| 34 mojo::files::DirectoryPtr& dir = *root; | |
| 35 | |
| 36 mojo::files::FilePtr file; | |
| 37 mojo::files::Error error = mojo::files::Error::INTERNAL; | |
| 38 dir->OpenFile(path, mojo::GetProxy(&file), open_flags, Capture(&error)); | |
| 39 MOJO_CHECK(dir.WaitForIncomingResponse()); | |
| 40 if (error != mojo::files::Error::OK) | |
| 41 return nullptr; | |
| 42 | |
| 43 return file.Pass(); | |
| 44 } | |
| 45 | |
| 46 void CreateTestFileAt(mojo::files::DirectoryPtr* root, | |
| 47 const char* path, | |
| 48 size_t size) { | |
| 49 mojo::files::FilePtr file = OpenFileAt( | |
| 50 root, path, mojo::files::kOpenFlagWrite | mojo::files::kOpenFlagCreate | | |
| 51 mojo::files::kOpenFlagExclusive); | |
| 52 MOJO_CHECK(file); | |
| 53 | |
| 54 if (!size) | |
| 55 return; | |
| 56 | |
| 57 std::vector<uint8_t> bytes_to_write(size); | |
| 58 for (size_t i = 0; i < size; i++) | |
| 59 bytes_to_write[i] = static_cast<uint8_t>(i); | |
| 60 mojo::files::Error error = mojo::files::Error::INTERNAL; | |
| 61 uint32_t num_bytes_written = 0; | |
| 62 file->Write(mojo::Array<uint8_t>::From(bytes_to_write), 0, | |
| 63 mojo::files::Whence::FROM_CURRENT, | |
| 64 Capture(&error, &num_bytes_written)); | |
| 65 MOJO_CHECK(file.WaitForIncomingResponse()); | |
| 66 MOJO_CHECK(error == mojo::files::Error::OK); | |
| 67 MOJO_CHECK(num_bytes_written == bytes_to_write.size()); | |
| 68 } | |
| 69 | |
| 70 int64_t GetFileSize(mojo::files::DirectoryPtr* root, const char* path) { | |
| 71 mojo::files::FilePtr file = | |
| 72 OpenFileAt(root, path, mojo::files::kOpenFlagRead); | |
| 73 if (!file) | |
| 74 return -1; | |
| 75 | |
| 76 // Seek to the end to get the file size (we could also stat). | |
| 77 mojo::files::Error error = mojo::files::Error::INTERNAL; | |
| 78 int64_t position = -1; | |
| 79 file->Seek(0, mojo::files::Whence::FROM_END, Capture(&error, &position)); | |
| 80 MOJO_CHECK(file.WaitForIncomingResponse()); | |
| 81 MOJO_CHECK(error == mojo::files::Error::OK); | |
| 82 MOJO_CHECK(position >= 0); | |
| 83 return position; | |
| 84 } | |
| 85 | |
| 86 std::string GetFileContents(mojo::files::DirectoryPtr* root, const char* path) { | |
| 87 mojo::files::FilePtr file = | |
| 88 OpenFileAt(root, path, mojo::files::kOpenFlagRead); | |
| 89 MOJO_CHECK(file); | |
| 90 | |
| 91 mojo::Array<uint8_t> bytes_read; | |
| 92 mojo::files::Error error = mojo::files::Error::INTERNAL; | |
| 93 file->Read(1024 * 1024, 0, mojo::files::Whence::FROM_START, | |
| 94 Capture(&error, &bytes_read)); | |
| 95 MOJO_CHECK(file.WaitForIncomingResponse()); | |
| 96 if (!bytes_read.size()) | |
| 97 return std::string(); | |
| 98 return std::string(reinterpret_cast<const char*>(&bytes_read[0]), | |
| 99 bytes_read.size()); | |
| 100 } | |
| 101 | |
| 102 } // namespace test | |
| 103 } // namespace mojio | |
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