| // Copyright 2019 The Cobalt Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "starboard/file.h" |
| #include "starboard/nplb/file_helpers.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| #if SB_API_VERSION >= 12 |
| |
| namespace starboard { |
| namespace nplb { |
| namespace { |
| |
| static const char kTestContents[] = |
| "The quick brown fox jumps over the lazy dog."; |
| static const int kTestContentsLength = sizeof(kTestContents); |
| |
| bool CompareFileContentsToString(const char* filename, |
| const char* str, |
| int size) { |
| char result[kTestContentsLength] = {'\0'}; |
| |
| SbFileError error; |
| SbFile file = |
| SbFileOpen(filename, kSbFileOpenOnly | kSbFileRead, nullptr, &error); |
| |
| EXPECT_EQ(kSbFileOk, error); |
| |
| // We always try to read kTestContentsLength since the data will at most be |
| // this long. There are test cases where the number of bytes read will be |
| // less. |
| EXPECT_EQ(size, SbFileReadAll(file, result, kTestContentsLength)); |
| EXPECT_TRUE(SbFileClose(file)); |
| |
| return SbStringCompare(str, result, kTestContentsLength) == 0; |
| } |
| |
| TEST(SbFileAtomicReplaceTest, ReplacesValidFile) { |
| ScopedRandomFile random_file(ScopedRandomFile::kDefaultLength, |
| ScopedRandomFile::kCreate); |
| const std::string& filename = random_file.filename(); |
| |
| EXPECT_TRUE(SbFileExists(filename.c_str())); |
| EXPECT_TRUE(SbFileAtomicReplace(filename.c_str(), kTestContents, |
| kTestContentsLength)); |
| EXPECT_TRUE(CompareFileContentsToString(filename.c_str(), kTestContents, |
| kTestContentsLength)); |
| } |
| |
| TEST(SbFileAtomicReplaceTest, ReplacesNonExistentFile) { |
| ScopedRandomFile random_file(ScopedRandomFile::kDontCreate); |
| const std::string& filename = random_file.filename(); |
| |
| EXPECT_FALSE(SbFileExists(filename.c_str())); |
| EXPECT_TRUE(SbFileAtomicReplace(filename.c_str(), kTestContents, |
| kTestContentsLength)); |
| EXPECT_TRUE(CompareFileContentsToString(filename.c_str(), kTestContents, |
| kTestContentsLength)); |
| } |
| |
| TEST(SbFileAtomicReplaceTest, ReplacesWithNoData) { |
| ScopedRandomFile random_file(ScopedRandomFile::kCreate); |
| const std::string& filename = random_file.filename(); |
| |
| EXPECT_TRUE(SbFileExists(filename.c_str())); |
| EXPECT_TRUE(SbFileAtomicReplace(filename.c_str(), nullptr, 0)); |
| EXPECT_TRUE(CompareFileContentsToString(filename.c_str(), "\0", 0)); |
| } |
| |
| TEST(SbFileAtomicReplaceTest, FailsWithNoDataButLength) { |
| ScopedRandomFile random_file(ScopedRandomFile::kCreate); |
| const std::string& filename = random_file.filename(); |
| |
| EXPECT_TRUE(SbFileExists(filename.c_str())); |
| EXPECT_FALSE(SbFileAtomicReplace(filename.c_str(), nullptr, 1)); |
| } |
| |
| TEST(SbFileAtomicReplaceTest, FailsWithInvalidLength) { |
| ScopedRandomFile random_file(ScopedRandomFile::kCreate); |
| const std::string& filename = random_file.filename(); |
| |
| EXPECT_TRUE(SbFileExists(filename.c_str())); |
| EXPECT_FALSE(SbFileAtomicReplace(filename.c_str(), kTestContents, -1)); |
| } |
| |
| } // namespace |
| } // namespace nplb |
| } // namespace starboard |
| |
| #endif // SB_API_VERSION >= 12 |