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Add tests for POSIX fstat, lseek, and read. (#2602)
b/302715109 Test-On-Device: true Change-Id: I4db736278c54cdf1af85ba03836361f68796aa8f (cherry picked from commit ca46052)
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starboard/nplb/posix_compliance/posix_file_get_info_test.cc
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| // Copyright 2024 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. | ||
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| #include <fcntl.h> | ||
| #include <sys/socket.h> | ||
| #include <sys/stat.h> | ||
| #include <unistd.h> | ||
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| #include <iostream> | ||
| #include <string> | ||
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| #include "starboard/common/time.h" | ||
| #include "starboard/file.h" | ||
| #include "starboard/nplb/file_helpers.h" | ||
| #include "starboard/system.h" | ||
| #include "testing/gtest/include/gtest/gtest.h" | ||
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| namespace starboard { | ||
| namespace nplb { | ||
| namespace { | ||
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| inline int64_t TimeTToWindowsUsec(time_t time) { | ||
| int64_t posix_usec = static_cast<int64_t>(time) * 1000000; | ||
| return PosixTimeToWindowsTime(posix_usec); | ||
| } | ||
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| TEST(PosixFileGetInfoTest, InvalidFileErrors) { | ||
| struct stat info; | ||
| int result = fstat(-1, &info); | ||
| EXPECT_FALSE(result == 0); | ||
| } | ||
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| TEST(PosixFileGetInfoTest, WorksOnARegularFile) { | ||
| // This test is potentially flaky because it's comparing times. So, building | ||
| // in extra sensitivity to make flakiness more apparent. | ||
| const int kTrials = 100; | ||
| for (int i = 0; i < kTrials; ++i) { | ||
| // We can't assume filesystem timestamp precision, so go back a minute | ||
| // for a better chance to contain the imprecision and rounding errors. | ||
| const int64_t kOneMinuteInMicroseconds = 60'000'000; | ||
| int64_t time = | ||
| PosixTimeToWindowsTime(CurrentPosixTime()) - kOneMinuteInMicroseconds; | ||
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| const int kFileSize = 12; | ||
| starboard::nplb::ScopedRandomFile random_file(kFileSize); | ||
| const std::string& filename = random_file.filename(); | ||
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| int file = open(filename.c_str(), O_RDONLY); | ||
| ASSERT_TRUE(file >= 0); | ||
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| { | ||
| struct stat info; | ||
| int result = fstat(file, &info); | ||
| EXPECT_EQ(kFileSize, info.st_size); | ||
| EXPECT_FALSE(S_ISDIR(info.st_mode)); | ||
| EXPECT_FALSE(S_ISLNK(info.st_mode)); | ||
| EXPECT_LE(time, TimeTToWindowsUsec(info.st_atime)); | ||
| EXPECT_LE(time, TimeTToWindowsUsec(info.st_atime)); | ||
| EXPECT_LE(time, TimeTToWindowsUsec(info.st_ctime)); | ||
| } | ||
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| int result = close(file); | ||
| EXPECT_TRUE(result == 0); | ||
| } | ||
| } | ||
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| TEST(PosixFileGetInfoTest, WorksOnStaticContentFiles) { | ||
| int count = 1; | ||
| for (auto filename : GetFileTestsFilePaths()) { | ||
| int file = open(filename.c_str(), O_RDONLY); | ||
| ASSERT_TRUE(file >= 0); | ||
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| struct stat info; | ||
| EXPECT_TRUE(fstat(file, &info) == 0); | ||
| size_t content_length = GetTestFileExpectedContent(filename).length(); | ||
| EXPECT_EQ(content_length, info.st_size); | ||
| EXPECT_FALSE(S_ISDIR(info.st_mode)); | ||
| EXPECT_FALSE(S_ISLNK(info.st_mode)); | ||
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| EXPECT_TRUE(close(file) == 0); | ||
| } | ||
| } | ||
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| } // namespace | ||
| } // namespace nplb | ||
| } // namespace starboard |
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