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// Copyright 2021 The libgav1 Authors
//
// 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 "examples/file_reader.h"
#include <cstdint>
#include <cstdio>
#include <memory>
#include <vector>
#include "examples/file_reader_interface.h"
#include "examples/file_reader_test_common.h"
#include "gtest/gtest.h"
#include "tests/utils.h"
namespace libgav1 {
namespace {
// For use with tests that expect Open() failure to distinguish failure due to
// the file contents versus failure due to a missing file.
bool FileCanBeRead(const std::string& filename) {
FILE* const file = fopen(filename.c_str(), "r");
if (file != nullptr) {
fclose(file);
return true;
}
return false;
}
TEST(FileReaderTest, FailOpen) {
EXPECT_EQ(FileReader::Open(""), nullptr);
const std::string filename =
test_utils::GetTestInputFilePath("ivf-signature-only");
SCOPED_TRACE("Filename: " + filename);
EXPECT_TRUE(FileCanBeRead(filename));
EXPECT_EQ(FileReader::Open(filename), nullptr);
}
TEST(FileReaderTest, Open) {
const std::string filenames[] = {
test_utils::GetTestInputFilePath("five-frames.ivf"),
test_utils::GetTestInputFilePath("ivf-header-and-truncated-frame-header"),
test_utils::GetTestInputFilePath("ivf-header-only"),
test_utils::GetTestInputFilePath("one-frame-truncated.ivf"),
test_utils::GetTestInputFilePath("one-frame.ivf"),
};
for (const auto& filename : filenames) {
EXPECT_NE(FileReader::Open(filename), nullptr) << "Filename: " << filename;
}
}
TEST_P(FileReaderFailTest, FailRead) {
ASSERT_FALSE(reader_->ReadTemporalUnit(&tu_data_, nullptr));
}
TEST_P(FileReaderErrorTolerant, ReadThroughEndOfFile) {
while (!reader_->IsEndOfFile()) {
tu_data_.clear();
ASSERT_TRUE(reader_->ReadTemporalUnit(&tu_data_, nullptr));
ASSERT_GT(tu_data_.size(), 0);
}
}
TEST_P(FileReaderTestNoTimeStamps, ReadThroughEndOfFile) {
while (!reader_->IsEndOfFile()) {
tu_data_.clear();
ASSERT_TRUE(reader_->ReadTemporalUnit(&tu_data_, nullptr));
}
}
TEST_P(FileReaderTestWithTimeStamps, ReadThroughEndOfFile) {
int64_t timestamp = 0;
while (!reader_->IsEndOfFile()) {
tu_data_.clear();
ASSERT_TRUE(reader_->ReadTemporalUnit(&tu_data_, ×tamp));
if (!tu_data_.empty()) {
last_timestamp_ = timestamp;
}
}
ASSERT_TRUE(tu_data_.empty());
ASSERT_EQ(last_timestamp_, expected_last_timestamp_);
}
INSTANTIATE_TEST_SUITE_P(
FailRead, FileReaderFailTest,
testing::Values(
FileReaderTestParameters(FileReader::Open,
"ivf-header-and-truncated-frame-header"),
FileReaderTestParameters(FileReader::Open, "one-frame-truncated.ivf")));
INSTANTIATE_TEST_SUITE_P(ReadThroughEndOfFile, FileReaderErrorTolerant,
testing::Values(FileReaderTestParameters(
FileReader::Open, "one-frame-truncated.ivf")));
INSTANTIATE_TEST_SUITE_P(
ReadThroughEndOfFile, FileReaderTestNoTimeStamps,
testing::Values(FileReaderTestParameters(FileReader::Open, "one-frame.ivf"),
FileReaderTestParameters(FileReader::Open,
"one-frame-large-timestamp.ivf"),
FileReaderTestParameters(FileReader::Open,
"five-frames.ivf")));
INSTANTIATE_TEST_SUITE_P(
ReadThroughEndOfFile, FileReaderTestWithTimeStamps,
testing::Values(
FileReaderTestWithTimeStampsParameters(FileReader::Open,
"one-frame.ivf", 0),
FileReaderTestWithTimeStampsParameters(FileReader::Open,
"one-frame-large-timestamp.ivf",
4294967296),
FileReaderTestWithTimeStampsParameters(FileReader::Open,
"five-frames.ivf", 4)));
} // namespace
} // namespace libgav1
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