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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_factory.h"
#include <cstddef>
#include <cstdint>
#include <memory>
#include <new>
#include <string>
#include <vector>
#include "absl/memory/memory.h"
#include "examples/file_reader_interface.h"
#include "gtest/gtest.h"
namespace libgav1 {
namespace {
class AlwaysFailFileReader : public FileReaderInterface {
public:
static std::unique_ptr<FileReaderInterface> Open(
const std::string& /*file_name*/, bool /*error_tolerant*/) {
return nullptr;
}
AlwaysFailFileReader() = delete;
AlwaysFailFileReader(const AlwaysFailFileReader&) = delete;
AlwaysFailFileReader& operator=(const AlwaysFailFileReader&) = delete;
// Note this isn't overridden as the class can never be instantiated. This
// avoids an unused function warning.
// ~AlwaysFailFileReader() override = default;
bool ReadTemporalUnit(std::vector<uint8_t>* /*data*/,
int64_t* /*pts*/) override {
return false;
}
bool IsEndOfFile() const override { return false; }
size_t width() const override { return 0; }
size_t height() const override { return 0; }
size_t frame_rate() const override { return 0; }
size_t time_scale() const override { return 0; }
static bool is_registered_;
};
class AlwaysOkFileReader : public FileReaderInterface {
public:
static std::unique_ptr<FileReaderInterface> Open(
const std::string& /*file_name*/, bool /*error_tolerant*/) {
auto reader = absl::WrapUnique(new (std::nothrow) AlwaysOkFileReader());
return reader;
}
AlwaysOkFileReader(const AlwaysOkFileReader&) = delete;
AlwaysOkFileReader& operator=(const AlwaysOkFileReader&) = delete;
~AlwaysOkFileReader() override = default;
bool ReadTemporalUnit(std::vector<uint8_t>* /*data*/,
int64_t* /*pts*/) override {
return true;
}
bool IsEndOfFile() const override { return true; }
size_t width() const override { return 1; }
size_t height() const override { return 1; }
size_t frame_rate() const override { return 1; }
size_t time_scale() const override { return 1; }
static bool is_registered_;
private:
AlwaysOkFileReader() = default;
};
bool AlwaysFailFileReader::is_registered_ =
FileReaderFactory::RegisterReader(AlwaysFailFileReader::Open);
bool AlwaysOkFileReader::is_registered_ =
FileReaderFactory::RegisterReader(AlwaysOkFileReader::Open);
TEST(FileReaderFactoryTest, RegistrationFail) {
EXPECT_FALSE(FileReaderFactory::RegisterReader(nullptr));
}
TEST(FileReaderFactoryTest, OpenReader) {
ASSERT_TRUE(AlwaysOkFileReader::is_registered_);
ASSERT_TRUE(AlwaysFailFileReader::is_registered_);
auto reader = FileReaderFactory::OpenReader("fake file");
EXPECT_NE(reader, nullptr);
EXPECT_TRUE(reader->IsEndOfFile());
EXPECT_TRUE(reader->ReadTemporalUnit(nullptr, nullptr));
EXPECT_EQ(reader->width(), 1);
EXPECT_EQ(reader->height(), 1);
EXPECT_EQ(reader->frame_rate(), 1);
EXPECT_EQ(reader->time_scale(), 1);
}
} // namespace
} // namespace libgav1
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