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/*
* Copyright (C) 2014 The Android Open Source Project
*
* 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 "dictionary/utils/format_utils.h"
#include <gtest/gtest.h>
#include <vector>
#include "utils/byte_array_view.h"
namespace latinime {
namespace {
TEST(FormatUtilsTest, TestMagicNumber) {
EXPECT_EQ(0x9BC13AFE, FormatUtils::MAGIC_NUMBER) << "Magic number must not be changed.";
}
const std::vector<uint8_t> getBuffer(const int magicNumber, const int version, const uint16_t flags,
const size_t headerSize) {
std::vector<uint8_t> buffer;
buffer.push_back(magicNumber >> 24);
buffer.push_back(magicNumber >> 16);
buffer.push_back(magicNumber >> 8);
buffer.push_back(magicNumber);
buffer.push_back(version >> 8);
buffer.push_back(version);
buffer.push_back(flags >> 8);
buffer.push_back(flags);
buffer.push_back(headerSize >> 24);
buffer.push_back(headerSize >> 16);
buffer.push_back(headerSize >> 8);
buffer.push_back(headerSize);
return buffer;
}
TEST(FormatUtilsTest, TestDetectFormatVersion) {
EXPECT_EQ(FormatUtils::UNKNOWN_VERSION,
FormatUtils::detectFormatVersion(ReadOnlyByteArrayView()));
{
const std::vector<uint8_t> buffer =
getBuffer(FormatUtils::MAGIC_NUMBER, FormatUtils::VERSION_2, 0, 0);
EXPECT_EQ(FormatUtils::VERSION_2, FormatUtils::detectFormatVersion(
ReadOnlyByteArrayView(buffer.data(), buffer.size())));
}
{
const std::vector<uint8_t> buffer =
getBuffer(FormatUtils::MAGIC_NUMBER, FormatUtils::VERSION_402, 0, 0);
EXPECT_EQ(FormatUtils::VERSION_402, FormatUtils::detectFormatVersion(
ReadOnlyByteArrayView(buffer.data(), buffer.size())));
}
{
const std::vector<uint8_t> buffer =
getBuffer(FormatUtils::MAGIC_NUMBER, FormatUtils::VERSION_403, 0, 0);
EXPECT_EQ(FormatUtils::VERSION_403, FormatUtils::detectFormatVersion(
ReadOnlyByteArrayView(buffer.data(), buffer.size())));
}
{
const std::vector<uint8_t> buffer =
getBuffer(FormatUtils::MAGIC_NUMBER - 1, FormatUtils::VERSION_2, 0, 0);
EXPECT_EQ(FormatUtils::UNKNOWN_VERSION, FormatUtils::detectFormatVersion(
ReadOnlyByteArrayView(buffer.data(), buffer.size())));
}
{
const std::vector<uint8_t> buffer =
getBuffer(FormatUtils::MAGIC_NUMBER, 100, 0, 0);
EXPECT_EQ(FormatUtils::UNKNOWN_VERSION, FormatUtils::detectFormatVersion(
ReadOnlyByteArrayView(buffer.data(), buffer.size())));
}
{
const std::vector<uint8_t> buffer =
getBuffer(FormatUtils::MAGIC_NUMBER, FormatUtils::VERSION_2, 0, 0);
EXPECT_EQ(FormatUtils::UNKNOWN_VERSION, FormatUtils::detectFormatVersion(
ReadOnlyByteArrayView(buffer.data(), buffer.size() - 1)));
}
}
} // namespace
} // namespace latinime
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