104 lines
3.7 KiB
C++
104 lines
3.7 KiB
C++
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "dictionary/utils/format_utils.h"
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#include <gtest/gtest.h>
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#include <vector>
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#include "utils/byte_array_view.h"
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namespace latinime {
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namespace {
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TEST(FormatUtilsTest, TestMagicNumber) {
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EXPECT_EQ(0x9BC13AFE, FormatUtils::MAGIC_NUMBER) << "Magic number must not be changed.";
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}
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const std::vector<uint8_t> getBuffer(const int magicNumber, const int version, const uint16_t flags,
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const size_t headerSize) {
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std::vector<uint8_t> buffer;
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buffer.push_back(magicNumber >> 24);
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buffer.push_back(magicNumber >> 16);
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buffer.push_back(magicNumber >> 8);
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buffer.push_back(magicNumber);
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buffer.push_back(version >> 8);
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buffer.push_back(version);
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buffer.push_back(flags >> 8);
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buffer.push_back(flags);
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buffer.push_back(headerSize >> 24);
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buffer.push_back(headerSize >> 16);
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buffer.push_back(headerSize >> 8);
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buffer.push_back(headerSize);
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return buffer;
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}
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TEST(FormatUtilsTest, TestDetectFormatVersion) {
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EXPECT_EQ(FormatUtils::UNKNOWN_VERSION,
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FormatUtils::detectFormatVersion(ReadOnlyByteArrayView()));
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{
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const std::vector<uint8_t> buffer =
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getBuffer(FormatUtils::MAGIC_NUMBER, FormatUtils::VERSION_2, 0, 0);
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EXPECT_EQ(FormatUtils::UNKNOWN_VERSION, FormatUtils::detectFormatVersion(
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ReadOnlyByteArrayView(buffer.data(), buffer.size())));
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}
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{
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const std::vector<uint8_t> buffer =
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getBuffer(FormatUtils::MAGIC_NUMBER, FormatUtils::VERSION_202, 0, 0);
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EXPECT_EQ(FormatUtils::VERSION_202, FormatUtils::detectFormatVersion(
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ReadOnlyByteArrayView(buffer.data(), buffer.size())));
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}
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{
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const std::vector<uint8_t> buffer =
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getBuffer(FormatUtils::MAGIC_NUMBER, FormatUtils::VERSION_402, 0, 0);
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EXPECT_EQ(FormatUtils::VERSION_402, FormatUtils::detectFormatVersion(
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ReadOnlyByteArrayView(buffer.data(), buffer.size())));
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}
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{
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const std::vector<uint8_t> buffer =
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getBuffer(FormatUtils::MAGIC_NUMBER, FormatUtils::VERSION_403, 0, 0);
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EXPECT_EQ(FormatUtils::VERSION_403, FormatUtils::detectFormatVersion(
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ReadOnlyByteArrayView(buffer.data(), buffer.size())));
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}
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{
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const std::vector<uint8_t> buffer =
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getBuffer(FormatUtils::MAGIC_NUMBER - 1, FormatUtils::VERSION_402, 0, 0);
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EXPECT_EQ(FormatUtils::UNKNOWN_VERSION, FormatUtils::detectFormatVersion(
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ReadOnlyByteArrayView(buffer.data(), buffer.size())));
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}
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{
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const std::vector<uint8_t> buffer =
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getBuffer(FormatUtils::MAGIC_NUMBER, 100, 0, 0);
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EXPECT_EQ(FormatUtils::UNKNOWN_VERSION, FormatUtils::detectFormatVersion(
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ReadOnlyByteArrayView(buffer.data(), buffer.size())));
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}
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{
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const std::vector<uint8_t> buffer =
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getBuffer(FormatUtils::MAGIC_NUMBER, FormatUtils::VERSION_402, 0, 0);
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EXPECT_EQ(FormatUtils::UNKNOWN_VERSION, FormatUtils::detectFormatVersion(
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ReadOnlyByteArrayView(buffer.data(), buffer.size() - 1)));
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}
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}
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} // namespace
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} // namespace latinime
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