////  Created by Bradley Austin Davis on 2016/02/17//  Copyright 2013-2017 High Fidelity, Inc.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// #include "StorageTests.h" #include <memory> QTEST_MAIN(StorageTests) using namespace storage; StorageTests::StorageTests() {    for (size_t i = 0; i < _testData.size(); ++i) {        _testData[i] = (uint8_t)rand();    }    _testFile = QDir::tempPath() + "/" + QUuid::createUuid().toString();} StorageTests::~StorageTests() {    QFileInfo fileInfo(_testFile);    if (fileInfo.exists()) {        QFile(_testFile).remove();    }}  void StorageTests::testConversion() {    {        QFileInfo fileInfo(_testFile);        QCOMPARE(fileInfo.exists(), false);    }    StoragePointer storagePointer = std::unique_ptr<MemoryStorage>(new MemoryStorage(_testData.size(), _testData.data()));    QCOMPARE(storagePointer->size(), _testData.size());    QCOMPARE(memcmp(_testData.data(), storagePointer->data(), _testData.size()), 0);    // Convert to a file    storagePointer = storagePointer->toFileStorage(_testFile);    {        QFileInfo fileInfo(_testFile);        QCOMPARE(fileInfo.exists(), true);        QCOMPARE(fileInfo.size(), (qint64)_testData.size());    }    QCOMPARE(storagePointer->size(), _testData.size());    QCOMPARE(memcmp(_testData.data(), storagePointer->data(), _testData.size()), 0);     // Convert to memory    storagePointer = storagePointer->toMemoryStorage();    QCOMPARE(storagePointer->size(), _testData.size());    QCOMPARE(memcmp(_testData.data(), storagePointer->data(), _testData.size()), 0);    {        // ensure the file is unaffected        QFileInfo fileInfo(_testFile);        QCOMPARE(fileInfo.exists(), true);        QCOMPARE(fileInfo.size(), (qint64)_testData.size());    }     // truncate the data as a new memory object    auto newSize = _testData.size() / 2;    storagePointer = std::unique_ptr<Storage>(new MemoryStorage(newSize, storagePointer->data()));    QCOMPARE(storagePointer->size(), newSize);    QCOMPARE(memcmp(_testData.data(), storagePointer->data(), newSize), 0);     // Convert back to file    storagePointer = storagePointer->toFileStorage(_testFile);    QCOMPARE(storagePointer->size(), newSize);    QCOMPARE(memcmp(_testData.data(), storagePointer->data(), newSize), 0);    {        // ensure the file is truncated        QFileInfo fileInfo(_testFile);        QCOMPARE(fileInfo.exists(), true);        QCOMPARE(fileInfo.size(), (qint64)newSize);    }}