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71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
#include <components/files/hash.hpp>
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#include <components/files/constrainedfilestream.hpp>
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#include <gtest/gtest.h>
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#include <gmock/gmock.h>
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#include <boost/filesystem/fstream.hpp>
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#include <algorithm>
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#include <sstream>
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#include <string>
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#include "../testing_util.hpp"
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namespace
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{
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using namespace testing;
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using namespace TestingOpenMW;
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using namespace Files;
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struct Params
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{
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std::size_t mSize;
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std::array<std::uint64_t, 2> mHash;
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};
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struct FilesGetHash : TestWithParam<Params> {};
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TEST(FilesGetHash, shouldClearErrors)
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{
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const std::string fileName = temporaryFilePath("fileName");
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std::string content;
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std::fill_n(std::back_inserter(content), 1, 'a');
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std::istringstream stream(content);
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stream.exceptions(std::ios::failbit | std::ios::badbit);
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EXPECT_THAT(getHash(fileName, stream), ElementsAre(9607679276477937801ull, 16624257681780017498ull));
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}
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TEST_P(FilesGetHash, shouldReturnHashForStringStream)
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{
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const std::string fileName = temporaryFilePath("fileName");
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std::string content;
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std::fill_n(std::back_inserter(content), GetParam().mSize, 'a');
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std::istringstream stream(content);
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EXPECT_EQ(getHash(fileName, stream), GetParam().mHash);
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}
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TEST_P(FilesGetHash, shouldReturnHashForConstrainedFileStream)
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{
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std::string fileName(UnitTest::GetInstance()->current_test_info()->name());
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std::replace(fileName.begin(), fileName.end(), '/', '_');
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std::string content;
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std::fill_n(std::back_inserter(content), GetParam().mSize, 'a');
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fileName = outputFilePath(fileName);
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boost::filesystem::fstream(fileName, boost::filesystem::fstream::out | boost::filesystem::fstream::binary)
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.write(content.data(), static_cast<std::streamsize>(content.size()));
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const auto stream = Files::openConstrainedFileStream(fileName, 0, content.size());
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EXPECT_EQ(getHash(fileName, *stream), GetParam().mHash);
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}
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INSTANTIATE_TEST_SUITE_P(Params, FilesGetHash, Values(
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Params {0, {0, 0}},
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Params {1, {9607679276477937801ull, 16624257681780017498ull}},
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Params {128, {15287858148353394424ull, 16818615825966581310ull}},
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Params {1000, {11018119256083894017ull, 6631144854802791578ull}},
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Params {4096, {11972283295181039100ull, 16027670129106775155ull}},
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Params {4097, {16717956291025443060ull, 12856404199748778153ull}},
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Params {5000, {15775925571142117787ull, 10322955217889622896ull}}
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));
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}
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