}

}

template<classT>

inlinevoidcheck_file_equal(const std::string& path,const T&& ref)

{

std::ifstream in_file;

in_file.open(path);

xt::xarray<double> data;

data = xt::load_bin<double>(in_file);

EXPECT_EQ(data, ref);

in_file.close();

}

TEST(xchunked_array, disk_array)

{

std::vector<size_t> shape = {4,4};

std::ifstream in_file;

xt::xarray<double> data;

in_file.open(chunk_dir +"/1.0");

auto i1 =xt::xistream_wrapper(in_file);

data = xt::load_bin<double>(i1);

data = xt::load_bin<double>(in_file);

EXPECT_EQ(data(1), v1);

in_file.close();

a1.chunks().flush();

in_file.open(chunk_dir +"/0.1");

auto i2 =xt::xistream_wrapper(in_file);

data = xt::load_bin<double>(i2);

data = xt::load_bin<double>(in_file);

EXPECT_EQ(data(2), v2);

in_file.close();

in_file.open(chunk_dir +"/0.0");

auto i3 =xt::xistream_wrapper(in_file);

data = xt::load_bin<double>(i3);

data = xt::load_bin<double>(in_file);

EXPECT_EQ(data(0), v3);

in_file.close();

}

}

}

TEST(xchunked_array, chunked_assign_chunked)

{

std::vector<size_t> shape = {4,4};

std::vector<size_t> chunk_shape = {2,2};

std::string chunk_dir1 ="files4";

fs::create_directory(chunk_dir1);

auto a1 = chunked_file_array<double, xio_disk_handler<xio_binary_config>>(shape, chunk_shape, chunk_dir1);

std::string chunk_dir2 ="files5";

fs::create_directory(chunk_dir2);

auto a2 = chunked_file_array<double, xio_disk_handler<xio_binary_config>>(shape, chunk_shape, chunk_dir2);

auto a3 =arange(4 *4).reshape({4,4});

noalias(a2) = a3;

a2.chunks().flush();

check_file_equal(chunk_dir2 +"/0.0", xt::xarray<double>({0,1,4,5}));

check_file_equal(chunk_dir2 +"/1.0", xt::xarray<double>({8,9,12,13}));

check_file_equal(chunk_dir2 +"/0.1", xt::xarray<double>({2,3,6,7}));

check_file_equal(chunk_dir2 +"/1.1", xt::xarray<double>({10,11,14,15}));

noalias(a1) = a2;

a1.chunks().flush();

check_file_equal(chunk_dir1 +"/0.0", xt::xarray<double>({0,1,4,5}));

check_file_equal(chunk_dir1 +"/1.0", xt::xarray<double>({8,9,12,13}));

check_file_equal(chunk_dir1 +"/0.1", xt::xarray<double>({2,3,6,7}));

check_file_equal(chunk_dir1 +"/1.1", xt::xarray<double>({10,11,14,15}));

}

TEST(xchunked_array, shape_initializer_list)

{

std::vector<size_t> shape = {4,4};