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Add test to assign chunked array to chunked array #130

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Add test to assign chunked array to chunked array #130

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48 changes: 42 additions & 6 deletions test/test_xchunk_store_manager.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,17 @@ namespace xt
}
}

template <class T>
inline void check_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};
Expand All @@ -59,21 +70,18 @@ namespace xt
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();
}
Expand Down Expand Up @@ -125,6 +133,34 @@ namespace xt
}
}

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 that a2 has correct chunks
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 that a1 has correct chunks
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};
Expand Down