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| Original file line number | Diff line number | Diff line change |
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| // Copyright (c) 2020-2022 Simons Foundation | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0.txt | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
| // Authors: Thomas Hahn | ||
|
|
||
| #include <gtest/gtest.h> | ||
| #include <h5/h5.hpp> | ||
|
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| #include <numeric> | ||
| #include <vector> | ||
|
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| // not working and probably should not work | ||
| // TEST(H5, GetLtotAndStridesH5) { | ||
| // // test the get_L_tot_and_strides_h5 function for a 10x10 array with every 2nd element in the view | ||
| // h5::v_t arr_shape{10, 10}; | ||
| // h5::v_t view_shape{5, 5}; | ||
| // long view_size = 25; | ||
| // std::vector<long> np_strides{20, 2}; | ||
| // h5::v_t h5_strides{2, 2}; | ||
|
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| // auto [L_tot, strides] = h5::array_interface::get_L_tot_and_strides_h5(np_strides.data(), 2, view_size); | ||
| // EXPECT_EQ(L_tot, arr_shape); | ||
| // EXPECT_EQ(strides, h5_strides); | ||
| // } | ||
|
|
||
| // not working, should definitely work | ||
| // TEST(H5, GetLtotAndStridesH5ContiguousView) { | ||
| // // test the get_L_tot_and_strides_h5 function for a 10x10 array with every element in the view | ||
| // h5::v_t arr_shape{10, 10}; | ||
| // h5::v_t view_shape{10, 10}; | ||
| // long view_size = 100; | ||
| // std::vector<long> np_strides{10, 1}; | ||
| // h5::v_t h5_strides{1, 1}; | ||
|
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| // auto [L_tot, strides] = h5::array_interface::get_L_tot_and_strides_h5(np_strides.data(), 2, view_size); | ||
| // EXPECT_EQ(L_tot, arr_shape); | ||
| // EXPECT_EQ(strides, h5_strides); | ||
| // } | ||
|
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| TEST(H5, ArrayInterface2DArray) { | ||
| // write a 5x5 array and read a 5x3 array (every other column) | ||
| std::vector<int> data(25, 0); | ||
| std::iota(data.begin(), data.end(), 0); | ||
|
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| // create an h5_array_view of rank 2 with dimensions 5x5 of the original data | ||
| int rank = 2; | ||
| int rows_w = 5; | ||
| int cols_w = 5; | ||
| h5::array_interface::h5_array_view view(h5::hdf5_type<int>(), (void *)data.data(), rank, false); | ||
| view.slab.count[0] = rows_w; | ||
| view.slab.count[1] = cols_w; | ||
| view.L_tot[0] = rows_w; | ||
| view.L_tot[1] = cols_w; | ||
|
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| // create file in read/write mode | ||
| h5::file file("2d_array.h5", 'w'); | ||
|
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| // write h5_array_view to file | ||
| h5::array_interface::write(file, "view", view, false); | ||
|
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| // reserve memory for reading | ||
| std::vector<int> data_in(15, 0); | ||
|
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| // create an h5_array_view or rank 2 with dimensions 5x3 of the read memory | ||
| int rows_in = 5; | ||
| int cols_in = 3; | ||
| h5::array_interface::h5_array_view view_in(h5::hdf5_type<int>(), (void *)data_in.data(), rank, false); | ||
| view_in.slab.count[0] = rows_in; | ||
| view_in.slab.count[1] = cols_in; | ||
| view_in.L_tot[0] = rows_in; | ||
| view_in.L_tot[1] = cols_in; | ||
|
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| // create an hyperslab to select the data to be read from the file (every other column -> stride in second dimension is 2) | ||
| h5::array_interface::hyperslab slab_in(rank, false); | ||
| slab_in.count[0] = rows_in; | ||
| slab_in.count[1] = cols_in; | ||
| slab_in.stride[0] = 1; | ||
| slab_in.stride[1] = 2; | ||
|
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| // get h5_lengths_type from the dataset in the file | ||
| auto lengths_type = h5::array_interface::get_h5_lengths_type(file, "view"); | ||
|
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| // read data from file | ||
| h5::array_interface::read(file, "view", view_in, lengths_type, slab_in); | ||
|
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| // check results | ||
| for (int i = 0; i < rows_in; ++i) { | ||
| for (int j = 0; j < cols_in; ++j) { EXPECT_EQ(data_in[i * cols_in + j], data[i * cols_w + j * 2]); } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| // Copyright (c) 2020 Simons Foundation | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0.txt | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
| // Authors: Thomas Hahn | ||
|
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||
| #include <gtest/gtest.h> | ||
| #include <h5/h5.hpp> | ||
|
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| #include <filesystem> | ||
| #include <string> | ||
|
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| TEST(H5, FileOperations) { | ||
| // test various ways to construct a file | ||
| std::string fname{"file.h5"}; | ||
|
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| // create file in write mode | ||
| { | ||
| h5::file file(fname, 'w'); | ||
| EXPECT_TRUE(file.is_valid()); | ||
| EXPECT_EQ(file.name(), fname); | ||
| } | ||
|
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| // overwrite file in write mode | ||
| { | ||
| h5::file file(fname, 'w'); | ||
| EXPECT_TRUE(file.is_valid()); | ||
| } | ||
|
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| // open file in read mode | ||
| { | ||
| h5::file file(fname, 'r'); | ||
| EXPECT_TRUE(file.is_valid()); | ||
| } | ||
|
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| // open file in append mode | ||
| { | ||
| h5::file file(fname, 'a'); | ||
| EXPECT_TRUE(file.is_valid()); | ||
| } | ||
|
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| // create file in append mode | ||
| { | ||
| EXPECT_TRUE(std::filesystem::remove(fname)); | ||
| h5::file file(fname, 'a'); | ||
| EXPECT_TRUE(file.is_valid()); | ||
| EXPECT_EQ(file.name(), fname); | ||
| } | ||
|
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| // create a new file with H5F_ACC_EXCL flag | ||
| { | ||
| EXPECT_TRUE(std::filesystem::remove(fname)); | ||
| h5::file file(fname, 'e'); | ||
| EXPECT_TRUE(file.is_valid()); | ||
| EXPECT_EQ(file.name(), fname); | ||
| } | ||
|
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| // try to create file with H5F_ACC_EXCL flag which already exists | ||
| { EXPECT_THROW(h5::file file(fname, 'e'), std::runtime_error); } | ||
| }; |
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