36 lines
1.4 KiB
C++
36 lines
1.4 KiB
C++
// Copyright by Contributors
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#include <xgboost/data.h>
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#include <dmlc/filesystem.h>
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#include "../../../src/data/simple_csr_source.h"
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#include "../helpers.h"
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TEST(SimpleCSRSource, SaveLoadBinary) {
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dmlc::TemporaryDirectory tempdir;
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const std::string tmp_file = tempdir.path + "/simple.libsvm";
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CreateSimpleTestData(tmp_file);
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xgboost::DMatrix * dmat = xgboost::DMatrix::Load(tmp_file, true, false);
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const std::string tmp_binfile = tempdir.path + "/csr_source.binary";
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dmat->SaveToLocalFile(tmp_binfile);
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xgboost::DMatrix * dmat_read = xgboost::DMatrix::Load(tmp_binfile, true, false);
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EXPECT_EQ(dmat->Info().num_col_, dmat_read->Info().num_col_);
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EXPECT_EQ(dmat->Info().num_row_, dmat_read->Info().num_row_);
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EXPECT_EQ(dmat->Info().num_row_, dmat_read->Info().num_row_);
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// Test we have non-empty batch
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EXPECT_EQ(dmat->GetBatches<xgboost::SparsePage>().begin().AtEnd(), false);
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auto row_iter = dmat->GetBatches<xgboost::SparsePage>().begin();
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auto row_iter_read = dmat_read->GetBatches<xgboost::SparsePage>().begin();
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// Test the data read into the first row
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auto first_row = (*row_iter)[0];
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auto first_row_read = (*row_iter_read)[0];
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EXPECT_EQ(first_row.size(), first_row_read.size());
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EXPECT_EQ(first_row[2].index, first_row_read[2].index);
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EXPECT_EQ(first_row[2].fvalue, first_row_read[2].fvalue);
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delete dmat;
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delete dmat_read;
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}
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