67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
// Copyright 2010-2025 Google LLC
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "ortools/sat/recordio.h"
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#include <fstream>
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#include <ios>
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#include <string>
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#include <vector>
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#include "gtest/gtest.h"
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#include "ortools/base/gmock.h"
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#include "ortools/base/path.h"
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#include "ortools/sat/cp_model.pb.h"
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namespace operations_research {
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namespace sat {
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namespace {
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using ::testing::EqualsProto;
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TEST(RecordIoTest, WriteAndReadBack) {
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std::string filename =
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file::JoinPath(testing::TempDir(), "recordio_test.bin");
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std::vector<CpModelProto> cp_models;
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std::ofstream output_stream(filename, std::ios::binary);
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RecordWriter writer(&output_stream);
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for (int i = 0; i < 128; ++i) {
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CpModelProto cp_model;
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for (int j = 0; j < i % 11; ++j) {
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cp_model.add_variables()->add_domain(j);
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}
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for (int j = 0; j < i % 17; ++j) {
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cp_model.add_constraints()->add_enforcement_literal(j);
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}
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cp_models.push_back(cp_model);
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EXPECT_TRUE(writer.WriteRecord(cp_model));
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}
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writer.Close();
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output_stream.close();
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std::ifstream input_stream(filename, std::ios::binary);
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RecordReader reader(&input_stream);
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CpModelProto cp_model;
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int index = 0;
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while (reader.ReadRecord(&cp_model)) {
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EXPECT_THAT(cp_model, EqualsProto(cp_models[index++]));
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}
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reader.Close();
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input_stream.close();
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}
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} // namespace
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} // namespace sat
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} // namespace operations_research
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