1 // Copyright (C) 2023 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef ICING_TESTING_NUMERIC_UNIFORM_DISTRIBUTION_INTEGER_GENERATOR_H_ 16 #define ICING_TESTING_NUMERIC_UNIFORM_DISTRIBUTION_INTEGER_GENERATOR_H_ 17 18 #include <random> 19 20 #include "icing/testing/numeric/number-generator.h" 21 22 namespace icing { 23 namespace lib { 24 25 template <typename T> 26 class UniformDistributionIntegerGenerator : public NumberGenerator<T> { 27 public: UniformDistributionIntegerGenerator(int seed,T range_lower,T range_upper)28 explicit UniformDistributionIntegerGenerator(int seed, T range_lower, 29 T range_upper) 30 : NumberGenerator<T>(seed), distribution_(range_lower, range_upper) {} 31 Generate()32 T Generate() override { return distribution_(this->engine_); } 33 34 private: 35 std::uniform_int_distribution<T> distribution_; 36 }; 37 38 } // namespace lib 39 } // namespace icing 40 41 #endif // ICING_TESTING_NUMERIC_UNIFORM_DISTRIBUTION_INTEGER_GENERATOR_H_ 42