1 // Copyright (c) 2019 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 SOURCE_FUZZ_RANDOM_GENERATOR_H_ 16 #define SOURCE_FUZZ_RANDOM_GENERATOR_H_ 17 18 #include <stdint.h> 19 20 namespace spvtools { 21 namespace fuzz { 22 23 class RandomGenerator { 24 public: 25 RandomGenerator(); 26 27 virtual ~RandomGenerator(); 28 29 // Returns a value in the half-open interval [0, bound). 30 virtual uint32_t RandomUint32(uint32_t bound) = 0; 31 32 // Returns a value in the half-open interval [0, bound). 33 virtual uint64_t RandomUint64(uint64_t bound) = 0; 34 35 // Returns a value in the closed interval [0, 100]. 36 virtual uint32_t RandomPercentage() = 0; 37 38 // Returns a boolean. 39 virtual bool RandomBool() = 0; 40 41 // Returns a double in the closed interval [0, 1] 42 virtual double RandomDouble() = 0; 43 }; 44 45 } // namespace fuzz 46 } // namespace spvtools 47 48 #endif // SOURCE_FUZZ_RANDOM_GENERATOR_H_ 49