| // Copyright 2023 The Pigweed Authors |
| // |
| // 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 |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // 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. |
| |
| #include "pw_allocator/fuzzing.h" |
| |
| #include <climits> |
| |
| namespace pw::allocator::test { |
| namespace { |
| |
| auto ArbitrarySize(size_t max_size) { |
| return fuzzer::InRange<size_t>(0, max_size); |
| } |
| |
| auto ArbitraryAlignment(size_t size) { |
| return fuzzer::Map( |
| [size](size_t lshift) { return AlignmentFromLShift(lshift, size); }, |
| fuzzer::Arbitrary<size_t>()); |
| } |
| |
| auto ArbitraryIndex() { return fuzzer::Arbitrary<size_t>(); } |
| |
| fuzzer::Domain<AllocationRequest> ArbitraryAllocationRequest(size_t max_size) { |
| auto from_size = [](size_t size) { |
| return fuzzer::StructOf<AllocationRequest>(fuzzer::Just(size), |
| ArbitraryAlignment(size)); |
| }; |
| return fuzzer::FlatMap(from_size, ArbitrarySize(max_size)); |
| } |
| |
| fuzzer::Domain<DeallocationRequest> ArbitraryDeallocationRequest() { |
| return fuzzer::StructOf<DeallocationRequest>(ArbitraryIndex()); |
| } |
| |
| fuzzer::Domain<ReallocationRequest> ArbitraryReallocationRequest( |
| size_t max_size) { |
| return fuzzer::StructOf<ReallocationRequest>(ArbitraryIndex(), |
| ArbitrarySize(max_size)); |
| } |
| |
| } // namespace |
| |
| fuzzer::Domain<Request> ArbitraryRequest(size_t max_size) { |
| return fuzzer::VariantOf(ArbitraryAllocationRequest(max_size), |
| ArbitraryDeallocationRequest(), |
| ArbitraryReallocationRequest(max_size)); |
| } |
| |
| } // namespace pw::allocator::test |