| /* |
| * Copyright (c) 2016, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. If the Alliance for Open |
| * Media Patent License 1.0 was not distributed with this source code in the |
| * PATENTS file, you can obtain it at www.aomedia.org/license/patent. |
| */ |
| |
| #ifndef AOM_TEST_FUNCTION_EQUIVALENCE_TEST_H_ |
| #define AOM_TEST_FUNCTION_EQUIVALENCE_TEST_H_ |
| |
| #include <ostream> |
| |
| #include "third_party/googletest/src/googletest/include/gtest/gtest.h" |
| #include "test/acm_random.h" |
| #include "test/util.h" |
| |
| using libaom_test::ACMRandom; |
| |
| namespace libaom_test { |
| // Base class for tests that compare 2 implementations of the same function |
| // for equivalence. The template parameter should be pointer to a function |
| // that is being tested. |
| // |
| // The test takes a 3-parameters encapsulating struct 'FuncParam', containing: |
| // - Pointer to reference function |
| // - Pointer to tested function |
| // - Integer bit depth (default to 0). |
| // |
| // These values are then accessible in the tests as member of params_: |
| // params_.ref_func, params_.tst_func, and params_.bit_depth. |
| // |
| |
| template <typename T> |
| struct FuncParam { |
| FuncParam(T ref = nullptr, T tst = nullptr, int depth = 0) |
| : ref_func(ref), tst_func(tst), bit_depth(depth) {} |
| T ref_func; |
| T tst_func; |
| int bit_depth; |
| }; |
| |
| template <typename T> |
| std::ostream &operator<<(std::ostream &os, const FuncParam<T> &p) { |
| return os << "bit_depth:" << p.bit_depth |
| << " function:" << reinterpret_cast<const void *>(p.ref_func) |
| << " function:" << reinterpret_cast<const void *>(p.tst_func); |
| } |
| |
| template <typename T> |
| class FunctionEquivalenceTest : public ::testing::TestWithParam<FuncParam<T> > { |
| public: |
| FunctionEquivalenceTest() : rng_(ACMRandom::DeterministicSeed()) {} |
| |
| virtual ~FunctionEquivalenceTest() {} |
| |
| virtual void SetUp() { params_ = this->GetParam(); } |
| |
| virtual void TearDown() {} |
| |
| protected: |
| ACMRandom rng_; |
| FuncParam<T> params_; |
| }; |
| |
| } // namespace libaom_test |
| #endif // AOM_TEST_FUNCTION_EQUIVALENCE_TEST_H_ |