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-rw-r--r-- | third_party/aom/test/function_equivalence_test.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/third_party/aom/test/function_equivalence_test.h b/third_party/aom/test/function_equivalence_test.h new file mode 100644 index 0000000000..2268b9f2ad --- /dev/null +++ b/third_party/aom/test/function_equivalence_test.h @@ -0,0 +1,68 @@ +/* + * 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()) {} + + ~FunctionEquivalenceTest() override = default; + + void SetUp() override { params_ = this->GetParam(); } + + protected: + ACMRandom rng_; + FuncParam<T> params_; +}; + +} // namespace libaom_test +#endif // AOM_TEST_FUNCTION_EQUIVALENCE_TEST_H_ |