aom/test/function_equivalence_test.h

62 строки
1.9 KiB
C++

/*
* Copyright (c) 2016 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef TEST_FUNCTION_EQUIVALENCE_TEST_H_
#define TEST_FUNCTION_EQUIVALENCE_TEST_H_
#include "third_party/googletest/src/include/gtest/gtest.h"
#include "test/acm_random.h"
#include "test/clear_system_state.h"
#include "test/util.h"
using libvpx_test::ACMRandom;
namespace libvpx_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 = NULL, T tst = NULL, int bit_depth = 0)
: ref_func(ref), tst_func(tst), bit_depth(bit_depth) {}
T ref_func;
T tst_func;
int bit_depth;
};
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() { libvpx_test::ClearSystemState(); }
protected:
ACMRandom rng_;
FuncParam<T> params_;
};
} // namespace libvpx_test
#endif // TEST_FUNCTION_EQUIVALENCE_TEST_H_