62 строки
1.9 KiB
C++
62 строки
1.9 KiB
C++
/*
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* Copyright (c) 2016 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef TEST_FUNCTION_EQUIVALENCE_TEST_H_
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#define TEST_FUNCTION_EQUIVALENCE_TEST_H_
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#include "third_party/googletest/src/include/gtest/gtest.h"
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#include "test/acm_random.h"
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#include "test/clear_system_state.h"
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#include "test/util.h"
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using libvpx_test::ACMRandom;
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namespace libvpx_test {
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// Base class for tests that compare 2 implementations of the same function
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// for equivalence. The template parameter should be pointer to a function
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// that is being tested.
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//
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// The test takes a 3-parameters encapsulating struct 'FuncParam', containing:
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// - Pointer to reference function
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// - Pointer to tested function
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// - Integer bit depth (default to 0).
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//
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// These values are then accessible in the tests as member of params_:
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// params_.ref_func, params_.tst_func, and params_.bit_depth.
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//
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template <typename T>
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struct FuncParam {
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FuncParam(T ref = NULL, T tst = NULL, int bit_depth = 0)
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: ref_func(ref), tst_func(tst), bit_depth(bit_depth) {}
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T ref_func;
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T tst_func;
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int bit_depth;
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};
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template <typename T>
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class FunctionEquivalenceTest : public ::testing::TestWithParam<FuncParam<T> > {
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public:
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FunctionEquivalenceTest() : rng_(ACMRandom::DeterministicSeed()) {}
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virtual ~FunctionEquivalenceTest() {}
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virtual void SetUp() { params_ = this->GetParam(); }
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virtual void TearDown() { libvpx_test::ClearSystemState(); }
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protected:
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ACMRandom rng_;
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FuncParam<T> params_;
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};
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} // namespace libvpx_test
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#endif // TEST_FUNCTION_EQUIVALENCE_TEST_H_
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