kopia lustrzana https://github.com/vsamy/DiFipp
77 wiersze
4.0 KiB
C++
77 wiersze
4.0 KiB
C++
// Copyright (c) 2019, Vincent SAMY
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// All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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// 1. Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// The views and conclusions contained in the software and documentation are those
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// of the authors and should not be interpreted as representing official policies,
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// either expressed or implied, of the FreeBSD Project.
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#include "difi"
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#include <exception>
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#include <vector>
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#include <catch2/catch.hpp>
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TEST_CASE("Filter failures", "[fail]")
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{
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// A coeff are missing
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REQUIRE_THROWS_AS(difi::DigitalFilterd(Eigen::VectorXd(), Eigen::VectorXd::Constant(2, 0)), std::logic_error);
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// B coeff are missing
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REQUIRE_THROWS_AS(difi::DigitalFilterd(Eigen::VectorXd::Constant(2, 1), Eigen::VectorXd()), std::logic_error);
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// aCoeff(0) = 0
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REQUIRE_THROWS_AS(difi::DigitalFilterd(Eigen::VectorXd::Constant(2, 0), Eigen::VectorXd::Constant(2, 0)), std::logic_error);
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// Filter left uninitialized
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REQUIRE_NOTHROW(difi::DigitalFilterd());
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auto df = difi::DigitalFilterd();
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// Filter data with uninitialized filter
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REQUIRE_THROWS_AS(df.stepFilter(10.), std::logic_error);
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// Change type before settings coeffs (The difi::FilterType::Centered needs to have odd number of bCoeffs)
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REQUIRE_THROWS_AS(df.setType(difi::FilterType::Centered), std::logic_error);
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// Set type to difi::FilterType::Backward is always ok.
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REQUIRE_NOTHROW(df.setType(difi::FilterType::Backward));
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// Set even number of bCoeffs
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REQUIRE_NOTHROW(df.setCoeffs(Eigen::VectorXd::Constant(2, 1), Eigen::VectorXd::Constant(2, 0)));
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// Check again
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REQUIRE_THROWS_AS(df.setType(difi::FilterType::Centered), std::logic_error);
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// Set odd number of bCoeffs
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REQUIRE_NOTHROW(df.setCoeffs(Eigen::VectorXd::Constant(2, 1), Eigen::VectorXd::Constant(3, 0)));
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// Check again
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REQUIRE_NOTHROW(df.setType(difi::FilterType::Centered));
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// Put even number of bCoeffs on a Centered filter
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REQUIRE_THROWS_AS(df.setCoeffs(Eigen::VectorXd::Constant(2, 1), Eigen::VectorXd::Constant(2, 0)), std::logic_error);
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// Put odd number of bCoeffs
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REQUIRE_NOTHROW(df.setCoeffs(Eigen::VectorXd::Constant(5, 2), Eigen::VectorXd::Constant(7, 3)));
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// window <= 0
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REQUIRE_THROWS_AS(difi::MovingAveraged(0), std::logic_error);
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// order <= 0
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REQUIRE_THROWS_AS(difi::Butterworthd(0, 10, 100), std::logic_error);
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// fc > 2*fs
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REQUIRE_THROWS_AS(difi::Butterworthd(2, 60, 100), std::logic_error);
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// Upper frequency < lower frequency
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REQUIRE_THROWS_AS(difi::Butterworthd(2, 6, 5, 100), std::logic_error);
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// Ok
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REQUIRE_NOTHROW(difi::DigitalFilterd(Eigen::VectorXd::Constant(2, 1), Eigen::VectorXd::Constant(2, 0)));
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// Bad type. Need odd number of bCoeffs
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REQUIRE_THROWS_AS(difi::DigitalFilterd(Eigen::VectorXd::Constant(2, 1), Eigen::VectorXd::Constant(2, 0), difi::FilterType::Centered), std::logic_error);
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}
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