130 lines
4.3 KiB
C++
130 lines
4.3 KiB
C++
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/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2022 KiCad Developers, see AUTHORS.TXT for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/**
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* Test suite for KiCad math code.
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*/
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#include <qa_utils/wx_utils/unit_test_utils.h>
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#include <inttypes.h>
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// Code under test
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#include <math/util.h>
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struct TEST_RESCALE_I64_CASE
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{
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int64_t m_numerator;
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int64_t m_value;
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int64_t m_denominator;
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int64_t m_result;
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};
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/**
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* Declare the test suite
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*/
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BOOST_AUTO_TEST_SUITE( MathUtil )
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BOOST_AUTO_TEST_CASE( test_rescale_int64 )
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{
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// Order: numerator, value, denominator, result.
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const std::vector<TEST_RESCALE_I64_CASE> rescale_i64_cases = {
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{ 10LL, 10LL, 1LL, 100LL },
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{ 10LL, 10LL, -1LL, -100LL },
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{ 10LL, -10LL, 1LL, -100LL },
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{ 10LL, -10LL, -1LL, 100LL },
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{ 1LL, 9LL, 1LL, 9LL },
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{ 1LL, 9LL, -1LL, -9LL },
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{ 1LL, -9LL, 1LL, -9LL },
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{ 1LL, -9LL, -1LL, 9LL },
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{ 10LL, 10LL, 2LL, 50LL },
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{ 10LL, 10LL, -2LL, -50LL },
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{ 10LL, -10LL, 2LL, -50LL },
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{ 10LL, -10LL, -2LL, 50LL },
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{ 1LL, 9LL, 2LL, 5LL },
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{ 1LL, 9LL, -2LL, -5LL },
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{ 1LL, -9LL, 2LL, -5LL },
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{ 1LL, -9LL, -2LL, 5LL },
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{ 1LL, 17LL, 4LL, 4LL },
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{ 1LL, 17LL, -4LL, -4LL },
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{ 1LL, -17LL, 4LL, -4LL },
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{ 1LL, -17LL, -4LL, 4LL },
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{ 1LL, 19LL, 4LL, 5LL },
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{ 1LL, 19LL, -4LL, -5LL },
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{ 1LL, -19LL, 4LL, -5LL },
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{ 1LL, -19LL, -4LL, 5LL },
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{ 1LL, 0LL, 4LL, 0LL },
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{ 1LL, 0LL, -4LL, 0LL },
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{ -1LL, 0LL, 4LL, 0LL },
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{ -1LL, 0LL, -4LL, 0LL },
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// sqrt(2^63) = 3037000499.98..
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{ 3037000499LL, 3037000499LL, 1LL, 9223372030926249001LL },
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{ 3037000499LL, 3037000499LL, -1LL, -9223372030926249001LL },
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{ 3037000499LL, -3037000499LL, 1LL, -9223372030926249001LL },
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{ 3037000499LL, -3037000499LL, -1LL, 9223372030926249001LL },
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// sqrt(2^63 * 10) = 9603838834.99..
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{ 9603838834LL, 9603838834LL, 10LL, 9223372034944647956LL },
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{ 9603838834LL, 9603838834LL, -10LL, -9223372034944647956LL },
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{ 9603838834LL, -9603838834LL, 10LL, -9223372034944647956LL },
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{ 9603838834LL, -9603838834LL, -10LL, 9223372034944647956LL },
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// INT64_MAX = 9223372036854775807
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{ INT64_MAX, 10LL, 10LL, INT64_MAX },
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{ INT64_MAX, 10LL, -10LL, -INT64_MAX },
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{ INT64_MAX, -10LL, 10LL, -INT64_MAX },
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{ INT64_MAX, -10LL, -10LL, INT64_MAX },
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{ INT64_MAX, 10LL, INT64_MAX, 10LL },
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{ INT64_MAX, 10LL, -INT64_MAX, -10LL },
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{ INT64_MAX, -10LL, INT64_MAX, -10LL },
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{ INT64_MAX, -10LL, -INT64_MAX, 10LL },
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{ INT64_MAX, INT64_MAX, INT64_MAX, INT64_MAX },
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{ INT64_MAX, INT64_MAX, -INT64_MAX, -INT64_MAX },
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{ INT64_MAX, -INT64_MAX, INT64_MAX, -INT64_MAX },
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{ INT64_MAX, -INT64_MAX, -INT64_MAX, INT64_MAX },
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};
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for( const TEST_RESCALE_I64_CASE& entry : rescale_i64_cases )
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{
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int64_t calculated = rescale( entry.m_numerator, entry.m_value, entry.m_denominator );
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wxString msg;
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msg << "rescale<int64_t>( " << entry.m_numerator << ", " << entry.m_value << ", "
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<< entry.m_denominator << " ) failed. ";
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msg << "\nExpected: " << entry.m_result;
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msg << "\nGot: " << calculated;
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BOOST_CHECK_MESSAGE( calculated == entry.m_result, msg );
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}
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}
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BOOST_AUTO_TEST_SUITE_END()
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