172 lines
6.9 KiB
C++
172 lines
6.9 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2009 Daniel Marjamäki and Cppcheck team.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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, see <http://www.gnu.org/licenses/>.
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*/
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#include "mathlib.h"
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#include "testsuite.h"
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class TestMathLib : public TestFixture
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{
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public:
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TestMathLib() : TestFixture("TestMathLib")
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{ }
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private:
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void run()
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{
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TEST_CASE(calculate);
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TEST_CASE(convert);
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TEST_CASE(isint);
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}
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void calculate()
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{
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// addition
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ASSERT_EQUALS("256", MathLib::add("0xff", "1"));
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ASSERT_EQUALS("249", MathLib::add("250", "-1"));
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ASSERT_EQUALS("251", MathLib::add("250", "1"));
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ASSERT_EQUALS("-2" , MathLib::add("-1.", "-1"));
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ASSERT_EQUALS("-1" , MathLib::add("0", "-1"));
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ASSERT_EQUALS("1" , MathLib::add("1", "0"));
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ASSERT_EQUALS("0" , MathLib::add("0", "0."));
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// subtraction
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ASSERT_EQUALS("254", MathLib::subtract("0xff", "1"));
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ASSERT_EQUALS("251", MathLib::subtract("250", "-1"));
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ASSERT_EQUALS("249", MathLib::subtract("250", "1"));
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ASSERT_EQUALS("0" , MathLib::subtract("-1.", "-1"));
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ASSERT_EQUALS("1" , MathLib::subtract("0", "-1"));
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ASSERT_EQUALS("1" , MathLib::subtract("1", "0"));
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ASSERT_EQUALS("0" , MathLib::subtract("0", "0."));
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// multiply
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ASSERT_EQUALS("-0.003", MathLib::multiply("-1e-3", "3"));
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ASSERT_EQUALS("-11.96", MathLib::multiply("-2.3", "5.2"));
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ASSERT_EQUALS("3000" , MathLib::multiply("1E3", "3"));
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ASSERT_EQUALS("3000" , MathLib::multiply("1E+3", "3"));
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ASSERT_EQUALS("3000" , MathLib::multiply("1.0E3", "3"));
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ASSERT_EQUALS("-3000" , MathLib::multiply("-1.0E3", "3"));
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ASSERT_EQUALS("-3000" , MathLib::multiply("-1.0E+3", "3"));
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ASSERT_EQUALS("0" , MathLib::multiply("-1.0E+3", "0"));
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ASSERT_EQUALS("0" , MathLib::multiply("+1.0E+3", "0"));
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// divide
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ASSERT_EQUALS("1" , MathLib::divide("1", "1"));
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ASSERT_EQUALS("0" , MathLib::divide("0", "1"));
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ASSERT_EQUALS("5" , MathLib::divide("-10", "-2"));
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ASSERT_EQUALS("-2.5", MathLib::divide("-10.", "4"));
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ASSERT_EQUALS("2.5" , MathLib::divide("-10.", "-4"));
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ASSERT_EQUALS("5" , MathLib::divide("25.5", "5.1"));
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ASSERT_EQUALS("7" , MathLib::divide("21.", "3"));
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ASSERT_EQUALS("1" , MathLib::divide("3", "2"));
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}
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void convert()
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{
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// ------------------
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// tolong conversion:
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// ------------------
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// from hex
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ASSERT_EQUALS(10 , MathLib::toLongNumber("0xa"));
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ASSERT_EQUALS(10995 , MathLib::toLongNumber("0x2AF3"));
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ASSERT_EQUALS(-10 , MathLib::toLongNumber("-0xa"));
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ASSERT_EQUALS(-10995, MathLib::toLongNumber("-0x2AF3"));
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ASSERT_EQUALS(10 , MathLib::toLongNumber("+0xa"));
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ASSERT_EQUALS(10995 , MathLib::toLongNumber("+0x2AF3"));
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// from octal
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ASSERT_EQUALS(8 , MathLib::toLongNumber("010"));
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ASSERT_EQUALS(8 , MathLib::toLongNumber("+010"));
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ASSERT_EQUALS(-8 , MathLib::toLongNumber("-010"));
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ASSERT_EQUALS(125 , MathLib::toLongNumber("0175"));
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ASSERT_EQUALS(125 , MathLib::toLongNumber("+0175"));
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ASSERT_EQUALS(-125 , MathLib::toLongNumber("-0175"));
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// from base 10
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ASSERT_EQUALS(10 , MathLib::toLongNumber("10"));
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ASSERT_EQUALS(10 , MathLib::toLongNumber("10."));
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ASSERT_EQUALS(10 , MathLib::toLongNumber("10.0"));
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ASSERT_EQUALS(100 , MathLib::toLongNumber("10E+1"));
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ASSERT_EQUALS(1 , MathLib::toLongNumber("10E-1"));
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ASSERT_EQUALS(100 , MathLib::toLongNumber("+10E+1"));
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ASSERT_EQUALS(-1 , MathLib::toLongNumber("-10E-1"));
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ASSERT_EQUALS(100 , MathLib::toLongNumber("+10.E+1"));
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ASSERT_EQUALS(-1 , MathLib::toLongNumber("-10.E-1"));
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ASSERT_EQUALS(100 , MathLib::toLongNumber("+10.0E+1"));
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ASSERT_EQUALS(-1 , MathLib::toLongNumber("-10.0E-1"));
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}
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void isint()
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{
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// zero tests
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ASSERT_EQUALS(true , MathLib::isInt("0"));
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ASSERT_EQUALS(false, MathLib::isInt("0."));
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ASSERT_EQUALS(false, MathLib::isInt("0.0"));
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ASSERT_EQUALS(false, MathLib::isInt("-0."));
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ASSERT_EQUALS(false, MathLib::isInt("+0."));
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ASSERT_EQUALS(false, MathLib::isInt("-0.0"));
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ASSERT_EQUALS(false, MathLib::isInt("+0.0"));
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ASSERT_EQUALS(false, MathLib::isInt("+0.0E+1"));
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ASSERT_EQUALS(false, MathLib::isInt("+0.0E-1"));
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ASSERT_EQUALS(false, MathLib::isInt("-0.0E+1"));
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ASSERT_EQUALS(false, MathLib::isInt("-0.0E-1"));
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ASSERT_EQUALS(true , MathLib::isInt("1"));
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ASSERT_EQUALS(true , MathLib::isInt("-1"));
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ASSERT_EQUALS(true , MathLib::isInt("+1"));
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ASSERT_EQUALS(true , MathLib::isInt("+1E+1"));
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ASSERT_EQUALS(true , MathLib::isInt("+1E+10000"));
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ASSERT_EQUALS(true , MathLib::isInt("-1E+1"));
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ASSERT_EQUALS(true , MathLib::isInt("-1E+10000"));
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ASSERT_EQUALS(false, MathLib::isInt("-1E-1"));
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ASSERT_EQUALS(false, MathLib::isInt("-1E-10000"));
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ASSERT_EQUALS(true, MathLib::isInt("0xff"));
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ASSERT_EQUALS(true, MathLib::isInt("0xa"));
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ASSERT_EQUALS(true, MathLib::isInt("0l"));
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ASSERT_EQUALS(true, MathLib::isInt("0L"));
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ASSERT_EQUALS(true, MathLib::isInt("0ul"));
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ASSERT_EQUALS(true, MathLib::isInt("0ull"));
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ASSERT_EQUALS(true, MathLib::isInt("0llu"));
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ASSERT_EQUALS(true, MathLib::isInt("333L"));
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ASSERT_EQUALS(true, MathLib::isInt("330L"));
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ASSERT_EQUALS(true, MathLib::isInt("330llu"));
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ASSERT_EQUALS(true, MathLib::isInt("07"));
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ASSERT_EQUALS(true, MathLib::isInt("0123"));
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ASSERT_EQUALS(false, MathLib::isInt("0.4"));
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ASSERT_EQUALS(false, MathLib::isInt("2352.3f"));
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ASSERT_EQUALS(false, MathLib::isInt("0.00004"));
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ASSERT_EQUALS(false, MathLib::isInt("2352.00001f"));
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ASSERT_EQUALS(false, MathLib::isInt(".4"));
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ASSERT_EQUALS(false, MathLib::isInt("1.0E+1"));
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ASSERT_EQUALS(false, MathLib::isInt("1.0E-1"));
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ASSERT_EQUALS(false, MathLib::isInt("-1.0E+1"));
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ASSERT_EQUALS(false, MathLib::isInt("+1.0E-1"));
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ASSERT_EQUALS(false, MathLib::isInt("-1.E+1"));
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ASSERT_EQUALS(false, MathLib::isInt("+1.E-1"));
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}
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};
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REGISTER_TEST(TestMathLib)
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