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testmathlib.cpp
329 lines (295 loc) · 14.2 KB
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testmathlib.cpp
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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2011 Daniel Marjamäki and Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mathlib.h"
#include "testsuite.h"
class TestMathLib : public TestFixture
{
public:
TestMathLib() : TestFixture("TestMathLib")
{ }
private:
void run()
{
TEST_CASE(calculate);
TEST_CASE(convert);
TEST_CASE(isint);
TEST_CASE(isnegative);
TEST_CASE(isfloat);
TEST_CASE(isGreater)
TEST_CASE(isGreaterEqual)
TEST_CASE(isEqual)
TEST_CASE(isNotEqual)
TEST_CASE(isLess)
TEST_CASE(isLessEqual)
}
void isGreater()
{
ASSERT_EQUALS(true , MathLib::isGreater("1.0", "0.001"));
ASSERT_EQUALS(false, MathLib::isGreater("-1.0", "0.001"));
}
void isGreaterEqual()
{
ASSERT_EQUALS(true , MathLib::isGreaterEqual("1.00", "1.0"));
ASSERT_EQUALS(true , MathLib::isGreaterEqual("1.001", "1.0"));
ASSERT_EQUALS(true , MathLib::isGreaterEqual("1.0", "0.001"));
ASSERT_EQUALS(false, MathLib::isGreaterEqual("-1.0", "0.001"));
}
void isEqual()
{
ASSERT_EQUALS(true , MathLib::isEqual("1.0", "1.0"));
ASSERT_EQUALS(false , MathLib::isEqual("1.", "1.01"));
ASSERT_EQUALS(true , MathLib::isEqual("0.1","1.0E-1"));
}
void isNotEqual()
{
ASSERT_EQUALS(false , MathLib::isNotEqual("1.0", "1.0"));
ASSERT_EQUALS(true , MathLib::isNotEqual("1.", "1.01"));
}
void isLess()
{
ASSERT_EQUALS(false , MathLib::isLess("1.0", "0.001"));
ASSERT_EQUALS(true , MathLib::isLess("-1.0", "0.001"));
}
void isLessEqual()
{
ASSERT_EQUALS(true , MathLib::isLessEqual("1.00", "1.0"));
ASSERT_EQUALS(false , MathLib::isLessEqual("1.001", "1.0"));
ASSERT_EQUALS(false , MathLib::isLessEqual("1.0", "0.001"));
ASSERT_EQUALS(true , MathLib::isLessEqual("-1.0", "0.001"));
}
void calculate()
{
// addition
ASSERT_EQUALS("256", MathLib::add("0xff", "1"));
ASSERT_EQUALS("249", MathLib::add("250", "-1"));
ASSERT_EQUALS("251", MathLib::add("250", "1"));
ASSERT_EQUALS("-2" , MathLib::add("-1.", "-1"));
ASSERT_EQUALS("-1" , MathLib::add("0", "-1"));
ASSERT_EQUALS("1" , MathLib::add("1", "0"));
ASSERT_EQUALS("0" , MathLib::add("0", "0."));
// subtraction
ASSERT_EQUALS("254", MathLib::subtract("0xff", "1"));
ASSERT_EQUALS("251", MathLib::subtract("250", "-1"));
ASSERT_EQUALS("249", MathLib::subtract("250", "1"));
ASSERT_EQUALS("0" , MathLib::subtract("-1.", "-1"));
ASSERT_EQUALS("1" , MathLib::subtract("0", "-1"));
ASSERT_EQUALS("1" , MathLib::subtract("1", "0"));
ASSERT_EQUALS("0" , MathLib::subtract("0", "0."));
// multiply
ASSERT_EQUALS("-0.003" , MathLib::multiply("-1e-3", "3"));
ASSERT_EQUALS("-11.96" , MathLib::multiply("-2.3", "5.2"));
ASSERT_EQUALS("3000" , MathLib::multiply("1E3", "3"));
ASSERT_EQUALS("3000" , MathLib::multiply("1E+3", "3"));
ASSERT_EQUALS("3000" , MathLib::multiply("1.0E3", "3"));
ASSERT_EQUALS("-3000" , MathLib::multiply("-1.0E3", "3"));
ASSERT_EQUALS("-3000" , MathLib::multiply("-1.0E+3", "3"));
ASSERT_EQUALS("0" , MathLib::multiply("-1.0E+3", "0"));
ASSERT_EQUALS("0" , MathLib::multiply("+1.0E+3", "0"));
ASSERT_EQUALS("2147483648" , MathLib::multiply("2","1073741824"));
ASSERT_EQUALS("536870912" , MathLib::multiply("512","1048576"));
// divide
ASSERT_EQUALS("1" , MathLib::divide("1", "1"));
ASSERT_EQUALS("0" , MathLib::divide("0", "1"));
ASSERT_EQUALS("5" , MathLib::divide("-10", "-2"));
ASSERT_EQUALS("-2.5", MathLib::divide("-10.", "4"));
ASSERT_EQUALS("2.5" , MathLib::divide("-10.", "-4"));
ASSERT_EQUALS("5" , MathLib::divide("25.5", "5.1"));
ASSERT_EQUALS("7" , MathLib::divide("21.", "3"));
ASSERT_EQUALS("1" , MathLib::divide("3", "2"));
}
void convert()
{
// ------------------
// tolong conversion:
// ------------------
// from hex
ASSERT_EQUALS(10 , MathLib::toLongNumber("0xa"));
ASSERT_EQUALS(10995 , MathLib::toLongNumber("0x2AF3"));
ASSERT_EQUALS(-10 , MathLib::toLongNumber("-0xa"));
ASSERT_EQUALS(-10995, MathLib::toLongNumber("-0x2AF3"));
ASSERT_EQUALS(10 , MathLib::toLongNumber("+0xa"));
ASSERT_EQUALS(10995 , MathLib::toLongNumber("+0x2AF3"));
// from octal
ASSERT_EQUALS(8 , MathLib::toLongNumber("010"));
ASSERT_EQUALS(8 , MathLib::toLongNumber("+010"));
ASSERT_EQUALS(-8 , MathLib::toLongNumber("-010"));
ASSERT_EQUALS(125 , MathLib::toLongNumber("0175"));
ASSERT_EQUALS(125 , MathLib::toLongNumber("+0175"));
ASSERT_EQUALS(-125 , MathLib::toLongNumber("-0175"));
// from base 10
ASSERT_EQUALS(10 , MathLib::toLongNumber("10"));
ASSERT_EQUALS(10 , MathLib::toLongNumber("10."));
ASSERT_EQUALS(10 , MathLib::toLongNumber("10.0"));
ASSERT_EQUALS(100 , MathLib::toLongNumber("10E+1"));
ASSERT_EQUALS(1 , MathLib::toLongNumber("10E-1"));
ASSERT_EQUALS(100 , MathLib::toLongNumber("+10E+1"));
ASSERT_EQUALS(-1 , MathLib::toLongNumber("-10E-1"));
ASSERT_EQUALS(100 , MathLib::toLongNumber("+10.E+1"));
ASSERT_EQUALS(-1 , MathLib::toLongNumber("-10.E-1"));
ASSERT_EQUALS(100 , MathLib::toLongNumber("+10.0E+1"));
ASSERT_EQUALS(-1 , MathLib::toLongNumber("-10.0E-1"));
// -----------------
// to double number:
// -----------------
ASSERT_EQUALS_DOUBLE(10.0 , MathLib::toDoubleNumber("10"));
ASSERT_EQUALS_DOUBLE(1000.0, MathLib::toDoubleNumber("10E+2"));
ASSERT_EQUALS_DOUBLE(100.0 , MathLib::toDoubleNumber("1.0E+2"));
ASSERT_EQUALS_DOUBLE(-100.0, MathLib::toDoubleNumber("-1.0E+2"));
ASSERT_EQUALS_DOUBLE(-1e+10, MathLib::toDoubleNumber("-1.0E+10"));
ASSERT_EQUALS_DOUBLE(100.0 , MathLib::toDoubleNumber("+1.0E+2"));
ASSERT_EQUALS_DOUBLE(1e+10 , MathLib::toDoubleNumber("+1.0E+10"));
ASSERT_EQUALS_DOUBLE(100.0 , MathLib::toDoubleNumber("1.0E+2"));
ASSERT_EQUALS_DOUBLE(1e+10 , MathLib::toDoubleNumber("1.0E+10"));
ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("0E+0"));
ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("0E-0"));
ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("0E+00"));
ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("0E-00"));
ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("-0E+00"));
ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("+0E-00"));
ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("0"));
ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("0."));
ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("0.0"));
ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("-0"));
ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("+0"));
ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("-0."));
ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("+0."));
ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("-0.0"));
ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("+0.0"));
}
void isint()
{
// zero tests
ASSERT_EQUALS(true , MathLib::isInt("0"));
ASSERT_EQUALS(false, MathLib::isInt("0."));
ASSERT_EQUALS(false, MathLib::isInt("0.0"));
ASSERT_EQUALS(false, MathLib::isInt("-0."));
ASSERT_EQUALS(false, MathLib::isInt("+0."));
ASSERT_EQUALS(false, MathLib::isInt("-0.0"));
ASSERT_EQUALS(false, MathLib::isInt("+0.0"));
ASSERT_EQUALS(false, MathLib::isInt("+0.0E+1"));
ASSERT_EQUALS(false, MathLib::isInt("+0.0E-1"));
ASSERT_EQUALS(false, MathLib::isInt("-0.0E+1"));
ASSERT_EQUALS(false, MathLib::isInt("-0.0E-1"));
ASSERT_EQUALS(true , MathLib::isInt("1"));
ASSERT_EQUALS(true , MathLib::isInt("-1"));
ASSERT_EQUALS(true , MathLib::isInt("+1"));
ASSERT_EQUALS(true , MathLib::isInt("+1E+1"));
ASSERT_EQUALS(true , MathLib::isInt("+1E+10000"));
ASSERT_EQUALS(true , MathLib::isInt("-1E+1"));
ASSERT_EQUALS(true , MathLib::isInt("-1E+10000"));
ASSERT_EQUALS(false, MathLib::isInt("-1E-1"));
ASSERT_EQUALS(false, MathLib::isInt("-1E-10000"));
ASSERT_EQUALS(true, MathLib::isInt("0xff"));
ASSERT_EQUALS(true, MathLib::isInt("0xa"));
ASSERT_EQUALS(true, MathLib::isInt("0l"));
ASSERT_EQUALS(true, MathLib::isInt("0L"));
ASSERT_EQUALS(true, MathLib::isInt("0ul"));
ASSERT_EQUALS(true, MathLib::isInt("0ull"));
ASSERT_EQUALS(true, MathLib::isInt("0llu"));
ASSERT_EQUALS(true, MathLib::isInt("333L"));
ASSERT_EQUALS(true, MathLib::isInt("330L"));
ASSERT_EQUALS(true, MathLib::isInt("330llu"));
ASSERT_EQUALS(true, MathLib::isInt("07"));
ASSERT_EQUALS(true, MathLib::isInt("0123"));
ASSERT_EQUALS(false, MathLib::isInt("0.4"));
ASSERT_EQUALS(false, MathLib::isInt("2352.3f"));
ASSERT_EQUALS(false, MathLib::isInt("0.00004"));
ASSERT_EQUALS(false, MathLib::isInt("2352.00001f"));
ASSERT_EQUALS(false, MathLib::isInt(".4"));
ASSERT_EQUALS(false, MathLib::isInt("1.0E+1"));
ASSERT_EQUALS(false, MathLib::isInt("1.0E-1"));
ASSERT_EQUALS(false, MathLib::isInt("-1.0E+1"));
ASSERT_EQUALS(false, MathLib::isInt("+1.0E-1"));
ASSERT_EQUALS(false, MathLib::isInt("-1.E+1"));
ASSERT_EQUALS(false, MathLib::isInt("+1.E-1"));
ASSERT_EQUALS(false, MathLib::isInt(" 1.0E+1"));
// with whitespace in front
ASSERT_EQUALS(false, MathLib::isInt(" 1.0E-1"));
ASSERT_EQUALS(false, MathLib::isInt(" -1.0E+1"));
ASSERT_EQUALS(false, MathLib::isInt(" +1.0E-1"));
ASSERT_EQUALS(false, MathLib::isInt(" -1.E+1"));
ASSERT_EQUALS(false, MathLib::isInt(" +1.E-1"));
// with whitespace in front and end
ASSERT_EQUALS(false, MathLib::isInt(" 1.0E-1 "));
ASSERT_EQUALS(false, MathLib::isInt(" -1.0E+1 "));
ASSERT_EQUALS(false, MathLib::isInt(" +1.0E-1 "));
ASSERT_EQUALS(false, MathLib::isInt(" -1.E+1 "));
ASSERT_EQUALS(false, MathLib::isInt(" +1.E-1 "));
// with whitespace in front and end
ASSERT_EQUALS(false, MathLib::isInt("1.0E-1 "));
ASSERT_EQUALS(false, MathLib::isInt("-1.0E+1 "));
ASSERT_EQUALS(false, MathLib::isInt("+1.0E-1 "));
ASSERT_EQUALS(false, MathLib::isInt("-1.E+1 "));
ASSERT_EQUALS(false, MathLib::isInt("+1.E-1 "));
// test some garbage
ASSERT_EQUALS(false, MathLib::isInt("u"));
ASSERT_EQUALS(false, MathLib::isInt("l"));
ASSERT_EQUALS(false, MathLib::isInt("ul"));
ASSERT_EQUALS(false, MathLib::isInt("ll"));
ASSERT_EQUALS(false, MathLib::isInt("U"));
ASSERT_EQUALS(false, MathLib::isInt("L"));
ASSERT_EQUALS(false, MathLib::isInt("uL"));
ASSERT_EQUALS(false, MathLib::isInt("LL"));
}
void isnegative()
{
ASSERT_EQUALS(true, MathLib::isNegative("-1"));
ASSERT_EQUALS(true, MathLib::isNegative("-1."));
ASSERT_EQUALS(true, MathLib::isNegative("-1.0"));
ASSERT_EQUALS(true, MathLib::isNegative("-1.0E+2"));
ASSERT_EQUALS(true, MathLib::isNegative("-1.0E-2"));
ASSERT_EQUALS(false, MathLib::isNegative("+1"));
ASSERT_EQUALS(false, MathLib::isNegative("+1."));
ASSERT_EQUALS(false, MathLib::isNegative("+1.0"));
ASSERT_EQUALS(false, MathLib::isNegative("+1.0E+2"));
ASSERT_EQUALS(false, MathLib::isNegative("+1.0E-2"));
}
void isfloat()
{
ASSERT_EQUALS(false, MathLib::isFloat("0"));
ASSERT_EQUALS(true , MathLib::isFloat("0."));
ASSERT_EQUALS(true , MathLib::isFloat("0.0"));
ASSERT_EQUALS(true , MathLib::isFloat("-0."));
ASSERT_EQUALS(true , MathLib::isFloat("+0."));
ASSERT_EQUALS(true , MathLib::isFloat("-0.0"));
ASSERT_EQUALS(true , MathLib::isFloat("+0.0"));
ASSERT_EQUALS(true , MathLib::isFloat("+0.0E+1"));
ASSERT_EQUALS(true , MathLib::isFloat("+0.0E-1"));
ASSERT_EQUALS(true , MathLib::isFloat("-0.0E+1"));
ASSERT_EQUALS(true , MathLib::isFloat("-0.0E-1"));
ASSERT_EQUALS(false , MathLib::isFloat("1"));
ASSERT_EQUALS(false , MathLib::isFloat("-1"));
ASSERT_EQUALS(false , MathLib::isFloat("+1"));
ASSERT_EQUALS(false , MathLib::isFloat("+1E+1"));
ASSERT_EQUALS(false , MathLib::isFloat("+1E+10000"));
ASSERT_EQUALS(false , MathLib::isFloat("-1E+1"));
ASSERT_EQUALS(false , MathLib::isFloat("-1E+10000"));
ASSERT_EQUALS(true , MathLib::isFloat(".1250E+04"));
ASSERT_EQUALS(true , MathLib::isFloat("-1E-1"));
ASSERT_EQUALS(true , MathLib::isFloat("-1E-10000"));
ASSERT_EQUALS(true , MathLib::isFloat("0.4"));
ASSERT_EQUALS(true , MathLib::isFloat("2352.3f"));
ASSERT_EQUALS(true , MathLib::isFloat("0.00004"));
ASSERT_EQUALS(true , MathLib::isFloat("2352.00001f"));
ASSERT_EQUALS(true , MathLib::isFloat(".4"));
ASSERT_EQUALS(true , MathLib::isFloat("1.0E+1"));
ASSERT_EQUALS(true , MathLib::isFloat("1.0E-1"));
ASSERT_EQUALS(true , MathLib::isFloat("-1.0E+1"));
}
};
REGISTER_TEST(TestMathLib)