cppcheck/test/testmathlib.cpp at master · MarcelRaad/cppcheck

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* Cppcheck - A tool for static C/C++ code analysis

* 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"

struct InternalError;

class TestMathLib : public TestFixture {

public:

TestMathLib() : TestFixture("TestMathLib") {

}

private:

void run() {

TEST_CASE(isint);

TEST_CASE(isbin);

TEST_CASE(isdec);

TEST_CASE(isoct);

TEST_CASE(isFloatHex);

TEST_CASE(isIntHex);

TEST_CASE(isValidIntegerSuffix);

TEST_CASE(isnegative);

TEST_CASE(ispositive);

TEST_CASE(isFloat);

TEST_CASE(isDecimalFloat);

TEST_CASE(isGreater)

TEST_CASE(isGreaterEqual)

TEST_CASE(isEqual)

TEST_CASE(isNotEqual)

TEST_CASE(isLess)

TEST_CASE(isLessEqual)

TEST_CASE(calculate);

TEST_CASE(calculate1);

TEST_CASE(typesuffix);

TEST_CASE(toLongNumber);

TEST_CASE(toDoubleNumber);

TEST_CASE(naninf);

TEST_CASE(isNullValue);

TEST_CASE(incdec);

TEST_CASE(sin);

TEST_CASE(cos);

TEST_CASE(tan);

TEST_CASE(abs);

TEST_CASE(toString);

TEST_CASE(characterLiteralsNormalization);

TEST_CASE(CPP14DigitSeparators);

}

void isGreater() const {

ASSERT_EQUALS(true , MathLib::isGreater("1.0", "0.001"));

ASSERT_EQUALS(false, MathLib::isGreater("-1.0", "0.001"));

}

void isGreaterEqual() const {

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() const {

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() const {

ASSERT_EQUALS(false , MathLib::isNotEqual("1.0", "1.0"));

ASSERT_EQUALS(true , MathLib::isNotEqual("1.", "1.01"));

}

void isLess() const {

ASSERT_EQUALS(false , MathLib::isLess("1.0", "0.001"));

ASSERT_EQUALS(true , MathLib::isLess("-1.0", "0.001"));

}

void isLessEqual() const {

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() const {

// addition

ASSERT_EQUALS("256", MathLib::add("0xff", "1"));

ASSERT_EQUALS("249", MathLib::add("250", "-1"));

ASSERT_EQUALS("251", MathLib::add("250", "1"));

ASSERT_EQUALS("-2.0" , MathLib::add("-1.", "-1"));

ASSERT_EQUALS("-1" , MathLib::add("0", "-1"));

ASSERT_EQUALS("1" , MathLib::add("1", "0"));

ASSERT_EQUALS("0.0" , MathLib::add("0", "0."));

ASSERT_EQUALS("1.00000001" , MathLib::add("1", "0.00000001")); // #4016

ASSERT_EQUALS("30666.22" , MathLib::add("30666.22", "0.0")); // #4068

// subtraction

ASSERT_EQUALS("254", MathLib::subtract("0xff", "1"));

ASSERT_EQUALS("251", MathLib::subtract("250", "-1"));

ASSERT_EQUALS("249", MathLib::subtract("250", "1"));

ASSERT_EQUALS("0.0" , MathLib::subtract("-1.", "-1"));

ASSERT_EQUALS("1" , MathLib::subtract("0", "-1"));

ASSERT_EQUALS("1" , MathLib::subtract("1", "0"));

ASSERT_EQUALS("0.0" , MathLib::subtract("0", "0."));

ASSERT_EQUALS("0.99999999" , MathLib::subtract("1", "0.00000001")); // #4016

ASSERT_EQUALS("30666.22" , MathLib::subtract("30666.22", "0.0")); // #4068

ASSERT_EQUALS("0.0" , MathLib::subtract("0.0", "0.0"));

// multiply

ASSERT_EQUALS("-0.003" , MathLib::multiply("-1e-3", "3"));

ASSERT_EQUALS("-11.96" , MathLib::multiply("-2.3", "5.2"));

ASSERT_EQUALS("3000.0" , MathLib::multiply("1E3", "3"));

ASSERT_EQUALS("3000.0" , MathLib::multiply("1E+3", "3"));

ASSERT_EQUALS("3000.0" , MathLib::multiply("1.0E3", "3"));

ASSERT_EQUALS("-3000.0" , MathLib::multiply("-1.0E3", "3"));

ASSERT_EQUALS("-3000.0" , MathLib::multiply("-1.0E+3", "3"));

ASSERT_EQUALS("0.0" , 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("5.0" , MathLib::divide("25.5", "5.1"));

ASSERT_EQUALS("7.0" , MathLib::divide("21.", "3"));

ASSERT_EQUALS("1" , MathLib::divide("3", "2"));

ASSERT_THROW(MathLib::divide("123", "0"), InternalError); // throw

ASSERT_THROW(MathLib::divide("-9223372036854775808", "-1"), InternalError); // #4520 - out of range => throw

ASSERT_EQUALS("4611686018427387904", MathLib::divide("-9223372036854775808", "-2")); // #6679

MathLib::divide("123", "0.0"); // don't throw

// Unknown action should throw exception

ASSERT_THROW(MathLib::calculate("1","2",'j'),InternalError);

}

void calculate1() const {

ASSERT_EQUALS("0" , MathLib::calculate("2" , "1" , '%'));

ASSERT_EQUALS("2" , MathLib::calculate("12" , "5" , '%'));

ASSERT_EQUALS("1" , MathLib::calculate("100" , "3" , '%'));

#ifndef TEST_MATHLIB_VALUE

// floating point modulo is not defined in C/C++

ASSERT_EQUALS("0.0" , MathLib::calculate("2.0" , "1.0" , '%'));

ASSERT_EQUALS("12.0" , MathLib::calculate("12.0" , "13.0" , '%'));

ASSERT_EQUALS("1.3" , MathLib::calculate("5.3" , "2.0" , '%'));

ASSERT_EQUALS("1.7" , MathLib::calculate("18.5" , "4.2" , '%'));

MathLib::calculate("123", "0.0", '%'); // don't throw

#endif

ASSERT_THROW(MathLib::calculate("123", "0", '%'), InternalError); // throw

ASSERT_EQUALS("0" , MathLib::calculate("1" , "1" , '^'));

ASSERT_EQUALS("3" , MathLib::calculate("2" , "1" , '^'));

}

void typesuffix() const {

ASSERT_EQUALS("2", MathLib::add("1", "1"));

ASSERT_EQUALS("2U", MathLib::add("1U", "1"));

ASSERT_EQUALS("2L", MathLib::add("1L", "1"));

ASSERT_EQUALS("2UL", MathLib::add("1UL", "1"));

ASSERT_EQUALS("2LL", MathLib::add("1LL", "1"));

ASSERT_EQUALS("2LL", MathLib::add("1i64", "1"));

ASSERT_EQUALS("2ULL", MathLib::add("1ULL", "1"));

ASSERT_EQUALS("2ULL", MathLib::add("1ui64","1"));

ASSERT_EQUALS("2U", MathLib::add("1", "1U"));

ASSERT_EQUALS("2U", MathLib::add("1U", "1U"));

ASSERT_EQUALS("2L", MathLib::add("1L", "1U"));

ASSERT_EQUALS("2UL", MathLib::add("1UL", "1U"));

ASSERT_EQUALS("2LL", MathLib::add("1LL", "1U"));

ASSERT_EQUALS("2ULL", MathLib::add("1ULL", "1U"));

ASSERT_EQUALS("2L", MathLib::add("1", "1L"));

ASSERT_EQUALS("2L", MathLib::add("1U", "1L"));

ASSERT_EQUALS("2L", MathLib::add("1L", "1L"));

ASSERT_EQUALS("2UL", MathLib::add("1UL", "1L"));

ASSERT_EQUALS("2LL", MathLib::add("1LL", "1L"));

ASSERT_EQUALS("2ULL", MathLib::add("1ULL", "1L"));

ASSERT_EQUALS("2UL", MathLib::add("1", "1UL"));

ASSERT_EQUALS("2UL", MathLib::add("1U", "1UL"));

ASSERT_EQUALS("2UL", MathLib::add("1L", "1UL"));

ASSERT_EQUALS("2UL", MathLib::add("1UL", "1UL"));

ASSERT_EQUALS("2LL", MathLib::add("1LL", "1UL"));

ASSERT_EQUALS("2ULL", MathLib::add("1ULL", "1UL"));

ASSERT_EQUALS("2UL", MathLib::add("1", "1LU"));

ASSERT_EQUALS("2UL", MathLib::add("1U", "1LU"));

ASSERT_EQUALS("2UL", MathLib::add("1L", "1LU"));

ASSERT_EQUALS("2UL", MathLib::add("1UL", "1LU"));

ASSERT_EQUALS("2LL", MathLib::add("1LL", "1LU"));

ASSERT_EQUALS("2ULL", MathLib::add("1ULL", "1LU"));

ASSERT_EQUALS("2LL", MathLib::add("1", "1LL"));

ASSERT_EQUALS("2LL", MathLib::add("1U", "1LL"));

ASSERT_EQUALS("2LL", MathLib::add("1L", "1LL"));

ASSERT_EQUALS("2LL", MathLib::add("1UL", "1LL"));

ASSERT_EQUALS("2LL", MathLib::add("1LL", "1LL"));

ASSERT_EQUALS("2ULL", MathLib::add("1ULL", "1LL"));

ASSERT_EQUALS("2ULL", MathLib::add("1", "1ULL"));

ASSERT_EQUALS("2ULL", MathLib::add("1U", "1ULL"));

ASSERT_EQUALS("2ULL", MathLib::add("1L", "1ULL"));

ASSERT_EQUALS("2ULL", MathLib::add("1UL", "1ULL"));

ASSERT_EQUALS("2ULL", MathLib::add("1LL", "1ULL"));

ASSERT_EQUALS("2ULL", MathLib::add("1ULL", "1ULL"));

ASSERT_EQUALS("2ULL", MathLib::add("1", "1LLU"));

ASSERT_EQUALS("2ULL", MathLib::add("1U", "1LLU"));

ASSERT_EQUALS("2ULL", MathLib::add("1L", "1LLU"));

ASSERT_EQUALS("2ULL", MathLib::add("1UL", "1LLU"));

ASSERT_EQUALS("2ULL", MathLib::add("1LL", "1LLU"));

ASSERT_EQUALS("2ULL", MathLib::add("1ULL", "1LLU"));

}

void toLongNumber() const {

// from hex

ASSERT_EQUALS(0 , MathLib::toLongNumber("0x0"));

ASSERT_EQUALS(0 , MathLib::toLongNumber("-0x0"));

ASSERT_EQUALS(0 , MathLib::toLongNumber("+0x0"));

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 binary

ASSERT_EQUALS(0 , MathLib::toLongNumber("0b0"));

ASSERT_EQUALS(1 , MathLib::toLongNumber("0b1"));

ASSERT_EQUALS(1 , MathLib::toLongNumber("+0b1"));

ASSERT_EQUALS(-1 , MathLib::toLongNumber("-0b1"));

ASSERT_EQUALS(215 , MathLib::toLongNumber("0b11010111"));

ASSERT_EQUALS(-215 , MathLib::toLongNumber("-0b11010111"));

ASSERT_EQUALS(215 , MathLib::toLongNumber("0B11010111"));

// 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"));

// from char

ASSERT_EQUALS((int)('A'), MathLib::toLongNumber("'A'"));

ASSERT_EQUALS((int)('\x10'), MathLib::toLongNumber("'\\x10'"));

ASSERT_EQUALS((int)('\100'), MathLib::toLongNumber("'\\100'"));

ASSERT_EQUALS((int)('\200'), MathLib::toLongNumber("'\\200'"));

#ifdef __GNUC__

// BEGIN Implementation-specific results

ASSERT_EQUALS((int)('AB'), MathLib::toLongNumber("'AB'"));

ASSERT_EQUALS((int)('ABC'), MathLib::toLongNumber("'ABC'"));

ASSERT_EQUALS((int)('ABCD'), MathLib::toLongNumber("'ABCD'"));

ASSERT_EQUALS((int)('ABCDE'), MathLib::toLongNumber("'ABCDE'"));

// END Implementation-specific results

#endif

ASSERT_EQUALS((int)('\0'), MathLib::toLongNumber("'\\0'"));

ASSERT_EQUALS(0x1B, MathLib::toLongNumber("'\\e'"));

ASSERT_EQUALS((int)('\r'), MathLib::toLongNumber("'\\r'"));

ASSERT_EQUALS((int)('\x12'), MathLib::toLongNumber("'\\x12'"));

// may cause some compile problems: ASSERT_EQUALS((int)('\x123'), MathLib::toLongNumber("'\\x123'"));

// may cause some compile problems: ASSERT_EQUALS((int)('\x1234'), MathLib::toLongNumber("'\\x1234'"));

ASSERT_EQUALS((int)('\3'), MathLib::toLongNumber("'\\3'"));

ASSERT_EQUALS((int)('\34'), MathLib::toLongNumber("'\\34'"));

ASSERT_EQUALS((int)('\034'), MathLib::toLongNumber("'\\034'"));

ASSERT_EQUALS((int)('\x34'), MathLib::toLongNumber("'\\x34'"));

ASSERT_EQUALS((int)('\134'), MathLib::toLongNumber("'\\134'"));

ASSERT_EQUALS((int)('\134t'), MathLib::toLongNumber("'\\134t'")); // Ticket #7452

ASSERT_THROW(MathLib::toLongNumber("'\\9'"), InternalError);

ASSERT_THROW(MathLib::toLongNumber("'\\934'"), InternalError);

// that is not gcc/clang encoding

ASSERT_EQUALS(959657011, MathLib::toLongNumber("'\\u9343'"));

ASSERT_EQUALS(1714631779, MathLib::toLongNumber("'\\U0001f34c'"));

{

// some unit-testing for a utility function

ASSERT_EQUALS(0, MathLib::characterLiteralToLongNumber(std::string("")));

ASSERT_EQUALS(32, MathLib::characterLiteralToLongNumber(std::string(" ")));

ASSERT_EQUALS(538976288, MathLib::characterLiteralToLongNumber(std::string(" ")));

ASSERT_THROW(MathLib::characterLiteralToLongNumber(std::string("\\u")), InternalError);

}

ASSERT_EQUALS(-8552249625308161526, MathLib::toLongNumber("0x89504e470d0a1a0a"));

ASSERT_EQUALS(-8481036456200365558, MathLib::toLongNumber("0x8a4d4e470d0a1a0a"));

ASSERT_EQUALS(9894494448401390090ULL, MathLib::toULongNumber("0x89504e470d0a1a0a"));

ASSERT_EQUALS(9965707617509186058ULL, MathLib::toULongNumber("0x8a4d4e470d0a1a0a"));

// zero input

ASSERT_EQUALS(0 , MathLib::toULongNumber("0"));

ASSERT_EQUALS(0 , MathLib::toULongNumber("-0"));

ASSERT_EQUALS(0 , MathLib::toULongNumber("+0"));

ASSERT_EQUALS(0U , MathLib::toULongNumber("0U"));

ASSERT_EQUALS(0 , MathLib::toULongNumber("-0x0"));

ASSERT_EQUALS(1U , MathLib::toULongNumber("1U"));

ASSERT_EQUALS(10000U , MathLib::toULongNumber("1e4"));

ASSERT_EQUALS(0xFF00000000000000UL, MathLib::toULongNumber("0xFF00000000000000UL"));

ASSERT_EQUALS(0x0A00000000000000UL, MathLib::toULongNumber("0x0A00000000000000UL"));

ASSERT_EQUALS(9U, MathLib::toULongNumber("011"));

ASSERT_EQUALS(5U, MathLib::toULongNumber("0b101"));

// from long long

* ASSERT_EQUALS(0xFF00000000000000LL, MathLib::toLongNumber("0xFF00000000000000LL"));

* This does not work in a portable way!

* While it succeeds on 32bit Visual Studio it fails on Linux 64bit because it is greater than 0x7FFFFFFFFFFFFFFF (=LLONG_MAX)

ASSERT_EQUALS(0x0A00000000000000LL, MathLib::toLongNumber("0x0A00000000000000LL"));

}

void toDoubleNumber() const {

ASSERT_EQUALS_DOUBLE(10.0 , MathLib::toDoubleNumber("10"), 0.001);

ASSERT_EQUALS_DOUBLE(1000.0, MathLib::toDoubleNumber("10E+2"), 0.001);

ASSERT_EQUALS_DOUBLE(100.0 , MathLib::toDoubleNumber("1.0E+2"), 0.001);

ASSERT_EQUALS_DOUBLE(-100.0, MathLib::toDoubleNumber("-1.0E+2"), 0.001);

ASSERT_EQUALS_DOUBLE(-1e+10, MathLib::toDoubleNumber("-1.0E+10"), 1);

ASSERT_EQUALS_DOUBLE(100.0 , MathLib::toDoubleNumber("+1.0E+2"), 0.001);

ASSERT_EQUALS_DOUBLE(1e+10 , MathLib::toDoubleNumber("+1.0E+10"), 1);

ASSERT_EQUALS_DOUBLE(100.0 , MathLib::toDoubleNumber("1.0E+2"), 0.001);

ASSERT_EQUALS_DOUBLE(1e+10 , MathLib::toDoubleNumber("1.0E+10"), 1);

ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("0E+0"), 0.000001);

ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("0E-0"), 0.000001);

ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("0E+00"), 0.000001);

ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("0E-00"), 0.000001);

ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("-0E+00"), 0.000001);

ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("+0E-00"), 0.000001);

ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("0"), 0.000001);

ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("0."), 0.000001);

ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("0.0"), 0.000001);

ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("-0"), 0.000001);

ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("+0"), 0.000001);

ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("-0."), 0.000001);

ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("+0."), 0.000001);

ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("-0.0"), 0.000001);

ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("+0.0"), 0.000001);

ASSERT_EQUALS_DOUBLE('0' , MathLib::toDoubleNumber("'0'"), 0.000001);

// verify: string --> double --> string conversion

ASSERT_EQUALS("1.0" , MathLib::toString(MathLib::toDoubleNumber("1.0f")));

ASSERT_EQUALS("1.0" , MathLib::toString(MathLib::toDoubleNumber("1.0")));

ASSERT_EQUALS("0.0" , MathLib::toString(MathLib::toDoubleNumber("0.0f")));

ASSERT_EQUALS("0.0" , MathLib::toString(MathLib::toDoubleNumber("0.0")));

ASSERT_EQUALS("-1.0" , MathLib::toString(MathLib::toDoubleNumber("-1.0f")));

ASSERT_EQUALS("-1.0" , MathLib::toString(MathLib::toDoubleNumber("-1.0")));

ASSERT_EQUALS("0.0" , MathLib::toString(MathLib::toDoubleNumber("-0.0f")));

ASSERT_EQUALS("0.0" , MathLib::toString(MathLib::toDoubleNumber("-0.0")));

ASSERT_EQUALS("1.0" , MathLib::toString(MathLib::toDoubleNumber("+1.0f")));

ASSERT_EQUALS("1.0" , MathLib::toString(MathLib::toDoubleNumber("+1.0")));

ASSERT_EQUALS("0.0" , MathLib::toString(MathLib::toDoubleNumber("+0.0f")));

ASSERT_EQUALS("0.0" , MathLib::toString(MathLib::toDoubleNumber("+0.0")));

ASSERT_EQUALS("0.0" , MathLib::toString(MathLib::toDoubleNumber("-0")));

ASSERT_EQUALS("0.0" , MathLib::toString(MathLib::toDoubleNumber("-0.")));

ASSERT_EQUALS("0.0" , MathLib::toString(MathLib::toDoubleNumber("-0.0")));

}

void isint() const {

// 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(false , MathLib::isInt("+1E+1"));

ASSERT_EQUALS(false , MathLib::isInt("+1E+10000"));

ASSERT_EQUALS(false , MathLib::isInt("-1E+1"));

ASSERT_EQUALS(false , 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("0b1000"));

ASSERT_EQUALS(true , MathLib::isInt("0B1000"));

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"));

ASSERT_EQUALS(false, MathLib::isInt("e2"));

ASSERT_EQUALS(false, MathLib::isInt("E2"));

ASSERT_EQUALS(false, MathLib::isInt(".e2"));

ASSERT_EQUALS(false, MathLib::isInt(".E2"));

ASSERT_EQUALS(false, MathLib::isInt("0x"));

ASSERT_EQUALS(false, MathLib::isInt("0xu"));

ASSERT_EQUALS(false, MathLib::isInt("0xl"));

ASSERT_EQUALS(false, MathLib::isInt("0xul"));

// test empty string

ASSERT_EQUALS(false, MathLib::isInt(""));

}

void isbin() const {

// positive testing

ASSERT_EQUALS(true, MathLib::isBin("0b0"));

ASSERT_EQUALS(true, MathLib::isBin("0b1"));

ASSERT_EQUALS(true, MathLib::isBin("+0b1"));

ASSERT_EQUALS(true, MathLib::isBin("-0b1"));

ASSERT_EQUALS(true, MathLib::isBin("0b11010111"));

ASSERT_EQUALS(true, MathLib::isBin("-0b11010111"));

ASSERT_EQUALS(true, MathLib::isBin("0B11010111"));

ASSERT_EQUALS(true, MathLib::isBin("0b11010111u"));

ASSERT_EQUALS(true, MathLib::isBin("0b11010111ul"));

ASSERT_EQUALS(true, MathLib::isBin("0b11010111ull"));

ASSERT_EQUALS(true, MathLib::isBin("0b11010111l"));

ASSERT_EQUALS(true, MathLib::isBin("0b11010111ll"));

ASSERT_EQUALS(true, MathLib::isBin("0b11010111llu"));

ASSERT_EQUALS(true, MathLib::isBin("0b11010111l"));

ASSERT_EQUALS(true, MathLib::isBin("0b11010111lu"));

ASSERT_EQUALS(false, MathLib::isBin("0b11010111lul")); // Suffix LUL not allowed

// negative testing

ASSERT_EQUALS(false, MathLib::isBin("100101bx"));

ASSERT_EQUALS(false, MathLib::isBin("0"));

ASSERT_EQUALS(false, MathLib::isBin("0B"));

ASSERT_EQUALS(false, MathLib::isBin("0C"));

ASSERT_EQUALS(false, MathLib::isBin("+0B"));

ASSERT_EQUALS(false, MathLib::isBin("-0B"));

ASSERT_EQUALS(false, MathLib::isBin("-0Bx"));

ASSERT_EQUALS(false, MathLib::isBin("0b11010111x"));

ASSERT_EQUALS(false, MathLib::isBin("0b11010111ux"));

ASSERT_EQUALS(false, MathLib::isBin("0b11010111lx"));

ASSERT_EQUALS(false, MathLib::isBin("0b11010111lux"));

ASSERT_EQUALS(false, MathLib::isBin("0b11010111ulx"));

ASSERT_EQUALS(false, MathLib::isBin("0b11010111lulx"));

ASSERT_EQUALS(false, MathLib::isBin("0b11010111ullx"));

ASSERT_EQUALS(false, MathLib::isBin("0b11010111lll"));

// test empty string

ASSERT_EQUALS(false, MathLib::isBin(""));

}

void isnegative() const {

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"));

// test empty string

ASSERT_EQUALS(false, MathLib::isNegative(""));

}

void isoct() const {

// octal number format: [+|-]0[0-7][suffix]

// positive testing

ASSERT_EQUALS(true, MathLib::isOct("010"));

ASSERT_EQUALS(true, MathLib::isOct("+010"));

ASSERT_EQUALS(true, MathLib::isOct("-010"));

ASSERT_EQUALS(true, MathLib::isOct("0175"));

ASSERT_EQUALS(true, MathLib::isOct("+0175"));

ASSERT_EQUALS(true, MathLib::isOct("-0175"));

ASSERT_EQUALS(true, MathLib::isOct("00"));

ASSERT_EQUALS(true, MathLib::isOct("02"));

ASSERT_EQUALS(true, MathLib::isOct("+042"));

ASSERT_EQUALS(true, MathLib::isOct("-042"));

ASSERT_EQUALS(true, MathLib::isOct("+042U"));

ASSERT_EQUALS(true, MathLib::isOct("-042U"));

ASSERT_EQUALS(true, MathLib::isOct("+042L"));

ASSERT_EQUALS(true, MathLib::isOct("-042L"));

ASSERT_EQUALS(true, MathLib::isOct("+042LU"));

ASSERT_EQUALS(true, MathLib::isOct("-042LU"));

ASSERT_EQUALS(true, MathLib::isOct("+042UL"));

ASSERT_EQUALS(true, MathLib::isOct("-042UL"));

ASSERT_EQUALS(true, MathLib::isOct("+042ULL"));

ASSERT_EQUALS(true, MathLib::isOct("-042ULL"));

ASSERT_EQUALS(true, MathLib::isOct("+042LLU"));

ASSERT_EQUALS(true, MathLib::isOct("-042LLU"));

// test empty string

ASSERT_EQUALS(false, MathLib::isOct(""));

// negative testing

ASSERT_EQUALS(false, MathLib::isOct("0"));

ASSERT_EQUALS(false, MathLib::isOct("-0x175"));

ASSERT_EQUALS(false, MathLib::isOct("-0_garbage_"));

ASSERT_EQUALS(false, MathLib::isOct(" "));

ASSERT_EQUALS(false, MathLib::isOct("02."));

ASSERT_EQUALS(false, MathLib::isOct("02E2"));

ASSERT_EQUALS(false, MathLib::isOct("+042x"));

ASSERT_EQUALS(false, MathLib::isOct("-042x"));

ASSERT_EQUALS(false, MathLib::isOct("+042Ux"));

ASSERT_EQUALS(false, MathLib::isOct("-042Ux"));

ASSERT_EQUALS(false, MathLib::isOct("+042Lx"));

ASSERT_EQUALS(false, MathLib::isOct("-042Lx"));

ASSERT_EQUALS(false, MathLib::isOct("+042ULx"));

ASSERT_EQUALS(false, MathLib::isOct("-042ULx"));

ASSERT_EQUALS(false, MathLib::isOct("+042LLx"));

ASSERT_EQUALS(false, MathLib::isOct("-042LLx"));

ASSERT_EQUALS(false, MathLib::isOct("+042ULLx"));

ASSERT_EQUALS(false, MathLib::isOct("-042ULLx"));

ASSERT_EQUALS(false, MathLib::isOct("+042LLUx"));

ASSERT_EQUALS(false, MathLib::isOct("-042LLUx"));

ASSERT_EQUALS(false, MathLib::isOct("+042LUL"));

ASSERT_EQUALS(false, MathLib::isOct("-042LUL"));

// white space in front

ASSERT_EQUALS(false, MathLib::isOct(" -042ULL"));

// trailing white space

ASSERT_EQUALS(false, MathLib::isOct("-042ULL "));

// front and trailing white space

ASSERT_EQUALS(false, MathLib::isOct(" -042ULL "));

ASSERT_EQUALS(false, MathLib::isOct("+042LUL+0"));

}

void isFloatHex() const {

// hex number syntax: [sign]0x[hexnumbers][suffix]

ASSERT_EQUALS(false, MathLib::isFloatHex(""));

ASSERT_EQUALS(true, MathLib::isFloatHex("0x1.999999999999ap-4"));

ASSERT_EQUALS(true, MathLib::isFloatHex("0x0.3p10"));

ASSERT_EQUALS(true, MathLib::isFloatHex("0x1.fp3"));

ASSERT_EQUALS(true, MathLib::isFloatHex("0x1P-1"));

ASSERT_EQUALS(true, MathLib::isFloatHex("0xcc.ccccccccccdp-11"));

ASSERT_EQUALS(true, MathLib::isFloatHex("0x3.243F6A88p+03"));

ASSERT_EQUALS(true, MathLib::isFloatHex("0xA.Fp-10"));

ASSERT_EQUALS(false, MathLib::isFloatHex("0"));

ASSERT_EQUALS(false, MathLib::isFloatHex("0x"));

ASSERT_EQUALS(false, MathLib::isFloatHex("0xa"));

ASSERT_EQUALS(false, MathLib::isFloatHex("+0x"));

ASSERT_EQUALS(false, MathLib::isFloatHex("-0x"));

ASSERT_EQUALS(false, MathLib::isFloatHex("0x"));

ASSERT_EQUALS(false, MathLib::isFloatHex("0x."));

ASSERT_EQUALS(false, MathLib::isFloatHex("0XP"));

ASSERT_EQUALS(false, MathLib::isFloatHex("0xx"));

}

void isIntHex() const {

// hex number syntax: [sign]0x[hexnumbers][suffix]

// positive testing

ASSERT_EQUALS(true, MathLib::isIntHex("0xa"));

ASSERT_EQUALS(true, MathLib::isIntHex("0x2AF3"));

ASSERT_EQUALS(true, MathLib::isIntHex("-0xa"));

ASSERT_EQUALS(true, MathLib::isIntHex("-0x2AF3"));

ASSERT_EQUALS(true, MathLib::isIntHex("+0xa"));

ASSERT_EQUALS(true, MathLib::isIntHex("+0x2AF3"));

ASSERT_EQUALS(true, MathLib::isIntHex("0x0"));

ASSERT_EQUALS(true, MathLib::isIntHex("+0x0"));

ASSERT_EQUALS(true, MathLib::isIntHex("-0x0"));

ASSERT_EQUALS(true, MathLib::isIntHex("+0x0U"));

ASSERT_EQUALS(true, MathLib::isIntHex("-0x0U"));

ASSERT_EQUALS(true, MathLib::isIntHex("+0x0L"));

ASSERT_EQUALS(true, MathLib::isIntHex("-0x0L"));

ASSERT_EQUALS(true, MathLib::isIntHex("+0x0LU"));

ASSERT_EQUALS(true, MathLib::isIntHex("-0x0LU"));

ASSERT_EQUALS(true, MathLib::isIntHex("+0x0UL"));

ASSERT_EQUALS(true, MathLib::isIntHex("-0x0UL"));

ASSERT_EQUALS(true, MathLib::isIntHex("+0x0LL"));

ASSERT_EQUALS(true, MathLib::isIntHex("-0x0LL"));

ASSERT_EQUALS(true, MathLib::isIntHex("+0x0ULL"));

ASSERT_EQUALS(true, MathLib::isIntHex("-0x0ULL"));

ASSERT_EQUALS(true, MathLib::isIntHex("+0x0LLU"));

ASSERT_EQUALS(true, MathLib::isIntHex("-0x0LLU"));

// negative testing

ASSERT_EQUALS(false, MathLib::isIntHex("+0x"));

ASSERT_EQUALS(false, MathLib::isIntHex("-0x"));

ASSERT_EQUALS(false, MathLib::isIntHex("0x"));

ASSERT_EQUALS(false, MathLib::isIntHex("0xx"));

ASSERT_EQUALS(false, MathLib::isIntHex("-0175"));

ASSERT_EQUALS(false, MathLib::isIntHex("-0_garbage_"));

ASSERT_EQUALS(false, MathLib::isIntHex(" "));

ASSERT_EQUALS(false, MathLib::isIntHex("0"));

ASSERT_EQUALS(false, MathLib::isIntHex("+0x0Z"));

ASSERT_EQUALS(false, MathLib::isIntHex("-0x0Z"));

ASSERT_EQUALS(false, MathLib::isIntHex("+0x0Uz"));

ASSERT_EQUALS(false, MathLib::isIntHex("-0x0Uz"));

ASSERT_EQUALS(false, MathLib::isIntHex("+0x0Lz"));

ASSERT_EQUALS(false, MathLib::isIntHex("-0x0Lz"));

ASSERT_EQUALS(false, MathLib::isIntHex("+0x0LUz"));

ASSERT_EQUALS(false, MathLib::isIntHex("-0x0LUz"));

ASSERT_EQUALS(false, MathLib::isIntHex("+0x0ULz"));

ASSERT_EQUALS(false, MathLib::isIntHex("-0x0ULz"));

ASSERT_EQUALS(false, MathLib::isIntHex("+0x0LLz"));

ASSERT_EQUALS(false, MathLib::isIntHex("-0x0LLz"));

ASSERT_EQUALS(false, MathLib::isIntHex("+0x0ULLz"));

ASSERT_EQUALS(false, MathLib::isIntHex("-0x0ULLz"));

ASSERT_EQUALS(false, MathLib::isIntHex("+0x0LLUz"));

ASSERT_EQUALS(false, MathLib::isIntHex("-0x0LLUz"));

ASSERT_EQUALS(false, MathLib::isIntHex("0x0+0"));

ASSERT_EQUALS(false, MathLib::isIntHex("e2"));

ASSERT_EQUALS(false, MathLib::isIntHex("+E2"));

// test empty string

ASSERT_EQUALS(false, MathLib::isIntHex(""));

}

void isValidIntegerSuffix(void) const {

// negative testing

std::string value = "ux";