/* * Cppcheck - A tool for static C/C++ code analysis * Copyright (C) 2007-2009 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 . */ #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); } 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")); // 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")); } 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")); } 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("-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)