public void CalculateSquareEquation_CheckDeltaAndDenominatorValue_DeltaAndDenominatorCaluculatedProperly(double firtsValue, double secondValue, double thirdValue)
{
SquareEquationCalculator sec = new SquareEquationCalculator();
sec.CalculateSquareEquation(firtsValue, secondValue, thirdValue);
Assert.AreEqual(-8, sec.delta);
Assert.AreEqual(2, sec.denominator);
}
public void CalculateSquareEquation_PositiveFirstValueAndNegativeThirdValue_DeltaHigherThanZero(double firtsValue, double secondValue, double thirdValue)
{
SquareEquationCalculator sec = new SquareEquationCalculator();
sec.CalculateSquareEquation(firtsValue, secondValue, thirdValue);
double resultDelta = sec.delta;
Assert.Greater(resultDelta, 0);
}
public void CalculateSquareEquation_PositiveFirstValueAndNegativeThirdValue_AmountOfRootsEqualToTwo(double firtsValue, double secondValue, double thirdValue, int expectedAmountOfRoots)
{
SquareEquationCalculator sec = new SquareEquationCalculator();
sec.CalculateSquareEquation(firtsValue, secondValue, thirdValue);
int resultRootCounter = sec.rootCounter;
Assert.AreEqual(expectedAmountOfRoots, resultRootCounter);
}
public void CalculateSquareEquation_PositiveFirstValueAndNegativeThirdValue_ValidMessageAboutRoots(double firtsValue, double secondValue, double thirdValue, string expectedMessageText)
{
SquareEquationCalculator sec = new SquareEquationCalculator();
sec.CalculateSquareEquation(firtsValue, secondValue, thirdValue);
string resultMessage = sec.message;
Assert.AreEqual(expectedMessageText, resultMessage);
}
public void CalculateSquareEquation_FirstValueEqualZero_DenominatorEqualToZero(double firtsValue, double secondValue, double thirdValue, double expectedDenominatorValue)
{
SquareEquationCalculator sec = new SquareEquationCalculator();
sec.CalculateSquareEquation(firtsValue, secondValue, thirdValue);
double resultMessage = sec.denominator;
Assert.AreEqual(expectedDenominatorValue, resultMessage);
}
public void CalculateSquareEquation_FirstValueEqualZero_MessageAboutException(double firtsValue, double secondValue, double thirdValue, string expectedMessageText)
{
SquareEquationCalculator sec = new SquareEquationCalculator();
sec.CalculateSquareEquation(firtsValue, secondValue, thirdValue);
string resultMessage = sec.message;
Assert.AreEqual(expectedMessageText, resultMessage);
}
public void CalculateSquareEquation_ExampleWithDeltaLowerThanZero_DeltaLowerThanZero(double firstValue, double secondValue, double thirdValue)
{
SquareEquationCalculator sec = new SquareEquationCalculator();
sec.CalculateSquareEquation(firstValue, secondValue, thirdValue);
double resultDelta = sec.delta;
Assert.Less(resultDelta, 0);
}
public void CalculateSquareEquation_ExampleWithDeltaLowerThanZero_AmountOfRootsEqualToZero(double firstValue, double secondValue, double thirdValue, int expectedRootsAmount)
{
SquareEquationCalculator sec = new SquareEquationCalculator();
sec.CalculateSquareEquation(firstValue, secondValue, thirdValue);
int resultRootCounter = sec.rootCounter;
Assert.AreEqual(expectedRootsAmount, resultRootCounter);
}
public void CalculateSquareEquation_ExampleWithDeltaLowerThanZero_ValidMessageAboutRoots(double firstValue, double secondValue, double thirdValue, string expectedMessage)
{
SquareEquationCalculator sec = new SquareEquationCalculator();
sec.CalculateSquareEquation(firstValue, secondValue, thirdValue);
string resultMessage = sec.message;
Assert.AreEqual(expectedMessage, resultMessage);
}
public void CalculateSquareEquation_ExampleWithDeltaEqualToZero_DeltaEqualToZero(double firstValue, double secondValue, double thirdValue, double expectedDelta)
{
SquareEquationCalculator sec = new SquareEquationCalculator();
sec.CalculateSquareEquation(firstValue, secondValue, thirdValue);
double resultDelta = sec.delta;
Assert.AreEqual(expectedDelta, resultDelta);
}
public void CalculateSquareEquation_ExampleForDeltaEqualToZero_ValidMessageAboutRoots(double firstValue, double secondValue, double thirdValue, string expectedMessageText)
{
SquareEquationCalculator sec = new SquareEquationCalculator();
sec.CalculateSquareEquation(firstValue, secondValue, thirdValue);
string resultMessageText = sec.message;
Assert.AreEqual(expectedMessageText, resultMessageText);
}