public void Read_CorrectDataForTwoEquations_DoesNotThrowCorrectParameters()
{
// arrange
var a1 = 1.0;
var b1 = 2.0;
var c1 = 3.0;
var a2 = -0.8;
var b2 = 2.0;
var c2 = 3.5;
var fileReader = new FileReaderQuadraticEquations(PathToFileWithTwoLine);
// act
var paramsEquations = fileReader.Read().ToList();
// assert
Assert.AreEqual(2, paramsEquations.Count);
var paramsEquationFirst = paramsEquations[0];
var paramsEquationSecond = paramsEquations[1];
Assert.AreEqual(a1, paramsEquationFirst.A);
Assert.AreEqual(b1, paramsEquationFirst.B);
Assert.AreEqual(c1, paramsEquationFirst.C);
Assert.AreEqual(a2, paramsEquationSecond.A);
Assert.AreEqual(b2, paramsEquationSecond.B);
Assert.AreEqual(c2, paramsEquationSecond.C);
}
public void Ctor_EmptyPathToFile_ThrowException(string pathToFile)
{
// arrange, act and assert
Assert.Catch <ArgumentNullException>(() =>
{
_ = new FileReaderQuadraticEquations(pathToFile);
});
}
public void Read_CorrectDataForOneEquation_DoesNotThrowCorrectParameters()
{
// arrange
var a = 1.0;
var b = 2.0;
var c = -3.0;
var fileReader = new FileReaderQuadraticEquations(PathToFileWithOneLine);
// act
var paramsEquation = fileReader.Read().First();
// assert
Assert.AreEqual(a, paramsEquation.A);
Assert.AreEqual(b, paramsEquation.B);
Assert.AreEqual(c, paramsEquation.C);
}
