private RealHelper SetUpHelper(IInterpreterReal parent)
{
RealHelper realHelper = new RealHelper();
realHelper.SetInterpreter(parent);
return(realHelper);
}
public void ExportReal_Real_ReturnsCorrectResult(double input, double expected)
{
RealLiteralExpression realLit = new RealLiteralExpression(input, 1, 1);
ExportNode exportNode = new ExportNode(realLit, 1, 1);
IInterpreterReal parent = Substitute.For <IInterpreterReal>();
parent.DispatchReal(realLit, Arg.Any <List <object> >()).Returns(input);
RealHelper realHelper = SetUpHelper(parent);
double res = realHelper.ExportReal(exportNode, new List <object>());
Assert.AreEqual(expected, res);
}
public void CastIntegerToReal_Int_ReturnsCorrectResult(int input, double expected)
{
RealLiteralExpression realLit = new RealLiteralExpression(input, 1, 1);
CastFromIntegerExpression castExpr = new CastFromIntegerExpression(realLit, 1, 1);
IInterpreterReal parent = Substitute.For <IInterpreterReal>();
parent.DispatchInt(realLit, Arg.Any <List <object> >()).Returns(input);
RealHelper realHelper = SetUpHelper(parent);
double res = realHelper.CastIntegerToReal(castExpr, new List <object>());
Assert.AreEqual(expected, res);
}
public void ModuloReal_DivisorIsZero_ThrowsException(double input1, double input2)
{
RealLiteralExpression realLit1 = new RealLiteralExpression(input1, 1, 1);
RealLiteralExpression realLit2 = new RealLiteralExpression(input2, 2, 2);
ModuloExpression moduloExpr = new ModuloExpression(realLit1, realLit2, 1, 1);
IInterpreterReal parent = Substitute.For <IInterpreterReal>();
parent.DispatchReal(realLit1, Arg.Any <List <object> >()).Returns(input1);
parent.DispatchReal(realLit2, Arg.Any <List <object> >()).Returns(input2);
RealHelper realHelper = SetUpHelper(parent);
Assert.ThrowsException <DivisionByZeroException>(() => realHelper.ModuloReal(moduloExpr, new List <object>()));
}
public void SubtractionReal_TwoReals_ReturnsCorrectResult(double input1, double input2, double expected)
{
RealLiteralExpression realLit1 = new RealLiteralExpression(input1, 1, 1);
RealLiteralExpression realLit2 = new RealLiteralExpression(input2, 2, 2);
SubtractionExpression subtractionExpr = new SubtractionExpression(realLit1, realLit2, 1, 1);
IInterpreterReal parent = Substitute.For <IInterpreterReal>();
parent.DispatchReal(realLit1, Arg.Any <List <object> >()).Returns(input1);
parent.DispatchReal(realLit2, Arg.Any <List <object> >()).Returns(input2);
RealHelper realHelper = SetUpHelper(parent);
double res = realHelper.SubtractionReal(subtractionExpr, new List <object>());
Assert.AreEqual(expected, res);
}
public void NegativeReal_Real_CorrectNegativeValue(double input, double expected)
{
RealLiteralExpression realLitExpr = new RealLiteralExpression(input, 0, 0);
NegativeExpression negExpr = new NegativeExpression(new List <ExpressionNode>()
{
realLitExpr
}, 0, 0);
IInterpreterReal parent = Substitute.For <IInterpreterReal>();
parent.DispatchReal(realLitExpr, Arg.Any <List <object> >()).Returns(input);
RealHelper realHelper = SetUpHelper(parent);
double res = realHelper.NegativeReal(negExpr, new List <object>());
Assert.AreEqual(expected, res);
}
public void SetInterpreter(IInterpreterReal interpreter)
{
_interpreter = interpreter;
}