public void TestDoFoldConstantInPositiveSquareRoot()
{
AbstractExpr input = new UnaryExpression(Polynomial.CreateConstant(4), new PositiveSquareroot());
IAbstractExpr result = input.Accept(visitor, Ig.nore);
Assert.AreNotEqual(input, result);
Assert.AreEqual(Polynomial.CreateConstant(2), result);
}
public void Visit(UnaryExpression unaryExpression)
{
if (_innerVisitor != null)
{
unaryExpression.Accept(_innerVisitor);
}
unaryExpression.Right.Accept(this);
}
public override void Visit(UnaryExpression expression)
{
expression.Accept(this);
}
public void TestDontFoldConstantInFormalSquareRoot()
{
AbstractExpr input = new UnaryExpression(Polynomial.CreateConstant(4), new FormalSquareroot());
IAbstractExpr result = input.Accept(visitor, Ig.nore);
Assert.AreEqual(input, result);
Assert.AreSame(input, result);
}
public void TestSquareOfUnaryMinus()
{
AbstractExpr input = new UnaryExpression(-Polynomial.CreateNamedVariable("a").C, new Square());
string result = input.Accept(new ToStringVisitor(), BASE_PAR);
Assert.AreEqual("(-a)²", result);
}
public void TestSquareOfSum()
{
AbstractExpr input = new UnaryExpression(Polynomial.CreateNamedVariable("a").C + Polynomial.CreateConstant(1), new Square());
string result = input.Accept(new ToStringVisitor(), BASE_PAR);
Assert.AreEqual("(a+1)²", result);
}
public void TestSinOfUnaryMinus()
{
AbstractExpr input = new UnaryExpression(-Polynomial.CreateConstant(1).C, new Sin());
string result = input.Accept(new ToStringVisitor(), BASE_PAR);
Assert.AreEqual("sin (-1)", result);
}
public void TestSinOfSquare()
{
AbstractExpr input = new UnaryExpression(new UnaryExpression(Polynomial.CreateNamedVariable("a"), new Square()), new Sin());
string result = input.Accept(new ToStringVisitor(), BASE_PAR);
Assert.AreEqual("sin a²", result);
}
public void VisitorWithReturnIsImplemented()
{
var sut = new UnaryExpression();
sut.Accept(23).VerifyWithReturn(v => v.Visit(sut, 23));
}