public void ExecuteNullDerivTest()
{
var exp = new Derivative(Variable.X)
{
Differentiator = null,
Simplifier = null
};
Assert.Throws <ArgumentNullException>(() => exp.Execute());
}
public void ExecutePointTest()
{
var differentiator = new Mock <IDifferentiator>();
differentiator.Setup(d => d.Analyze(It.IsAny <Derivative>()))
.Returns <Derivative>(exp => exp.Expression);
var deriv = new Derivative(differentiator.Object, null, Variable.X, Variable.X, new Number(2));
Assert.Equal(2.0, deriv.Execute());
}
public void ExecuteNullSimpTest()
{
var differentiator = new Mock <IDifferentiator>();
differentiator.Setup(d => d.Analyze(It.IsAny <Derivative>()))
.Returns <Derivative>(e => e.Expression);
var exp = new Derivative(differentiator.Object, null, Variable.X);
var result = exp.Execute();
Assert.Equal(result, result);
}
public void ExecuteNullDerivTest()
{
var exp = new Derivative(null, null, Variable.X);
Assert.Throws <ArgumentNullException>(() => exp.Execute());
}