public void SuccessfullyCalculateCosineOfPositiveAngle()
{
var value = 60;
var function = new CosineFunction();
var phase = function.Calculate();
Assert.NotNull(phase);
Assert.Equal("Specify Argument", phase.Name);
Assert.Equal("Specify angle to find the cosine of.", phase.Description);
Assert.Collection(phase.Inputs,
i =>
{
Assert.Equal("Angle", i.Info.Name);
Assert.Null(i.Info.Description);
Assert.Equal(new RadianUnit(), i.Info.Unit);
});
phase.Inputs[0].Value = value;
Assert.Null(function.Calculate(phase));
Assert.Collection(function.CurrentResult,
i =>
{
Assert.Equal(typeof(double), i.ValueType);
Assert.Equal(Math.Cos(value), TypeConverter.ToObject <double>(i.Value));
});
}
public void SuccessfullyCalculateCosineWithNoAngleSpecified()
{
var function = new CosineFunction();
var phase = function.Calculate();
Assert.NotNull(phase);
Assert.Null(function.Calculate(phase));
Assert.Collection(function.CurrentResult,
i =>
{
Assert.Equal(typeof(double), function.CurrentResult[0].ValueType);
Assert.Equal(Math.Cos(0.0), TypeConverter.ToObject <double>(function.CurrentResult[0].Value));
});
}
public void FractionalArgument_Calculate_ResultMastBeNumber()
{
var variableCosine = new CosineFunction();
var result = variableCosine.Calculate(99.025);
Assert.AreEqual(result, 0.064, 0.001);
}
public void ArgumentOfMinus_Calculate_ResultMustBeNumber()
{
var variableCosine = new CosineFunction();
var result = variableCosine.Calculate(-3);
Assert.AreEqual(result, -0.99, 0.001);
}
public void SuccessfullyCalculateCosineOfNegativeAngle()
{
var value = -54;
var function = new CosineFunction();
var phase = function.Calculate();
Assert.NotNull(phase);
phase.Inputs[0].Value = value;
Assert.Null(function.Calculate(phase));
Assert.Collection(function.CurrentResult,
i =>
{
Assert.Equal(typeof(double), i.ValueType);
Assert.Equal(Math.Cos(value), TypeConverter.ToObject <double>(i.Value));
});
}
public void TestCosine()
{
//Arrange
VariableNode variableNode = new VariableNode();
PiNode piNode = new PiNode();
CosineFunction cosineNode1 = new CosineFunction(variableNode);
CosineFunction cosineNode2 = new CosineFunction(piNode);
//Act
double result1 = cosineNode1.Calculate(0);
double result2 = cosineNode2.Calculate(0);
//Assert
Assert.AreEqual(1, result1);
Assert.AreEqual(-1, result2);
}
public void ArgumentZero_Calculate_ResultMustBeUnit()
{
var variableCosine = new CosineFunction();
Assert.AreEqual(1, variableCosine.Calculate(0));
}