public void TestLogarithm() { //Arrange VariableNode variableNode = new VariableNode(); LogarithmFunction logarithmNode = new LogarithmFunction(variableNode); //Act double result1 = logarithmNode.Calculate(1); double result2 = logarithmNode.Calculate(2); double result4 = logarithmNode.Calculate(4); //Assert Assert.AreEqual(0, result1); Assert.AreEqual(0.6931, Math.Round(result2, 4)); Assert.AreEqual(1.3863, Math.Round(result4, 4)); }
public void SuccessfullyCalculateALogarithmWithOnlyLogarithmSpecified() { var function = new LogarithmFunction(); var inputs = function.GetInputs(); Assert.Equal(2, inputs.Length); inputs[0].Value = 8; var result = function.Calculate(inputs); Assert.Collection(result, i => { Assert.Equal(typeof(double), i.Value.GetType()); Assert.Equal(Math.Log(8, 10), TypeConverter.ToObject <double>(i.Value)); }); }