public void RuleValid_Success()
{
//Arrange
LinguisticVariable water = new LinguisticVariable("Water");
var cold = water.MembershipFunctions.AddTrapezoid("Cold", 0, 0, 20, 40);
var warm = water.MembershipFunctions.AddTrapezoid("Warm", 30, 50, 50, 70);
var hot = water.MembershipFunctions.AddTrapezoid("Hot", 50, 80, 100, 100);
LinguisticVariable power = new LinguisticVariable("Power");
var low = power.MembershipFunctions.AddTrapezoid("Low", 0, 25, 25, 50);
var high = power.MembershipFunctions.AddTrapezoid("High", 25, 50, 50, 75);
//Act
var rule1 = new FuzzyRule().If(water.Is(cold)).Then(power.Is(high)); //valid
var rule2 = new FuzzyRule().If(water.IsNot(cold)).Then(power.Is(high)); //valid
var rule3 = new FuzzyRule().If(water.Is(cold).Or(water.Is(warm))).Then(power.Is(high)); //valid
var rule4 = new FuzzyRule().If(water.Is(cold).Or(water.Is(warm)).And(water.Is(hot))).Then(power.Is(high)); //valid
var rule5 = new FuzzyRule().If(water.Is(cold).And(water.Is(warm)).And(water.Is(hot))).Then(power.Is(high)); //valid
var rule6 = new FuzzyRule().If(water.Is(cold).Or(water.Is(warm)).Or(water.Is(hot))).Then(power.Is(high)); //valid
var result1 = rule1.IsValid();
var result2 = rule2.IsValid();
var result3 = rule3.IsValid();
var result4 = rule4.IsValid();
var result5 = rule3.IsValid();
var result6 = rule4.IsValid();
//Assert
Assert.That(result1, Is.True, "result1");
Assert.That(result2, Is.True, "result2");
Assert.That(result3, Is.True, "result3");
Assert.That(result4, Is.True, "result4");
Assert.That(result5, Is.True, "result5");
Assert.That(result6, Is.True, "result6");
}
public void RuleInvalid_Success()
{
//Arrange
LinguisticVariable water = new LinguisticVariable("Water");
var cold = water.MembershipFunctions.AddTrapezoid("Cold", 0, 0, 20, 40);
var warm = water.MembershipFunctions.AddTrapezoid("Warm", 30, 50, 50, 70);
var hot = water.MembershipFunctions.AddTrapezoid("Hot", 50, 80, 100, 100);
LinguisticVariable power = new LinguisticVariable("Power");
var low = power.MembershipFunctions.AddTrapezoid("Low", 0, 25, 25, 50);
var high = power.MembershipFunctions.AddTrapezoid("High", 25, 50, 50, 75);
//Act
var rule4 = new FuzzyRule().If(water.Is(cold).Or(water.Is(warm))); //not
var rule5 = new FuzzyRule().Then(power.Is(high)); //not
var rule6 = new FuzzyRule().If(new List <FuzzyRuleCondition>()).Then(power.Is(high)); //not
var result1 = rule4.IsValid();
var result2 = rule5.IsValid();
var result3 = rule6.IsValid();
//Assert
Assert.That(result1, Is.False, "result1");
Assert.That(result2, Is.False, "result2");
Assert.That(result3, Is.False, "result3");
}