public void LessFact()
{
ComparisonFact fact = new ComparisonFact("Temperature", Comparison.Less, 40);
Assert.AreEqual("Temperature", fact.Name);
Assert.AreEqual("<", fact.Verb);
Assert.AreEqual(40, fact.Value);
Assert.IsTrue(fact.IsSatisfiedByValue(38));
Assert.IsTrue(fact.IsSatisfiedByValue(-10));
Assert.IsFalse(fact.IsSatisfiedByValue(40));
Assert.IsFalse(fact.IsSatisfiedByValue(42));
Assert.IsFalse(fact.IsSatisfiedByValue((object)null));
}
public void GreaterFact()
{
ComparisonFact fact = new ComparisonFact("Temperature", Comparison.Greater, 38);
Assert.AreEqual("Temperature", fact.Name);
Assert.AreEqual(">", fact.Verb);
Assert.AreEqual(38, fact.Value);
Assert.IsTrue(fact.IsSatisfiedByValue(39));
Assert.IsTrue(fact.IsSatisfiedByValue(40));
Assert.IsFalse(fact.IsSatisfiedByValue(38));
Assert.IsFalse(fact.IsSatisfiedByValue(22));
Assert.IsFalse(fact.IsSatisfiedByValue((object)null));
}
public void TrueComparisonFact()
{
Fact fact = new ComparisonFact("Temperature", Comparison.GreaterEqual, 36);
Assert.IsTrue(this.world.IsAFact(fact));
}
public void RaiseWhenRetractFalseComparisonFact()
{
Fact fact = new ComparisonFact("Age", Comparison.Greater, 40);
this.world.RetractFact(fact);
}
public void FalseComparisonFact()
{
Fact fact = new ComparisonFact("Temperature", Comparison.Greater, 42);
Assert.IsFalse(this.world.IsAFact(fact));
}
public void AssertTwiceAndTestComparisonFact()
{
Fact fact = new ComparisonFact("Age", Comparison.GreaterEqual, 40);
this.world.AssertFact(fact);
this.world.AssertFact(new ComparisonFact("Age", Comparison.GreaterEqual, 40));
Assert.IsTrue(this.world.IsAFact(fact));
}
public void AssertAndRetractAndTestComparisonFact()
{
Fact fact = new ComparisonFact("Pressure", Comparison.GreaterEqual, 20);
this.world.AssertFact(fact);
this.world.RetractFact(fact);
Assert.IsFalse(this.world.IsAFact(fact));
}
