internal void NotEqualOperator_WithUnequalStates_ReturnsTrue()
{
// Arrange
// Act
var fuzzyState1 = FuzzyState.Create("High");
var fuzzyState2 = FuzzyState.Create("Low");
// Assert
Assert.True(fuzzyState1 != fuzzyState2);
}
internal void ToString_ReturnsExpectedString()
{
// Arrange
var fuzzyState = FuzzyState.Create("High");
// Act
var result = fuzzyState.ToString();
// Assert
Assert.Equal("high", result);
}
internal void GetHashcode_ReturnsExpectedValue()
{
// Arrange
var fuzzyState = FuzzyState.Create("High");
// Act
var result = fuzzyState.GetHashCode();
// Assert
Assert.Equal(-77933506, result);
}
internal void GetState_ReturnsExpectedState(double input, Enum state)
{
// Arrange
var temperature = StubLinguisticVariableFactory.WaterTemp();
// Act
var result = temperature.GetState(input);
// Assert
Assert.Equal(FuzzyState.Create(state), result);
}
internal void GetSet_ReturnsTheFuzzySet()
{
// Arrange
var temperature = StubLinguisticVariableFactory.WaterTemp();
// Act
var result = temperature.GetSet(WaterTemp.Frozen);
// Assert
Assert.Equal(FuzzyState.Create("frozen"), result.State);
}
internal void IsMember_WhenVariableDoesNotContainMember_ReturnsTrue()
{
// Arrange
var temperature = StubLinguisticVariableFactory.WaterTemp();
// Act
var result = temperature.IsMember(FuzzyState.Create("vapour"));
// Assert
Assert.False(result);
}
internal void ToString_ReturnsExpectedString()
{
// Arrange
var waterTemp = StubLinguisticVariableFactory.WaterTemp();
var conclusion = new Conclusion(waterTemp, LogicOperators.Is(), FuzzyState.Create(WaterTemp.Cold));
// Act
var result = conclusion.ToString();
// Assert
Assert.Equal("THEN WaterTemp IS cold", result);
}
internal void ValidateProposition_WhenStateNotAMemberOfLinguisticVariable_Throws()
{
// Arrange
var waterTemp = StubLinguisticVariableFactory.WaterTemp();
// Invalid fuzzy state.
var fuzzyState = FuzzyState.Create(PumpSpeed.Off);
// Act
// Assert
Assert.Throws <InvalidOperationException>(() => new Proposition(waterTemp, LogicOperators.Is(), fuzzyState));
}
/// <summary>
/// Initializes a new instance of the <see cref="Premise"/> class.
/// </summary>
/// <param name="connective">
/// The connective logic operator.
/// </param>
/// <param name="variable">
/// The linguistic variable.
/// </param>
/// <param name="evaluator">
/// The evaluation logic operator.
/// </param>
/// <param name="state">
/// The fuzzy state.
/// </param>
public Premise(
IConnectiveOperator connective,
LinguisticVariable variable,
IEvaluationOperator evaluator,
FuzzyState state)
: base(variable, evaluator, state)
{
Validate.NotNull(connective, nameof(connective));
Validate.NotNull(variable, nameof(variable));
Validate.NotNull(state, nameof(state));
this.Connective = connective;
this.Subject = variable.Subject;
}
/// <summary>
/// Initializes a new instance of the <see cref="Proposition"/> class.
/// </summary>
/// <param name="variable">
/// The linguistic variable.
/// </param>
/// <param name="evaluator">
/// The evaluation logic operator.
/// </param>
/// <param name="state">
/// The fuzzy state.
/// </param>
public Proposition(
LinguisticVariable variable,
IEvaluationOperator evaluator,
FuzzyState state)
{
Validate.NotNull(variable, nameof(variable));
Validate.NotNull(evaluator, nameof(evaluator));
Validate.NotNull(state, nameof(state));
this.Variable = variable;
this.Evaluator = evaluator;
this.State = state;
this.ValidateProposition();
}
internal void ToString_ReturnsExpectedString()
{
// Arrange
var waterTemp = StubLinguisticVariableFactory.WaterTemp();
var premise = new Premise(
LogicOperators.If(),
waterTemp,
LogicOperators.Is(),
FuzzyState.Create(WaterTemp.Cold));
// Act
var result = premise.ToString();
// Assert
Assert.Equal("IF WaterTemp IS cold", result);
}
/// <summary>
/// Initializes the SpamSum structures
/// </summary>
public SpamSumContext()
{
self = new FuzzyState {
Bh = new BlockhashContext[NUM_BLOCKHASHES]
};
for (int i = 0; i < NUM_BLOCKHASHES; i++)
{
self.Bh[i].Digest = new byte[SPAMSUM_LENGTH];
}
self.Bhstart = 0;
self.Bhend = 1;
self.Bh[0].H = HASH_INIT;
self.Bh[0].Halfh = HASH_INIT;
self.Bh[0].Digest[0] = 0;
self.Bh[0].Halfdigest = 0;
self.Bh[0].Dlen = 0;
self.TotalSize = 0;
roll_init();
}
