public void ToString_Always_ReturnDistributionName()
{
// Setup
var mockRepository = new MockRepository();
var handler = mockRepository.Stub <IObservablePropertyChangeHandler>();
mockRepository.ReplayAll();
var distribution = new LogNormalDistribution(2)
{
Mean = new RoundedDouble(2, 1),
StandardDeviation = new RoundedDouble(2, 2),
Shift = new RoundedDouble(2, 0.3)
};
var designVariable = new LogNormalDistributionDesignVariable(distribution);
// Call
var properties = new ShiftedLogNormalDistributionDesignVariableProperties(DistributionReadOnlyProperties.None,
designVariable,
handler);
// Call
string propertyName = properties.ToString();
// Assert
Assert.AreEqual("0,53 (Verwachtingswaarde = 1,00, Standaardafwijking = 2,00, Verschuiving = 0,30)", propertyName);
}
public void GetProperties_WithData_ReturnExpectedValues()
{
// Setup
var mockRepository = new MockRepository();
var handler = mockRepository.Stub <IObservablePropertyChangeHandler>();
mockRepository.ReplayAll();
var distribution = new LogNormalDistribution(2)
{
Mean = new RoundedDouble(2, 1),
StandardDeviation = new RoundedDouble(2, 2)
};
var designVariable = new LogNormalDistributionDesignVariable(distribution);
// Call
var properties = new ShiftedLogNormalDistributionDesignVariableProperties(DistributionReadOnlyProperties.None,
designVariable,
handler);
// Assert
Assert.AreEqual("Lognormaal", properties.DistributionType);
Assert.AreEqual(distribution.Mean, properties.Mean);
Assert.AreEqual(distribution.StandardDeviation, properties.StandardDeviation);
Assert.AreEqual(designVariable.GetDesignValue(), properties.DesignValue);
}
public void Constructor_Always_PropertiesHaveExpectedAttributesValues()
{
// Setup
var mockRepository = new MockRepository();
var handler = mockRepository.Stub <IObservablePropertyChangeHandler>();
mockRepository.ReplayAll();
var distribution = new LogNormalDistribution();
var designVariable = new LogNormalDistributionDesignVariable(distribution);
// Call
var properties = new ShiftedLogNormalDistributionDesignVariableProperties(DistributionReadOnlyProperties.None,
designVariable,
handler);
// Assert
PropertyDescriptorCollection dynamicProperties = PropertiesTestHelper.GetAllVisiblePropertyDescriptors(properties);
Assert.AreEqual(5, dynamicProperties.Count);
PropertyDescriptor distributionTypeProperty = dynamicProperties[0];
PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(distributionTypeProperty,
"Misc",
"Type verdeling",
"Het soort kansverdeling waarin deze parameter gedefinieerd wordt.",
true);
PropertyDescriptor meanProperty = dynamicProperties[1];
PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(meanProperty,
"Misc",
"Verwachtingswaarde",
"De gemiddelde waarde van de lognormale verdeling.");
PropertyDescriptor standardDeviationProperty = dynamicProperties[2];
PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(standardDeviationProperty,
"Misc",
"Standaardafwijking",
"De standaardafwijking van de lognormale verdeling.");
PropertyDescriptor shiftProperty = dynamicProperties[3];
PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(shiftProperty,
"Misc",
"Verschuiving",
"De hoeveelheid waarmee de kansverdeling naar rechts (richting van positieve X-as) verschoven is.",
true);
PropertyDescriptor designValueProperty = dynamicProperties[4];
PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(designValueProperty,
"Misc",
"Rekenwaarde",
"De representatieve waarde die gebruikt wordt door de berekening.",
true);
mockRepository.VerifyAll();
}
public void GetDesignValue_ValidLogNormalDistributionWithNonZeroShift_ReturnExpectedValue(
double expectedValue, double variance, double shift, double percentile,
double expectedResult)
{
// Setup
const int numberOfDecimalPlaces = 4;
var logNormalDistribution = new LogNormalDistribution(numberOfDecimalPlaces)
{
Mean = (RoundedDouble)expectedValue,
StandardDeviation = (RoundedDouble)Math.Sqrt(variance),
Shift = (RoundedDouble)shift
};
var designVariable = new LogNormalDistributionDesignVariable(logNormalDistribution)
{
Percentile = percentile
};
// Call
RoundedDouble result = designVariable.GetDesignValue();
// Assert
Assert.AreEqual(numberOfDecimalPlaces, result.NumberOfDecimalPlaces);
Assert.AreEqual(expectedResult, result, result.GetAccuracy());
}
public void ParameteredConstructor_ValidLogNormalDistribution_ExpectedValues()
{
// Setup
var logNormalDistribution = new LogNormalDistribution(2);
// Call
var designVariable = new LogNormalDistributionDesignVariable(logNormalDistribution);
// Assert
Assert.IsInstanceOf <PercentileBasedDesignVariable <LogNormalDistribution> >(designVariable);
Assert.AreSame(logNormalDistribution, designVariable.Distribution);
Assert.AreEqual(0.5, designVariable.Percentile);
}
public void SingleParameterConstructor_ExpectedValues()
{
// Setup
var distribution = new LogNormalDistribution();
var designVariable = new LogNormalDistributionDesignVariable(distribution);
// Call
var properties = new ShiftedLogNormalDistributionDesignVariableProperties(designVariable);
// Assert
Assert.IsInstanceOf <LogNormalDistributionDesignVariableProperties>(properties);
Assert.AreSame(distribution, properties.Data);
Assert.AreEqual(distribution.Mean, properties.Mean);
Assert.AreEqual(distribution.StandardDeviation, properties.StandardDeviation);
Assert.AreEqual("Lognormaal", properties.DistributionType);
}
public void Constructor_ExpectedValues()
{
// Setup
var mockRepository = new MockRepository();
var handler = mockRepository.Stub <IObservablePropertyChangeHandler>();
mockRepository.ReplayAll();
var distribution = new LogNormalDistribution();
var designVariable = new LogNormalDistributionDesignVariable(distribution);
// Call
var properties = new SimpleDesignVariableProperties(DistributionReadOnlyProperties.All,
designVariable,
handler);
// Assert
Assert.IsInstanceOf <DistributionPropertiesBase <LogNormalDistribution> >(properties);
Assert.AreEqual(designVariable.GetDesignValue(), properties.DesignValue);
mockRepository.VerifyAll();
}
public void Constructor_ExpectedValues()
{
// Setup
var mockRepository = new MockRepository();
var handler = mockRepository.Stub <IObservablePropertyChangeHandler>();
mockRepository.ReplayAll();
var distribution = new LogNormalDistribution();
var designVariable = new LogNormalDistributionDesignVariable(distribution);
// Call
var properties = new ShiftedLogNormalDistributionDesignVariableProperties(DistributionReadOnlyProperties.All,
designVariable,
handler);
// Assert
Assert.IsInstanceOf <LogNormalDistributionDesignVariableProperties>(properties);
Assert.AreSame(distribution, properties.Data);
Assert.AreEqual(distribution.Mean, properties.Mean);
Assert.AreEqual(distribution.StandardDeviation, properties.StandardDeviation);
Assert.AreEqual("Lognormaal", properties.DistributionType);
mockRepository.VerifyAll();
}
