public void GetDesignValue_ValidLogNormalDistributionWithNonZeroShift_ReturnExpectedValue(
double expectedValue, double variance, double shift, double percentile,
double expectedResult)
{
// Setup
const int numberOfDecimalPlaces = 4;
var logNormalDistribution = new VariationCoefficientLogNormalDistribution(numberOfDecimalPlaces)
{
Mean = (RoundedDouble)expectedValue,
CoefficientOfVariation = (RoundedDouble)Math.Sqrt(variance),
Shift = (RoundedDouble)shift
};
var designVariable = new VariationCoefficientLogNormalDistributionDesignVariable(logNormalDistribution)
{
Percentile = percentile
};
// Call
RoundedDouble result = designVariable.GetDesignValue();
// Assert
Assert.AreEqual(numberOfDecimalPlaces, result.NumberOfDecimalPlaces);
Assert.AreEqual(expectedResult, result, result.GetAccuracy());
}
public void GetProperties_WithData_ReturnExpectedValues()
{
// Setup
var mockRepository = new MockRepository();
var handler = mockRepository.Stub <IObservablePropertyChangeHandler>();
mockRepository.ReplayAll();
var distribution = new VariationCoefficientLogNormalDistribution(2)
{
Mean = new RoundedDouble(2, 1),
CoefficientOfVariation = new RoundedDouble(2, 2)
};
var designVariable = new VariationCoefficientLogNormalDistributionDesignVariable(distribution);
// Call
var properties = new VariationCoefficientLogNormalDistributionDesignVariableProperties(VariationCoefficientDistributionReadOnlyProperties.None,
designVariable,
handler);
// Assert
Assert.AreEqual("Lognormaal", properties.DistributionType);
Assert.AreEqual(distribution.Mean, properties.Mean);
Assert.AreEqual(distribution.CoefficientOfVariation, properties.CoefficientOfVariation);
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 VariationCoefficientLogNormalDistribution();
var designVariable = new VariationCoefficientLogNormalDistributionDesignVariable(distribution);
// Call
var properties = new VariationCoefficientLogNormalDistributionDesignVariableProperties(VariationCoefficientDistributionReadOnlyProperties.None,
designVariable,
handler);
// Assert
PropertyDescriptorCollection dynamicProperties = PropertiesTestHelper.GetAllVisiblePropertyDescriptors(properties);
Assert.AreEqual(4, 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",
"Variatiecoëfficiënt",
"De variatiecoëfficiënt van de lognormale verdeling.");
PropertyDescriptor designValueProperty = dynamicProperties[3];
PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(designValueProperty,
"Misc",
"Rekenwaarde",
"De representatieve waarde die gebruikt wordt door de berekening.",
true);
mockRepository.VerifyAll();
}
public void ParameteredConstructor_ValidLogNormalDistribution_ExpectedValues()
{
// Setup
var logNormalDistribution = new VariationCoefficientLogNormalDistribution(2);
// Call
var designVariable = new VariationCoefficientLogNormalDistributionDesignVariable(logNormalDistribution);
// Assert
Assert.IsInstanceOf <VariationCoefficientDesignVariable <VariationCoefficientLogNormalDistribution> >(designVariable);
Assert.AreSame(logNormalDistribution, designVariable.Distribution);
Assert.AreEqual(0.5, designVariable.Percentile);
}
public void SingleParameterConstructor_ExpectedValues()
{
// Setup
var distribution = new VariationCoefficientLogNormalDistribution();
var designVariable = new VariationCoefficientLogNormalDistributionDesignVariable(distribution);
// Call
var properties = new VariationCoefficientLogNormalDistributionDesignVariableProperties(designVariable);
// Assert
Assert.IsInstanceOf <VariationCoefficientDesignVariableProperties <VariationCoefficientLogNormalDistribution> >(properties);
Assert.AreSame(distribution, properties.Data);
Assert.AreEqual(distribution.Mean, properties.Mean);
Assert.AreEqual(distribution.CoefficientOfVariation, properties.CoefficientOfVariation);
Assert.AreEqual("Lognormaal", properties.DistributionType);
}
public void Constructor_ExpectedValues()
{
// Setup
var mockRepository = new MockRepository();
var handler = mockRepository.Stub <IObservablePropertyChangeHandler>();
mockRepository.ReplayAll();
var distribution = new VariationCoefficientLogNormalDistribution();
var designVariable = new VariationCoefficientLogNormalDistributionDesignVariable(distribution);
// Call
var properties = new VariationCoefficientLogNormalDistributionDesignVariableProperties(VariationCoefficientDistributionReadOnlyProperties.All,
designVariable,
handler);
// Assert
Assert.IsInstanceOf <VariationCoefficientDesignVariableProperties <VariationCoefficientLogNormalDistribution> >(properties);
Assert.AreSame(distribution, properties.Data);
Assert.AreEqual(distribution.Mean, properties.Mean);
Assert.AreEqual(distribution.CoefficientOfVariation, properties.CoefficientOfVariation);
Assert.AreEqual("Lognormaal", properties.DistributionType);
mockRepository.VerifyAll();
}
