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 properties = new ShiftedLogNormalDistributionProperties(DistributionReadOnlyProperties.None,
distribution,
handler);
// Call
var propertyName = properties.ToString();
// Assert
Assert.AreEqual("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),
Shift = new RoundedDouble(2, 0.3)
};
// Call
var properties = new ShiftedLogNormalDistributionProperties(DistributionReadOnlyProperties.None,
distribution,
handler);
// Assert
Assert.AreEqual("Lognormaal", properties.DistributionType);
Assert.AreEqual(distribution.Mean, properties.Mean);
Assert.AreEqual(distribution.StandardDeviation, properties.StandardDeviation);
Assert.AreEqual(distribution.Shift, properties.Shift);
}
public void Constructor_WithDistribution_ExpectedValues()
{
// Setup
var distribution = new LogNormalDistribution();
// Call
var properties = new ShiftedLogNormalDistributionProperties(distribution);
// Assert
Assert.IsInstanceOf <DistributionPropertiesBase <LogNormalDistribution> >(properties);
Assert.AreSame(distribution, properties.Data);
Assert.AreEqual("Lognormaal", properties.DistributionType);
AssertPropertiesInState(properties, true, true);
}
public void SingleParameterConstructor_ExpectedValues()
{
// Setup
var distribution = new LogNormalDistribution();
// Call
var properties = new ShiftedLogNormalDistributionProperties(distribution);
// Assert
Assert.IsInstanceOf <LogNormalDistributionProperties>(properties);
Assert.AreSame(distribution, properties.Data);
Assert.AreEqual(distribution.Mean, properties.Mean);
Assert.AreEqual(distribution.StandardDeviation, properties.StandardDeviation);
Assert.AreEqual(distribution.Shift, properties.Shift);
Assert.AreEqual("Lognormaal", properties.DistributionType);
}
private static void AssertPropertiesInState(ShiftedLogNormalDistributionProperties properties, bool meanReadOnly, bool deviationReadOnly)
{
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.",
meanReadOnly);
PropertyDescriptor standardDeviationProperty = dynamicProperties[2];
PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(standardDeviationProperty,
"Misc",
"Standaardafwijking",
"De standaardafwijking van de lognormale verdeling.",
deviationReadOnly);
PropertyDescriptor shiftProperty = dynamicProperties[3];
PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(shiftProperty,
"Misc",
"Verschuiving",
"De hoeveelheid waarmee de kansverdeling naar rechts (richting van positieve X-as) verschoven is.",
true);
}
public void Constructor_WithParameters_ExpectedValues()
{
// Setup
var mocks = new MockRepository();
var handler = mocks.Stub <IObservablePropertyChangeHandler>();
mocks.ReplayAll();
var distribution = new LogNormalDistribution();
// Call
var properties = new ShiftedLogNormalDistributionProperties(
DistributionReadOnlyProperties.None, distribution, handler);
// Assert
Assert.IsInstanceOf <DistributionPropertiesBase <LogNormalDistribution> >(properties);
Assert.AreSame(distribution, properties.Data);
Assert.AreEqual("Lognormaal", properties.DistributionType);
AssertPropertiesInState(properties, false, false);
mocks.VerifyAll();
}
