/// <summary>
/// Determines whether properties are initialized or not.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="propertiesContainer">The properties container.</param>
/// <param name="trace">The trace.</param>
/// <param name="options">The options.</param>
/// <returns></returns>
/// <exception cref="System.ArgumentNullException">
/// propertiesContainer - Cannot check if properties are initialized on null
/// instance
/// </exception>
// ReSharper disable once ExcessiveIndentation
public static bool PropertiesAreInitialized <T>(T propertiesContainer, CheckingTrace trace,
PropertiesComparisonOptions options)
{
if (propertiesContainer == null)
{
throw new ArgumentNullException(nameof(propertiesContainer),
"Cannot check if properties are initialized on null instance");
}
var type = propertiesContainer.GetType();
var properties = ObjectComparer.SelectProperties(type.GetProperties(), options.ExcludedProperties);
foreach (var propertyName in properties)
{
var property = type.GetProperty(propertyName);
if (options.IgnoreReadOnlyProperties && !property.CanWrite)
{
continue;
}
if (property.CanRead)
{
// Indexed Properties are managed
if (property.GetIndexParameters().Length == 0)
{
var value = property.GetValue(propertiesContainer, null);
trace.PushProperty(type, property.PropertyType, propertyName);
if (!IsFilled(value, trace, options))
{
return(false);
}
trace.Pop();
}
}
}
return(true);
}
private static bool PropertiesAreEqual(object expected, object tested, IEnumerable <string> properties,
PropertiesComparisonOptions comparisonOptions, CheckingTrace trace)
{
foreach (var propertyName in properties)
{
if (propertyName == "SyncRoot")
{
continue;
}
var expectedType = expected.GetType();
// get property infos
var expectedProperty = expectedType.GetProperty(propertyName);
var getter = expectedProperty.GetGetMethod();
if (getter == null || getter.IsStatic)
{
// no getter, or static
continue;
}
var testedType = tested.GetType();
var testedProperty = testedType.GetProperty(expectedProperty.Name);
if (testedProperty == null)
{
trace.SetFailure(
$"{testedType}:{tested} has not the expected property {expectedProperty.Name} of {expectedType}");
return(false);
}
// compare values
if (expectedProperty.CanRead && testedProperty.CanRead)
{
if (expectedProperty.GetIndexParameters().Length != 0)
{
continue;
}
var expectedValue = expectedProperty.GetValue(expected, null);
var testedValue = testedProperty.GetValue(tested, null);
trace.PushProperty(expectedType, expectedProperty.PropertyType, expectedProperty.Name);
if (!ObjectsAreEqual(expectedValue, testedValue, comparisonOptions, trace))
{
return(false);
}
trace.Pop();
}
}
return(true);
}
