public static void Freeze(object item)
{
if (item is IFreezable)
{
IFreezable f = item as IFreezable;
f.Freeze();
}
}
public static void Freeze(object item)
{
IFreezable f = item as IFreezable;
if (f != null)
{
f.Freeze();
}
}
private void Freeze(IFreezable freezable)
{
if (freezable != null && !collisions.Contains(freezable))
{
if (isActive)
{
freezable.Freeze();
}
collisions.Add(freezable);
}
}
public Exception ValidateValue(object value, string locationName, LocationKind locationKind)
{
IFreezable freezable = value as IFreezable;
if (freezable != null)
{
freezable.Freeze();
}
return(null);
}
public static void TestFreeze(IFreezable sut)
{
var properties =
sut.GetType().GetRuntimeProperties()
.Where(x =>
x.CanWrite &&
x.CanRead &&
x.Name != "IsFrozen");
foreach (var property in properties)
{
var value =
property.PropertyType.IsValueType ?
Activator.CreateInstance(property.PropertyType) :
null;
property.SetValue(sut, value);
var result = property.GetValue(sut);
Assert.Equal(value, result);
}
sut.Freeze();
foreach (var property in properties)
{
var value =
property.PropertyType.IsValueType ?
Activator.CreateInstance(property.PropertyType) :
null;
Assert.Throws <InvalidOperationException>(() =>
{
try
{
property.SetValue(sut, value);
}
catch (Exception ex)
{
throw ex.InnerException;
}
});
}
}
