public void TestComparer()
{
var usage1 = new ElementUsage {
Name = "type1"
};
var usage2 = new ElementUsage {
Name = "type5"
};
var comparer = new ElementUsageComparer();
Assert.AreEqual(-4, comparer.Compare(usage1, usage2));
}
/// <summary>
/// Compares two <see cref="IRowViewModelBase{Thing}"/> of the same type
/// </summary>
/// <param name="x">The First <see cref="IRowViewModelBase{Thing}"/></param>
/// <param name="y">The second <see cref="IRowViewModelBase{Thing}"/></param>
/// <param name="type">The actual Type</param>
/// <returns>
/// Less than zero : x is "lower" than y
/// Zero: x "equals" y.
/// Greater than zero: x is "greater" than y.
/// </returns>
private int CompareSameType(IRowViewModelBase <Thing> x, IRowViewModelBase <Thing> y, Type type)
{
if (typeof(ParameterOrOverrideBaseRowViewModel).IsAssignableFrom(type))
{
var comparer = new ParameterBaseComparer();
return(comparer.Compare((ParameterBase)x.Thing, (ParameterBase)y.Thing));
}
if (type == typeof(ParameterGroupRowViewModel))
{
var comparer = new ParameterGroupComparer();
return(comparer.Compare((ParameterGroup)x.Thing, (ParameterGroup)y.Thing));
}
var usageComparer = new ElementUsageComparer();
return(usageComparer.Compare((ElementUsage)x.Thing, (ElementUsage)y.Thing));
}