public void DerivesFromShouldAndCombineWithNewIsTypeOfFilter()
{
PluginFilter original = PluginFilter.Create.IsNamed("original");
Type type = typeof(UnitTest_PluginFilter);
PluginFilter tested = original.DerivesFrom(type);
Assert.AreEqual(PluginFilter.FilterOperation.And, tested.Operation);
Assert.AreEqual(2, tested.SubFilters.Length);
Assert.IsTrue(tested.SubFilters.Contains(original));
Assert.IsTrue(tested.SubFilters.Any(x => x.Operation == PluginFilter.FilterOperation.DerivesFrom && x.OperationData == type.AssemblyQualifiedName));
}
public void DerivesFromShouldNotAcceptNullString()
{
PluginFilter original = PluginFilter.Create.IsNamed("original");
DoAssert.Throws <ArgumentNullException>(() => original.DerivesFrom((String)null));
}
