public void IfNullGuids()
{
var airplane = new Airplane {
Engine = new Engine()
};
Assert.Same(airplane, airplane.IfNull(x => (object)x.Engine.Guid));
airplane.Engine.Guid = new Guid();
Assert.Null(airplane.IfNull(x => (object)x.Engine.Guid));
Assert.True(true);
}
public void IfNull()
{
var airplane = new Airplane();
Assert.NotNull(airplane.IfNull(x => x.Engine));
Assert.Equal("missing engine", airplane.IfNull(x => x.Engine)
.Return(x => "missing engine", "has engine"));
airplane.Engine = new Engine();
Assert.Null(airplane.IfNull(x => x.Engine));
Assert.True(true);
}
