public void CompareTo_Throws()
{
var subject = new NumericPriorityStage(107);
var compareTo = Mock.Of <IStage>();
Assert.Throws <InvalidOperationException>(() => subject.CompareTo(compareTo));
}
public void CompareTo_Correct_GreaterThan()
{
var subject = new NumericPriorityStage(107);
var compareTo = new NumericPriorityStage(143);
var result = subject.CompareTo(compareTo);
Assert.Equal(1, result);
}
public void CompareTo_Correct_null()
{
var subject = new NumericPriorityStage(107);
var compareTo = (IStage)null;
var result = subject.CompareTo(compareTo);
Assert.Equal(1, result);
}
public void CompareTo_Correct_LessThan()
{
var subject = new NumericPriorityStage(107);
var compareTo = new NumericPriorityStage(65);
var result = subject.CompareTo(compareTo);
Assert.Equal(-1, result);
}
public void CompareTo_CorrectOrder()
{
var item1 = new NumericPriorityStage(3654);
var item2 = new NumericPriorityStage(345);
var item3 = new NumericPriorityStage(6276);
var item4 = new NumericPriorityStage(2);
var item5 = new NumericPriorityStage(479);
var items = new List <IStage> {
item1, item2, item3, item4, item5
};
var inOrder = items.OrderBy(i => i);
Assert.Collection(inOrder.OfType <NumericPriorityStage>(),
item => Assert.Same(item3, item),
item => Assert.Same(item1, item),
item => Assert.Same(item5, item),
item => Assert.Same(item2, item),
item => Assert.Same(item4, item));
}