public void Find_ReturnsIndexesWithExpectedOrdering()
{
SortedTable <int> table = new SortedTable <int>();
table.Add(1);
table.Add(2);
table.Add(3);
SortedTable <int> .Index index1 = table.Find(1);
SortedTable <int> .Index index2 = table.Find(2);
SortedTable <int> .Index index3 = table.Find(3);
Assert.True(index1.CompareTo(index1) == 0);
Assert.True(index1.Equals(index1));
Assert.False(index1.Equals(index2));
Assert.True(index1.CompareTo(index2) < 0);
Assert.True(index1.CompareTo(index3) < 0);
Assert.True(index2.CompareTo(index1) > 0);
Assert.True(index2.CompareTo(index2) == 0);
Assert.True(index2.Equals(index2));
Assert.False(index2.Equals(index3));
Assert.True(index2.CompareTo(index3) < 0);
Assert.True(index3.CompareTo(index1) > 0);
Assert.True(index3.CompareTo(index2) > 0);
Assert.True(index3.CompareTo(index3) == 0);
Assert.True(index3.Equals(index3));
Assert.False(index3.Equals(index1));
}