public void Same_Sets_Produce_Empty_Set_On_Difference()
{
var a = new [] { 1 };
var b = new [] { 1 };
var c = a.Difference(b);
Expect(c, Is.Not.Null);
Expect(c.Count, Is.EqualTo(0));
}
public void Two_Sided_Difference()
{
var a = new[] { 1, 2 };
var b = new[] { 1, 3 };
var c = a.Difference(b);
Expect(c, Is.Not.Null);
Expect(c.Count, Is.EqualTo(2));
Expect(c.SetEquals(new [] { 2, 3 }));
}
public void One_Sided_Difference()
{
var a = new[] { 1, 2 };
var b = new[] { 1 };
var c = a.Difference(b);
Expect(c, Is.Not.Null);
Expect(c.Count, Is.EqualTo(1));
Expect(c.First(), Is.EqualTo(2));
}
public void DifferenceTest()
{
var a = new[] { 1, 2, 3, 4, 5, 6, 7 };
var b = new[] { 4, 5, 6, 7, 8, 9, 10 };
IEnumerable<int> expected = new[] { 1, 2, 3, 8, 9, 10 };
var result = a.Difference(b);
Assert.AreEqual(expected.Count(), result.Count());
for (int x = 0; x < expected.Count(); ++x)
Assert.AreEqual(expected.ElementAt(x), result.ElementAt(x));
}
public void CollectionExtensions_Set_Difference()
{
var a = new[] { 1, 2, 3, 4, 5, 6, 7 };
var b = new[] { 4, 5, 6, 7, 8, 9, 10 };
var expected = new[] { 1, 2, 3, 8, 9, 10 };
var result = a.Difference(b);
Assert.IsTrue(expected.SequenceEqual(result));
}