public void TestRemoveEmptyElements()
{
string[] arrayWithEmpties = new string[] {
"", "lorem", "ipsum", null, String.Empty, "xxx"
};
string[] expectedArray = new string[] {
"lorem", "ipsum", "xxx"
};
int expectedLength = 3;
string[] returnedArray = LipsumUtilities.RemoveEmptyElements(arrayWithEmpties);
CollectionAssert.DoesNotContain(returnedArray, "");
CollectionAssert.AllItemsAreNotNull(returnedArray);
CollectionAssert.AllItemsAreInstancesOfType(returnedArray, typeof(String));
#if PORTABLE
Assert.AreEqual(expectedLength, returnedArray.Length);
CollectionAssert.AreEqual(expectedArray, returnedArray);
#else
CollectionAssert.AreCountEqual(expectedLength, returnedArray);
CollectionAssert.AreElementsEqual(expectedArray, returnedArray);
#endif
}
public void EmptyGraph()
{
algo = new DataTableJoinSortAlgorithm(this.graph);
algo.Compute();
Assert.IsNull(algo.StartVertex);
CollectionAssert.AreCountEqual(0, algo.Joins);
}
public void UsersOnly()
{
DataTableJoinVertex users = this.graph.AddVertex(this.dataSource.Users, "U");
algo = new DataTableJoinSortAlgorithm(this.graph);
algo.Compute();
Assert.IsNotNull(algo.StartVertex);
Assert.AreEqual(users, algo.StartVertex);
CollectionAssert.AreCountEqual(0, algo.Joins);
ShowJoins();
}
public void ConcatTwoTuples()
{
ITuple tuple2 = new Tuple();
tuple2.Add("tuple2");
this.target.Add("target");
this.target.Concat(tuple2);
CollectionAssert.AreCountEqual(2, target);
Assert.AreEqual("target", target[0]);
Assert.AreEqual("tuple2", target[1]);
}
protected void CheckResult()
{
CollectionAssert.AreCountEqual(g.VerticesCount, topo.SortedVertices);
IVertex u = null;
foreach (IVertex v in this.topo.SortedVertices)
{
if (u != null)
{
CheckOrder(u, v);
}
u = v;
}
}
public void AddAndRemoveOneEdge()
{
AdjacencyGraph g = new AdjacencyGraph();
IVertex v = g.AddVertex();
IVertex u = g.AddVertex();
IEdge edge = g.AddEdge(u, v);
this.target = new ReversedEdgeAugmentorAlgorithm(g);
target.AddReversedEdges();
target.RemoveReversedEdges();
Assert.AreEqual(2, this.target.VisitedGraph.VerticesCount);
Assert.AreEqual(1, this.target.VisitedGraph.EdgesCount);
CollectionAssert.AreCountEqual(0, this.target.AugmentedEdges);
Assert.AreEqual(0, this.target.ReversedEdges.Count);
}
public void SortsEventIndexDescending()
{
List <Post> sorted = _posts.OrderBy(p => p, new DateDescendingPostComparer(StartDateField)).ToList();
CollectionAssert.AreCountEqual(_originalPosts, sorted);
CollectionAssert.AreEquivalent(_originalPosts, sorted);
// Assert that
// - posts without date come first,
// - posts following the first date post also have dates,
// - posts without date are sorted by title (ascending),
// - posts with date are sorted by date (descending).
bool firstDatePostReached = false;
DateTime?lastDate = null;
Post lastPost = null;
foreach (Post post in sorted)
{
DateTime date;
bool hasDate = DateTime.TryParse(post[StartDateField], out date);
if (hasDate)
{
firstDatePostReached = true;
}
if (firstDatePostReached && !hasDate)
{
Assert.Fail("There are posts without dates following a post with a date.");
}
if (!firstDatePostReached && lastPost != null)
{
Assert.GreaterEqualThan(post.Title, lastPost.Title);
}
if (firstDatePostReached && lastDate != null && hasDate)
{
Assert.LowerEqualThan(date, lastDate.Value, post.Title + " " + lastPost.Title);
}
lastPost = post;
lastDate = hasDate ? date : (DateTime?)null;
}
}
public void AddOneEdge()
{
AdjacencyGraph g = new AdjacencyGraph();
IVertex v = g.AddVertex();
IVertex u = g.AddVertex();
IEdge edge = g.AddEdge(u, v);
this.target = new ReversedEdgeAugmentorAlgorithm(g);
target.AddReversedEdges();
Assert.AreEqual(2, this.target.VisitedGraph.VerticesCount);
Assert.AreEqual(2, this.target.VisitedGraph.EdgesCount);
CollectionAssert.AreCountEqual(1, this.target.AugmentedEdges);
VerifyReversedEdges();
IEdge reversedEdge = this.target.ReversedEdges[edge];
Assert.IsNotNull(reversedEdge);
Assert.IsTrue(this.target.AugmentedEdges.Contains(reversedEdge));
}
public void AddAndCount()
{
this.target.Add(0);
CollectionAssert.AreCountEqual(1, this.target);
}
public void AreCountEqualNull()
{
CollectionAssert.AreCountEqual(null, null);
}
public void AreCountEqual()
{
CollectionAssert.AreCountEqual(4, arr);
}
