public void TestDedupFirst()
{
AllEqual[] set = new[] { new AllEqual(), new AllEqual(), new AllEqual() };
List <AllEqual> arr = new List <AllEqual>(
OrderedEnumeration <AllEqual> .WithDuplicateHandling(
set, Comparer <AllEqual> .Default, DuplicateHandling.FirstValueWins));
Assert.AreEqual(1, arr.Count);
Assert.IsTrue(ReferenceEquals(set[0], arr[0]));
arr = new List <AllEqual>(
OrderedEnumeration <AllEqual> .WithDuplicateHandling(
set, Comparer <AllEqual> .Default, DuplicateHandling.LastValueWins));
Assert.AreEqual(1, arr.Count);
Assert.IsTrue(ReferenceEquals(set[2], arr[0]));
arr = new List <AllEqual>(
OrderedEnumeration <AllEqual> .WithDuplicateHandling(
set, Comparer <AllEqual> .Default, DuplicateHandling.None));
Assert.AreEqual(3, arr.Count);
Assert.IsTrue(ReferenceEquals(set[0], arr[0]));
Assert.IsTrue(ReferenceEquals(set[1], arr[1]));
Assert.IsTrue(ReferenceEquals(set[2], arr[2]));
try
{
new List <AllEqual>(
OrderedEnumeration <AllEqual> .WithDuplicateHandling(
set, Comparer <AllEqual> .Default, DuplicateHandling.RaisesException));
Assert.Fail();
}
catch (ArgumentException) { }
}
public void TestOrderedEnumPaginatedCleanup()
{
byte[] input = new byte[512];
new Random().NextBytes(input);
var ordered = new OrderedEnumeration <byte>(input);
ordered.Serializer = PrimitiveSerializer.Byte;
ordered.InMemoryLimit = 10;
ordered.DuplicateHandling = DuplicateHandling.FirstValueWins;
using (var e = ordered.GetEnumerator())
Assert.IsTrue(e.MoveNext());
}
public void TestEnumTwiceFails()
{
var ordered = new OrderedEnumeration <byte>(new byte[0]);
using (var e = ordered.GetEnumerator())
Assert.IsFalse(e.MoveNext());
try
{
((System.Collections.IEnumerable)ordered).GetEnumerator();
Assert.Fail();
}
catch (InvalidOperationException) { }
}
public void TestOrderedEnumProperties()
{
var ordered = new OrderedEnumeration <byte>(Comparer <byte> .Default, FailBeforeYield <byte>(true));
Assert.IsTrue(ReferenceEquals(Comparer <byte> .Default, ordered.Comparer));
ordered.Comparer = new ReverseOrder <byte>(ordered.Comparer);
Assert.IsTrue(ordered.Comparer is ReverseOrder <byte>);
Assert.IsNull(ordered.Serializer);
ordered.Serializer = PrimitiveSerializer.Byte;
Assert.IsTrue(ReferenceEquals(ordered.Serializer, PrimitiveSerializer.Byte));
Assert.AreEqual(0x10000, ordered.InMemoryLimit);
Assert.AreEqual(10, ordered.InMemoryLimit = 10);
Assert.AreEqual(DuplicateHandling.None, ordered.DuplicateHandling);
Assert.AreEqual(DuplicateHandling.FirstValueWins,
ordered.DuplicateHandling = DuplicateHandling.FirstValueWins);
}
public void TestOrderedEnumDedup()
{
byte[] input = new byte[512];
new Random().NextBytes(input);
var ordered = new OrderedEnumeration <byte>(input);
ordered.InMemoryLimit = 10;
ordered.DuplicateHandling = DuplicateHandling.FirstValueWins;
int last = -1, count = 0;
byte[] test = new List <byte>(ordered).ToArray();
foreach (byte b in test)
{
count++;
Assert.IsTrue(last < b);
last = b;
}
Assert.IsTrue(count <= 256);
}
public void TestMergeEnumerations()
{
char[] x = "aeiou".ToCharArray();
char[] y = "bcdfg".ToCharArray();
char[] z = "ez".ToCharArray();
var order = OrderedEnumeration <char> .Merge(x, y, z);
Assert.AreEqual("abcdeefgiouz", new string(new List <char>(order).ToArray()));
order = OrderedEnumeration <char> .Merge(Comparer <char> .Default, DuplicateHandling.LastValueWins, x, y, z);
Assert.AreEqual("abcdefgiouz", new string(new List <char>(order).ToArray()));
order = OrderedEnumeration <char> .Merge(Comparer <char> .Default, x, y);
order = OrderedEnumeration <char> .WithDuplicateHandling(order, Comparer <char> .Default,
DuplicateHandling.FirstValueWins);
Assert.AreEqual("abcdefgiou", new string(new List <char>(order).ToArray()));
}
public void TestEnumInvalid()
{
var order = new OrderedEnumeration <byte>(new byte[1]);
System.Collections.IEnumerator e = ((System.Collections.IEnumerable)order).GetEnumerator();
Assert.IsTrue(e.MoveNext());
Assert.IsFalse(e.MoveNext());
try
{
object val = e.Current;
GC.KeepAlive(val);
Assert.Fail();
}
catch (InvalidOperationException) { }
try
{
e.Reset();
Assert.Fail();
}
catch (NotSupportedException) { }
}
public void TestUnorderedAssertion()
{
new List <int>(OrderedEnumeration <int> .WithDuplicateHandling(
new [] { 2, 1 }, Comparer <int> .Default, DuplicateHandling.RaisesException));
}