public void Randomizer_Should_Initialize()
{
var target = new Randomizer();
Assert.IsNotNull(target);
target.Should ().NotBeNull ();
target.Should ().BeOfType<Randomizer> ();
}
public void IntensiveEditingSession()
{
var table = PieceTable.ForArray(new int[0]);
const int iterations = 10*1000;
const int insertionsPerIteration = 30;
const int deletionsPerIteration = 2;
var random = new Randomizer(42);
var totalTime = BenchmarkIterations(iterations, delegate
{
var insertionPoint = random.Next(table.Length);
for (var i = 0; i < insertionsPerIteration; ++i)
table = table.Insert(insertionPoint + i, i);
var readPosition = random.Next(table.Length);
table.ToArray(readPosition, Math.Min(table.Length - readPosition, insertionsPerIteration));
for (var i = 0; i < deletionsPerIteration; ++i)
table = table.Delete(random.Next(table.Length), 1);
});
const int totalNumberOfOperations = iterations*(insertionsPerIteration + deletionsPerIteration);
ReportTotalNumberOfOperations(totalTime, totalNumberOfOperations);
Assert.AreEqual(iterations*insertionsPerIteration - iterations*deletionsPerIteration, table.Length);
}
public void Setup()
{
var rnd = new Randomizer();
_instance = new DcmIntegerString(DicomTags.ReferencedFrameNumber);
_instance.SetValues(
rnd.GetInts(0, 65535, 5000).Select(i => i.ToString(CultureInfo.InvariantCulture)).
Concat(new[] { "32767" }).ToArray());
}
public void Randomizer_Should_Initialize_And_Dispose()
{
using (var target = new Randomizer())
{
target.Should ().NotBeNull ();
target.Should ().BeOfType<Randomizer> ();
}
}
public void Create_an_SSN()
{
var ssn = new Randomizer().Replace("###-##-####");
ssn.Dump();
var code = new Randomizer().Replace("##? ??? ####");
code.Dump();
}
public void WhenFillingTheFieldsWithValidData()
{
Random randomizer = new Randomizer();
WebBrowser.Current.TextField("Name").Value = "name";
WebBrowser.Current.TextField("Email").Value = randomizer.Next().ToString(CultureInfo.InvariantCulture) + "@test.com";
WebBrowser.Current.TextField("Password").Value = "abcdefghijk";
WebBrowser.Current.TextField("PasswordConfirmation").Value = "abcdefghijk";
}
/// <summary>
/// Get a randomizer for a particular member, returning
/// one that has already been created if it exists.
/// This ensures that the same values are generated
/// each time the tests are reloaded.
/// </summary>
public static Randomizer GetRandomizer(MemberInfo member)
{
Randomizer r = (Randomizer)randomizers[member];
if ( r == null )
randomizers[member] = r = new Randomizer();
return r;
}
public void TestRangeSelection()
{
Randomizer randomizer = new Randomizer();
int[] indices = randomizer.GetInts(0, this.selectionModel.Items.Count, 2);
Array.Sort(indices);
this.selectionModel.SelectRange(indices[0], indices[1]);
AssertRangeSelected(indices);
}
public void Randomizer_Should_Return_Random_Entries_From_A_Collection()
{
var values = new List<string>();
for (int i = 0; i < 99; i++)
values.Add("UserNo" + i);
using (var randomizer = new Randomizer())
{
var firstValue = randomizer.Random(values);
var secondValue = randomizer.Random(values);
// Assert that in the list of 100 values, two randomly choses will not be the same
// Statitically, this is a rubbish test; there is always a slight probability the
// two values are the same
Assert.AreNotEqual(firstValue, secondValue);
}
}
public void SequentialAccessAfterManyDeletions()
{
const int numberOfDeletions = 100;
const int numberOfCharacters = 500;
const int iterations = 10 * 1000;
var randomizer = new Randomizer(42);
var table = PieceTable.ForString(new string(' ', 5 * 1024));
for (var i = 0; i < numberOfDeletions; ++i)
table = table.Delete(randomizer.Next(table.Length), 1);
Console.WriteLine("** CopyTo iteration **");
var buffer = new char[1];
var totalWithout = BenchmarkIterations(iterations, delegate
{
var position = randomizer.Next(table.Length - numberOfCharacters * 2) + numberOfCharacters;
for (var i = 0; i < numberOfCharacters; ++i)
table.CopyTo(buffer, 0, position + i, 1);
for (var i = 0; i < numberOfCharacters; ++i)
table.CopyTo(buffer, 0, position - i, 1);
});
const int totalNumberOfOperations = iterations*numberOfCharacters;
ReportTotalNumberOfOperations(totalWithout, totalNumberOfOperations);
Console.WriteLine("** Point iteration **");
var totalWith = BenchmarkIterations(iterations, delegate
{
var position = randomizer.Next(table.Length - numberOfCharacters * 2) + numberOfCharacters;
var pivot = table[position];
var current = pivot;
for (var i = 0; i < numberOfCharacters; ++i)
{
current.GetValue();
current = current.Next;
}
current = pivot;
for (var i = 0; i < numberOfCharacters; ++i)
{
current.GetValue();
current = current.Previous;
}
});
ReportTotalNumberOfOperations(totalWith, totalNumberOfOperations);
}
public void Benchmark()
{
SetText("");
const int iterations = 500;
const int insertionsPerIteration = 30;
const int deletionsPerIteration = 2;
var totalTime = 0L;
var worst = 0L;
var random = new Randomizer(42);
for (var i = 0; i < iterations; ++i)
{
var watch = Stopwatch.StartNew();
var insertionPoint = random.Next(Buffer.CurrentSnapshot.Length);
for (var j = 0; j < insertionsPerIteration; ++j)
Buffer.Insert(insertionPoint + j, " ");
var length = Buffer.CurrentSnapshot.Length;
var readPosition = random.Next(length);
Buffer.CurrentSnapshot.GetText(readPosition, Math.Min(length - readPosition, insertionsPerIteration));
for (var j = 0; j < deletionsPerIteration; ++j)
Buffer.Delete(random.Next(Buffer.CurrentSnapshot.Length), 1);
watch.Stop();
var iterationTime = watch.ElapsedMilliseconds;
if (worst < iterationTime)
worst = iterationTime;
totalTime += iterationTime;
}
Console.WriteLine("Worst iteration time: {0}ms.", worst);
Console.WriteLine("Average iteration time: {0}ms.", totalTime / (float)iterations);
const int totalNumberOfOperations = iterations * (insertionsPerIteration + deletionsPerIteration);
Console.WriteLine("{0} operations in {1}ms or {2} operations/sec.", totalNumberOfOperations, totalTime, totalNumberOfOperations / (totalTime / 1000.0));
Assert.AreEqual(iterations * insertionsPerIteration - iterations * deletionsPerIteration, Buffer.CurrentSnapshot.Length);
}
public void Randomizer_Should_Give_Different_Results_Each_Time_Initialized()
{
// Arrange
var values = new List<string>();
for (int i = 0; i < 99; i++)
values.Add("UserNo" + i);
string firstValue = string.Empty, secondValue = string.Empty;
// Act - initialize two Randomizer instances and fetch a random value
using (var randomizer = new Randomizer()) {
firstValue = randomizer.Random(values);
}
using (var randomizer = new Randomizer()) {
secondValue = randomizer.Random(values);
}
// Assert - that in the list of lots of values, two randomly choses will not be the same
// Statitically, this is a rubbish test; there is always a slight probability the
// two values are the same
firstValue.Should().NotBe(secondValue, "multiple randomizers should give different results");
}
public void TestRandomCrypto()
{
Console.WriteLine();
var bytes = new byte[512];
var serverRandom = new byte[14];
var randomizerSeed = Randomizer.RandomSeed;
m_Randomizer = new Randomizer(randomizerSeed);
var seed = m_Randomizer.Next();
m_Randomizer.NextBytes(serverRandom);
m_Crypto.UpdateCiphers((ulong)seed, serverRandom);
m_Crypto.Encrypt(bytes);
Console.WriteLine("Randomizer Seed: {0}", randomizerSeed);
Console.WriteLine("Seed: {0}", seed);
Console.WriteLine("ServerRandom Dump");
Console.WriteLine("-----------------");
TestUtils.Print(serverRandom);
Console.WriteLine();
Console.WriteLine("RandomCrypto Dump");
Console.WriteLine("-----------------");
TestUtils.Print(bytes);
}
protected override ulong GetNext(Randomizer randomizer, ulong min, ulong max)
{
return(randomizer.NextULong(min, max));
}
protected override Guid GetNext(Randomizer randomizer)
{
return(randomizer.NextGuid());
}
public void BeforeRunningTestSession()
{
r = new Randomizer();
}
public void should_not_cause_channel_exception()
{
var countdown = new CountdownEvent(10000);
var random = new Randomizer();
IBus producer = this.StartBus(
"producer",
cfg => cfg.Route("request").
WithDefaultCallbackEndpoint());
this.StartBus(
"consumer",
cfg => cfg.On<DummyRequest>("request").
ReactWith(
(m, ctx) => Task.Factory.StartNew(
() =>
{
Thread.Sleep(random.Next(10));
ctx.Accept();
ctx.Reply(new DummyResponse(m.Num));
countdown.Signal();
})).
RequiresAccept());
Enumerable.Range(0, 10000).
ForEach(i => producer.RequestAsync<DummyRequest, DummyResponse>("request", new DummyRequest(i)));
countdown.Wait(40.Seconds()).
Should().
BeTrue();
}
protected abstract T GetNext(Randomizer randomizer);
protected override float GetNext(Randomizer randomizer, float min, float max)
{
return(randomizer.NextFloat(min, max));
}
protected override float GetNext(Randomizer randomizer)
{
return(randomizer.NextFloat());
}
protected override double GetNext(Randomizer randomizer, double min, double max)
{
return(randomizer.NextDouble(min, max));
}
protected override double GetNext(Randomizer randomizer)
{
return(randomizer.NextDouble());
}
protected override ushort GetNext(Randomizer randomizer, ushort min, ushort max)
{
return(randomizer.NextUShort(min, max));
}
protected override ushort GetNext(Randomizer randomizer)
{
return(randomizer.NextUShort());
}
public void OnNodeAddedToMap()
{
//Arrange
var randomizer = new Randomizer();
var x = randomizer.Next(-100, 100);
var y = randomizer.Next(-100, 100);
var point = new Point(x, y);
var node = new NodeModel { NodeId = Guid.NewGuid(), Name = "SomeNode" };
var args = new MapNodeEventArgs {NodeId = node.NodeId, Position = point };
//Act
_form.OnNodeAddedToMap(null, args);
//Assert
_mockNodeList.Verify(l => l.RemoveNode(node.NodeId));
_mockPresenter.Verify(p => p.NodeAddedToMap(node.NodeId, x, y));
}
public void OnNodeMove()
{
//Arrange
var randomizer = new Randomizer();
var x = randomizer.Next(-100, 100);
var y = randomizer.Next(-100, 100);
var point = new Point(x, y);
var args = new MapNodeEventArgs {NodeId = Guid.NewGuid(), Position = point};
//Act
_form.OnNodeMoved(null,args);
//Assert
_mockPresenter.Verify(p => p.NodeMovedOnMap(args.NodeId, x, y));
}
protected override sbyte GetNext(Randomizer randomizer)
{
return(randomizer.NextSByte());
}
protected abstract T GetNext(Randomizer randomizer, T min, T max);
public void TestSelectAllThenRange()
{
Randomizer randomizer = new Randomizer();
int[] indices = randomizer.GetInts(0, this.selectionModel.Items.Count, 2);
Array.Sort(indices);
this.selectionModel.Select(this.selectionModel.Items[indices[0]]);
this.selectionModel.SelectAll();
this.selectionModel.SelectRange(indices[1], true);
this.AssertRangeSelected(indices);
}
public void should_open_single_connection()
{
var random = new Randomizer();
IBus bus = this.ConfigureBus("Test", cfg => cfg.Route("some.label"));
bus.Start();
Task[] tasks = Enumerable.Range(0, 20).Select(
_ =>
{
Thread.Sleep(random.Next(10));
if (random.Next(10) % 2 == 0)
{
return Task.Factory.StartNew(() => bus.Start());
}
return Task.Factory.StartNew(bus.Stop);
}).ToArray();
Task.WaitAll(tasks, 15.Seconds()).Should().BeTrue();
}
protected override decimal GetNext(Randomizer randomizer)
{
return(randomizer.NextDecimal());
}
protected override decimal GetNext(Randomizer randomizer, decimal min, decimal max)
{
return(randomizer.NextDecimal(min, max));
}
protected override uint GetNext(Randomizer randomizer, uint min, uint max)
{
return(randomizer.NextUInt(min, max));
}
public void Without_Fluent_Syntax()
{
var random = new Randomizer();
var lorem = new Lorem();
var o = new Order()
{
OrderId = random.Number(1, 100),
Item = lorem.Sentence(),
Quantity = random.Number(1, 10)
};
o.Dump();
}
public void WhenFillingTheFieldsWithUnknownUser()
{
Random randomizer = new Randomizer();
WebBrowser.Current.TextField("Email").Value = randomizer.Next().ToString(CultureInfo.InvariantCulture) + "@test.com";
WebBrowser.Current.TextField("Password").Value = "abcdefghijk";
}
protected override Guid GetNext(Randomizer randomizer, Guid min, Guid max)
{
throw new NotSupportedException($"{typeof(Guid)} does not support range of parameters being specified.");
}
protected override uint GetNext(Randomizer randomizer)
{
return(randomizer.NextUInt());
}
protected override sbyte GetNext(Randomizer randomizer, sbyte min, sbyte max)
{
return(randomizer.NextSByte(min, max));
}
protected override ulong GetNext(Randomizer randomizer)
{
return(randomizer.NextULong());
}
