public void ObservableQueueSerializationTest()
{
// ARRANGE
// =======
// A random generator (we'll test random values to avoid hard-codings)
var r = new Random();
// The data contract serializer we'll use to serialize and deserialize
var dcs = new DataContractSerializer(typeof(ObservableQueue <DummyDataContract>));
// The dummy data
var ddc1 = new DummyDataContract {
RandomValue = r.Next()
};
var ddc2 = new DummyDataContract {
RandomValue = r.Next()
};
var ddc3 = new DummyDataContract {
RandomValue = r.Next()
};
var ddc4 = new DummyDataContract {
RandomValue = r.Next()
};
// The original observable list
using (var l1 = new ObservableQueue <DummyDataContract>
{
ddc1,
ddc2,
ddc3,
ddc4,
})
{
// The deserialized list
ObservableQueue <DummyDataContract> l2;
// The serialization content
string content;
// ACT
// ===
using (var ms = new MemoryStream())
{
dcs.WriteObject(
ms,
l1);
_ = ms.Seek(
0,
SeekOrigin.Begin);
using (var textReader = new StreamReader(
ms,
Encoding.UTF8,
false,
32768,
true))
{
content = textReader.ReadToEnd();
}
_ = ms.Seek(
0,
SeekOrigin.Begin);
l2 = dcs.ReadObject(ms) as ObservableQueue <DummyDataContract>;
}
try
{
// ASSERT
// ======
// Serialization content is OK
Assert.False(string.IsNullOrWhiteSpace(content));
Assert.Equal(
$@"<ObservableDDCQueue xmlns=""http://ns.ixiancorp.com/IX/IX.Observable"" xmlns:i=""http://www.w3.org/2001/XMLSchema-instance"" xmlns:a=""http://schemas.datacontract.org/2004/07/IX.UnitTests.Observable""><Item><a:RandomValue>{ddc1.RandomValue}</a:RandomValue></Item><Item><a:RandomValue>{ddc2.RandomValue}</a:RandomValue></Item><Item><a:RandomValue>{ddc3.RandomValue}</a:RandomValue></Item><Item><a:RandomValue>{ddc4.RandomValue}</a:RandomValue></Item></ObservableDDCQueue>",
content);
// Deserialized object is OK
Assert.NotNull(l2);
Assert.Equal(
l1.Count,
l2.Count);
Assert.True(l1.SequenceEquals(l2));
}
finally
{
l2?.Dispose();
}
}
}