public static void XmlBaseWriter_WriteStartEndElementAsync()
{
string actual;
int byteSize = 1024;
byte[] bytes = GetByteArray(byteSize);
string expect = GetExpectString(bytes, byteSize);
using (var ms = new AsyncMemoryStream())
{
var writer = XmlDictionaryWriter.CreateTextWriter(ms);
writer.WriteStartDocument();
// NOTE: the async method has only one overload that takes 3 params
var t1 = writer.WriteStartElementAsync(null, "data", null);
t1.Wait();
writer.WriteBase64(bytes, 0, byteSize);
var t2 = writer.WriteEndElementAsync();
t2.Wait();
writer.WriteEndDocument();
writer.Flush();
ms.Position = 0;
var sr = new StreamReader(ms);
actual = sr.ReadToEnd();
}
Assert.StrictEqual(expect, actual);
}
public static void XmlBaseWriter_WriteStartEndElementAsync()
{
string actual;
int byteSize = 1024;
byte[] bytes = GetByteArray(byteSize);
string expect = GetExpectString(bytes, byteSize);
using (var ms = new AsyncMemoryStream())
{
var writer = XmlDictionaryWriter.CreateTextWriter(ms);
writer.WriteStartDocument();
// NOTE: the async method has only one overload that takes 3 params
var t1 = writer.WriteStartElementAsync(null, "data", null);
t1.Wait();
writer.WriteBase64(bytes, 0, byteSize);
var t2 = writer.WriteEndElementAsync();
t2.Wait();
writer.WriteEndDocument();
writer.Flush();
ms.Position = 0;
var sr = new StreamReader(ms);
actual = sr.ReadToEnd();
}
Assert.StrictEqual(expect, actual);
}
public static void XmlBaseWriter_FlushAsync()
{
string actual;
int byteSize = 1024;
byte[] bytes = GetByteArray(byteSize);
string expect = GetExpectString(bytes, byteSize);
using (var ms = new AsyncMemoryStream())
{
var writer = XmlDictionaryWriter.CreateTextWriter(ms);
writer.WriteStartDocument();
writer.WriteStartElement("data");
writer.WriteBase64(bytes, 0, byteSize);
writer.WriteEndElement();
writer.WriteEndDocument();
var task = writer.FlushAsync();
task.Wait();
ms.Position = 0;
var sr = new StreamReader(ms);
actual = sr.ReadToEnd();
}
Assert.StrictEqual(expect, actual);
}
public void SmallCanCompressAndDecompressUsingStreamTransformer()
{
var str = "This is a string to compress and uncompress";
var data = Encoding.UTF8.GetBytes(str);
byte[] compData;
using (var cms = new AsyncMemoryStream())
using (var compressed = cms.AddTransformer(_compressor.CompressWriteStream))
{
compressed.WriteAsync(data, 0, data.Length, CancellationToken.None).Wait();
compressed.Complete(CancellationToken.None).Wait();
compData = cms.ToArray();
}
byte[] decData;
using (var reader = new ReadStreamWrapper(new MemoryStream(compData)))
using (var decompressed = reader.AddTransformer(_compressor.DecompressReadStream))
{
decData = decompressed.ReadBytes().Result;
}
var decStr = Encoding.UTF8.GetString(decData, 0, decData.Length);
Assert.AreEqual(str, decStr);
}
public static void XmlBaseWriter_FlushAsync()
{
string actual = null;
int byteSize = 1024;
byte[] bytes = GetByteArray(byteSize);
string expect = GetExpectString(bytes, byteSize);
string lastCompletedOperation = null;
try
{
using (var ms = new AsyncMemoryStream())
{
var writer = XmlDictionaryWriter.CreateTextWriter(ms);
lastCompletedOperation = "XmlDictionaryWriter.CreateTextWriter()";
writer.WriteStartDocument();
lastCompletedOperation = "writer.WriteStartDocument()";
writer.WriteStartElement("data");
lastCompletedOperation = "writer.WriteStartElement()";
writer.WriteBase64(bytes, 0, byteSize);
lastCompletedOperation = "writer.WriteBase64()";
writer.WriteEndElement();
lastCompletedOperation = "writer.WriteEndElement()";
writer.WriteEndDocument();
lastCompletedOperation = "writer.WriteEndDocument()";
var task = writer.FlushAsync();
lastCompletedOperation = "writer.FlushAsync()";
task.Wait();
ms.Position = 0;
var sr = new StreamReader(ms);
actual = sr.ReadToEnd();
}
}
catch (Exception e)
{
var sb = new StringBuilder();
sb.AppendLine($"An error occurred: {e.Message}");
sb.AppendLine(e.StackTrace);
sb.AppendLine();
sb.AppendLine($"The last completed operation before the exception was: {lastCompletedOperation}");
Assert.True(false, sb.ToString());
}
Assert.Equal(expect, actual);
}
public static void XmlBaseWriter_FlushAsync()
{
string actual = null;
int byteSize = 1024;
byte[] bytes = GetByteArray(byteSize);
string expect = GetExpectString(bytes, byteSize);
string lastCompletedOperation = null;
try
{
using (var ms = new AsyncMemoryStream())
{
var writer = XmlDictionaryWriter.CreateTextWriter(ms);
lastCompletedOperation = "XmlDictionaryWriter.CreateTextWriter()";
writer.WriteStartDocument();
lastCompletedOperation = "writer.WriteStartDocument()";
writer.WriteStartElement("data");
lastCompletedOperation = "writer.WriteStartElement()";
writer.WriteBase64(bytes, 0, byteSize);
lastCompletedOperation = "writer.WriteBase64()";
writer.WriteEndElement();
lastCompletedOperation = "writer.WriteEndElement()";
writer.WriteEndDocument();
lastCompletedOperation = "writer.WriteEndDocument()";
var task = writer.FlushAsync();
lastCompletedOperation = "writer.FlushAsync()";
task.Wait();
ms.Position = 0;
var sr = new StreamReader(ms);
actual = sr.ReadToEnd();
}
}
catch(Exception e)
{
var sb = new StringBuilder();
sb.AppendLine($"An error occured: {e.Message}");
sb.AppendLine(e.StackTrace);
sb.AppendLine();
sb.AppendLine($"The last completed operation before the exception was: {lastCompletedOperation}");
Assert.True(false, sb.ToString());
}
Assert.StrictEqual(expect, actual);
}
public static void XmlBaseWriter_WriteBase64Async()
{
string actual;
int byteSize = 1024;
byte[] bytes = GetByteArray(byteSize);
string expect = GetExpectString(bytes, byteSize);
using (var ms = new AsyncMemoryStream())
{
var writer = XmlDictionaryWriter.CreateTextWriter(ms);
writer.WriteStartDocument();
writer.WriteStartElement("data");
var task = writer.WriteBase64Async(bytes, 0, byteSize);
task.Wait();
writer.WriteEndElement();
writer.WriteEndDocument();
writer.Flush();
ms.Position = 0;
var sr = new StreamReader(ms);
actual = sr.ReadToEnd();
}
Assert.StrictEqual(expect, actual);
}
public void LargeCanCompressAndDecompressUsingStreamTransformer()
{
var data = RandomData(1);
byte[] compData;
using (var cms = new AsyncMemoryStream())
using (var compressed = cms.AddTransformer(_compressor.CompressWriteStream))
{
compressed.WriteAsync(data, 0, data.Length, CancellationToken.None).Wait();
compressed.Complete(CancellationToken.None).Wait();
compData = cms.ToArray();
}
byte[] newData;
using (var reader = new ReadStreamWrapper(new MemoryStream(compData)))
using (var decompressed = reader.AddTransformer(_compressor.DecompressReadStream))
{
newData = decompressed.ReadBytes().Result;
}
Assert.IsTrue(data.SequenceEqual(newData));
}
