public void GetNextDocumentSize_changing_default_length_when_end_of_stream_was_reached()
{
Stream stream = new MemoryStream();
stream.Write(Encoding.UTF8.GetBytes("000001024"), 0, 9);
stream.Position = stream.Length;
using (JsonStreamMock jsonStream = new JsonStreamMock(stream, Modes.ReadAndWrite, 9))
{
int size = jsonStream.GetNextDocumentSize();
long position = stream.Position;
Assert.AreEqual(0, size);
Assert.AreEqual(stream.Length, position);
}
}
public void GetNextDocumentSize_changing_default_length_value_pass()
{
Stream stream = new MemoryStream();
stream.Write(Encoding.UTF8.GetBytes("000001024"), 0, 9);
stream.Position = 0;
using (JsonStreamMock jsonStream = new JsonStreamMock(stream, Modes.ReadAndWrite, 9))
{
int size = jsonStream.GetNextDocumentSize();
long position = stream.Position;
Assert.AreEqual(1024, size);
Assert.AreEqual(jsonStream.DocumentSizeLengthInBytes, position);
}
}
public void GetNexDocumentSize_when_size_descriptor_is_invalid()
{
Stream stream = new MemoryStream();
stream.Write(Encoding.UTF8.GetBytes("AsWedbUp"), 0, 8);
stream.Position = 0;
using (JsonStreamMock jsonStream = new JsonStreamMock(stream, Modes.ReadAndWrite, 8))
{
InvalidDocumentSizeLengthException exception = Assert.ThrowsException <InvalidDocumentSizeLengthException>(() =>
{
int size = jsonStream.GetNextDocumentSize();
});
Assert.AreEqual(default(int), exception.ExpectedDocumentSizeLength);
Assert.AreEqual(default(int), exception.ReadDocumentSizeLength);
Assert.AreEqual("Error interpreting document size.", exception.Message);
}
}
public void GetNextDocumentSize_changing_default_length_when_cant_read_all_expected_buffer()
{
Stream stream = new MemoryStream();
stream.Write(Encoding.UTF8.GetBytes("000001024"), 0, 9);
stream.Position = 1;
using (JsonStreamMock jsonStream = new JsonStreamMock(stream, Modes.ReadAndWrite, 9))
{
InvalidDocumentSizeLengthException exception = Assert.ThrowsException <InvalidDocumentSizeLengthException>(() =>
{
int size = jsonStream.GetNextDocumentSize();
});
Assert.AreEqual(jsonStream.DocumentSizeLengthInBytes, exception.ExpectedDocumentSizeLength);
Assert.AreNotEqual(exception.ReadDocumentSizeLength, exception.ExpectedDocumentSizeLength);
Assert.IsTrue(exception.ReadDocumentSizeLength < exception.ExpectedDocumentSizeLength);
}
}