private static void VerifyReadWrite <T>(int valueLength, T value, Func <ServiceBufferFileStreamWriter, T, int> writeFunc, Func <ServiceBufferFileStreamReader, FileStreamReadResult> readFunc)
{
// Setup: Create a mock file stream wrapper
Common.InMemoryWrapper mockWrapper = new Common.InMemoryWrapper();
try
{
// If:
// ... I write a type T to the writer
using (ServiceBufferFileStreamWriter writer = new ServiceBufferFileStreamWriter(mockWrapper, "abc", 10, 10))
{
int writtenBytes = writeFunc(writer, value);
Assert.Equal(valueLength, writtenBytes);
}
// ... And read the type T back
FileStreamReadResult outValue;
using (ServiceBufferFileStreamReader reader = new ServiceBufferFileStreamReader(mockWrapper, "abc"))
{
outValue = readFunc(reader);
}
// Then:
Assert.Equal(value, outValue.Value.RawObject);
Assert.Equal(valueLength, outValue.TotalLength);
Assert.NotNull(outValue.Value);
}
finally
{
// Cleanup: Close the wrapper
mockWrapper.Close();
}
}
public void BytesNullTest()
{
// Setup: Create a mock file stream wrapper
Common.InMemoryWrapper mockWrapper = new Common.InMemoryWrapper();
// If:
// ... I write null as a string to the writer
using (ServiceBufferFileStreamWriter writer = new ServiceBufferFileStreamWriter(mockWrapper, "abc", 10, 10))
{
// Then:
// ... I should get an argument null exception
Assert.Throws <ArgumentNullException>(() => writer.WriteBytes(null));
}
}
