public void LcPseudoRandomGenerator_Variant1_WritesToStreamWriter()
{
LcPseudoRandomGenerator.Generate(_variant1, _streamWriter);
_streamWriter.Close();
Assert.Equal("2, 64", new String(_memoryResult.ToArray().Select(b => (char)b).ToArray()));
}
public void LcPseudoRandomGenerator_PositiveCase_WritesToStringWriter(LcConstants constants, uint count, string expected)
{
LcPseudoRandomGenerator.Generate(constants, null, _stringWriter, count);
_stringWriter.Close();
Assert.Equal(expected, _stringResult.ToString());
}
public void Execute(object parameter)
{
var mainWindowViewModel = (MainWindowViewModel)parameter;
var input = mainWindowViewModel.InputParametersViewModel;
var output = mainWindowViewModel.OutputViewModel;
var lcParameter = new LcConstants
(
uint.Parse(input.X0),
uint.Parse(input.A),
uint.Parse(input.C),
uint.Parse(input.M)
);
var stringBuilder = new StringBuilder();
var stringWriter = new StringWriter(stringBuilder);
var streamWriter = new StreamWriter(input.FilePath);
var period = LcPseudoRandomGenerator.Generate
(
lcParameter,
streamWriter,
_toConsole ? stringWriter : null,
uint.Parse(input.Count)
);
output.Period = period.ToString();
output.GeneratedSequence = _toConsole ? stringBuilder.ToString() : "";
streamWriter.Close();
}
public void LcPseudoRandomGenerator_Variant1CountLowerThanPeriod_WritesToBothStreamAndStringWriter()
{
LcPseudoRandomGenerator.Generate(_variant1, _streamWriter, _stringWriter, 1);
_streamWriter.Close();
_stringWriter.Close();
Assert.Equal("2", _stringResult.ToString());
Assert.Equal("2, 64", new String(_memoryResult.ToArray().Select(b => (char)b).ToArray()));
}
public void LcPseudoRandomGenerator_PositiveCase_WritesLastNumberToStreamWriter(LcConstants variant, uint expectedPeriod, string expectedLastNumber)
{
var streamWriterMock = new StreamWriterMock(_memoryResult);
var actualPeriod = LcPseudoRandomGenerator.Generate(variant, streamWriterMock);
Assert.Equal(expectedLastNumber, streamWriterMock.LastWriteCall);
Assert.Equal(expectedPeriod, actualPeriod);
}
private byte[] GenerateVector()
{
var byteCount = 2 * U;
var constants = new LcConstants((uint)Environment.TickCount, 16807, 28657, 2147483648);
var stringWriter = new StringWriter();
var vector = LcPseudoRandomGenerator.Generate(constants, null, stringWriter, (uint)byteCount / 4);
var stringNumbers = stringWriter.ToString();
var numbers = stringNumbers.Split(", ").Select(UInt32.Parse).ToArray();
var result = new byte[2 * U];
Buffer.BlockCopy(numbers, 0, result, 0, byteCount);
return(result);
}
