public TextIO(TextReader input, TextWriter output)
{
_input = input ?? throw new ArgumentNullException(nameof(input));
_output = output ?? throw new ArgumentNullException(nameof(output));
_stringTokenReader = TokenReader.ForStrings(this);
_numberTokenReader = TokenReader.ForNumbers(this);
}
public void ReadTokens_QuantityNeededZero_ThrowsArgumentException()
{
var sut = TokenReader.ForStrings(new TextIO(new StringReader(""), _outputWriter));
Action readTokens = () => sut.ReadTokens("", 0);
readTokens.Should().Throw <ArgumentOutOfRangeException>()
.WithMessage("'quantityNeeded' must be greater than zero.*")
.WithParameterName("quantityNeeded");
}
public void ReadTokens_ReadingValuesHasExpectedPromptsAndResults(
string prompt,
uint tokenCount,
string input,
string expectedOutput,
string[] expectedResult)
{
var sut = TokenReader.ForStrings(new TextIO(new StringReader(input + NewLine), _outputWriter));
var result = sut.ReadTokens(prompt, tokenCount);
var output = _outputWriter.ToString();
using var _ = new AssertionScope();
output.Should().Be(expectedOutput);
result.Select(t => t.String).Should().BeEquivalentTo(expectedResult);
}