public void ParseThrowsWhenValueDoesNotEndWithDigits()
{
var generator = new Generator <char>(_fixture);
var roadType = generator
.First(
candidate =>
NumberedRoadNumber.RoadTypes.Any(
letter => letter.Equals(candidate)));
var not_a_digit_position = _fixture.Create <int>() % 6;
var all_digits_except_for_one = new char[6];
for (var index = 0; index < 6; index++)
{
if (index == not_a_digit_position)
{
all_digits_except_for_one[index] = generator.First(candidate => !char.IsDigit(candidate));
}
else
{
all_digits_except_for_one[index] = generator.First(char.IsDigit);
}
}
var value =
new string(new [] { roadType }.Concat(all_digits_except_for_one).Concat(new [] { '1' }).ToArray());
Assert.Throws <FormatException>(() => NumberedRoadNumber.Parse(value));
}
private static NumberedRoadNumber[] ReadAllFromResource()
{
using (var stream = Assembly
.GetAssembly(typeof(NumberedRoadNumbers))
.GetManifestResourceStream(typeof(NumberedRoadNumbers), "ident8.txt"))
{
if (stream != null)
{
using (var reader = new StreamReader(stream, Encoding.UTF8))
{
var numbers = new List <NumberedRoadNumber>(5807);
var line = reader.ReadLine();
while (line != null)
{
numbers.Add(NumberedRoadNumber.Parse(line));
line = reader.ReadLine();
}
return(numbers.ToArray());
}
}
return(Array.Empty <NumberedRoadNumber>());
}
}
public void ParseThrowsWhenValueIsNot8CharactersLong()
{
var value =
new Generator <string>(_fixture)
.First(candidate => candidate.Length != 8);
Assert.Throws <FormatException>(() => NumberedRoadNumber.Parse(value));
}
public void ToStringReturnsExpectedResult()
{
var value = _knownValues[new Random().Next(0, _knownValues.Length)];
var sut = NumberedRoadNumber.Parse(value);
var result = sut.ToString();
Assert.Equal(value, result);
}
public void TryParseReturnsExpectedResultWhenValueIsWellFormed()
{
var value = _knownValues[new Random().Next(0, _knownValues.Length)];
var result = NumberedRoadNumber.TryParse(value, out var parsed);
Assert.True(result);
Assert.Equal(value, parsed.ToString());
}
public void TryParseReturnsExpectedResultWhenValueIsNot8CharactersLong()
{
var value =
new Generator <string>(_fixture)
.First(candidate => candidate.Length != 8);
var result = NumberedRoadNumber.TryParse(value, out var parsed);
Assert.False(result);
Assert.Equal(default, parsed);
public void ParseThrowsWhenValueDoesNotStartWithAcceptableRoadType()
{
var value =
new string(new []
{
new Generator <char>(_fixture)
.First(
candidate =>
!NumberedRoadNumber.RoadTypes.Any(letter => letter.Equals(candidate))),
'1', '1', '1', '1', '1', '1', '1'
});
Assert.Throws <FormatException>(() => NumberedRoadNumber.Parse(value));
}
public void ParseThrowsWhenValueDoesNotEndWithDigitThatIsOneOrTwo()
{
var generator = new Generator <char>(_fixture);
var roadType = generator
.First(
candidate =>
NumberedRoadNumber.RoadTypes.Any(
letter => letter.Equals(candidate)));
var all_digits = new char[6];
for (var index = 0; index < 6; index++)
{
all_digits[index] = generator.First(char.IsDigit);
}
var not_one_nor_two = generator
.First(candidate =>
char.IsDigit(candidate) && candidate != '1' && candidate != '2');
var value =
new string(new [] { roadType }.Concat(all_digits).Concat(new [] { not_one_nor_two }).ToArray());
Assert.Throws <FormatException>(() => NumberedRoadNumber.Parse(value));
}
public void ParseReturnsExpectedResultWhenValueIsWellFormed()
{
var value = _knownValues[new Random().Next(0, _knownValues.Length)];
Assert.Equal(value, NumberedRoadNumber.Parse(value).ToString());
}
public void ParseValueCanNotBeNull()
{
Assert.Throws <ArgumentNullException>(() => NumberedRoadNumber.Parse(null));
}
