public void TryParseTests()
{
// Testing object factory
Assert.IsTrue(PeriodicMonthMatcher.TryParse("1..4/2", out var obj));
Assert.IsNotNull(obj);
Assert.AreEqual(1, obj.Left);
Assert.AreEqual(4, obj.Right);
Assert.AreEqual(2, obj.Period);
Assert.IsTrue(PeriodicMonthMatcher.TryParse("1../3", out obj));
Assert.IsNotNull(obj);
Assert.AreEqual(1, obj.Left);
Assert.AreEqual(12, obj.Right);
Assert.AreEqual(3, obj.Period);
}
/// <summary>
/// Parse a month match expression.
/// <example>
/// Valid expression are:
/// * => Every month
/// 11 => Only for november
/// ..11 => Every month until november
/// 2.. => Every month starting from february
/// 2..11 => Every month between february and november
/// 1..7/2 => Starting from january every 2 years until july
/// 3../2 => Starting from march every 2 months
/// 1..7%2 => Every month which reminder modulo 2 is zero between january and july
/// 2..%3 => Starting from february every month which reminder modulo 3 is zero
/// </example>
/// </summary>
public override bool TryParse(string value, out IMonthMatcher monthMatcher)
{
if (RangeMonthMatcher.TryParse(value, out var rangeMonthMatcher))
{
monthMatcher = rangeMonthMatcher;
return(true);
}
if (ModuloMonthMatcher.TryParse(value, out var moduloMonthMatcher))
{
monthMatcher = moduloMonthMatcher;
return(true);
}
if (PeriodicMonthMatcher.TryParse(value, out var periodicMonthMatcher))
{
monthMatcher = periodicMonthMatcher;
return(true);
}
monthMatcher = default;
return(false);
}
