private void TestOverlaps(OverlapsInclude overlapsInclude, DateTime now)
{
//current => |****|
//1 => |****|
//2 => |****|
//3 => |**|
//4 => |****|
//5 => |****|
//6 => |***>|
//7 => |<***|
var current = DateTimeRange.Create(now.AddHours(1), now.AddHours(2));
var dateTimeRange1 = DateTimeRange.Create(_mockNow.AddHours(0), _mockNow.AddHours(0.5));
var dateTimeRange2 = DateTimeRange.Create(_mockNow.AddHours(0.5), _mockNow.AddHours(1.5));
var dateTimeRange3 = DateTimeRange.Create(_mockNow.AddHours(1.2), _mockNow.AddHours(1.6));
var dateTimeRange4 = DateTimeRange.Create(_mockNow.AddHours(1.6), _mockNow.AddHours(2.5));
var dateTimeRange5 = DateTimeRange.Create(_mockNow.AddHours(2.5), _mockNow.AddHours(3));
var dateTimeRange6 = DateTimeRange.Create(_mockNow.AddHours(0.5), _mockNow.AddHours(1));
var dateTimeRange7 = DateTimeRange.Create(_mockNow.AddHours(2), _mockNow.AddHours(3));
current.Overlaps(dateTimeRange1, overlapsInclude).ShouldFalse();
current.Overlaps(dateTimeRange2, overlapsInclude).ShouldTrue();
current.Overlaps(dateTimeRange3, overlapsInclude).ShouldTrue();
current.Overlaps(dateTimeRange4, overlapsInclude).ShouldTrue();
current.Overlaps(dateTimeRange5, overlapsInclude).ShouldFalse();
if (overlapsInclude == OverlapsInclude.Begin || overlapsInclude == OverlapsInclude.Both)
{
current.Overlaps(dateTimeRange6, overlapsInclude).ShouldTrue();
}
else
{
current.Overlaps(dateTimeRange6, overlapsInclude).ShouldFalse();
}
if (overlapsInclude == OverlapsInclude.End || overlapsInclude == OverlapsInclude.Both)
{
current.Overlaps(dateTimeRange7, overlapsInclude).ShouldTrue();
}
else
{
current.Overlaps(dateTimeRange7, overlapsInclude).ShouldFalse();
}
}
public static bool Overlaps <TSource>(this TSource dateTimeRange, DateTime begin, DateTime?end, OverlapsInclude overlapsInclude = OverlapsInclude.None) where TSource : IDateTimeRange
{
var endValue = end ?? DateTime.MaxValue;
switch (overlapsInclude)
{
case OverlapsInclude.None:
return(dateTimeRange.Begin < endValue && dateTimeRange.End > begin);
case OverlapsInclude.Begin:
return(dateTimeRange.Begin <= endValue && dateTimeRange.End > begin);
case OverlapsInclude.End:
return(dateTimeRange.Begin < endValue && dateTimeRange.End >= begin);
case OverlapsInclude.Both:
return(dateTimeRange.Begin <= endValue && dateTimeRange.End >= begin);
default:
throw new ArgumentOutOfRangeException(nameof(overlapsInclude), overlapsInclude, null);
}
}
public static bool Overlaps <TSource>(this TSource dateTimeRange, IDateTimeRange another, OverlapsInclude overlapsInclude = OverlapsInclude.None) where TSource : IDateTimeRange
{
return(dateTimeRange.Overlaps(another.Begin, another.End, overlapsInclude));
}
public static IEnumerable <TSource> FilterOverlaps <TSource>(this IEnumerable <TSource> dateTimeRanges,
DateTime begin, DateTime?end, OverlapsInclude overlapsInclude = OverlapsInclude.None) where TSource : IDateTimeRange
{
return(dateTimeRanges.Where(x => x.Overlaps(begin, end)));
}
