public void AccountForEfficiencies_FixedEnd_MultipleDateIntervalEfficiencies_ReturnsCorrectAnswer()
{
// +------------+
// |0| |0| |0|
// Result:
// +------------------+
// |0| |0| |0|
// Arrange
var now = DateTime.Now;
var dateInterval = new DateInterval(now, now.AddDays(5));
var dateIntervalEfficiencies = new List<DateIntervalEfficiency>();
var efficiency1 = new DateIntervalEfficiency(now.AddDays(1), now.AddDays(2), 0);
var efficiency2 = new DateIntervalEfficiency(now.AddDays(3), now.AddDays(4), 0);
var efficiency3 = new DateIntervalEfficiency(now.AddDays(5), now.AddDays(6), 0);
dateIntervalEfficiencies.Add(efficiency1);
dateIntervalEfficiencies.Add(efficiency2);
dateIntervalEfficiencies.Add(efficiency3);
// Act
var newDateInterval = dateInterval.AccountForEfficiencies(dateIntervalEfficiencies, FixedEndPoint.Max);
var correctDateInterval = new DateInterval(dateInterval.Max.Value.Add(-dateInterval.Duration).Add(-efficiency1.Duration).Add(-efficiency2.Duration).Add(-efficiency3.Duration), dateInterval.Max.Value);
// Assert
Assert.AreEqual(correctDateInterval, newDateInterval);
}
public void AccountForEfficiencies_Overlap1()
{
// 300% has higher priority than 200%,
// 50% and 200% have same priority so 50% takes precedence.
// +--------------------------+ Duration: 60 mins
// |-----------200%-----------| Duration: 50 mins
// |--50%--| |-500%-| Duration (1): 30 min, (2): 10min
// Frist we must work out the calendar efficiencies:
// |--50%--| Duration: 30 mins
// |---200%---| Duration: 20 mins
// |-500%-| Duration: 10 mins
// 30 mins at 50% => 15 mins at 100%
// 20 mins at 200% => 40 mins at 100%
// 10 mins at 500% => 50 mins at 100%
// Result:
// 60 - 15 - 40 = 5 mins
// 5 mins at 100% is equivalend to 5/5 = 1 min at 500%
// Total duration is: 30 + 20 + 1 = 51 mins
// Arrange
DateTime end = start.AddMinutes(60);
var dateInterval = new DateInterval(start, end);
var efficiency1 = new DateIntervalEfficiency(new DateInterval(start, start.AddMinutes(30)), 50);
var efficiency2 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(30), start.AddMinutes(50)), 200);
var efficiency3 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(50), start.AddMinutes(60)), 500, 1);
dateIntervalEfficiencies.Add(efficiency1);
dateIntervalEfficiencies.Add(efficiency2);
dateIntervalEfficiencies.Add(efficiency3);
// Act
var newDateInterval = dateInterval.AccountForEfficiencies(dateIntervalEfficiencies);
// Assert
var result = new DateInterval(start, start.AddMinutes(51));
Assert.AreEqual(result, newDateInterval);
}
public void AccountForEfficiencies_FixedEnd_NoOverlap_ThreeIntervals4()
{
// NOTE: This test if with Max end point fixed
//
// +----------------------+ Duration: 70 mins
// |----------| Duration: 30 mins at 30%
// |-----| Duration: 15 mins at 200%
// |-| Duration: 5 mins at 50%
// The first section is not affected by a calendar period (i.e. 70 - 30 - 15 - 5 = 20)
// So only 70 - 20 = 50 mins are affected by calendar periods.
// Details:
// 30 mins at 30% => 9 min at 100%
// 15 mins at 200% => 30 min at 100%
// 5 mins at 50% => 2.5 min at 100%
// 50 - 9 - 30 - 2.5 = 8.5 mins
// So the 50 mins affected by the calendar period will last 30 + 15 + 5 + 8.5 = 58.5 mins
// Total duration 25 + 58.5 = 83.5 mins
// Arrange
DateTime end = start.AddMinutes(70);
var dateInterval = new DateInterval(start, end);
var efficiency1 = new DateIntervalEfficiency(new DateInterval(start, start.AddMinutes(30)), 30);
var efficiency2 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(30), start.AddMinutes(45)), 200);
var efficiency3 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(45), start.AddMinutes(50)), 50);
dateIntervalEfficiencies.Add(efficiency1);
dateIntervalEfficiencies.Add(efficiency2);
dateIntervalEfficiencies.Add(efficiency3);
// Act
var newDateInterval = dateInterval.AccountForEfficiencies(dateIntervalEfficiencies, FixedEndPoint.Max);
// Assert
var result = new DateInterval(end.AddMinutes(-83.5), end);
Assert.AreEqual(result, newDateInterval);
}
public void AccountForEfficiencies_NoOverlap_OneInterval()
{
// +--------------------------------+ Duration: 60 mins
// |--------| Duration: 30 mins at 20%
//
// Result
// |----------------| Duration: 75 mins
// Arrange
DateTime end = start.AddMinutes(60);
var dateInterval = new DateInterval(start, end);
var efficiency1 = new DateIntervalEfficiency(new DateInterval(start, start.AddMinutes(30)), 20); // 30 mins at 20%
dateIntervalEfficiencies.Add(efficiency1);
// Act
var newDateInterval = dateInterval.AccountForEfficiencies(dateIntervalEfficiencies);
// Assert
var result = new DateInterval(start, start.AddMinutes(75)); // Duration: 75 mins
Assert.AreEqual(result, newDateInterval);
}
public void AccountForEfficiencies_OneZeroEfficiencyCalendarStartWithDateInterval_ReturnsCorrectDateInterval()
{
// +-----------+
// |-----0-----|
// Result:
// +-----------------------+
// |-----0-----|
// Arrange
var now = DateTime.Now;
var dateInterval = new DateInterval(now, now.AddDays(1));
var dateIntervalEfficiencies = new List<DateIntervalEfficiency>();
var efficiency1 = new DateIntervalEfficiency( dateInterval, 0 );
dateIntervalEfficiencies.Add(efficiency1);
// Act
var newDateInterval = dateInterval.AccountForEfficiencies(dateIntervalEfficiencies);
var correctDateInterval = new DateInterval( dateInterval.Min.Value, efficiency1.Max.Value.Add(dateInterval.Duration) );
// Assert
Assert.AreEqual(correctDateInterval, newDateInterval);
}
public void AccountForEfficiencies_FixedEnd_OneZeroEfficiencyCalendarStartsInAndEndsAfterDateInterval_ReturnsCorrectResult()
{
// +-----------+
// |--0--|
// Result:
// +---------------+
// |--0--|
// Arrange
var now = DateTime.Now;
var dateInterval = new DateInterval(now, now.AddDays(4));
var dateIntervalEfficiencies = new List<DateIntervalEfficiency>();
var efficiency1 = new DateIntervalEfficiency(now.AddDays(3), now.AddDays(5), 0);
dateIntervalEfficiencies.Add(efficiency1);
// Act
var newDateInterval = dateInterval.AccountForEfficiencies(dateIntervalEfficiencies, FixedEndPoint.Max);
var correctDateInterval = new DateInterval(dateInterval.Min.Value.Add( - (dateInterval.Max.Value - efficiency1.Min.Value) ), dateInterval.Max.Value);
// Assert
Assert.AreEqual(correctDateInterval, newDateInterval);
}
public void AccountForEfficiencies_Overlap2()
{
// +--------------------------+ Duration: 80 mins
// |--------200%----| Duration: 50 mins, Priority
// |--50%--| Duration: 30 mins starts at 10
// |-300%-| Duration: 20 mins finishes at 80 mins
// Work out the calendar efficiences
// |--| Duration: 10 mins at 200%
// |--50%--| Duration: 30 mins
// |--200%-| Duration: 10 mins
// |-100%-| Duration: 10 mins
// |-300%-| Duration: 20 mins
// 10 mins at 200% => 20 mins at 100%
// 30 mins at 50% => 15 mins at 100%
// 10 mins at 200% => 20 mins at 100%
// 10 mins at 100% => 10 mins at 100%
// 20 mins at 300% => 60 mins at 100%
// 80 - 20 - 15 - 20 - 10 = 15 mins
// 15 mins at 100% => 5 mins at 300%
// Total duration is: 10 + 30 + 10 + 10 + 5 = 65 mins
// Arrange
DateTime end = start.AddMinutes(80);
var dateInterval = new DateInterval(start, end);
var efficiency1 = new DateIntervalEfficiency(new DateInterval(start, start.AddMinutes(50)), 200);
var efficiency2 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(10), start.AddMinutes(40)), 50);
var efficiency3 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(60), start.AddMinutes(80)), 300);
dateIntervalEfficiencies.Add(efficiency1);
dateIntervalEfficiencies.Add(efficiency2);
dateIntervalEfficiencies.Add(efficiency3);
// Act
var newDateInterval = dateInterval.AccountForEfficiencies(dateIntervalEfficiencies);
// Assert
var result = new DateInterval(start, start.AddMinutes(65));
Assert.AreEqual(result, newDateInterval);
}
public void AccountForEfficiencies_Overlap6()
{
// +--------------------------+ Duration: 100 mins
// |------120%---------| Duration: 45 mins, starts at 10
// |----100%-------| Duration: 35 mins, starts at 15
// |-30%-| Duration: 25 mins, starts at 20
// Work out the calendar efficiences:
// Assumption all the calendar periods have the same efficiency. To the lowest efficiency takes precedence
//|--| Duration: 10 mins
// |-| Duration: 5 mins at 120%
// |-| Duration: 5 mins at 100%
// |-----| Duration: 25 mins at 30%
// |-| Duration: 5 mins at 100%
// |-| Duration: 5 mins at 120%
// |-----| Duration: 45 mins at 100% (which is the default value)
// 10 mins at 100% => 10 mins at 100%
// 5 mins at 120% => 6 mins at 100%
// 5 mins at 100% => 5 mins at 100%
// 25 mins at 30% => 7.5 mins at 100%
// 5 mins at 100% => 5 mins at 100%
// 5 mins at 120% => 6 mins at 100%
// 45 mins at 100% => 45 mins at 100%
// Result:
// 100 - 10 - 6 - 5 - 7.5 - 5 - 6 - 45 = 15.5 mins
// Total duration is: 10 + 5 + 5 + 25 + 5 + 5 + 45 + 15.5 = 115.5 mins
// Arrange
DateTime end = start.AddMinutes(100);
var dateInterval = new DateInterval(start, end);
var efficiency1 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(10), start.AddMinutes(55)), 120);
var efficiency2 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(15), start.AddMinutes(50)), 100);
var efficiency3 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(20), start.AddMinutes(45)), 30);
dateIntervalEfficiencies.Add(efficiency1);
dateIntervalEfficiencies.Add(efficiency2);
dateIntervalEfficiencies.Add(efficiency3);
// Act
var newDateInterval = dateInterval.AccountForEfficiencies(dateIntervalEfficiencies);
// Assert
var result = new DateInterval(start, start.AddMinutes(115.5));
Assert.AreEqual(result, newDateInterval);
}
public void AccountForEfficiencies_Overlap5()
{
//+--------------------------+ Duration: 100 mins
// |------120%---------| Duration: 45 mins, starts at 10 (PRIORITY)
// |----100%-------| Duration: 35 mins, starts at 15
// |-30%-| Duration: 25 mins, starts at 20
// Work out the calendar efficiences:
// If 120% is the priority then it takes precedence over the 100% and the 30% calendar period
// Because 100% and 30% have the same priority, 30% takes precedence (lower efficiency)
// |--| Duration: 10 mins
// |---120%-----------| Duration: 45 mins
// |-100%-| Duration: 45 mins
// 10 mins at 100% => 10 mins at 100%
// 45 mins at 120% => 54 mins at 100%
// 45 mins at 100% => 45 mins at 100%
// Result:
// 100 - 10 - 54 = 36 mins
// Total duration is: 10 + 45 + 36 = 91
// Arrange
DateTime end = start.AddMinutes(100);
var dateInterval = new DateInterval(start, end);
var efficiency1 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(10), start.AddMinutes(55)), 120, 1);
var efficiency2 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(15), start.AddMinutes(50)), 100);
var efficiency3 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(20), start.AddMinutes(45)), 30);
dateIntervalEfficiencies.Add(efficiency1);
dateIntervalEfficiencies.Add(efficiency2);
dateIntervalEfficiencies.Add(efficiency3);
// Act
var newDateInterval = dateInterval.AccountForEfficiencies(dateIntervalEfficiencies);
// Assert
var result = new DateInterval(start, start.AddMinutes(91));
Assert.AreEqual(result, newDateInterval);
}
public void AccountForEfficiencies_NoOverlap_ThreeIntervals2()
{
// +----------------------+ Duration: 80 mins
// |-------| Duration: 20 mins at 10%
// |-------------| Duration: 50 mins at 60%
// |------------| Duration: 40 mins at 150%
// Details:
// 20 mins at 10% => 2 min at 100%
// 50 mins at 60% => 30 min at 100%
// 40 mins at 150% => 60 min at 100%
//
// 80 - 2 - 30 = 48min
// 48 mins at 100% => 32 mins at 150%
//
// Final result: 20 + 50 + 32 = 102 mins
// Arrange
DateTime end = start.AddMinutes(80);
var dateInterval = new DateInterval(start, end);
var efficiency1 = new DateIntervalEfficiency(new DateInterval(start, start.AddMinutes(20)), 10);
var efficiency2 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(20), start.AddMinutes(70)), 60);
var efficiency3 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(70), start.AddMinutes(110)), 150);
dateIntervalEfficiencies.Add(efficiency1);
dateIntervalEfficiencies.Add(efficiency2);
dateIntervalEfficiencies.Add(efficiency3);
// Act
var newDateInterval = dateInterval.AccountForEfficiencies(dateIntervalEfficiencies);
// Assert
var result = new DateInterval(start, start.AddMinutes(102)); // Duration: 102 mins
Assert.AreEqual(result, newDateInterval);
}
public void AccountForEfficiencies_Overlap3()
{
// +--------------------------+ Duration: 55 mins
// |------80%-------| Duration: 30 mins, starts at 15
// |-200%-| Duration: 20 mins starts at 40
//Work out the calendar efficiences
// |--| Duration: 15 mins at 100%
// |----80%-----| Duration: 30 mins
// |--200%-| Duration: 15 mins
// 15 mins at 100% => 15 mins at 100%
// 30 mins at 80% => 24 mins at 100%
// 15 mins at 200% => 30 mins at 100%
// Result:
// 55 - 15 - 24 = 16 mins
// 16 min at 100% is equivalend to 8 mins at 200%
// Total duration is: 15 + 30 + 8 = 53 min
// Arrange
DateTime end = start.AddMinutes(55);
var dateInterval = new DateInterval(start, end);
var efficiency1 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(15), start.AddMinutes(45)), 80, 1);
var efficiency2 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(40), start.AddMinutes(60)), 200);
dateIntervalEfficiencies.Add(efficiency1);
dateIntervalEfficiencies.Add(efficiency2);
// Act
var newDateInterval = dateInterval.AccountForEfficiencies(dateIntervalEfficiencies);
// Assert
var result = new DateInterval(start, start.AddMinutes(53));
Assert.AreEqual(result, newDateInterval);
}
public void AccountForEfficiencies_NoOverlap_ThreeIntervals()
{
// +------------------+ Duration: 70 mins
// |------------------| Duration: 60 mins at 10%
// |---------| Duration: 40 mins at 80%
// |---------| Duration: 80 mins at 200%
//
// Result
// 60 mins at 10% => 6 mins at 100%
// 40 mins at 80% => 32 mins at 100%
// 80 mins at 200% => 160 mins at 100%
//
// 70 - 6 - 32 = 32 mins
// 32 mins at 100% => 16 mins at 200%
//
// Total = 60 + 40 + 16 = 116 mins
// Arrange
DateTime end = start.AddMinutes(70);
var dateInterval = new DateInterval(start, end);
var efficiency1 = new DateIntervalEfficiency(new DateInterval(start, start.AddMinutes(60)), 10);
var efficiency2 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(60), start.AddMinutes(100)), 80);
var efficiency3 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(100), start.AddMinutes(180)), 200);
dateIntervalEfficiencies.Add(efficiency1);
dateIntervalEfficiencies.Add(efficiency2);
dateIntervalEfficiencies.Add(efficiency3);
// Act
var newDateInterval = dateInterval.AccountForEfficiencies(dateIntervalEfficiencies);
// Assert
var result = new DateInterval(start, start.AddMinutes(116));
Assert.AreEqual(result, newDateInterval);
}
public void AccountForEfficiencies_NoOverlap_TwoIntervals2()
{
// +------------------+ Duration: 60 mins
// |--------| Duration: 20 mins at 40%
// |-----| Duration: 10 mins at 150%
//
// Result
// 20 mins at 40% => 8 mins at 100%
// 10 mins at 150% => 1.5 mins at 100%
// 60 - 8 - 1.5 = 50.5
//
// Total = 20 + 10 + 50.5 = 80.5 mins
// Arrange
DateTime end = start.AddMinutes(60);
var dateInterval = new DateInterval(start, end);
var efficiency1 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(30), start.AddMinutes(50)), 40);
var efficiency2 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(50), start.AddMinutes(60)), 150);
dateIntervalEfficiencies.Add(efficiency1);
dateIntervalEfficiencies.Add(efficiency2);
// Act
var newDateInterval = dateInterval.AccountForEfficiencies(dateIntervalEfficiencies);
// Assert
var result = new DateInterval(start, start.AddMinutes(80.5));
Assert.AreEqual(result, newDateInterval);
}
public void AccountForEfficiencies_NoOverlap_TwoIntervals()
{
// +------------------+ Duration: 60 mins
// |--------| Duration: 30 mins at 20%
// |---------| Duration: 30 mins at 150%
//
// Result
// 30 mins at 20% => 6 mins at 100%
// 30 mins at 150% => 45 mins at 100%
// 60 - 6 - 45 = 9 mins
//
// Total = 30 + 30 + 9 = 69 mins
// Arrange
DateTime end = start.AddMinutes(60);
var dateInterval = new DateInterval(start, end);
var efficiency1 = new DateIntervalEfficiency(new DateInterval(start, start.AddMinutes(30)), 20); // 30 mins at 20%
var efficiency2 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(30), start.AddMinutes(60)), 150); // 30 mins at 20%
dateIntervalEfficiencies.Add(efficiency1);
dateIntervalEfficiencies.Add(efficiency2);
// Act
var newDateInterval = dateInterval.AccountForEfficiencies(dateIntervalEfficiencies);
// Assert
var result = new DateInterval(start, start.AddMinutes(69)); // Duration: 69 mins
Assert.AreEqual(result, newDateInterval);
}
public void AccountForEfficiencies_NoOverlap_ThreeIntervals3()
{
// +----------------------+ Duration: 60 mins
// |-------| Duration: 30 mins at 30% (outside)
// |-------| Duration: 25 mins at 200%
// |---| Duration: 15 mins at 50%
// Details:
// 30 mins at 30% => 0 (outside)
// 25 mins at 200% => 50 min at 100%
// 15 mins at 50% => 7.5 min at 100%
// 60 - 50 - 7.5 = 2.5 min
//
// Result: 25 + 15 + 2.5 = 42.5 mins.
// Arrange
DateTime end = start.AddMinutes(60);
var dateInterval = new DateInterval(start, end);
var efficiency1 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(-30), start), 30);
var efficiency2 = new DateIntervalEfficiency(new DateInterval(start, start.AddMinutes(25)), 200);
var efficiency3 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(25), start.AddMinutes(40)), 50);
dateIntervalEfficiencies.Add(efficiency1);
dateIntervalEfficiencies.Add(efficiency2);
dateIntervalEfficiencies.Add(efficiency3);
// Act
var newDateInterval = dateInterval.AccountForEfficiencies(dateIntervalEfficiencies);
// Assert
var result = new DateInterval(start, start.AddMinutes(42.5)); // Duration: 42.5 mins
Assert.AreEqual(result, newDateInterval);
}
public void AccountForEfficiencies_Overlap4()
{
// +---------------------------------+ Duration: 90 mins
// |------90%----------| Duration: 40 mins, starts at 10
// |--30%--| Duration: 15 mins starts at 10
// |-150%-| Duration: 10 mins finishes at 80 mins
// Work out the calendar efficiences
// |--| Duration: 10 mins at 100%
// |--30%--| Duration: 15 mins
// |-----90%----| Duration: 25 mins
// |---| Duration: 20 mins at 100%
// |-150%-| Duration: 10 mins
// |--| Duration: 10 mins at 100%
// 10 mins at 10% => 10 mins at 100%
// 15 mins at 30% => 4.5 mins at 100%
// 25 mins at 90% => 22.5 mins at 100%
// 20 mins at 100% => 20 mins at 100%
// 10 mins at 150% => 15 mins at 100%
// 10 mins at 100% => 10 mins at 100%
// Result:
// 90 - 10 - 4.5 - 22.5 - 20 - 15 - 10 = 8 mins
// Total duration is: 10 + 15 + 25 + 20 + 10 + 10 + 8 = 98 mins
// Arrange
DateTime end = start.AddMinutes(90);
var dateInterval = new DateInterval(start, end);
var efficiency1 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(10), start.AddMinutes(50)), 90);
var efficiency2 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(10), start.AddMinutes(25)), 30, 1);
var efficiency3 = new DateIntervalEfficiency(new DateInterval(start.AddMinutes(70), start.AddMinutes(80)), 150);
dateIntervalEfficiencies.Add(efficiency1);
dateIntervalEfficiencies.Add(efficiency2);
dateIntervalEfficiencies.Add(efficiency3);
// Act
var newDateInterval = dateInterval.AccountForEfficiencies(dateIntervalEfficiencies);
// Assert
var result = new DateInterval(start, start.AddMinutes(98));
Assert.AreEqual(result, newDateInterval);
}
public void AccountForEfficiencies_FixedEnd_OneEfficiencyCalendarStartAndEndWithDateInterval_ReturnsCorrectAnswer()
{
// +-----------+
// |----200----|
// Result:
// +-----+
// |----200----|
// Arrange
var now = DateTime.Now;
var dateInterval = new DateInterval(now, now.AddDays(1));
var dateIntervalEfficiencies = new List<DateIntervalEfficiency>();
var efficiency1 = new DateIntervalEfficiency(dateInterval.Min.Value, dateInterval.Max.Value, 200);
dateIntervalEfficiencies.Add(efficiency1);
// Act
var newDateInterval = dateInterval.AccountForEfficiencies(dateIntervalEfficiencies, FixedEndPoint.Max);
var correctDateInterval = new DateInterval(dateInterval.Min.Value.AddTicks(-dateInterval.Duration.Ticks / 2), dateInterval.Max.Value);
// Assert
Assert.AreEqual(correctDateInterval, newDateInterval);
}
public void AccountForEfficiencies_FixedEnd_OneZeroEfficiencyCalendarStartAndEndWithDateInterval_ReturnsDateIntervalOfSameDurationWhichStartsWhenTheEfficiencyFinishes()
{
// +-----------+
// |-----0-----|
// Result:
// +-----------------------+
// |-----0-----|
// Arrange
var now = DateTime.Now;
var dateInterval = new DateInterval(now, now.AddDays(1));
var dateIntervalEfficiencies = new List<DateIntervalEfficiency>();
var efficiency1 = new DateIntervalEfficiency( dateInterval.Min.Value, dateInterval.Max.Value, 0 );
dateIntervalEfficiencies.Add(efficiency1);
// Act
var newDateInterval = dateInterval.AccountForEfficiencies(dateIntervalEfficiencies, FixedEndPoint.Max);
var correctDateInterval = new DateInterval(dateInterval.Min.Value.Add( - efficiency1.Duration ), dateInterval.Max.Value);
// Assert
Assert.AreEqual(correctDateInterval, newDateInterval);
}