The expressions above read these as $const. They are the figures the annual refresh replaces, so they live as data rather than being written into the formulas — which is what makes a year-on-year change a one-line diff instead of an edit to arithmetic.
Constant
Value
statutoryCalendarWeeks
4
Test vectors (7)
Every case is executed against this model on each build, by the Java engine and independently by a JavaScript one. A mismatch of a single cent fails the build, so the page cannot ship advertising a figure the model no longer produces.
Case 1 — M1 four calendar weeks on a five-day week is 20 working days
given daysPerWeek
5
given publicHolidaysInLeave
0
given daysTaken
0
expect calendarWeeks
4
expect workingDaysBase
20
expect daysEntitled
20
Case 2 — M2 a six-day week gets 24, because the unit is weeks and not days
given daysPerWeek
6
given publicHolidaysInLeave
0
given daysTaken
0
expect daysEntitled
24
Case 3 — M3 a three-day week gets 12
given daysPerWeek
3
given publicHolidaysInLeave
0
given daysTaken
0
expect daysEntitled
12
Case 4 — M4 a public holiday inside the leave is not counted, so it adds a day back
given daysPerWeek
5
given publicHolidaysInLeave
1
given daysTaken
0
expect workingDaysBase
20
expect daysEntitled
21
Case 5 — M5 two of them add two
given daysPerWeek
5
given publicHolidaysInLeave
2
given daysTaken
0
expect daysEntitled
22
Case 6 — M6 days already taken come off the remainder
given daysPerWeek
5
given publicHolidaysInLeave
0
given daysTaken
8
expect daysRemaining
12
Case 7 — M7 taking more than the entitlement never goes negative
The whole model as JSON — inputs, outputs, formulas, vectors and sources in one re-runnable document.
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