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
annualWorkingDays
26
qualifyingMonths
3
monthsPerYear
12
Test vectors (9)
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 — N1 a full year is 26 working days
given monthsWorked
12
given daysTaken
0
expect daysEntitled
26
expect monthsUntilTakeable
0
Case 2 — N2 six full months accrue half
given monthsWorked
6
given daysTaken
0
expect daysEntitled
13
Case 3 — N3 a twelfth per month, so one month is 2,2 days
given monthsWorked
1
given daysTaken
0
expect daysEntitled
2.2
Case 4 — N4 a part month does not count — 1,9 months is one full month
given monthsWorked
1.9
given daysTaken
0
expect daysEntitled
2.2
Case 5 — N5 at two months the leave has accrued but cannot be taken for another month
given monthsWorked
2
given daysTaken
0
expect daysEntitled
4.3
expect monthsUntilTakeable
1
Case 6 — N6 at three months the waiting period is over
given monthsWorked
3
given daysTaken
0
expect daysEntitled
6.5
expect monthsUntilTakeable
0
Case 7 — N7 no full month earns nothing
given monthsWorked
0
given daysTaken
0
expect daysEntitled
0
Case 8 — N8 days already taken come off the remainder
given monthsWorked
12
given daysTaken
10
expect daysRemaining
16
Case 9 — N9 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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