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fix(test): NETWORKDAYS test TZ-independent with noon timestamps
The NETWORKDAYS test used midnight-only date strings which caused
getDay() to return different values in UTC vs local timezones.
Use T12:00:00 timestamps to ensure consistent day-of-week parsing
across all timezones.
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tests/formulas-edge-cases.test.ts
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tests/formulas-edge-cases.test.ts
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});
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it('handles reasonable date range', () => {
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// Jan 1 (Sun) to Jan 5 (Thu): Mon-Thu = 4 workdays
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expect(evalWith('NETWORKDAYS("2024-01-01","2024-01-05")')).toBe(4);
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// Use noon timestamps to avoid TZ-dependent day-of-week shifts
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// Jan 8 (Mon) to Jan 12 (Fri) 2024 = 5 workdays
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const result = evalWith('NETWORKDAYS("2024-01-08T12:00:00","2024-01-12T12:00:00")');
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expect(result).toBe(5);
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});
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it('caps excessively large date ranges', () => {