Files
IronCalc/base/src/test/test_yearfrac_basis.rs
Nicolás Hatcher 18db1cf052 FIX: Two small fixes to YEARFRAC
* Takes abs value in between two dates
* Follows ODFv1.2 part 2 section 4.11.7.7
2025-11-08 22:40:18 +01:00

61 lines
1.6 KiB
Rust

#![allow(clippy::panic)]
use crate::{cell::CellValue, test::util::new_empty_model};
#[test]
fn test_yearfrac_basis_2_actual_360() {
let mut model = new_empty_model();
// Non-leap span of exactly 360 days should result in 1.0
model._set("A1", "=YEARFRAC(44561,44921,2)");
// Leap-year span of 366 days: Jan 1 2020 → Jan 1 2021
model._set("A2", "=YEARFRAC(43831,44197,2)");
// Reverse order should yield negative value
model._set("A3", "=YEARFRAC(44921,44561,2)");
model.evaluate();
// 360/360
assert_eq!(model._get_text("A1"), *"1");
// 366/360 ≈ 1.0166666667 (tolerance 1e-10)
if let Ok(CellValue::Number(v)) = model.get_cell_value_by_ref("Sheet1!A2") {
assert!((v - 1.016_666_666_7).abs() < 1e-10);
} else {
panic!("Expected numeric value in A2");
}
// always positive A1
assert_eq!(model._get_text("A3"), *"1");
}
#[test]
fn test_yearfrac_basis_3_actual_365() {
let mut model = new_empty_model();
// Non-leap span of exactly 365 days should result in 1.0
model._set("B1", "=YEARFRAC(44561,44926,3)");
// Leap-year span of 366 days
model._set("B2", "=YEARFRAC(43831,44197,3)");
// Same date should be 0
model._set("B3", "=YEARFRAC(44561,44561,3)");
model.evaluate();
// 365/365
assert_eq!(model._get_text("B1"), *"1");
// 366/365 ≈ 1.002739726 (tolerance 1e-10)
if let Ok(CellValue::Number(v)) = model.get_cell_value_by_ref("Sheet1!B2") {
assert!((v - 1.002_739_726).abs() < 1e-10);
} else {
panic!("Expected numeric value in B2");
}
// Same date
assert_eq!(model._get_text("B3"), *"0");
}