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INDEX: a huge area number gives #REF! instead of overflowing

This commit is contained in:
webdevtodayjason 2026-10-12 02:25:17 +00:00
parent 3926d21aa9
commit 88cf4cf92d
2 changed files with 17 additions and 1 deletions
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3
crates/calc/src/eval.rs
View File

@ -1152,7 +1152,8 @@ impl<'h> Evaluator<'h> {
}
match src {
Ev::R(areas) => {
let Some(a) = areas.get((area_n - 1).max(0) as usize).copied() else { return err(CellError::Ref) };
let area = usize::try_from((area_n as u64).saturating_sub(1)).ok();
let Some(a) = area.and_then(|i| areas.get(i)).copied() else { return err(CellError::Ref) };
let r = a.range;
// A single row or column with one index picks along it.
let (row, col) = if two_args && r.height() == 1 { (1, row) } else { (row, col) };

15
crates/calc/src/tests.rs
View File

@ -157,6 +157,21 @@ fn index_with_arrays_of_positions() {
assert_eq!(t.num("E7"), 6.0);
}
#[test]
fn index_area_number_overflow() {
let mut t = T::new();
t.set("A1", "7");
t.set("D1", "9");
for (area, expected) in [("1", 7.0), ("2", 9.0)] {
t.set("G5", &format!("=INDEX((A1:B2,D1:E2),1,1,{area})"));
assert_eq!(t.num("G5"), expected, "area {area}");
}
for area in ["3", "1E300", "-1", "-1E300"] {
t.set("G5", &format!("=INDEX((A1:B2,D1:E2),1,1,{area})"));
assert_eq!(t.get("G5"), Value::Error(CellError::Ref), "area {area}");
}
}
#[test]
fn errors_and_cycles() {
let mut t = T::new();