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Expressions: test that a kept layer reads the project again in each evaluation

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tylerjenningsw
2026-10-27 14:04:09 -04:00
parent 7c0ba4ef1d
commit 754ed2fe84
1 changed files with 15 additions and 0 deletions
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crates/expr/src/tests.rs
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@@ -1387,4 +1387,19 @@ fn layers_are_callable_property_groups() {
assert!(f.err("thisLayer(\"nope\")").contains("no property"), "{}", f.err("thisLayer(\"nope\")"));
}
/// A layer is kept from one evaluation to the next (it is dear to make) but reads the project
/// afresh in each, and an expression's own fields on it don't reach the next one.
#[test]
fn a_kept_layer_reads_the_project_again() {
let mut f = fx();
let first = "thisComp.layer(\"B\").index * 10 + thisComp.layer(2).name.length";
assert_close!(f.num(first, 0.0), 21.0);
f.layer_mut(f.b).name = "Bee".into();
f.p.comp_mut(f.cid).unwrap().layers.swap(0, 1);
assert_close!(f.num("thisComp.layer(\"Bee\").index * 10 + thisComp.layer(2).name.length", 0.0), 11.0);
assert_close!(f.num("thisLayer.index", 0.0), 2.0);
let _ = f.ev(f.a, ROT, "thisLayer.mine = 5; 0", 0.0);
assert_close!(f.num("thisLayer.mine === undefined ? 1 : 0", 0.0), 1.0);
}
mod property_group;