From 754ed2fe842f173c8cf2d5ad3b0905c13243f324 Mon Sep 17 00:00:00 2001 From: tylerjenningsw Date: Sun, 18 Oct 2026 11:54:03 -0400 Subject: [PATCH] Expressions: test that a kept layer reads the project again in each evaluation --- crates/expr/src/tests.rs | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/crates/expr/src/tests.rs b/crates/expr/src/tests.rs index 2634c22ac..586560606 100644 --- a/crates/expr/src/tests.rs +++ b/crates/expr/src/tests.rs @@ -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;