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Expressions: test that deleting or redefining thisLayer and thisComp doesn't reach the next evaluation

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tylerjenningsw
2026-10-27 14:04:10 -04:00
parent ecb8dadde5
commit 2f2ebbdedb
1 changed files with 7 additions and 1 deletions
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crates/expr/src/tests.rs
+7 -1
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@@ -985,6 +985,8 @@ fn shadowing_layer_attribute_names_is_local() {
let f = fx();
assert_close!(f.num("var width = 3;\nwidth * 2", 0.0), 6.0);
assert_close!(f.num("width", 0.0), 20.0, 1e-9);
assert_close!(f.num("function width() { return 4; }\nwidth() * 2", 0.0), 8.0);
assert_close!(f.num("width", 0.0), 20.0, 1e-9);
}
#[test]
@@ -1411,7 +1413,7 @@ fn a_kept_layer_reads_the_project_again() {
#[test]
fn an_expression_cant_change_the_prelude_for_the_next() {
let f = fx();
let read = "[thisComp.layer(1).index, thisLayer.index, thisLayer('transform').property('rotation').value, thisLayer.transform.opacity.value, thisProject.bitsPerChannel, comp(thisComp.name).numLayers]";
let read = "[thisComp.layer(1).index, thisLayer.index, thisLayer('transform').property('rotation').value, thisLayer.transform.opacity.value, thisProject.bitsPerChannel, comp(thisComp.name).numLayers, width]";
let before = f.ev(f.a, ROT, read, 0.5).unwrap();
let attacks = [
"Comp.prototype.layer = function () { return 0; }",
@@ -1425,6 +1427,10 @@ fn an_expression_cant_change_the_prelude_for_the_next() {
"__layer = function () { return null; }",
"__child = function () {}",
"delete __mkProp",
"delete thisLayer",
"delete thisComp",
"delete width",
"Object.defineProperty(globalThis, 'thisComp', { get: function () { return 0; } })",
];
for a in attacks {
let _ = f.ev(f.a, ROT, &format!("try {{ {a} }} catch (e) {{}} 0"), 0.0);