---
source: crates/rolldown_testing/src/integration_test.rs
---
# Assets
## main.js
```js
import assert from "assert";
//#region main.js
var x = "value";
(function() {
try {} catch (e) {
var e;
}
assert.strictEqual(e, void 0);
assert.strictEqual(x, void 0);
x = "failed3";
return;
var x;
})();
assert.strictEqual(x, "value");
//#endregion
```