blob: 7b7f3dc934455fd8e82ed4a0a608a002c20efe5b [file] [log] [blame]
library HiddenDom1Test;
import 'package:unittest/unittest.dart';
import 'package:unittest/html_config.dart';
import 'dart:html';
// Test that the dart:html API does not leak native jsdom methods:
// onfocus setter.
main() {
useHtmlConfiguration();
test('test1', () {
document.body.children.add(new Element.html(r'''
<div id='div1'>
Hello World!
</div>'''));
Element e = document.query('#div1');
expect(e, isNotNull);
checkNoSuchMethod(() {
confuse(e).onfocus = null;
});
});
}
class Decoy {
void set onfocus(x) {
throw 'dead code';
}
}
confuse(x) => opaqueTrue() ? x : (opaqueTrue() ? new Object() : new Decoy());
/** Returns [:true:], but in a way that confuses the compiler. */
opaqueTrue() => true; // Expand as needed.
checkNoSuchMethod(action()) {
var ex = null;
try {
action();
} catch (e) {
ex = e;
}
if (ex == null)
expect(false, isTrue, reason: 'Action should have thrown exception');
expect(ex, isNoSuchMethodError);
}