blob: 5931cc840a747432b32d987e33546d3882601e2c [file] [log] [blame]
library NativeGCTest;
import 'package:unittest/unittest.dart';
import 'package:unittest/html_config.dart';
import 'dart:html';
var testEvent = new EventStreamProvider<Event>('test');
main() {
useHtmlConfiguration();
test('EventListener', () {
final int N = 1000000;
final int M = 1000;
var div;
for (int i = 0; i < M; ++i) {
// This memory should be freed when the listener below is
// collected.
List l = new List(N);
// Record the iteration number.
l[N - 1] = i;
div = new Element.tag('div');
testEvent.forTarget(div).listen((_) {
// Only the final iteration's listener should be invoked.
// Note: the reference to l keeps the entire list alive.
expect(l[N - 1], M - 1);
});
}
final event = new Event('test');
div.dispatchEvent(event);
});
test('WindowEventListener', () {
String message = 'WindowEventListenerTestPingMessage';
Element testDiv = new DivElement();
testDiv.id = '#TestDiv';
document.body.append(testDiv);
window.onMessage.listen((e) {
if (e.data == message) testDiv.click();
});
for (int i = 0; i < 100; ++i) {
triggerMajorGC();
}
testDiv.onClick.listen(expectAsync((e) {}));
window.postMessage(message, '*');
});
}
void triggerMajorGC() {
List list = new List(1000000);
Element div = new DivElement();
div.onClick.listen((e) => print(list[0]));
}