mirror of
https://github.com/dart-lang/sdk
synced 2024-09-16 01:45:06 +00:00
63a57a76ce
This reverts commit f8ff12008e.
This CL is a revert of the initial revert and should be landed once
Flutter changes have been merged to handle the changes here.
Change-Id: I300a5efd776bf2a596743971f4e15ad62da77f5a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/153368
Commit-Queue: Srujan Gaddam <srujzs@google.com>
Reviewed-by: Sigmund Cherem <sigmund@google.com>
83 lines
2.1 KiB
Dart
83 lines
2.1 KiB
Dart
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
|
|
// for details. All rights reserved. Use of this source code is governed by a
|
|
// BSD-style license that can be found in the LICENSE file.
|
|
|
|
library wheel_event_test;
|
|
|
|
import 'dart:async';
|
|
import 'dart:html';
|
|
|
|
import 'package:expect/minitest.dart';
|
|
|
|
Future testWheelEvent() async {
|
|
final done = new Completer();
|
|
var element = new DivElement();
|
|
var eventType = Element.mouseWheelEvent.getEventType(element);
|
|
|
|
element.onMouseWheel.listen((e) {
|
|
try {
|
|
expect(e.screen.x, 100);
|
|
expect(e.deltaX, 0);
|
|
expect(e.deltaY.toDouble(), 240.0);
|
|
expect(e.deltaMode, WheelEvent.DOM_DELTA_PAGE);
|
|
done.complete();
|
|
} catch (e) {
|
|
done.completeError(e);
|
|
}
|
|
});
|
|
var event = new WheelEvent(eventType,
|
|
deltaX: 0,
|
|
deltaY: 240,
|
|
deltaMode: WheelEvent.DOM_DELTA_PAGE,
|
|
screenX: 100);
|
|
element.dispatchEvent(event);
|
|
await done.future;
|
|
}
|
|
|
|
Future testWheelEventWithDeltaZ() async {
|
|
final done = new Completer();
|
|
var element = new DivElement();
|
|
var eventType = Element.mouseWheelEvent.getEventType(element);
|
|
|
|
element.onMouseWheel.listen((e) {
|
|
try {
|
|
expect(e.deltaX, 0);
|
|
expect(e.deltaY, 0);
|
|
expect(e.screen.x, 0);
|
|
expect(e.deltaZ!.toDouble(), 1.0);
|
|
done.complete();
|
|
} catch (e) {
|
|
done.completeError(e);
|
|
}
|
|
});
|
|
var event = new WheelEvent(eventType, deltaZ: 1.0);
|
|
element.dispatchEvent(event);
|
|
await done.future;
|
|
}
|
|
|
|
Future testWheelEventStream() async {
|
|
final done = new Completer();
|
|
var element = new DivElement();
|
|
var eventType = Element.mouseWheelEvent.getEventType(element);
|
|
|
|
element.onMouseWheel.listen((e) {
|
|
try {
|
|
expect(e.screen.x, 100);
|
|
expect(e.deltaX.toDouble(), 240.0);
|
|
expect(e.deltaY, 0);
|
|
done.complete();
|
|
} catch (e) {
|
|
done.completeError(e);
|
|
}
|
|
});
|
|
var event = new WheelEvent(eventType, deltaX: 240, deltaY: 0, screenX: 100);
|
|
element.dispatchEvent(event);
|
|
await done.future;
|
|
}
|
|
|
|
main() async {
|
|
await testWheelEvent();
|
|
await testWheelEventWithDeltaZ();
|
|
await testWheelEventStream();
|
|
}
|