Robert Nystrom
4cc31f8f4f
There are no behavioral changes here, I just ran `dart format` on the `tests/lib/html/` directory. Change-Id: I221b2a370adc393e49621db1d37aa6eeb09b3015 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/425329 Reviewed-by: Srujan Gaddam <srujzs@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Commit-Queue: Bob Nystrom <rnystrom@google.com>
85 lines
2.2 KiB
Dart
85 lines
2.2 KiB
Dart
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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library wheel_event_test;
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import 'dart:async';
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import 'dart:html';
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import 'package:expect/legacy/minitest.dart'; // ignore: deprecated_member_use_from_same_package
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Future testWheelEvent() async {
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final done = new Completer();
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var element = new DivElement();
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var eventType = Element.mouseWheelEvent.getEventType(element);
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element.onMouseWheel.listen((e) {
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try {
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expect(e.screen.x, 100);
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expect(e.deltaX, 0);
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expect(e.deltaY.toDouble(), 240.0);
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expect(e.deltaMode, WheelEvent.DOM_DELTA_PAGE);
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done.complete();
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} catch (e) {
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done.completeError(e);
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}
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});
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var event = new WheelEvent(
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eventType,
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deltaX: 0,
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deltaY: 240,
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deltaMode: WheelEvent.DOM_DELTA_PAGE,
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screenX: 100,
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);
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element.dispatchEvent(event);
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await done.future;
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}
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Future testWheelEventWithDeltaZ() async {
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final done = new Completer();
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var element = new DivElement();
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var eventType = Element.mouseWheelEvent.getEventType(element);
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element.onMouseWheel.listen((e) {
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try {
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expect(e.deltaX, 0);
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expect(e.deltaY, 0);
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expect(e.screen.x, 0);
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expect(e.deltaZ!.toDouble(), 1.0);
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done.complete();
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} catch (e) {
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done.completeError(e);
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}
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});
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var event = new WheelEvent(eventType, deltaZ: 1.0);
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element.dispatchEvent(event);
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await done.future;
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}
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Future testWheelEventStream() async {
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final done = new Completer();
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var element = new DivElement();
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var eventType = Element.mouseWheelEvent.getEventType(element);
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element.onMouseWheel.listen((e) {
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try {
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expect(e.screen.x, 100);
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expect(e.deltaX.toDouble(), 240.0);
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expect(e.deltaY, 0);
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done.complete();
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} catch (e) {
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done.completeError(e);
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}
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});
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var event = new WheelEvent(eventType, deltaX: 240, deltaY: 0, screenX: 100);
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element.dispatchEvent(event);
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await done.future;
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}
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main() async {
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await testWheelEvent();
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await testWheelEventWithDeltaZ();
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await testWheelEventStream();
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}
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