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82 lines
2.2 KiB
Dart
82 lines
2.2 KiB
Dart
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter_test/flutter_test.dart';
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import 'package:flutter/gestures.dart';
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import 'package:test/test.dart';
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import 'gesture_tester.dart';
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void main() {
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setUp(ensureGesturer);
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test('Should recognize pan', () {
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GestureArenaManager gestureArena = Gesturer.instance.gestureArena;
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PointerRouter pointerRouter = Gesturer.instance.pointerRouter;
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PanGestureRecognizer pan = new PanGestureRecognizer();
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TapGestureRecognizer tap = new TapGestureRecognizer();
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bool didStartPan = false;
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pan.onStart = (_) {
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didStartPan = true;
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};
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Offset updatedScrollDelta;
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pan.onUpdate = (Offset offset) {
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updatedScrollDelta = offset;
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};
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bool didEndPan = false;
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pan.onEnd = (Velocity velocity) {
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didEndPan = true;
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};
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bool didTap = false;
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tap.onTap = () {
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didTap = true;
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};
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TestPointer pointer = new TestPointer(5);
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PointerDownEvent down = pointer.down(const Point(10.0, 10.0));
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pan.addPointer(down);
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tap.addPointer(down);
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gestureArena.close(5);
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expect(didStartPan, isFalse);
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expect(updatedScrollDelta, isNull);
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expect(didEndPan, isFalse);
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expect(didTap, isFalse);
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pointerRouter.route(down);
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expect(didStartPan, isFalse);
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expect(updatedScrollDelta, isNull);
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expect(didEndPan, isFalse);
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expect(didTap, isFalse);
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pointerRouter.route(pointer.move(const Point(20.0, 20.0)));
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expect(didStartPan, isTrue);
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didStartPan = false;
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expect(updatedScrollDelta, const Offset(10.0, 10.0));
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updatedScrollDelta = null;
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expect(didEndPan, isFalse);
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expect(didTap, isFalse);
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pointerRouter.route(pointer.move(const Point(20.0, 25.0)));
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expect(didStartPan, isFalse);
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expect(updatedScrollDelta, const Offset(0.0, 5.0));
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updatedScrollDelta = null;
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expect(didEndPan, isFalse);
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expect(didTap, isFalse);
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pointerRouter.route(pointer.up());
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expect(didStartPan, isFalse);
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expect(updatedScrollDelta, isNull);
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expect(didEndPan, isTrue);
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didEndPan = false;
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expect(didTap, isFalse);
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pan.dispose();
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tap.dispose();
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});
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}
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