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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter/gestures.dart';
import 'package:quiver/testing/async.dart';
import 'package:test/test.dart';
import 'gesture_tester.dart';
class TestGestureArenaMember extends GestureArenaMember {
@override
void acceptGesture(int key) {
accepted = true;
}
@override
void rejectGesture(int key) {
rejected = true;
}
bool accepted = false;
bool rejected = false;
}
void main() {
setUp(ensureGestureBinding);
// Down/up pair 1: normal tap sequence
const PointerDownEvent down1 = const PointerDownEvent(
pointer: 1,
position: const Point(10.0, 10.0)
);
const PointerUpEvent up1 = const PointerUpEvent(
pointer: 1,
position: const Point(11.0, 9.0)
);
// Down/up pair 2: normal tap sequence close to pair 1
const PointerDownEvent down2 = const PointerDownEvent(
pointer: 2,
position: const Point(12.0, 12.0)
);
const PointerUpEvent up2 = const PointerUpEvent(
pointer: 2,
position: const Point(13.0, 11.0)
);
// Down/up pair 3: normal tap sequence far away from pair 1
const PointerDownEvent down3 = const PointerDownEvent(
pointer: 3,
position: const Point(130.0, 130.0)
);
const PointerUpEvent up3 = const PointerUpEvent(
pointer: 3,
position: const Point(131.0, 129.0)
);
// Down/move/up sequence 4: intervening motion
const PointerDownEvent down4 = const PointerDownEvent(
pointer: 4,
position: const Point(10.0, 10.0)
);
const PointerMoveEvent move4 = const PointerMoveEvent(
pointer: 4,
position: const Point(25.0, 25.0)
);
const PointerUpEvent up4 = const PointerUpEvent(
pointer: 4,
position: const Point(25.0, 25.0)
);
// Down/up pair 5: normal tap sequence identical to pair 1 with different pointer
const PointerDownEvent down5 = const PointerDownEvent(
pointer: 5,
position: const Point(10.0, 10.0)
);
const PointerUpEvent up5 = const PointerUpEvent(
pointer: 5,
position: const Point(11.0, 9.0)
);
testGesture('Should recognize double tap', (GestureTester tester) {
DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer();
bool doubleTapRecognized = false;
tap.onDoubleTap = () {
doubleTapRecognized = true;
};
tap.addPointer(down1);
tester.closeArena(1);
expect(doubleTapRecognized, isFalse);
tester.route(down1);
expect(doubleTapRecognized, isFalse);
tester.route(up1);
expect(doubleTapRecognized, isFalse);
GestureBinding.instance.gestureArena.sweep(1);
expect(doubleTapRecognized, isFalse);
tap.addPointer(down2);
tester.closeArena(2);
expect(doubleTapRecognized, isFalse);
tester.route(down2);
expect(doubleTapRecognized, isFalse);
tester.route(up2);
expect(doubleTapRecognized, isTrue);
GestureBinding.instance.gestureArena.sweep(2);
expect(doubleTapRecognized, isTrue);
tap.dispose();
});
testGesture('Inter-tap distance cancels double tap', (GestureTester tester) {
DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer();
bool doubleTapRecognized = false;
tap.onDoubleTap = () {
doubleTapRecognized = true;
};
tap.addPointer(down1);
tester.closeArena(1);
expect(doubleTapRecognized, isFalse);
tester.route(down1);
expect(doubleTapRecognized, isFalse);
tester.route(up1);
expect(doubleTapRecognized, isFalse);
GestureBinding.instance.gestureArena.sweep(1);
expect(doubleTapRecognized, isFalse);
tap.addPointer(down3);
tester.closeArena(3);
expect(doubleTapRecognized, isFalse);
tester.route(down3);
expect(doubleTapRecognized, isFalse);
tester.route(up3);
expect(doubleTapRecognized, isFalse);
GestureBinding.instance.gestureArena.sweep(3);
expect(doubleTapRecognized, isFalse);
tap.dispose();
});
testGesture('Intra-tap distance cancels double tap', (GestureTester tester) {
DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer();
bool doubleTapRecognized = false;
tap.onDoubleTap = () {
doubleTapRecognized = true;
};
tap.addPointer(down4);
tester.closeArena(4);
expect(doubleTapRecognized, isFalse);
tester.route(down4);
expect(doubleTapRecognized, isFalse);
tester.route(move4);
expect(doubleTapRecognized, isFalse);
tester.route(up4);
expect(doubleTapRecognized, isFalse);
GestureBinding.instance.gestureArena.sweep(4);
expect(doubleTapRecognized, isFalse);
tap.addPointer(down1);
tester.closeArena(1);
expect(doubleTapRecognized, isFalse);
tester.route(down2);
expect(doubleTapRecognized, isFalse);
tester.route(up1);
expect(doubleTapRecognized, isFalse);
GestureBinding.instance.gestureArena.sweep(1);
expect(doubleTapRecognized, isFalse);
tap.dispose();
});
testGesture('Inter-tap delay cancels double tap', (GestureTester tester) {
DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer();
bool doubleTapRecognized = false;
tap.onDoubleTap = () {
doubleTapRecognized = true;
};
tap.addPointer(down1);
tester.closeArena(1);
expect(doubleTapRecognized, isFalse);
tester.route(down1);
expect(doubleTapRecognized, isFalse);
tester.route(up1);
expect(doubleTapRecognized, isFalse);
GestureBinding.instance.gestureArena.sweep(1);
expect(doubleTapRecognized, isFalse);
tester.async.elapse(const Duration(milliseconds: 5000));
tap.addPointer(down2);
tester.closeArena(2);
expect(doubleTapRecognized, isFalse);
tester.route(down2);
expect(doubleTapRecognized, isFalse);
tester.route(up2);
expect(doubleTapRecognized, isFalse);
GestureBinding.instance.gestureArena.sweep(2);
expect(doubleTapRecognized, isFalse);
tap.dispose();
});
testGesture('Inter-tap delay resets double tap, allowing third tap to be a double-tap', (GestureTester tester) {
DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer();
bool doubleTapRecognized = false;
tap.onDoubleTap = () {
doubleTapRecognized = true;
};
tap.addPointer(down1);
tester.closeArena(1);
expect(doubleTapRecognized, isFalse);
tester.route(down1);
expect(doubleTapRecognized, isFalse);
tester.route(up1);
expect(doubleTapRecognized, isFalse);
GestureBinding.instance.gestureArena.sweep(1);
expect(doubleTapRecognized, isFalse);
tester.async.elapse(const Duration(milliseconds: 5000));
tap.addPointer(down2);
tester.closeArena(2);
expect(doubleTapRecognized, isFalse);
tester.route(down2);
expect(doubleTapRecognized, isFalse);
tester.route(up2);
expect(doubleTapRecognized, isFalse);
GestureBinding.instance.gestureArena.sweep(2);
expect(doubleTapRecognized, isFalse);
tester.async.elapse(const Duration(milliseconds: 100));
tap.addPointer(down5);
tester.closeArena(5);
expect(doubleTapRecognized, isFalse);
tester.route(down5);
expect(doubleTapRecognized, isFalse);
tester.route(up5);
expect(doubleTapRecognized, isTrue);
GestureBinding.instance.gestureArena.sweep(5);
expect(doubleTapRecognized, isTrue);
tap.dispose();
});
testGesture('Intra-tap delay does not cancel double tap', (GestureTester tester) {
DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer();
bool doubleTapRecognized = false;
tap.onDoubleTap = () {
doubleTapRecognized = true;
};
tap.addPointer(down1);
tester.closeArena(1);
expect(doubleTapRecognized, isFalse);
tester.route(down1);
expect(doubleTapRecognized, isFalse);
tester.async.elapse(const Duration(milliseconds: 1000));
tester.route(up1);
expect(doubleTapRecognized, isFalse);
GestureBinding.instance.gestureArena.sweep(1);
expect(doubleTapRecognized, isFalse);
tap.addPointer(down2);
tester.closeArena(2);
expect(doubleTapRecognized, isFalse);
tester.route(down2);
expect(doubleTapRecognized, isFalse);
tester.route(up2);
expect(doubleTapRecognized, isTrue);
GestureBinding.instance.gestureArena.sweep(2);
expect(doubleTapRecognized, isTrue);
tap.dispose();
});
testGesture('Should not recognize two overlapping taps', (GestureTester tester) {
DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer();
bool doubleTapRecognized = false;
tap.onDoubleTap = () {
doubleTapRecognized = true;
};
tap.addPointer(down1);
tester.closeArena(1);
expect(doubleTapRecognized, isFalse);
tester.route(down1);
expect(doubleTapRecognized, isFalse);
tap.addPointer(down2);
tester.closeArena(2);
expect(doubleTapRecognized, isFalse);
tester.route(down1);
expect(doubleTapRecognized, isFalse);
tester.route(up1);
expect(doubleTapRecognized, isFalse);
GestureBinding.instance.gestureArena.sweep(1);
expect(doubleTapRecognized, isFalse);
tester.route(up2);
expect(doubleTapRecognized, isFalse);
GestureBinding.instance.gestureArena.sweep(2);
expect(doubleTapRecognized, isFalse);
tap.dispose();
});
testGesture('Should recognize one tap of group followed by second tap', (GestureTester tester) {
DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer();
bool doubleTapRecognized = false;
tap.onDoubleTap = () {
doubleTapRecognized = true;
};
tap.addPointer(down1);
tester.closeArena(1);
expect(doubleTapRecognized, isFalse);
tester.route(down1);
expect(doubleTapRecognized, isFalse);
tap.addPointer(down2);
tester.closeArena(2);
expect(doubleTapRecognized, isFalse);
tester.route(down1);
expect(doubleTapRecognized, isFalse);
tester.route(up1);
expect(doubleTapRecognized, isFalse);
GestureBinding.instance.gestureArena.sweep(1);
expect(doubleTapRecognized, isFalse);
tester.route(up2);
expect(doubleTapRecognized, isFalse);
GestureBinding.instance.gestureArena.sweep(2);
expect(doubleTapRecognized, isFalse);
tap.addPointer(down1);
tester.closeArena(1);
expect(doubleTapRecognized, isFalse);
tester.route(down1);
expect(doubleTapRecognized, isFalse);
tester.route(up1);
expect(doubleTapRecognized, isTrue);
GestureBinding.instance.gestureArena.sweep(1);
expect(doubleTapRecognized, isTrue);
tap.dispose();
});
testGesture('Should cancel on arena reject during first tap', (GestureTester tester) {
DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer();
bool doubleTapRecognized = false;
tap.onDoubleTap = () {
doubleTapRecognized = true;
};
tap.addPointer(down1);
TestGestureArenaMember member = new TestGestureArenaMember();
GestureArenaEntry entry = GestureBinding.instance.gestureArena.add(1, member);
tester.closeArena(1);
expect(doubleTapRecognized, isFalse);
tester.route(down1);
expect(doubleTapRecognized, isFalse);
tester.route(up1);
expect(doubleTapRecognized, isFalse);
entry.resolve(GestureDisposition.accepted);
expect(member.accepted, isTrue);
expect(doubleTapRecognized, isFalse);
GestureBinding.instance.gestureArena.sweep(1);
expect(doubleTapRecognized, isFalse);
tap.addPointer(down2);
tester.closeArena(2);
expect(doubleTapRecognized, isFalse);
tester.route(down2);
expect(doubleTapRecognized, isFalse);
tester.route(up2);
expect(doubleTapRecognized, isFalse);
GestureBinding.instance.gestureArena.sweep(2);
expect(doubleTapRecognized, isFalse);
tap.dispose();
});
testGesture('Should cancel on arena reject between taps', (GestureTester tester) {
DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer();
bool doubleTapRecognized = false;
tap.onDoubleTap = () {
doubleTapRecognized = true;
};
tap.addPointer(down1);
TestGestureArenaMember member = new TestGestureArenaMember();
GestureArenaEntry entry = GestureBinding.instance.gestureArena.add(1, member);
tester.closeArena(1);
expect(doubleTapRecognized, isFalse);
tester.route(down1);
expect(doubleTapRecognized, isFalse);
tester.route(up1);
expect(doubleTapRecognized, isFalse);
GestureBinding.instance.gestureArena.sweep(1);
expect(doubleTapRecognized, isFalse);
entry.resolve(GestureDisposition.accepted);
expect(member.accepted, isTrue);
tap.addPointer(down2);
tester.closeArena(2);
expect(doubleTapRecognized, isFalse);
tester.route(down2);
expect(doubleTapRecognized, isFalse);
tester.route(up2);
expect(doubleTapRecognized, isFalse);
GestureBinding.instance.gestureArena.sweep(2);
expect(doubleTapRecognized, isFalse);
tap.dispose();
});
testGesture('Should cancel on arena reject during last tap', (GestureTester tester) {
DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer();
bool doubleTapRecognized = false;
tap.onDoubleTap = () {
doubleTapRecognized = true;
};
tap.addPointer(down1);
TestGestureArenaMember member = new TestGestureArenaMember();
GestureArenaEntry entry = GestureBinding.instance.gestureArena.add(1, member);
tester.closeArena(1);
expect(doubleTapRecognized, isFalse);
tester.route(down1);
expect(doubleTapRecognized, isFalse);
tester.route(up1);
expect(doubleTapRecognized, isFalse);
GestureBinding.instance.gestureArena.sweep(1);
expect(doubleTapRecognized, isFalse);
tap.addPointer(down2);
tester.closeArena(2);
expect(doubleTapRecognized, isFalse);
tester.route(down2);
expect(doubleTapRecognized, isFalse);
entry.resolve(GestureDisposition.accepted);
expect(member.accepted, isTrue);
tester.route(up2);
expect(doubleTapRecognized, isFalse);
GestureBinding.instance.gestureArena.sweep(2);
expect(doubleTapRecognized, isFalse);
tap.dispose();
});
testGesture('Passive gesture should trigger on double tap cancel', (GestureTester tester) {
DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer();
bool doubleTapRecognized = false;
tap.onDoubleTap = () {
doubleTapRecognized = true;
};
new FakeAsync().run((FakeAsync async) {
tap.addPointer(down1);
TestGestureArenaMember member = new TestGestureArenaMember();
GestureBinding.instance.gestureArena.add(1, member);
tester.closeArena(1);
expect(doubleTapRecognized, isFalse);
tester.route(down1);
expect(doubleTapRecognized, isFalse);
tester.route(up1);
expect(doubleTapRecognized, isFalse);
GestureBinding.instance.gestureArena.sweep(1);
expect(doubleTapRecognized, isFalse);
expect(member.accepted, isFalse);
async.elapse(const Duration(milliseconds: 5000));
expect(member.accepted, isTrue);
});
tap.dispose();
});
}