blob: 89ab65eb48b0e3db54b2ffa4f8aafce384ff384a [file] [log] [blame]
// Copyright 2014 The Flutter 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/foundation.dart';
import 'package:flutter/gestures.dart';
import 'package:flutter_test/flutter_test.dart';
import 'gesture_tester.dart';
class TestGestureArenaMember extends GestureArenaMember {
@override
void acceptGesture(int key) { }
@override
void rejectGesture(int key) { }
}
void main() {
setUp(ensureGestureBinding);
// Down/up pair 1: normal tap sequence
const PointerDownEvent down1 = PointerDownEvent(
pointer: 1,
position: Offset(10.0, 10.0),
);
const PointerUpEvent up1 = PointerUpEvent(
pointer: 1,
position: Offset(11.0, 9.0),
);
// Down/up pair 2: normal tap sequence far away from pair 1
const PointerDownEvent down2 = PointerDownEvent(
pointer: 2,
position: Offset(30.0, 30.0),
);
const PointerUpEvent up2 = PointerUpEvent(
pointer: 2,
position: Offset(31.0, 29.0),
);
// Down/move/up sequence 3: intervening motion, more than kTouchSlop. (~21px)
const PointerDownEvent down3 = PointerDownEvent(
pointer: 3,
position: Offset(10.0, 10.0),
);
const PointerMoveEvent move3 = PointerMoveEvent(
pointer: 3,
position: Offset(25.0, 25.0),
);
const PointerUpEvent up3 = PointerUpEvent(
pointer: 3,
position: Offset(25.0, 25.0),
);
// Down/move/up sequence 4: intervening motion, less than kTouchSlop. (~17px)
const PointerDownEvent down4 = PointerDownEvent(
pointer: 4,
position: Offset(10.0, 10.0),
);
const PointerMoveEvent move4 = PointerMoveEvent(
pointer: 4,
position: Offset(22.0, 22.0),
);
const PointerUpEvent up4 = PointerUpEvent(
pointer: 4,
position: Offset(22.0, 22.0),
);
// Down/up sequence 5: tap sequence with secondary button
const PointerDownEvent down5 = PointerDownEvent(
pointer: 5,
position: Offset(20.0, 20.0),
buttons: kSecondaryButton,
);
const PointerUpEvent up5 = PointerUpEvent(
pointer: 5,
position: Offset(20.0, 20.0),
);
// Down/up sequence 6: tap sequence with tertiary button
const PointerDownEvent down6 = PointerDownEvent(
pointer: 6,
position: Offset(20.0, 20.0),
buttons: kTertiaryButton,
);
const PointerUpEvent up6 = PointerUpEvent(
pointer: 6,
position: Offset(20.0, 20.0),
);
testGesture('Should recognize tap', (GestureTester tester) {
final TapGestureRecognizer tap = TapGestureRecognizer();
bool tapRecognized = false;
tap.onTap = () {
tapRecognized = true;
};
tap.addPointer(down1);
tester.closeArena(1);
expect(tapRecognized, isFalse);
tester.route(down1);
expect(tapRecognized, isFalse);
tester.route(up1);
expect(tapRecognized, isTrue);
GestureBinding.instance!.gestureArena.sweep(1);
expect(tapRecognized, isTrue);
tap.dispose();
});
testGesture('Details contain the correct device kind', (GestureTester tester) {
final TapGestureRecognizer tap = TapGestureRecognizer();
TapDownDetails? lastDownDetails;
TapUpDetails? lastUpDetails;
tap.onTapDown = (TapDownDetails details) {
lastDownDetails = details;
};
tap.onTapUp = (TapUpDetails details) {
lastUpDetails = details;
};
const PointerDownEvent mouseDown =
PointerDownEvent(pointer: 1, kind: PointerDeviceKind.mouse);
const PointerUpEvent mouseUp =
PointerUpEvent(pointer: 1, kind: PointerDeviceKind.mouse);
tap.addPointer(mouseDown);
tester.closeArena(1);
tester.route(mouseDown);
expect(lastDownDetails?.kind, PointerDeviceKind.mouse);
tester.route(mouseUp);
expect(lastUpDetails?.kind, PointerDeviceKind.mouse);
tap.dispose();
});
testGesture('No duplicate tap events', (GestureTester tester) {
final TapGestureRecognizer tap = TapGestureRecognizer();
int tapsRecognized = 0;
tap.onTap = () {
tapsRecognized++;
};
tap.addPointer(down1);
tester.closeArena(1);
expect(tapsRecognized, 0);
tester.route(down1);
expect(tapsRecognized, 0);
tester.route(up1);
expect(tapsRecognized, 1);
GestureBinding.instance!.gestureArena.sweep(1);
expect(tapsRecognized, 1);
tap.addPointer(down1);
tester.closeArena(1);
expect(tapsRecognized, 1);
tester.route(down1);
expect(tapsRecognized, 1);
tester.route(up1);
expect(tapsRecognized, 2);
GestureBinding.instance!.gestureArena.sweep(1);
expect(tapsRecognized, 2);
tap.dispose();
});
testGesture('Should not recognize two overlapping taps (FIFO)', (GestureTester tester) {
final TapGestureRecognizer tap = TapGestureRecognizer();
int tapsRecognized = 0;
tap.onTap = () {
tapsRecognized++;
};
tap.addPointer(down1);
tester.closeArena(1);
expect(tapsRecognized, 0);
tester.route(down1);
expect(tapsRecognized, 0);
tap.addPointer(down2);
tester.closeArena(2);
expect(tapsRecognized, 0);
tester.route(down1);
expect(tapsRecognized, 0);
tester.route(up1);
expect(tapsRecognized, 1);
GestureBinding.instance!.gestureArena.sweep(1);
expect(tapsRecognized, 1);
tester.route(up2);
expect(tapsRecognized, 1);
GestureBinding.instance!.gestureArena.sweep(2);
expect(tapsRecognized, 1);
tap.dispose();
});
testGesture('Should not recognize two overlapping taps (FILO)', (GestureTester tester) {
final TapGestureRecognizer tap = TapGestureRecognizer();
int tapsRecognized = 0;
tap.onTap = () {
tapsRecognized++;
};
tap.addPointer(down1);
tester.closeArena(1);
expect(tapsRecognized, 0);
tester.route(down1);
expect(tapsRecognized, 0);
tap.addPointer(down2);
tester.closeArena(2);
expect(tapsRecognized, 0);
tester.route(down1);
expect(tapsRecognized, 0);
tester.route(up2);
expect(tapsRecognized, 0);
GestureBinding.instance!.gestureArena.sweep(2);
expect(tapsRecognized, 0);
tester.route(up1);
expect(tapsRecognized, 1);
GestureBinding.instance!.gestureArena.sweep(1);
expect(tapsRecognized, 1);
tap.dispose();
});
testGesture('Distance cancels tap', (GestureTester tester) {
final TapGestureRecognizer tap = TapGestureRecognizer();
bool tapRecognized = false;
tap.onTap = () {
tapRecognized = true;
};
bool tapCanceled = false;
tap.onTapCancel = () {
tapCanceled = true;
};
tap.addPointer(down3);
tester.closeArena(3);
expect(tapRecognized, isFalse);
expect(tapCanceled, isFalse);
tester.route(down3);
expect(tapRecognized, isFalse);
expect(tapCanceled, isFalse);
tester.route(move3);
expect(tapRecognized, isFalse);
expect(tapCanceled, isTrue);
tester.route(up3);
expect(tapRecognized, isFalse);
expect(tapCanceled, isTrue);
GestureBinding.instance!.gestureArena.sweep(3);
expect(tapRecognized, isFalse);
expect(tapCanceled, isTrue);
tap.dispose();
});
testGesture('Short distance does not cancel tap', (GestureTester tester) {
final TapGestureRecognizer tap = TapGestureRecognizer();
bool tapRecognized = false;
tap.onTap = () {
tapRecognized = true;
};
bool tapCanceled = false;
tap.onTapCancel = () {
tapCanceled = true;
};
tap.addPointer(down4);
tester.closeArena(4);
expect(tapRecognized, isFalse);
expect(tapCanceled, isFalse);
tester.route(down4);
expect(tapRecognized, isFalse);
expect(tapCanceled, isFalse);
tester.route(move4);
expect(tapRecognized, isFalse);
expect(tapCanceled, isFalse);
tester.route(up4);
expect(tapRecognized, isTrue);
expect(tapCanceled, isFalse);
GestureBinding.instance!.gestureArena.sweep(4);
expect(tapRecognized, isTrue);
expect(tapCanceled, isFalse);
tap.dispose();
});
testGesture('Timeout does not cancel tap', (GestureTester tester) {
final TapGestureRecognizer tap = TapGestureRecognizer();
bool tapRecognized = false;
tap.onTap = () {
tapRecognized = true;
};
tap.addPointer(down1);
tester.closeArena(1);
expect(tapRecognized, isFalse);
tester.route(down1);
expect(tapRecognized, isFalse);
tester.async.elapse(const Duration(milliseconds: 500));
expect(tapRecognized, isFalse);
tester.route(up1);
expect(tapRecognized, isTrue);
GestureBinding.instance!.gestureArena.sweep(1);
expect(tapRecognized, isTrue);
tap.dispose();
});
testGesture('Should yield to other arena members', (GestureTester tester) {
final TapGestureRecognizer tap = TapGestureRecognizer();
bool tapRecognized = false;
tap.onTap = () {
tapRecognized = true;
};
tap.addPointer(down1);
final TestGestureArenaMember member = TestGestureArenaMember();
final GestureArenaEntry entry = GestureBinding.instance!.gestureArena.add(1, member);
GestureBinding.instance!.gestureArena.hold(1);
tester.closeArena(1);
expect(tapRecognized, isFalse);
tester.route(down1);
expect(tapRecognized, isFalse);
tester.route(up1);
expect(tapRecognized, isFalse);
GestureBinding.instance!.gestureArena.sweep(1);
expect(tapRecognized, isFalse);
entry.resolve(GestureDisposition.accepted);
expect(tapRecognized, isFalse);
tap.dispose();
});
testGesture('Should trigger on release of held arena', (GestureTester tester) {
final TapGestureRecognizer tap = TapGestureRecognizer();
bool tapRecognized = false;
tap.onTap = () {
tapRecognized = true;
};
tap.addPointer(down1);
final TestGestureArenaMember member = TestGestureArenaMember();
final GestureArenaEntry entry = GestureBinding.instance!.gestureArena.add(1, member);
GestureBinding.instance!.gestureArena.hold(1);
tester.closeArena(1);
expect(tapRecognized, isFalse);
tester.route(down1);
expect(tapRecognized, isFalse);
tester.route(up1);
expect(tapRecognized, isFalse);
GestureBinding.instance!.gestureArena.sweep(1);
expect(tapRecognized, isFalse);
entry.resolve(GestureDisposition.rejected);
tester.async.flushMicrotasks();
expect(tapRecognized, isTrue);
tap.dispose();
});
testGesture('Should log exceptions from callbacks', (GestureTester tester) {
final TapGestureRecognizer tap = TapGestureRecognizer();
tap.onTap = () {
throw Exception(test);
};
final FlutterExceptionHandler? previousErrorHandler = FlutterError.onError;
bool gotError = false;
FlutterError.onError = (FlutterErrorDetails details) {
gotError = true;
};
tap.addPointer(down1);
tester.closeArena(1);
tester.route(down1);
expect(gotError, isFalse);
tester.route(up1);
expect(gotError, isTrue);
FlutterError.onError = previousErrorHandler;
tap.dispose();
});
testGesture('onTapCancel should show reason in the proper format', (GestureTester tester) {
final TapGestureRecognizer tap = TapGestureRecognizer();
tap.onTapCancel = () {
throw Exception(test);
};
final FlutterExceptionHandler? previousErrorHandler = FlutterError.onError;
bool gotError = false;
FlutterError.onError = (FlutterErrorDetails details) {
expect(details.toString().contains('"spontaneous onTapCancel"') , isTrue);
gotError = true;
};
const int pointer = 1;
tap.addPointer(const PointerDownEvent(pointer: pointer));
tester.closeArena(pointer);
tester.async.elapse(const Duration(milliseconds: 500));
tester.route(const PointerCancelEvent(pointer: pointer));
expect(gotError, isTrue);
FlutterError.onError = previousErrorHandler;
tap.dispose();
});
testGesture('No duplicate tap events', (GestureTester tester) {
final TapGestureRecognizer tapA = TapGestureRecognizer();
final TapGestureRecognizer tapB = TapGestureRecognizer();
final List<String> log = <String>[];
tapA.onTapDown = (TapDownDetails details) { log.add('tapA onTapDown'); };
tapA.onTapUp = (TapUpDetails details) { log.add('tapA onTapUp'); };
tapA.onTap = () { log.add('tapA onTap'); };
tapA.onTapCancel = () { log.add('tapA onTapCancel'); };
tapB.onTapDown = (TapDownDetails details) { log.add('tapB onTapDown'); };
tapB.onTapUp = (TapUpDetails details) { log.add('tapB onTapUp'); };
tapB.onTap = () { log.add('tapB onTap'); };
tapB.onTapCancel = () { log.add('tapB onTapCancel'); };
log.add('start');
tapA.addPointer(down1);
log.add('added 1 to A');
tapB.addPointer(down1);
log.add('added 1 to B');
tester.closeArena(1);
log.add('closed 1');
tester.route(down1);
log.add('routed 1 down');
tester.route(up1);
log.add('routed 1 up');
GestureBinding.instance!.gestureArena.sweep(1);
log.add('swept 1');
tapA.addPointer(down2);
log.add('down 2 to A');
tapB.addPointer(down2);
log.add('down 2 to B');
tester.closeArena(2);
log.add('closed 2');
tester.route(down2);
log.add('routed 2 down');
tester.route(up2);
log.add('routed 2 up');
GestureBinding.instance!.gestureArena.sweep(2);
log.add('swept 2');
tapA.dispose();
log.add('disposed A');
tapB.dispose();
log.add('disposed B');
expect(log, <String>[
'start',
'added 1 to A',
'added 1 to B',
'closed 1',
'routed 1 down',
'routed 1 up',
'tapA onTapDown',
'tapA onTapUp',
'tapA onTap',
'swept 1',
'down 2 to A',
'down 2 to B',
'closed 2',
'routed 2 down',
'routed 2 up',
'tapA onTapDown',
'tapA onTapUp',
'tapA onTap',
'swept 2',
'disposed A',
'disposed B',
]);
});
testGesture('PointerCancelEvent cancels tap', (GestureTester tester) {
const PointerDownEvent down = PointerDownEvent(
pointer: 5,
position: Offset(10.0, 10.0),
);
const PointerCancelEvent cancel = PointerCancelEvent(
pointer: 5,
position: Offset(10.0, 10.0),
);
final TapGestureRecognizer tap = TapGestureRecognizer();
final List<String> recognized = <String>[];
tap.onTapDown = (_) {
recognized.add('down');
};
tap.onTapUp = (_) {
recognized.add('up');
};
tap.onTap = () {
recognized.add('tap');
};
tap.onTapCancel = () {
recognized.add('cancel');
};
tap.addPointer(down);
tester.closeArena(5);
tester.async.elapse(const Duration(milliseconds: 5000));
expect(recognized, <String>['down']);
tester.route(cancel);
expect(recognized, <String>['down', 'cancel']);
tap.dispose();
});
testGesture('PointerCancelEvent after exceeding deadline cancels tap', (GestureTester tester) {
const PointerDownEvent down = PointerDownEvent(
pointer: 5,
position: Offset(10.0, 10.0),
);
const PointerCancelEvent cancel = PointerCancelEvent(
pointer: 5,
position: Offset(10.0, 10.0),
);
final TapGestureRecognizer tap = TapGestureRecognizer();
final HorizontalDragGestureRecognizer drag = HorizontalDragGestureRecognizer()
..onStart = (_) {}; // Need a callback to compete
final List<String> recognized = <String>[];
tap.onTapDown = (_) {
recognized.add('down');
};
tap.onTapUp = (_) {
recognized.add('up');
};
tap.onTap = () {
recognized.add('tap');
};
tap.onTapCancel = () {
recognized.add('cancel');
};
tap.addPointer(down);
drag.addPointer(down);
tester.closeArena(5);
tester.route(down);
expect(recognized, <String>[]);
tester.async.elapse(const Duration(milliseconds: 1000));
expect(recognized, <String>['down']);
tester.route(cancel);
expect(recognized, <String>['down', 'cancel']);
tap.dispose();
drag.dispose();
});
testGesture('losing tap gesture recognizer does not send onTapCancel', (GestureTester tester) {
final TapGestureRecognizer tap = TapGestureRecognizer();
final HorizontalDragGestureRecognizer drag = HorizontalDragGestureRecognizer();
final List<String> recognized = <String>[];
tap.onTapDown = (_) {
recognized.add('down');
};
tap.onTapUp = (_) {
recognized.add('up');
};
tap.onTap = () {
recognized.add('tap');
};
tap.onTapCancel = () {
recognized.add('cancel');
};
tap.addPointer(down3);
drag.addPointer(down3);
tester.closeArena(3);
tester.route(move3);
GestureBinding.instance!.gestureArena.sweep(3);
expect(recognized, isEmpty);
tap.dispose();
drag.dispose();
});
testGesture('non-primary pointers does not trigger timeout', (GestureTester tester) {
// Regression test for https://github.com/flutter/flutter/issues/43310
// Pointer1 down, pointer2 down, then pointer 1 up, all within the timeout.
// In this way, `BaseTapGestureRecognizer.didExceedDeadline` can be triggered
// after its `_reset`.
final TapGestureRecognizer tap = TapGestureRecognizer();
final List<String> recognized = <String>[];
tap.onTapDown = (_) {
recognized.add('down');
};
tap.onTapUp = (_) {
recognized.add('up');
};
tap.onTap = () {
recognized.add('tap');
};
tap.onTapCancel = () {
recognized.add('cancel');
};
tap.addPointer(down1);
tester.closeArena(down1.pointer);
tap.addPointer(down2);
tester.closeArena(down2.pointer);
expect(recognized, isEmpty);
tester.route(up1);
GestureBinding.instance!.gestureArena.sweep(down1.pointer);
expect(recognized, <String>['down', 'up', 'tap']);
recognized.clear();
// If regression happens, the following step will throw error
tester.async.elapse(const Duration(milliseconds: 200));
expect(recognized, isEmpty);
tester.route(up2);
GestureBinding.instance!.gestureArena.sweep(down2.pointer);
expect(recognized, isEmpty);
tap.dispose();
});
group('Enforce consistent-button restriction:', () {
// Change buttons during down-up sequence 1
const PointerMoveEvent move1lr = PointerMoveEvent(
pointer: 1,
position: Offset(10.0, 10.0),
buttons: kPrimaryMouseButton | kSecondaryMouseButton,
);
const PointerMoveEvent move1r = PointerMoveEvent(
pointer: 1,
position: Offset(10.0, 10.0),
buttons: kSecondaryMouseButton,
);
final List<String> recognized = <String>[];
late TapGestureRecognizer tap;
setUp(() {
tap = TapGestureRecognizer()
..onTapDown = (TapDownDetails details) {
recognized.add('down');
}
..onTapUp = (TapUpDetails details) {
recognized.add('up');
}
..onTapCancel = () {
recognized.add('cancel');
};
});
tearDown(() {
tap.dispose();
recognized.clear();
});
testGesture('changing buttons before TapDown should cancel gesture without sending cancel', (GestureTester tester) {
tap.addPointer(down1);
tester.closeArena(1);
expect(recognized, <String>[]);
tester.route(move1lr);
expect(recognized, <String>[]);
tester.route(move1r);
expect(recognized, <String>[]);
tester.route(up1);
expect(recognized, <String>[]);
tap.dispose();
});
testGesture('changing buttons before TapDown should not prevent the next tap', (GestureTester tester) {
tap.addPointer(down1);
tester.closeArena(1);
tester.route(move1lr);
tester.route(move1r);
tester.route(up1);
expect(recognized, <String>[]);
tap.addPointer(down2);
tester.closeArena(2);
tester.async.elapse(const Duration(milliseconds: 1000));
tester.route(up2);
expect(recognized, <String>['down', 'up']);
tap.dispose();
});
testGesture('changing buttons after TapDown should cancel gesture and send cancel', (GestureTester tester) {
tap.addPointer(down1);
tester.closeArena(1);
expect(recognized, <String>[]);
tester.async.elapse(const Duration(milliseconds: 1000));
expect(recognized, <String>['down']);
tester.route(move1lr);
expect(recognized, <String>['down', 'cancel']);
tester.route(move1r);
expect(recognized, <String>['down', 'cancel']);
tester.route(up1);
expect(recognized, <String>['down', 'cancel']);
tap.dispose();
});
testGesture('changing buttons after TapDown should not prevent the next tap', (GestureTester tester) {
tap.addPointer(down1);
tester.closeArena(1);
tester.async.elapse(const Duration(milliseconds: 1000));
tester.route(move1lr);
tester.route(move1r);
tester.route(up1);
GestureBinding.instance!.gestureArena.sweep(1);
expect(recognized, <String>['down', 'cancel']);
tap.addPointer(down2);
tester.closeArena(2);
tester.async.elapse(const Duration(milliseconds: 1000));
tester.route(up2);
GestureBinding.instance!.gestureArena.sweep(2);
expect(recognized, <String>['down', 'cancel', 'down', 'up']);
tap.dispose();
});
});
group('Recognizers listening on different buttons do not form competition:', () {
// If a tap gesture has no competitors, a pointer down event triggers
// onTapDown immediately; if there are competitors, onTapDown is triggered
// after a timeout. The following tests make sure that tap recognizers
// listening on different buttons do not form competition.
final List<String> recognized = <String>[];
late TapGestureRecognizer primary;
late TapGestureRecognizer primary2;
late TapGestureRecognizer secondary;
late TapGestureRecognizer tertiary;
setUp(() {
primary = TapGestureRecognizer()
..onTapDown = (TapDownDetails details) {
recognized.add('primaryDown');
}
..onTapUp = (TapUpDetails details) {
recognized.add('primaryUp');
}
..onTapCancel = () {
recognized.add('primaryCancel');
};
primary2 = TapGestureRecognizer()
..onTapDown = (TapDownDetails details) {
recognized.add('primary2Down');
}
..onTapUp = (TapUpDetails details) {
recognized.add('primary2Up');
}
..onTapCancel = () {
recognized.add('primary2Cancel');
};
secondary = TapGestureRecognizer()
..onSecondaryTapDown = (TapDownDetails details) {
recognized.add('secondaryDown');
}
..onSecondaryTapUp = (TapUpDetails details) {
recognized.add('secondaryUp');
}
..onSecondaryTapCancel = () {
recognized.add('secondaryCancel');
};
tertiary = TapGestureRecognizer()
..onTertiaryTapDown = (TapDownDetails details) {
recognized.add('tertiaryDown');
}
..onTertiaryTapUp = (TapUpDetails details) {
recognized.add('tertiaryUp');
}
..onTertiaryTapCancel = () {
recognized.add('tertiaryCancel');
};
});
tearDown(() {
primary.dispose();
primary2.dispose();
secondary.dispose();
tertiary.dispose();
recognized.clear();
});
testGesture('A primary tap recognizer does not form competition with a secondary tap recognizer', (GestureTester tester) {
primary.addPointer(down1);
secondary.addPointer(down1);
tester.closeArena(1);
tester.route(down1);
expect(recognized, <String>['primaryDown']);
recognized.clear();
tester.route(up1);
expect(recognized, <String>['primaryUp']);
});
testGesture('A primary tap recognizer does not form competition with a tertiary tap recognizer', (GestureTester tester) {
primary.addPointer(down1);
tertiary.addPointer(down1);
tester.closeArena(1);
tester.route(down1);
expect(recognized, <String>['primaryDown']);
recognized.clear();
tester.route(up1);
expect(recognized, <String>['primaryUp']);
});
testGesture('A primary tap recognizer forms competition with another primary tap recognizer', (GestureTester tester) {
primary.addPointer(down1);
primary2.addPointer(down1);
tester.closeArena(1);
tester.route(down1);
expect(recognized, <String>[]);
tester.async.elapse(const Duration(milliseconds: 500));
expect(recognized, <String>['primaryDown', 'primary2Down']);
});
});
group('Gestures of different buttons trigger correct callbacks:', () {
final List<String> recognized = <String>[];
late TapGestureRecognizer tap;
const PointerCancelEvent cancel1 = PointerCancelEvent(
pointer: 1,
);
const PointerCancelEvent cancel5 = PointerCancelEvent(
pointer: 5,
);
const PointerCancelEvent cancel6 = PointerCancelEvent(
pointer: 6,
);
setUp(() {
tap = TapGestureRecognizer()
..onTapDown = (TapDownDetails details) {
recognized.add('primaryDown');
}
..onTap = () {
recognized.add('primary');
}
..onTapUp = (TapUpDetails details) {
recognized.add('primaryUp');
}
..onTapCancel = () {
recognized.add('primaryCancel');
}
..onSecondaryTapDown = (TapDownDetails details) {
recognized.add('secondaryDown');
}
..onSecondaryTapUp = (TapUpDetails details) {
recognized.add('secondaryUp');
}
..onSecondaryTapCancel = () {
recognized.add('secondaryCancel');
}
..onTertiaryTapDown = (TapDownDetails details) {
recognized.add('tertiaryDown');
}
..onTertiaryTapUp = (TapUpDetails details) {
recognized.add('tertiaryUp');
}
..onTertiaryTapCancel = () {
recognized.add('tertiaryCancel');
};
});
tearDown(() {
recognized.clear();
tap.dispose();
});
testGesture('A primary tap should trigger primary callbacks', (GestureTester tester) {
tap.addPointer(down1);
tester.closeArena(down1.pointer);
expect(recognized, <String>[]);
tester.async.elapse(const Duration(milliseconds: 500));
expect(recognized, <String>['primaryDown']);
recognized.clear();
tester.route(up1);
expect(recognized, <String>['primaryUp', 'primary']);
GestureBinding.instance!.gestureArena.sweep(down1.pointer);
});
testGesture('A primary tap cancel trigger primary callbacks', (GestureTester tester) {
tap.addPointer(down1);
tester.closeArena(down1.pointer);
expect(recognized, <String>[]);
tester.async.elapse(const Duration(milliseconds: 500));
expect(recognized, <String>['primaryDown']);
recognized.clear();
tester.route(cancel1);
expect(recognized, <String>['primaryCancel']);
GestureBinding.instance!.gestureArena.sweep(down1.pointer);
});
testGesture('A secondary tap should trigger secondary callbacks', (GestureTester tester) {
tap.addPointer(down5);
tester.closeArena(down5.pointer);
expect(recognized, <String>[]);
tester.async.elapse(const Duration(milliseconds: 500));
expect(recognized, <String>['secondaryDown']);
recognized.clear();
tester.route(up5);
GestureBinding.instance!.gestureArena.sweep(down5.pointer);
expect(recognized, <String>['secondaryUp']);
});
testGesture('A tertiary tap should trigger tertiary callbacks', (GestureTester tester) {
tap.addPointer(down6);
tester.closeArena(down6.pointer);
expect(recognized, <String>[]);
tester.async.elapse(const Duration(milliseconds: 500));
expect(recognized, <String>['tertiaryDown']);
recognized.clear();
tester.route(up6);
GestureBinding.instance!.gestureArena.sweep(down6.pointer);
expect(recognized, <String>['tertiaryUp']);
});
testGesture('A secondary tap cancel should trigger secondary callbacks', (GestureTester tester) {
tap.addPointer(down5);
tester.closeArena(down5.pointer);
expect(recognized, <String>[]);
tester.async.elapse(const Duration(milliseconds: 500));
expect(recognized, <String>['secondaryDown']);
recognized.clear();
tester.route(cancel5);
GestureBinding.instance!.gestureArena.sweep(down5.pointer);
expect(recognized, <String>['secondaryCancel']);
});
testGesture('A tertiary tap cancel should trigger tertiary callbacks', (GestureTester tester) {
tap.addPointer(down6);
tester.closeArena(down6.pointer);
expect(recognized, <String>[]);
tester.async.elapse(const Duration(milliseconds: 500));
expect(recognized, <String>['tertiaryDown']);
recognized.clear();
tester.route(cancel6);
GestureBinding.instance!.gestureArena.sweep(down6.pointer);
expect(recognized, <String>['tertiaryCancel']);
});
});
testGesture('A second tap after rejection is ignored', (GestureTester tester) {
bool didTap = false;
final TapGestureRecognizer tap = TapGestureRecognizer()
..onTap = () {
didTap = true;
};
// Add drag recognizer for competition
final HorizontalDragGestureRecognizer drag = HorizontalDragGestureRecognizer()
..onStart = (_) {};
final TestPointer pointer1 = TestPointer();
final PointerDownEvent down = pointer1.down(Offset.zero);
drag.addPointer(down);
tap.addPointer(down);
tester.closeArena(1);
// One-finger moves, canceling the tap
tester.route(down);
tester.route(pointer1.move(const Offset(50.0, 0)));
// Add another finger
final TestPointer pointer2 = TestPointer(2);
final PointerDownEvent down2 = pointer2.down(const Offset(10.0, 20.0));
drag.addPointer(down2);
tap.addPointer(down2);
tester.closeArena(2);
tester.route(down2);
expect(didTap, isFalse);
});
}