import 'package:flutter/gestures.dart'; import 'package:quiver/testing/async.dart'; import 'package:test/test.dart'; class TestGestureArenaMember extends GestureArenaMember { void acceptGesture(Object key) { accepted = true; } void rejectGesture(Object key) { rejected = true; } bool accepted = false; bool rejected = false; } void main() { // Down/up pair 1: normal tap sequence final PointerInputEvent down1 = new PointerInputEvent( pointer: 1, type: 'pointerdown', x: 10.0, y: 10.0 ); final PointerInputEvent up1 = new PointerInputEvent( pointer: 1, type: 'pointerup', x: 11.0, y: 9.0 ); // Down/up pair 2: normal tap sequence close to pair 1 final PointerInputEvent down2 = new PointerInputEvent( pointer: 2, type: 'pointerdown', x: 12.0, y: 12.0 ); final PointerInputEvent up2 = new PointerInputEvent( pointer: 2, type: 'pointerup', x: 13.0, y: 11.0 ); // Down/up pair 3: normal tap sequence far away from pair 1 final PointerInputEvent down3 = new PointerInputEvent( pointer: 3, type: 'pointerdown', x: 130.0, y: 130.0 ); final PointerInputEvent up3 = new PointerInputEvent( pointer: 3, type: 'pointerup', x: 131.0, y: 129.0 ); // Down/move/up sequence 4: intervening motion final PointerInputEvent down4 = new PointerInputEvent( pointer: 4, type: 'pointerdown', x: 10.0, y: 10.0 ); final PointerInputEvent move4 = new PointerInputEvent( pointer: 4, type: 'pointermove', x: 25.0, y: 25.0 ); final PointerInputEvent up4 = new PointerInputEvent( pointer: 4, type: 'pointerup', x: 25.0, y: 25.0 ); // Down/up pair 5: normal tap sequence identical to pair 1 with different pointer final PointerInputEvent down5 = new PointerInputEvent( pointer: 5, type: 'pointerdown', x: 10.0, y: 10.0 ); final PointerInputEvent up5 = new PointerInputEvent( pointer: 5, type: 'pointerup', x: 11.0, y: 9.0 ); test('Should recognize double tap', () { PointerRouter router = new PointerRouter(); DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer(router: router); bool doubleTapRecognized = false; tap.onDoubleTap = () { doubleTapRecognized = true; }; tap.addPointer(down1); GestureArena.instance.close(1); expect(doubleTapRecognized, isFalse); router.route(down1); expect(doubleTapRecognized, isFalse); router.route(up1); expect(doubleTapRecognized, isFalse); GestureArena.instance.sweep(1); expect(doubleTapRecognized, isFalse); tap.addPointer(down2); GestureArena.instance.close(2); expect(doubleTapRecognized, isFalse); router.route(down2); expect(doubleTapRecognized, isFalse); router.route(up2); expect(doubleTapRecognized, isTrue); GestureArena.instance.sweep(2); expect(doubleTapRecognized, isTrue); tap.dispose(); }); test('Inter-tap distance cancels double tap', () { PointerRouter router = new PointerRouter(); DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer(router: router); bool doubleTapRecognized = false; tap.onDoubleTap = () { doubleTapRecognized = true; }; tap.addPointer(down1); GestureArena.instance.close(1); expect(doubleTapRecognized, isFalse); router.route(down1); expect(doubleTapRecognized, isFalse); router.route(up1); expect(doubleTapRecognized, isFalse); GestureArena.instance.sweep(1); expect(doubleTapRecognized, isFalse); tap.addPointer(down3); GestureArena.instance.close(3); expect(doubleTapRecognized, isFalse); router.route(down3); expect(doubleTapRecognized, isFalse); router.route(up3); expect(doubleTapRecognized, isFalse); GestureArena.instance.sweep(3); expect(doubleTapRecognized, isFalse); tap.dispose(); }); test('Intra-tap distance cancels double tap', () { PointerRouter router = new PointerRouter(); DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer(router: router); bool doubleTapRecognized = false; tap.onDoubleTap = () { doubleTapRecognized = true; }; tap.addPointer(down4); GestureArena.instance.close(4); expect(doubleTapRecognized, isFalse); router.route(down4); expect(doubleTapRecognized, isFalse); router.route(move4); expect(doubleTapRecognized, isFalse); router.route(up4); expect(doubleTapRecognized, isFalse); GestureArena.instance.sweep(4); expect(doubleTapRecognized, isFalse); tap.addPointer(down1); GestureArena.instance.close(1); expect(doubleTapRecognized, isFalse); router.route(down2); expect(doubleTapRecognized, isFalse); router.route(up1); expect(doubleTapRecognized, isFalse); GestureArena.instance.sweep(1); expect(doubleTapRecognized, isFalse); tap.dispose(); }); test('Inter-tap delay cancels double tap', () { PointerRouter router = new PointerRouter(); DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer(router: router); bool doubleTapRecognized = false; tap.onDoubleTap = () { doubleTapRecognized = true; }; new FakeAsync().run((FakeAsync async) { tap.addPointer(down1); GestureArena.instance.close(1); expect(doubleTapRecognized, isFalse); router.route(down1); expect(doubleTapRecognized, isFalse); router.route(up1); expect(doubleTapRecognized, isFalse); GestureArena.instance.sweep(1); expect(doubleTapRecognized, isFalse); async.elapse(new Duration(milliseconds: 5000)); tap.addPointer(down2); GestureArena.instance.close(2); expect(doubleTapRecognized, isFalse); router.route(down2); expect(doubleTapRecognized, isFalse); router.route(up2); expect(doubleTapRecognized, isFalse); GestureArena.instance.sweep(2); expect(doubleTapRecognized, isFalse); }); tap.dispose(); }); test('Inter-tap delay resets double tap, allowing third tap to be a double-tap', () { PointerRouter router = new PointerRouter(); DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer(router: router); bool doubleTapRecognized = false; tap.onDoubleTap = () { doubleTapRecognized = true; }; new FakeAsync().run((FakeAsync async) { tap.addPointer(down1); GestureArena.instance.close(1); expect(doubleTapRecognized, isFalse); router.route(down1); expect(doubleTapRecognized, isFalse); router.route(up1); expect(doubleTapRecognized, isFalse); GestureArena.instance.sweep(1); expect(doubleTapRecognized, isFalse); async.elapse(new Duration(milliseconds: 5000)); tap.addPointer(down2); GestureArena.instance.close(2); expect(doubleTapRecognized, isFalse); router.route(down2); expect(doubleTapRecognized, isFalse); router.route(up2); expect(doubleTapRecognized, isFalse); GestureArena.instance.sweep(2); expect(doubleTapRecognized, isFalse); async.elapse(new Duration(milliseconds: 100)); tap.addPointer(down5); GestureArena.instance.close(5); expect(doubleTapRecognized, isFalse); router.route(down5); expect(doubleTapRecognized, isFalse); router.route(up5); expect(doubleTapRecognized, isTrue); GestureArena.instance.sweep(5); expect(doubleTapRecognized, isTrue); }); tap.dispose(); }); test('Intra-tap delay does not cancel double tap', () { PointerRouter router = new PointerRouter(); DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer(router: router); bool doubleTapRecognized = false; tap.onDoubleTap = () { doubleTapRecognized = true; }; new FakeAsync().run((FakeAsync async) { tap.addPointer(down1); GestureArena.instance.close(1); expect(doubleTapRecognized, isFalse); router.route(down1); expect(doubleTapRecognized, isFalse); async.elapse(new Duration(milliseconds: 1000)); router.route(up1); expect(doubleTapRecognized, isFalse); GestureArena.instance.sweep(1); expect(doubleTapRecognized, isFalse); tap.addPointer(down2); GestureArena.instance.close(2); expect(doubleTapRecognized, isFalse); router.route(down2); expect(doubleTapRecognized, isFalse); router.route(up2); expect(doubleTapRecognized, isTrue); GestureArena.instance.sweep(2); expect(doubleTapRecognized, isTrue); }); tap.dispose(); }); test('Should not recognize two overlapping taps', () { PointerRouter router = new PointerRouter(); DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer(router: router); bool doubleTapRecognized = false; tap.onDoubleTap = () { doubleTapRecognized = true; }; tap.addPointer(down1); GestureArena.instance.close(1); expect(doubleTapRecognized, isFalse); router.route(down1); expect(doubleTapRecognized, isFalse); tap.addPointer(down2); GestureArena.instance.close(2); expect(doubleTapRecognized, isFalse); router.route(down1); expect(doubleTapRecognized, isFalse); router.route(up1); expect(doubleTapRecognized, isFalse); GestureArena.instance.sweep(1); expect(doubleTapRecognized, isFalse); router.route(up2); expect(doubleTapRecognized, isFalse); GestureArena.instance.sweep(2); expect(doubleTapRecognized, isFalse); tap.dispose(); }); test('Should recognize one tap of group followed by second tap', () { PointerRouter router = new PointerRouter(); DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer(router: router); bool doubleTapRecognized = false; tap.onDoubleTap = () { doubleTapRecognized = true; }; tap.addPointer(down1); GestureArena.instance.close(1); expect(doubleTapRecognized, isFalse); router.route(down1); expect(doubleTapRecognized, isFalse); tap.addPointer(down2); GestureArena.instance.close(2); expect(doubleTapRecognized, isFalse); router.route(down1); expect(doubleTapRecognized, isFalse); router.route(up1); expect(doubleTapRecognized, isFalse); GestureArena.instance.sweep(1); expect(doubleTapRecognized, isFalse); router.route(up2); expect(doubleTapRecognized, isFalse); GestureArena.instance.sweep(2); expect(doubleTapRecognized, isFalse); tap.addPointer(down1); GestureArena.instance.close(1); expect(doubleTapRecognized, isFalse); router.route(down1); expect(doubleTapRecognized, isFalse); router.route(up1); expect(doubleTapRecognized, isTrue); GestureArena.instance.sweep(1); expect(doubleTapRecognized, isTrue); tap.dispose(); }); test('Should cancel on arena reject during first tap', () { PointerRouter router = new PointerRouter(); DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer(router: router); bool doubleTapRecognized = false; tap.onDoubleTap = () { doubleTapRecognized = true; }; tap.addPointer(down1); TestGestureArenaMember member = new TestGestureArenaMember(); GestureArenaEntry entry = GestureArena.instance.add(1, member); GestureArena.instance.close(1); expect(doubleTapRecognized, isFalse); router.route(down1); expect(doubleTapRecognized, isFalse); router.route(up1); expect(doubleTapRecognized, isFalse); entry.resolve(GestureDisposition.accepted); expect(member.accepted, isTrue); expect(doubleTapRecognized, isFalse); GestureArena.instance.sweep(1); expect(doubleTapRecognized, isFalse); tap.addPointer(down2); GestureArena.instance.close(2); expect(doubleTapRecognized, isFalse); router.route(down2); expect(doubleTapRecognized, isFalse); router.route(up2); expect(doubleTapRecognized, isFalse); GestureArena.instance.sweep(2); expect(doubleTapRecognized, isFalse); tap.dispose(); }); test('Should cancel on arena reject between taps', () { PointerRouter router = new PointerRouter(); DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer(router: router); bool doubleTapRecognized = false; tap.onDoubleTap = () { doubleTapRecognized = true; }; tap.addPointer(down1); TestGestureArenaMember member = new TestGestureArenaMember(); GestureArenaEntry entry = GestureArena.instance.add(1, member); GestureArena.instance.close(1); expect(doubleTapRecognized, isFalse); router.route(down1); expect(doubleTapRecognized, isFalse); router.route(up1); expect(doubleTapRecognized, isFalse); GestureArena.instance.sweep(1); expect(doubleTapRecognized, isFalse); entry.resolve(GestureDisposition.accepted); expect(member.accepted, isTrue); tap.addPointer(down2); GestureArena.instance.close(2); expect(doubleTapRecognized, isFalse); router.route(down2); expect(doubleTapRecognized, isFalse); router.route(up2); expect(doubleTapRecognized, isFalse); GestureArena.instance.sweep(2); expect(doubleTapRecognized, isFalse); tap.dispose(); }); test('Should cancel on arena reject during last tap', () { PointerRouter router = new PointerRouter(); DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer(router: router); bool doubleTapRecognized = false; tap.onDoubleTap = () { doubleTapRecognized = true; }; tap.addPointer(down1); TestGestureArenaMember member = new TestGestureArenaMember(); GestureArenaEntry entry = GestureArena.instance.add(1, member); GestureArena.instance.close(1); expect(doubleTapRecognized, isFalse); router.route(down1); expect(doubleTapRecognized, isFalse); router.route(up1); expect(doubleTapRecognized, isFalse); GestureArena.instance.sweep(1); expect(doubleTapRecognized, isFalse); tap.addPointer(down2); GestureArena.instance.close(2); expect(doubleTapRecognized, isFalse); router.route(down2); expect(doubleTapRecognized, isFalse); entry.resolve(GestureDisposition.accepted); expect(member.accepted, isTrue); router.route(up2); expect(doubleTapRecognized, isFalse); GestureArena.instance.sweep(2); expect(doubleTapRecognized, isFalse); tap.dispose(); }); test('Passive gesture should trigger on double tap cancel', () { PointerRouter router = new PointerRouter(); DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer(router: router); bool doubleTapRecognized = false; tap.onDoubleTap = () { doubleTapRecognized = true; }; new FakeAsync().run((FakeAsync async) { tap.addPointer(down1); TestGestureArenaMember member = new TestGestureArenaMember(); GestureArena.instance.add(1, member); GestureArena.instance.close(1); expect(doubleTapRecognized, isFalse); router.route(down1); expect(doubleTapRecognized, isFalse); router.route(up1); expect(doubleTapRecognized, isFalse); GestureArena.instance.sweep(1); expect(doubleTapRecognized, isFalse); expect(member.accepted, isFalse); async.elapse(new Duration(milliseconds: 5000)); expect(member.accepted, isTrue); }); tap.dispose(); }); }