| // 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/gestures.dart'; |
| |
| import '../flutter_test_alternative.dart'; |
| |
| typedef GestureArenaCallback = void Function(Object key); |
| |
| const int primaryKey = 4; |
| |
| class TestGestureArenaMember extends GestureArenaMember { |
| bool acceptRan = false; |
| |
| @override |
| void acceptGesture(int key) { |
| expect(key, equals(primaryKey)); |
| acceptRan = true; |
| } |
| bool rejectRan = false; |
| |
| @override |
| void rejectGesture(int key) { |
| expect(key, equals(primaryKey)); |
| rejectRan = true; |
| } |
| } |
| |
| class GestureTester { |
| GestureArenaManager arena = GestureArenaManager(); |
| TestGestureArenaMember first = TestGestureArenaMember(); |
| TestGestureArenaMember second = TestGestureArenaMember(); |
| |
| GestureArenaEntry firstEntry; |
| void addFirst() { |
| firstEntry = arena.add(primaryKey, first); |
| } |
| |
| GestureArenaEntry secondEntry; |
| void addSecond() { |
| secondEntry = arena.add(primaryKey, second); |
| } |
| |
| void expectNothing() { |
| expect(first.acceptRan, isFalse); |
| expect(first.rejectRan, isFalse); |
| expect(second.acceptRan, isFalse); |
| expect(second.rejectRan, isFalse); |
| } |
| |
| void expectFirstWin() { |
| expect(first.acceptRan, isTrue); |
| expect(first.rejectRan, isFalse); |
| expect(second.acceptRan, isFalse); |
| expect(second.rejectRan, isTrue); |
| } |
| |
| void expectSecondWin() { |
| expect(first.acceptRan, isFalse); |
| expect(first.rejectRan, isTrue); |
| expect(second.acceptRan, isTrue); |
| expect(second.rejectRan, isFalse); |
| } |
| } |
| |
| void main() { |
| test('Should win by accepting', () { |
| final GestureTester tester = GestureTester(); |
| tester.addFirst(); |
| tester.addSecond(); |
| tester.arena.close(primaryKey); |
| tester.expectNothing(); |
| tester.firstEntry.resolve(GestureDisposition.accepted); |
| tester.expectFirstWin(); |
| }); |
| |
| test('Should win by sweep', () { |
| final GestureTester tester = GestureTester(); |
| tester.addFirst(); |
| tester.addSecond(); |
| tester.arena.close(primaryKey); |
| tester.expectNothing(); |
| tester.arena.sweep(primaryKey); |
| tester.expectFirstWin(); |
| }); |
| |
| test('Should win on release after hold sweep release', () { |
| final GestureTester tester = GestureTester(); |
| tester.addFirst(); |
| tester.addSecond(); |
| tester.arena.close(primaryKey); |
| tester.expectNothing(); |
| tester.arena.hold(primaryKey); |
| tester.expectNothing(); |
| tester.arena.sweep(primaryKey); |
| tester.expectNothing(); |
| tester.arena.release(primaryKey); |
| tester.expectFirstWin(); |
| }); |
| |
| test('Should win on sweep after hold release sweep', () { |
| final GestureTester tester = GestureTester(); |
| tester.addFirst(); |
| tester.addSecond(); |
| tester.arena.close(primaryKey); |
| tester.expectNothing(); |
| tester.arena.hold(primaryKey); |
| tester.expectNothing(); |
| tester.arena.release(primaryKey); |
| tester.expectNothing(); |
| tester.arena.sweep(primaryKey); |
| tester.expectFirstWin(); |
| }); |
| |
| test('Only first winner should win', () { |
| final GestureTester tester = GestureTester(); |
| tester.addFirst(); |
| tester.addSecond(); |
| tester.arena.close(primaryKey); |
| tester.expectNothing(); |
| tester.firstEntry.resolve(GestureDisposition.accepted); |
| tester.secondEntry.resolve(GestureDisposition.accepted); |
| tester.expectFirstWin(); |
| }); |
| |
| test('Only first winner should win, regardless of order', () { |
| final GestureTester tester = GestureTester(); |
| tester.addFirst(); |
| tester.addSecond(); |
| tester.arena.close(primaryKey); |
| tester.expectNothing(); |
| tester.secondEntry.resolve(GestureDisposition.accepted); |
| tester.firstEntry.resolve(GestureDisposition.accepted); |
| tester.expectSecondWin(); |
| }); |
| |
| test('Win before close is delayed to close', () { |
| final GestureTester tester = GestureTester(); |
| tester.addFirst(); |
| tester.addSecond(); |
| tester.expectNothing(); |
| tester.firstEntry.resolve(GestureDisposition.accepted); |
| tester.expectNothing(); |
| tester.arena.close(primaryKey); |
| tester.expectFirstWin(); |
| }); |
| |
| test('Win before close is delayed to close, and only first winner should win', () { |
| final GestureTester tester = GestureTester(); |
| tester.addFirst(); |
| tester.addSecond(); |
| tester.expectNothing(); |
| tester.firstEntry.resolve(GestureDisposition.accepted); |
| tester.secondEntry.resolve(GestureDisposition.accepted); |
| tester.expectNothing(); |
| tester.arena.close(primaryKey); |
| tester.expectFirstWin(); |
| }); |
| |
| test('Win before close is delayed to close, and only first winner should win, regardless of order', () { |
| final GestureTester tester = GestureTester(); |
| tester.addFirst(); |
| tester.addSecond(); |
| tester.expectNothing(); |
| tester.secondEntry.resolve(GestureDisposition.accepted); |
| tester.firstEntry.resolve(GestureDisposition.accepted); |
| tester.expectNothing(); |
| tester.arena.close(primaryKey); |
| tester.expectSecondWin(); |
| }); |
| } |