| // 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'; |
| |
| void main() { |
| testWidgets('debugPrintGestureArenaDiagnostics', (WidgetTester tester) async { |
| PointerEvent event; |
| debugPrintGestureArenaDiagnostics = true; |
| final DebugPrintCallback oldCallback = debugPrint; |
| final List<String> log = <String>[]; |
| debugPrint = (String s, { int wrapWidth }) { log.add(s); }; |
| |
| final TapGestureRecognizer tap = TapGestureRecognizer() |
| ..onTapDown = (TapDownDetails details) { } |
| ..onTapUp = (TapUpDetails details) { } |
| ..onTap = () { } |
| ..onTapCancel = () { }; |
| expect(log, isEmpty); |
| |
| event = const PointerDownEvent(pointer: 1, position: Offset(10.0, 10.0)); |
| tap.addPointer(event as PointerDownEvent); |
| expect(log, hasLength(2)); |
| expect(log[0], equalsIgnoringHashCodes('Gesture arena 1 ❙ ★ Opening new gesture arena.')); |
| expect(log[1], equalsIgnoringHashCodes('Gesture arena 1 ❙ Adding: TapGestureRecognizer#00000(state: ready, button: 1)')); |
| log.clear(); |
| |
| GestureBinding.instance.gestureArena.close(1); |
| expect(log, hasLength(1)); |
| expect(log[0], equalsIgnoringHashCodes('Gesture arena 1 ❙ Closing with 1 member.')); |
| log.clear(); |
| |
| GestureBinding.instance.pointerRouter.route(event); |
| expect(log, isEmpty); |
| |
| event = const PointerUpEvent(pointer: 1, position: Offset(12.0, 8.0)); |
| GestureBinding.instance.pointerRouter.route(event); |
| expect(log, isEmpty); |
| |
| GestureBinding.instance.gestureArena.sweep(1); |
| expect(log, hasLength(2)); |
| expect(log[0], equalsIgnoringHashCodes('Gesture arena 1 ❙ Sweeping with 1 member.')); |
| expect(log[1], equalsIgnoringHashCodes('Gesture arena 1 ❙ Winner: TapGestureRecognizer#00000(state: ready, finalPosition: Offset(12.0, 8.0), button: 1)')); |
| log.clear(); |
| |
| tap.dispose(); |
| expect(log, isEmpty); |
| |
| debugPrintGestureArenaDiagnostics = false; |
| debugPrint = oldCallback; |
| }); |
| |
| testWidgets('debugPrintRecognizerCallbacksTrace', (WidgetTester tester) async { |
| PointerEvent event; |
| debugPrintRecognizerCallbacksTrace = true; |
| final DebugPrintCallback oldCallback = debugPrint; |
| final List<String> log = <String>[]; |
| debugPrint = (String s, { int wrapWidth }) { log.add(s); }; |
| |
| final TapGestureRecognizer tap = TapGestureRecognizer() |
| ..onTapDown = (TapDownDetails details) { } |
| ..onTapUp = (TapUpDetails details) { } |
| ..onTap = () { } |
| ..onTapCancel = () { }; |
| expect(log, isEmpty); |
| |
| event = const PointerDownEvent(pointer: 1, position: Offset(10.0, 10.0)); |
| tap.addPointer(event as PointerDownEvent); |
| expect(log, isEmpty); |
| |
| GestureBinding.instance.gestureArena.close(1); |
| expect(log, isEmpty); |
| |
| GestureBinding.instance.pointerRouter.route(event); |
| expect(log, isEmpty); |
| |
| event = const PointerUpEvent(pointer: 1, position: Offset(12.0, 8.0)); |
| GestureBinding.instance.pointerRouter.route(event); |
| expect(log, isEmpty); |
| |
| GestureBinding.instance.gestureArena.sweep(1); |
| expect(log, hasLength(3)); |
| expect(log[0], equalsIgnoringHashCodes('TapGestureRecognizer#00000(state: ready, finalPosition: Offset(12.0, 8.0), button: 1) calling onTapDown callback.')); |
| expect(log[1], equalsIgnoringHashCodes('TapGestureRecognizer#00000(state: ready, won arena, finalPosition: Offset(12.0, 8.0), button: 1, sent tap down) calling onTapUp callback.')); |
| expect(log[2], equalsIgnoringHashCodes('TapGestureRecognizer#00000(state: ready, won arena, finalPosition: Offset(12.0, 8.0), button: 1, sent tap down) calling onTap callback.')); |
| log.clear(); |
| |
| tap.dispose(); |
| expect(log, isEmpty); |
| |
| debugPrintRecognizerCallbacksTrace = false; |
| debugPrint = oldCallback; |
| }); |
| |
| testWidgets('debugPrintGestureArenaDiagnostics and debugPrintRecognizerCallbacksTrace', (WidgetTester tester) async { |
| PointerEvent event; |
| debugPrintGestureArenaDiagnostics = true; |
| debugPrintRecognizerCallbacksTrace = true; |
| final DebugPrintCallback oldCallback = debugPrint; |
| final List<String> log = <String>[]; |
| debugPrint = (String s, { int wrapWidth }) { log.add(s); }; |
| |
| final TapGestureRecognizer tap = TapGestureRecognizer() |
| ..onTapDown = (TapDownDetails details) { } |
| ..onTapUp = (TapUpDetails details) { } |
| ..onTap = () { } |
| ..onTapCancel = () { }; |
| expect(log, isEmpty); |
| |
| event = const PointerDownEvent(pointer: 1, position: Offset(10.0, 10.0)); |
| tap.addPointer(event as PointerDownEvent); |
| expect(log, hasLength(2)); |
| expect(log[0], equalsIgnoringHashCodes('Gesture arena 1 ❙ ★ Opening new gesture arena.')); |
| expect(log[1], equalsIgnoringHashCodes('Gesture arena 1 ❙ Adding: TapGestureRecognizer#00000(state: ready, button: 1)')); |
| log.clear(); |
| |
| GestureBinding.instance.gestureArena.close(1); |
| expect(log, hasLength(1)); |
| expect(log[0], equalsIgnoringHashCodes('Gesture arena 1 ❙ Closing with 1 member.')); |
| log.clear(); |
| |
| GestureBinding.instance.pointerRouter.route(event); |
| expect(log, isEmpty); |
| |
| event = const PointerUpEvent(pointer: 1, position: Offset(12.0, 8.0)); |
| GestureBinding.instance.pointerRouter.route(event); |
| expect(log, isEmpty); |
| |
| GestureBinding.instance.gestureArena.sweep(1); |
| expect(log, hasLength(5)); |
| expect(log[0], equalsIgnoringHashCodes('Gesture arena 1 ❙ Sweeping with 1 member.')); |
| expect(log[1], equalsIgnoringHashCodes('Gesture arena 1 ❙ Winner: TapGestureRecognizer#00000(state: ready, finalPosition: Offset(12.0, 8.0), button: 1)')); |
| expect(log[2], equalsIgnoringHashCodes(' ❙ TapGestureRecognizer#00000(state: ready, finalPosition: Offset(12.0, 8.0), button: 1) calling onTapDown callback.')); |
| expect(log[3], equalsIgnoringHashCodes(' ❙ TapGestureRecognizer#00000(state: ready, won arena, finalPosition: Offset(12.0, 8.0), button: 1, sent tap down) calling onTapUp callback.')); |
| expect(log[4], equalsIgnoringHashCodes(' ❙ TapGestureRecognizer#00000(state: ready, won arena, finalPosition: Offset(12.0, 8.0), button: 1, sent tap down) calling onTap callback.')); |
| log.clear(); |
| |
| tap.dispose(); |
| expect(log, isEmpty); |
| |
| debugPrintGestureArenaDiagnostics = false; |
| debugPrintRecognizerCallbacksTrace = false; |
| debugPrint = oldCallback; |
| }); |
| |
| test('TapGestureRecognizer _sentTapDown toString', () { |
| final TapGestureRecognizer tap = TapGestureRecognizer() |
| ..onTap = () {}; // Add a callback so that event can be added |
| expect(tap.toString(), equalsIgnoringHashCodes('TapGestureRecognizer#00000(state: ready)')); |
| const PointerDownEvent event = PointerDownEvent(pointer: 1, position: Offset(10.0, 10.0)); |
| tap.addPointer(event); |
| tap.didExceedDeadline(); |
| expect(tap.toString(), equalsIgnoringHashCodes('TapGestureRecognizer#00000(state: possible, button: 1, sent tap down)')); |
| }); |
| } |