blob: f3f812ccf9c085e33c96106acff2529069226ac8 [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 '../foundation/leak_tracking.dart';
void main() {
testWidgetsWithLeakTracking('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;
});
testWidgetsWithLeakTracking('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;
});
testWidgetsWithLeakTracking('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)'));
GestureBinding.instance.gestureArena.close(1);
tap.dispose();
});
}