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abdullh.alsoleman
Front-End
Commits
dcdee4bb
Unverified
Commit
dcdee4bb
authored
Aug 27, 2020
by
Ming Lyu (CareF)
Committed by
GitHub
Aug 27, 2020
Browse files
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Add resampler unit test with widget (#64424)
parent
d7d12412
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2 changed files
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119 additions
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103 deletions
+119
-103
gesture_binding_resample_event_on_widget_test.dart
...stures/gesture_binding_resample_event_on_widget_test.dart
+119
-0
gesture_binding_test.dart
packages/flutter/test/gestures/gesture_binding_test.dart
+0
-103
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packages/flutter/test/gestures/gesture_binding_resample_event_on_widget_test.dart
0 → 100644
View file @
dcdee4bb
// 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.
// @dart = 2.8
// Logically this file should be part of `gesture_binding_test.dart` but is here
// due to conflict of `flutter_test` and `package:test`.
// See https://github.com/dart-lang/matcher/issues/98
// TODO(CareF): Consider combine this file back to `gesture_binding_test.dart`
// after #98 is fixed.
import
'dart:ui'
as
ui
;
import
'package:flutter/gestures.dart'
;
import
'package:flutter/widgets.dart'
;
import
'package:flutter_test/flutter_test.dart'
;
class
PointerDataAutomatedTestWidgetsFlutterBinding
extends
AutomatedTestWidgetsFlutterBinding
{
// PointerData injection would usually considerred device input and therefore
// blocked by [AutomatedTestWidgetsFlutterBinding]. Override this behavior
// to help events go into widget tree.
@override
void
dispatchEvent
(
PointerEvent
event
,
HitTestResult
hitTestResult
,
{
TestBindingEventSource
source
=
TestBindingEventSource
.
device
,
})
{
super
.
dispatchEvent
(
event
,
hitTestResult
,
source
:
TestBindingEventSource
.
test
);
}
}
void
main
(
)
{
final
TestWidgetsFlutterBinding
binding
=
PointerDataAutomatedTestWidgetsFlutterBinding
();
testWidgets
(
'PointerEvent resampling on a widget'
,
(
WidgetTester
tester
)
async
{
assert
(
WidgetsBinding
.
instance
==
binding
);
Duration
currentTestFrameTime
()
=>
Duration
(
milliseconds:
binding
.
clock
.
now
().
millisecondsSinceEpoch
);
final
Duration
epoch
=
currentTestFrameTime
();
final
ui
.
PointerDataPacket
packet
=
ui
.
PointerDataPacket
(
data:
<
ui
.
PointerData
>[
ui
.
PointerData
(
change:
ui
.
PointerChange
.
add
,
physicalX:
0.0
,
timeStamp:
epoch
+
const
Duration
(
milliseconds:
0
),
),
ui
.
PointerData
(
change:
ui
.
PointerChange
.
down
,
physicalX:
0.0
,
timeStamp:
epoch
+
const
Duration
(
milliseconds:
1
),
),
ui
.
PointerData
(
change:
ui
.
PointerChange
.
move
,
physicalX:
10.0
,
timeStamp:
epoch
+
const
Duration
(
milliseconds:
2
),
),
ui
.
PointerData
(
change:
ui
.
PointerChange
.
move
,
physicalX:
20.0
,
timeStamp:
epoch
+
const
Duration
(
milliseconds:
3
),
),
ui
.
PointerData
(
change:
ui
.
PointerChange
.
move
,
physicalX:
30.0
,
timeStamp:
epoch
+
const
Duration
(
milliseconds:
4
),
),
ui
.
PointerData
(
change:
ui
.
PointerChange
.
up
,
physicalX:
40.0
,
timeStamp:
epoch
+
const
Duration
(
milliseconds:
5
),
),
ui
.
PointerData
(
change:
ui
.
PointerChange
.
remove
,
physicalX:
40.0
,
timeStamp:
epoch
+
const
Duration
(
milliseconds:
6
),
),
],
);
final
List
<
PointerEvent
>
events
=
<
PointerEvent
>[];
await
tester
.
pumpWidget
(
Directionality
(
textDirection:
TextDirection
.
ltr
,
child:
Listener
(
onPointerDown:
(
PointerDownEvent
event
)
=>
events
.
add
(
event
),
onPointerMove:
(
PointerMoveEvent
event
)
=>
events
.
add
(
event
),
onPointerUp:
(
PointerUpEvent
event
)
=>
events
.
add
(
event
),
child:
const
Text
(
'test'
),
),
),
);
GestureBinding
.
instance
.
resamplingEnabled
=
true
;
const
Duration
kSamplingOffset
=
Duration
(
microseconds:
-
5500
);
GestureBinding
.
instance
.
samplingOffset
=
kSamplingOffset
;
ui
.
window
.
onPointerDataPacket
(
packet
);
expect
(
events
.
length
,
0
);
await
tester
.
pump
(
const
Duration
(
milliseconds:
7
));
expect
(
events
.
length
,
1
);
expect
(
events
[
0
].
runtimeType
,
equals
(
PointerDownEvent
));
expect
(
events
[
0
].
timeStamp
,
currentTestFrameTime
()
+
kSamplingOffset
);
expect
(
events
[
0
].
position
,
Offset
(
5.0
/
ui
.
window
.
devicePixelRatio
,
0.0
));
// Now the system time is epoch + 9ms
await
tester
.
pump
(
const
Duration
(
milliseconds:
2
));
expect
(
events
.
length
,
2
);
expect
(
events
[
1
].
timeStamp
,
currentTestFrameTime
()
+
kSamplingOffset
);
expect
(
events
[
1
].
runtimeType
,
equals
(
PointerMoveEvent
));
expect
(
events
[
1
].
position
,
Offset
(
25.0
/
ui
.
window
.
devicePixelRatio
,
0.0
));
expect
(
events
[
1
].
delta
,
Offset
(
20.0
/
ui
.
window
.
devicePixelRatio
,
0.0
));
// Now the system time is epoch + 11ms
await
tester
.
pump
(
const
Duration
(
milliseconds:
2
));
expect
(
events
.
length
,
3
);
expect
(
events
[
2
].
timeStamp
,
currentTestFrameTime
()
+
kSamplingOffset
);
expect
(
events
[
2
].
runtimeType
,
equals
(
PointerUpEvent
));
expect
(
events
[
2
].
position
,
Offset
(
40.0
/
ui
.
window
.
devicePixelRatio
,
0.0
));
});
}
packages/flutter/test/gestures/gesture_binding_test.dart
View file @
dcdee4bb
...
@@ -315,107 +315,4 @@ void main() {
...
@@ -315,107 +315,4 @@ void main() {
expect
(
events
[
4
].
buttons
,
equals
(
0
));
expect
(
events
[
4
].
buttons
,
equals
(
0
));
}
}
});
});
test
(
'Pointer event resampling'
,
()
{
const
ui
.
PointerDataPacket
packet
=
ui
.
PointerDataPacket
(
data:
<
ui
.
PointerData
>[
ui
.
PointerData
(
change:
ui
.
PointerChange
.
add
,
physicalX:
0.0
,
timeStamp:
Duration
(
milliseconds:
0
),
),
ui
.
PointerData
(
change:
ui
.
PointerChange
.
down
,
physicalX:
0.0
,
timeStamp:
Duration
(
milliseconds:
1
),
),
ui
.
PointerData
(
change:
ui
.
PointerChange
.
move
,
physicalX:
10.0
,
timeStamp:
Duration
(
milliseconds:
2
),
),
ui
.
PointerData
(
change:
ui
.
PointerChange
.
move
,
physicalX:
20.0
,
timeStamp:
Duration
(
milliseconds:
3
),
),
ui
.
PointerData
(
change:
ui
.
PointerChange
.
move
,
physicalX:
30.0
,
timeStamp:
Duration
(
milliseconds:
4
),
),
ui
.
PointerData
(
change:
ui
.
PointerChange
.
up
,
physicalX:
40.0
,
timeStamp:
Duration
(
milliseconds:
5
),
),
ui
.
PointerData
(
change:
ui
.
PointerChange
.
remove
,
physicalX:
40.0
,
timeStamp:
Duration
(
milliseconds:
6
),
),
],
);
final
List
<
PointerEvent
>
pointerRouterEvents
=
<
PointerEvent
>[];
GestureBinding
.
instance
.
pointerRouter
.
addGlobalRoute
(
pointerRouterEvents
.
add
);
final
List
<
PointerEvent
>
events
=
<
PointerEvent
>[];
_binding
.
callback
=
events
.
add
;
GestureBinding
.
instance
.
resamplingEnabled
=
true
;
GestureBinding
.
instance
.
samplingOffset
=
const
Duration
(
microseconds:
-
5500
);
ui
.
window
.
onPointerDataPacket
(
packet
);
// No pointer events should have been dispatched yet.
expect
(
events
.
length
,
0
);
// Frame callback should have been requested.
FrameCallback
callback
=
_binding
.
frameCallback
;
_binding
.
frameCallback
=
null
;
expect
(
callback
,
isNotNull
);
_binding
.
frameTime
=
const
Duration
(
milliseconds:
7
);
callback
(
Duration
.
zero
);
// One pointer event should have been dispatched.
expect
(
events
.
length
,
1
);
expect
(
events
[
0
].
runtimeType
,
equals
(
PointerDownEvent
));
expect
(
events
[
0
].
timeStamp
,
_binding
.
frameTime
+
GestureBinding
.
instance
.
samplingOffset
);
expect
(
events
[
0
].
position
,
Offset
(
5.0
/
ui
.
window
.
devicePixelRatio
,
0.0
));
// Second frame callback should have been requested.
callback
=
_binding
.
frameCallback
;
_binding
.
frameCallback
=
null
;
expect
(
callback
,
isNotNull
);
_binding
.
frameTime
=
const
Duration
(
milliseconds:
9
);
callback
(
Duration
.
zero
);
// Second pointer event should have been dispatched.
expect
(
events
.
length
,
2
);
expect
(
events
[
1
].
timeStamp
,
_binding
.
frameTime
+
GestureBinding
.
instance
.
samplingOffset
);
expect
(
events
[
1
].
runtimeType
,
equals
(
PointerMoveEvent
));
expect
(
events
[
1
].
position
,
Offset
(
25.0
/
ui
.
window
.
devicePixelRatio
,
0.0
));
expect
(
events
[
1
].
delta
,
Offset
(
20.0
/
ui
.
window
.
devicePixelRatio
,
0.0
));
// Third frame callback should have been requested.
callback
=
_binding
.
frameCallback
;
_binding
.
frameCallback
=
null
;
expect
(
callback
,
isNotNull
);
_binding
.
frameTime
=
const
Duration
(
milliseconds:
11
);
callback
(
Duration
.
zero
);
// Third pointer event should have been dispatched.
expect
(
events
.
length
,
3
);
expect
(
events
[
2
].
timeStamp
,
_binding
.
frameTime
+
GestureBinding
.
instance
.
samplingOffset
);
expect
(
events
[
2
].
runtimeType
,
equals
(
PointerUpEvent
));
expect
(
events
[
2
].
position
,
Offset
(
40.0
/
ui
.
window
.
devicePixelRatio
,
0.0
));
// No frame callback should have been requested.
callback
=
_binding
.
frameCallback
;
expect
(
callback
,
isNull
);
});
}
}
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