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Unverified Commit 801a6a7e authored by filaps's avatar filaps Committed by GitHub
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Fix SnackBar clipping when it is floating due to FloatingActionButton positioning (#47616)

parent 92a335e4
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Showing with 406 additions and 210 deletions
packages/flutter/lib/src/material/scaffold.dart
View file @ 801a6a7e
......@@ -547,9 +547,13 @@ class _ScaffoldLayout extends MultiChildLayoutDelegate {
if (snackBarSize == Size.zero) {
snackBarSize = layoutChild(_ScaffoldSlot.snackBar, fullWidthConstraints);
}
final double snackBarYOffsetBase = floatingActionButtonRect != null && isSnackBarFloating
? floatingActionButtonRect.top
: contentBottom;
double snackBarYOffsetBase;
if (floatingActionButtonRect.size != Size.zero && isSnackBarFloating)
snackBarYOffsetBase = floatingActionButtonRect.top;
else
snackBarYOffsetBase = contentBottom;
positionChild(_ScaffoldSlot.snackBar, Offset(0.0, snackBarYOffsetBase - snackBarSize.height));
}
......
packages/flutter/test/material/snack_bar_test.dart
View file @ 801a6a7e
......@@ -470,58 +470,62 @@ void main() {
expect(snackBarBottomRight.dy - actionTextBottomRight.dy, 17.0 + 40.0); // margin + bottom padding
}, skip: isBrowser);
testWidgets('SnackBar is positioned above BottomNavigationBar', (WidgetTester tester) async {
await tester.pumpWidget(MaterialApp(
home: MediaQuery(
data: const MediaQueryData(
padding: EdgeInsets.only(
left: 10.0,
top: 20.0,
right: 30.0,
bottom: 40.0,
),
),
child: Scaffold(
bottomNavigationBar: BottomNavigationBar(
items: const <BottomNavigationBarItem>[
BottomNavigationBarItem(icon: Icon(Icons.favorite), title: Text('Animutation')),
BottomNavigationBarItem(icon: Icon(Icons.block), title: Text('Zombo.com')),
],
testWidgets(
'Custom padding between SnackBar and its contents when set to SnackBarBehavior.fixed',
(WidgetTester tester) async {
await tester.pumpWidget(MaterialApp(
home: MediaQuery(
data: const MediaQueryData(
padding: EdgeInsets.only(
left: 10.0,
top: 20.0,
right: 30.0,
bottom: 40.0,
),
),
body: Builder(
builder: (BuildContext context) {
return GestureDetector(
onTap: () {
Scaffold.of(context).showSnackBar(SnackBar(
content: const Text('I am a snack bar.'),
duration: const Duration(seconds: 2),
action: SnackBarAction(label: 'ACTION', onPressed: () { }),
));
},
child: const Text('X'),
);
}
child: Scaffold(
bottomNavigationBar: BottomNavigationBar(
items: const <BottomNavigationBarItem>[
BottomNavigationBarItem(icon: Icon(Icons.favorite), title: Text('Animutation')),
BottomNavigationBarItem(icon: Icon(Icons.block), title: Text('Zombo.com')),
],
),
body: Builder(
builder: (BuildContext context) {
return GestureDetector(
onTap: () {
Scaffold.of(context).showSnackBar(SnackBar(
content: const Text('I am a snack bar.'),
duration: const Duration(seconds: 2),
action: SnackBarAction(label: 'ACTION', onPressed: () {}),
));
},
child: const Text('X'),
);
}
),
),
),
),
));
await tester.tap(find.text('X'));
await tester.pump(); // start animation
await tester.pump(const Duration(milliseconds: 750)); // Animation last frame.
final Offset textBottomLeft = tester.getBottomLeft(find.text('I am a snack bar.'));
final Offset textBottomRight = tester.getBottomRight(find.text('I am a snack bar.'));
final Offset actionTextBottomLeft = tester.getBottomLeft(find.text('ACTION'));
final Offset actionTextBottomRight = tester.getBottomRight(find.text('ACTION'));
final Offset snackBarBottomLeft = tester.getBottomLeft(find.byType(SnackBar));
final Offset snackBarBottomRight = tester.getBottomRight(find.byType(SnackBar));
expect(textBottomLeft.dx - snackBarBottomLeft.dx, 24.0 + 10.0); // margin + left padding
expect(snackBarBottomLeft.dy - textBottomLeft.dy, 17.0); // margin (with no bottom padding)
expect(actionTextBottomLeft.dx - textBottomRight.dx, 24.0);
expect(snackBarBottomRight.dx - actionTextBottomRight.dx, 24.0 + 30.0); // margin + right padding
expect(snackBarBottomRight.dy - actionTextBottomRight.dy, 17.0); // margin (with no bottom padding)
}, skip: isBrowser);
));
await tester.tap(find.text('X'));
await tester.pump(); // start animation
await tester.pump(const Duration(milliseconds: 750)); // Animation last frame.
final Offset textBottomLeft = tester.getBottomLeft(find.text('I am a snack bar.'));
final Offset textBottomRight = tester.getBottomRight(find.text('I am a snack bar.'));
final Offset actionTextBottomLeft = tester.getBottomLeft(find.text('ACTION'));
final Offset actionTextBottomRight = tester.getBottomRight(find.text('ACTION'));
final Offset snackBarBottomLeft = tester.getBottomLeft(find.byType(SnackBar));
final Offset snackBarBottomRight = tester.getBottomRight(find.byType(SnackBar));
expect(textBottomLeft.dx - snackBarBottomLeft.dx, 24.0 + 10.0); // margin + left padding
expect(snackBarBottomLeft.dy - textBottomLeft.dy, 17.0); // margin (with no bottom padding)
expect(actionTextBottomLeft.dx - textBottomRight.dx, 24.0);
expect(snackBarBottomRight.dx - actionTextBottomRight.dx, 24.0 + 30.0); // margin + right padding
expect(snackBarBottomRight.dy - actionTextBottomRight.dy, 17.0); // margin (with no bottom padding)
},
skip: isBrowser,
);
testWidgets('SnackBar should push FloatingActionButton above', (WidgetTester tester) async {
await tester.pumpWidget(MaterialApp(
......@@ -557,70 +561,28 @@ void main() {
),
));
final Offset floatingActionButtonOriginBottomCenter = tester.getCenter(find.byType(FloatingActionButton));
// Get the Rect of the FAB to compare after the SnackBar appears.
final Rect originalFabRect = tester.getRect(find.byType(FloatingActionButton));
await tester.tap(find.text('X'));
await tester.pump(); // start animation
await tester.pump(const Duration(milliseconds: 750)); // Animation last frame.
final Offset snackBarTopCenter = tester.getCenter(find.byType(SnackBar));
final Offset floatingActionButtonBottomCenter = tester.getCenter(find.byType(FloatingActionButton));
final Rect fabRect = tester.getRect(find.byType(FloatingActionButton));
expect(floatingActionButtonOriginBottomCenter.dy > floatingActionButtonBottomCenter.dy, true);
expect(snackBarTopCenter.dy > floatingActionButtonBottomCenter.dy, true);
});
// FAB should shift upwards after SnackBar appears.
expect(fabRect.center.dy, lessThan(originalFabRect.center.dy));
testWidgets('Floating SnackBar button text alignment', (WidgetTester tester) async {
await tester.pumpWidget(MaterialApp(
theme: ThemeData(
snackBarTheme: const SnackBarThemeData(behavior: SnackBarBehavior.floating,)
),
home: MediaQuery(
data: const MediaQueryData(
padding: EdgeInsets.only(
left: 10.0,
top: 20.0,
right: 30.0,
bottom: 40.0,
),
),
child: Scaffold(
body: Builder(
builder: (BuildContext context) {
return GestureDetector(
onTap: () {
Scaffold.of(context).showSnackBar(SnackBar(
content: const Text('I am a snack bar.'),
duration: const Duration(seconds: 2),
action: SnackBarAction(label: 'ACTION', onPressed: () {}),
));
},
child: const Text('X'),
);
}
),
),
),
));
await tester.tap(find.text('X'));
await tester.pump(); // start animation
await tester.pump(const Duration(milliseconds: 750)); // Animation last frame.
final Offset snackBarTopRight = tester.getTopRight(find.byType(SnackBar));
final Offset textBottomLeft = tester.getBottomLeft(find.text('I am a snack bar.'));
final Offset textBottomRight = tester.getBottomRight(find.text('I am a snack bar.'));
final Offset actionTextBottomLeft = tester.getBottomLeft(find.text('ACTION'));
final Offset actionTextBottomRight = tester.getBottomRight(find.text('ACTION'));
final Offset snackBarBottomLeft = tester.getBottomLeft(find.byType(SnackBar));
final Offset snackBarBottomRight = tester.getBottomRight(find.byType(SnackBar));
// FAB's surrounding padding is set to [kFloatingActionButtonMargin] in floating_action_button_location.dart by default.
const int defaultFabPadding = 16;
expect(textBottomLeft.dx - snackBarBottomLeft.dx, 31.0 + 10.0); // margin + left padding
expect(snackBarBottomLeft.dy - textBottomLeft.dy, 27.0); // margin (with no bottom padding)
expect(actionTextBottomLeft.dx - textBottomRight.dx, 16.0);
expect(snackBarBottomRight.dx - actionTextBottomRight.dx, 31.0 + 30.0); // margin + right padding
expect(snackBarBottomRight.dy - actionTextBottomRight.dy, 27.0); // margin (with no bottom padding)
}, skip: isBrowser);
// FAB should be positioned above the SnackBar by the default padding.
expect(fabRect.bottomRight.dy, snackBarTopRight.dy - defaultFabPadding);
});
testWidgets('Floating SnackBar is positioned above BottomNavigationBar', (WidgetTester tester) async {
testWidgets('Floating SnackBar button text alignment', (WidgetTester tester) async {
await tester.pumpWidget(MaterialApp(
theme: ThemeData(
snackBarTheme: const SnackBarThemeData(behavior: SnackBarBehavior.floating,)
......@@ -635,12 +597,6 @@ void main() {
),
),
child: Scaffold(
bottomNavigationBar: BottomNavigationBar(
items: const <BottomNavigationBarItem>[
BottomNavigationBarItem(icon: Icon(Icons.favorite), title: Text('Animutation')),
BottomNavigationBarItem(icon: Icon(Icons.block), title: Text('Zombo.com')),
],
),
body: Builder(
builder: (BuildContext context) {
return GestureDetector(
......@@ -676,108 +632,65 @@ void main() {
expect(snackBarBottomRight.dy - actionTextBottomRight.dy, 27.0); // margin (with no bottom padding)
}, skip: isBrowser);
testWidgets('Floating SnackBar is positioned above FloatingActionButton', (WidgetTester tester) async {
await tester.pumpWidget(MaterialApp(
theme: ThemeData(
snackBarTheme: const SnackBarThemeData(behavior: SnackBarBehavior.floating,)
),
home: MediaQuery(
data: const MediaQueryData(
padding: EdgeInsets.only(
left: 10.0,
top: 20.0,
right: 30.0,
bottom: 40.0,
),
testWidgets(
'Custom padding between SnackBar and its contents when set to SnackBarBehavior.floating',
(WidgetTester tester) async {
await tester.pumpWidget(MaterialApp(
theme: ThemeData(
snackBarTheme: const SnackBarThemeData(behavior: SnackBarBehavior.floating)
),
child: Scaffold(
floatingActionButton: FloatingActionButton(
child: const Icon(Icons.send),
onPressed: () {},
home: MediaQuery(
data: const MediaQueryData(
padding: EdgeInsets.only(
left: 10.0,
top: 20.0,
right: 30.0,
bottom: 40.0,
),
),
body: Builder(
builder: (BuildContext context) {
return GestureDetector(
onTap: () {
Scaffold.of(context).showSnackBar(SnackBar(
content: const Text('I am a snack bar.'),
duration: const Duration(seconds: 2),
action: SnackBarAction(label: 'ACTION', onPressed: () {}),
));
},
child: const Text('X'),
);
}
child: Scaffold(
bottomNavigationBar: BottomNavigationBar(
items: const <BottomNavigationBarItem>[
BottomNavigationBarItem(icon: Icon(Icons.favorite), title: Text('Animutation')),
BottomNavigationBarItem(icon: Icon(Icons.block), title: Text('Zombo.com')),
],
),
body: Builder(
builder: (BuildContext context) {
return GestureDetector(
onTap: () {
Scaffold.of(context).showSnackBar(SnackBar(
content: const Text('I am a snack bar.'),
duration: const Duration(seconds: 2),
action: SnackBarAction(label: 'ACTION', onPressed: () {}),
));
},
child: const Text('X'),
);
}
),
),
),
),
));
await tester.tap(find.text('X'));
await tester.pump(); // start animation
await tester.pump(const Duration(milliseconds: 750)); // Animation last frame.
final Offset snackBarBottomCenter = tester.getBottomLeft(find.byType(SnackBar));
final Offset floatingActionButtonTopCenter = tester.getTopLeft(find.byType(FloatingActionButton));
// Since padding and margin is handled inside snackBarBox,
// the bottom offset of snackbar should equal with top offset of FAB
expect(snackBarBottomCenter.dy == floatingActionButtonTopCenter.dy, true);
});
testWidgets('SnackBar bottom padding is not consumed by viewInsets', (WidgetTester tester) async {
final Widget child = Directionality(
textDirection: TextDirection.ltr,
child: Scaffold(
resizeToAvoidBottomInset: false,
floatingActionButton: FloatingActionButton(
child: const Icon(Icons.send),
onPressed: () {},
),
body: Builder(
builder: (BuildContext context) {
return GestureDetector(
onTap: () {
Scaffold.of(context).showSnackBar(
SnackBar(
content: const Text('I am a snack bar.'),
duration: const Duration(seconds: 2),
action: SnackBarAction(label: 'ACTION', onPressed: () {}),
),
);
},
child: const Text('X'),
);
}
),
));
await tester.pumpWidget(
MediaQuery(
data: const MediaQueryData(
padding: EdgeInsets.only(bottom: 20.0),
),
child: child,
),
);
await tester.tap(find.text('X'));
await tester.pumpAndSettle(); // Show snackbar
final Offset initialPoint = tester.getCenter(find.byType(SnackBar));
// Consume bottom padding - as if by the keyboard opening
await tester.pumpWidget(
MediaQuery(
data: const MediaQueryData(
padding: EdgeInsets.zero,
viewPadding: EdgeInsets.only(bottom: 20),
viewInsets: EdgeInsets.only(bottom: 300),
),
child: child,
),
);
await tester.tap(find.text('X'));
await tester.pumpAndSettle();
final Offset finalPoint = tester.getCenter(find.byType(SnackBar));
expect(initialPoint, finalPoint);
});
));
await tester.tap(find.text('X'));
await tester.pump(); // start animation
await tester.pump(const Duration(milliseconds: 750)); // Animation last frame.
final Offset textBottomLeft = tester.getBottomLeft(find.text('I am a snack bar.'));
final Offset textBottomRight = tester.getBottomRight(find.text('I am a snack bar.'));
final Offset actionTextBottomLeft = tester.getBottomLeft(find.text('ACTION'));
final Offset actionTextBottomRight = tester.getBottomRight(find.text('ACTION'));
final Offset snackBarBottomLeft = tester.getBottomLeft(find.byType(SnackBar));
final Offset snackBarBottomRight = tester.getBottomRight(find.byType(SnackBar));
expect(textBottomLeft.dx - snackBarBottomLeft.dx, 31.0 + 10.0); // margin + left padding
expect(snackBarBottomLeft.dy - textBottomLeft.dy, 27.0); // margin (with no bottom padding)
expect(actionTextBottomLeft.dx - textBottomRight.dx, 16.0);
expect(snackBarBottomRight.dx - actionTextBottomRight.dx, 31.0 + 30.0); // margin + right padding
expect(snackBarBottomRight.dy - actionTextBottomRight.dy, 27.0); // margin (with no bottom padding)
},
skip: isBrowser,
);
testWidgets('SnackBarClosedReason', (WidgetTester tester) async {
final GlobalKey<ScaffoldState> scaffoldKey = GlobalKey<ScaffoldState>();
......@@ -1146,4 +1059,283 @@ void main() {
expect(find.text('hello'), findsOneWidget);
expect(called, 1);
});
group('SnackBar position', () {
for (final SnackBarBehavior behavior in SnackBarBehavior.values) {
final SnackBar snackBar = SnackBar(
content: const Text('SnackBar text'),
behavior: behavior,
);
testWidgets(
'$behavior should align SnackBar with the bottom of Scaffold '
'when Scaffold has no other elements',
(WidgetTester tester) async {
await tester.pumpWidget(
MaterialApp(
home: Scaffold(
body: Container(),
),
),
);
final ScaffoldState scaffoldState = tester.state(find.byType(Scaffold));
scaffoldState.showSnackBar(snackBar);
await tester.pumpAndSettle(); // Have the SnackBar fully animate out.
final Offset snackBarBottomRight = tester.getBottomRight(find.byType(SnackBar));
final Offset scaffoldBottomRight = tester.getBottomRight(find.byType(Scaffold));
expect(snackBarBottomRight, equals(scaffoldBottomRight));
final Offset snackBarBottomLeft = tester.getBottomLeft(find.byType(SnackBar));
final Offset scaffoldBottomLeft = tester.getBottomLeft(find.byType(Scaffold));
expect(snackBarBottomLeft, equals(scaffoldBottomLeft));
},
);
testWidgets(
'$behavior should align SnackBar with the top of BottomNavigationBar '
'when Scaffold has no FloatingActionButton',
(WidgetTester tester) async {
final UniqueKey boxKey = UniqueKey();
await tester.pumpWidget(
MaterialApp(
home: Scaffold(
body: Container(),
bottomNavigationBar: SizedBox(key: boxKey, width: 800, height: 60),
),
),
);
final ScaffoldState scaffoldState = tester.state(find.byType(Scaffold));
scaffoldState.showSnackBar(snackBar);
await tester.pumpAndSettle(); // Have the SnackBar fully animate out.
final Offset snackBarBottomRight = tester.getBottomRight(find.byType(SnackBar));
final Offset bottomNavigationBarTopRight = tester.getTopRight(find.byKey(boxKey));
expect(snackBarBottomRight, equals(bottomNavigationBarTopRight));
final Offset snackBarBottomLeft = tester.getBottomLeft(find.byType(SnackBar));
final Offset bottomNavigationBarTopLeft = tester.getTopLeft(find.byKey(boxKey));
expect(snackBarBottomLeft, equals(bottomNavigationBarTopLeft));
},
);
testWidgets(
'Padding of $behavior is not consumed by viewInsets',
(WidgetTester tester) async {
final Widget child = Directionality(
textDirection: TextDirection.ltr,
child: Scaffold(
resizeToAvoidBottomInset: false,
floatingActionButton: FloatingActionButton(
child: const Icon(Icons.send),
onPressed: () {},
),
body: Builder(
builder: (BuildContext context) {
return GestureDetector(
onTap: () {
Scaffold.of(context).showSnackBar(
SnackBar(
content: const Text('I am a snack bar.'),
duration: const Duration(seconds: 2),
action: SnackBarAction(label: 'ACTION', onPressed: () {}),
behavior: behavior,
),
);
},
child: const Text('X'),
);
},
),
),
);
await tester.pumpWidget(
MediaQuery(
data: const MediaQueryData(
padding: EdgeInsets.only(bottom: 20.0),
),
child: child,
),
);
await tester.tap(find.text('X'));
await tester.pumpAndSettle(); // Show snackbar
final Offset initialBottomLeft = tester.getBottomLeft(find.byType(SnackBar));
final Offset initialBottomRight = tester.getBottomRight(find.byType(SnackBar));
// Consume bottom padding - as if by the keyboard opening
await tester.pumpWidget(
MediaQuery(
data: const MediaQueryData(
padding: EdgeInsets.zero,
viewPadding: EdgeInsets.all(20),
viewInsets: EdgeInsets.all(100),
),
child: child,
),
);
await tester.tap(find.text('X'));
await tester.pumpAndSettle(); // Have the SnackBar fully animate out.
final Offset finalBottomLeft = tester.getBottomLeft(find.byType(SnackBar));
final Offset finalBottomRight = tester.getBottomRight(find.byType(SnackBar));
expect(initialBottomLeft, finalBottomLeft);
expect(initialBottomRight, finalBottomRight);
},
);
}
testWidgets(
'${SnackBarBehavior.fixed} should align SnackBar with the bottom of Scaffold '
'when Scaffold has a FloatingActionButton',
(WidgetTester tester) async {
await tester.pumpWidget(
MaterialApp(
home: Scaffold(
body: Container(),
floatingActionButton: FloatingActionButton(onPressed: () {}),
),
),
);
final ScaffoldState scaffoldState = tester.state(find.byType(Scaffold));
scaffoldState.showSnackBar(
const SnackBar(
content: Text('Snackbar text'),
behavior: SnackBarBehavior.fixed,
),
);
await tester.pumpAndSettle(); // Have the SnackBar fully animate out.
final Offset snackBarBottomRight = tester.getBottomRight(find.byType(SnackBar));
final Offset scaffoldBottomRight = tester.getBottomRight(find.byType(Scaffold));
expect(snackBarBottomRight, equals(scaffoldBottomRight));
final Offset snackBarBottomLeft = tester.getBottomLeft(find.byType(SnackBar));
final Offset scaffoldBottomLeft = tester.getBottomLeft(find.byType(Scaffold));
expect(snackBarBottomLeft, equals(scaffoldBottomLeft));
},
);
testWidgets(
'${SnackBarBehavior.floating} should align SnackBar with the top of FloatingActionButton'
'when Scaffold has a FloatingActionButton',
(WidgetTester tester) async {
await tester.pumpWidget(MaterialApp(
home: Scaffold(
floatingActionButton: FloatingActionButton(
child: const Icon(Icons.send),
onPressed: () {},
),
body: Builder(
builder: (BuildContext context) {
return GestureDetector(
onTap: () {
Scaffold.of(context).showSnackBar(SnackBar(
content: const Text('I am a snack bar.'),
duration: const Duration(seconds: 2),
action: SnackBarAction(label: 'ACTION', onPressed: () {}),
behavior: SnackBarBehavior.floating,
));
},
child: const Text('X'),
);
},
),
),
));
await tester.tap(find.text('X'));
await tester.pumpAndSettle(); // Have the SnackBar fully animate out.
final Offset snackBarBottomLeft = tester.getBottomLeft(find.byType(SnackBar));
final Offset floatingActionButtonTopLeft = tester.getTopLeft(
find.byType(FloatingActionButton),
);
// Since padding between the SnackBar and the FAB is created by the SnackBar,
// the bottom offset of the SnackBar should be equal to the top offset of the FAB
expect(snackBarBottomLeft.dy, floatingActionButtonTopLeft.dy);
},
);
testWidgets(
'${SnackBarBehavior.fixed} should align SnackBar with the top of BottomNavigationBar '
'when Scaffold has a BottomNavigationBar and FloatingActionButton',
(WidgetTester tester) async {
final UniqueKey boxKey = UniqueKey();
await tester.pumpWidget(
MaterialApp(
home: Scaffold(
body: Container(),
bottomNavigationBar: SizedBox(key: boxKey, width: 800, height: 60),
floatingActionButton: FloatingActionButton(onPressed: () {}),
),
),
);
final ScaffoldState scaffoldState = tester.state(find.byType(Scaffold));
scaffoldState.showSnackBar(
const SnackBar(
content: Text('SnackBar text'),
behavior: SnackBarBehavior.fixed,
),
);
await tester.pumpAndSettle(); // Have the SnackBar fully animate out.
final Offset snackBarBottomRight = tester.getBottomRight(find.byType(SnackBar));
final Offset bottomNavigationBarTopRight = tester.getTopRight(find.byKey(boxKey));
expect(snackBarBottomRight, equals(bottomNavigationBarTopRight));
final Offset snackBarBottomLeft = tester.getBottomLeft(find.byType(SnackBar));
final Offset bottomNavigationBarTopLeft = tester.getTopLeft(find.byKey(boxKey));
expect(snackBarBottomLeft, equals(bottomNavigationBarTopLeft));
},
);
testWidgets(
'${SnackBarBehavior.floating} should align SnackBar with the top of FloatingActionButton '
'when Scaffold has BottomNavigationBar and FloatingActionButton',
(WidgetTester tester) async {
final UniqueKey boxKey = UniqueKey();
await tester.pumpWidget(
MaterialApp(
home: Scaffold(
body: Container(),
bottomNavigationBar: SizedBox(key: boxKey, width: 800, height: 60),
floatingActionButton: FloatingActionButton(onPressed: () {}),
),
),
);
final ScaffoldState scaffoldState = tester.state(find.byType(Scaffold));
scaffoldState.showSnackBar(
const SnackBar(
content: Text('SnackBar text'),
behavior: SnackBarBehavior.floating,
),
);
await tester.pumpAndSettle(); // Have the SnackBar fully animate out.
final Offset snackBarBottomRight = tester.getBottomRight(find.byType(SnackBar));
final Offset fabTopRight = tester.getTopRight(find.byType(FloatingActionButton));
expect(snackBarBottomRight.dy, equals(fabTopRight.dy));
},
);
});
}
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