blob: 5879f26fec186a5f28f12793596ec29bef3488de [file] [log] [blame]
// Copyright 2015 The Chromium 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 'dart:ui' as ui;
import 'package:flutter_test/flutter_test.dart';
import 'package:flutter/widgets.dart';
void main() {
testWidgets('MediaQuery does not have a default', (WidgetTester tester) async {
bool tested = false;
await tester.pumpWidget(
new Builder(
builder: (BuildContext context) {
tested = true;
MediaQuery.of(context); // should throw
return new Container();
}
)
);
expect(tested, isTrue);
expect(tester.takeException(), isFlutterError);
});
testWidgets('MediaQuery defaults to null', (WidgetTester tester) async {
bool tested = false;
await tester.pumpWidget(
new Builder(
builder: (BuildContext context) {
final MediaQueryData data = MediaQuery.of(context, nullOk: true);
expect(data, isNull);
tested = true;
return new Container();
}
)
);
expect(tested, isTrue);
});
testWidgets('MediaQueryData is sane', (WidgetTester tester) async {
final MediaQueryData data = new MediaQueryData.fromWindow(ui.window);
expect(data, hasOneLineDescription);
expect(data.hashCode, equals(data.copyWith().hashCode));
expect(data.size, equals(ui.window.physicalSize / ui.window.devicePixelRatio));
});
testWidgets('MediaQueryData.copyWith defaults to source', (WidgetTester tester) async {
final MediaQueryData data = new MediaQueryData.fromWindow(ui.window);
final MediaQueryData copied = data.copyWith();
expect(copied.size, data.size);
expect(copied.devicePixelRatio, data.devicePixelRatio);
expect(copied.textScaleFactor, data.textScaleFactor);
expect(copied.padding, data.padding);
expect(copied.viewInsets, data.viewInsets);
expect(copied.alwaysUse24HourFormat, data.alwaysUse24HourFormat);
});
testWidgets('MediaQuery.copyWith copies specified values', (WidgetTester tester) async {
final MediaQueryData data = new MediaQueryData.fromWindow(ui.window);
final MediaQueryData copied = data.copyWith(
size: const Size(3.14, 2.72),
devicePixelRatio: 1.41,
textScaleFactor: 1.62,
padding: const EdgeInsets.all(9.10938),
viewInsets: const EdgeInsets.all(1.67262),
alwaysUse24HourFormat: true,
);
expect(copied.size, const Size(3.14, 2.72));
expect(copied.devicePixelRatio, 1.41);
expect(copied.textScaleFactor, 1.62);
expect(copied.padding, const EdgeInsets.all(9.10938));
expect(copied.viewInsets, const EdgeInsets.all(1.67262));
expect(copied.alwaysUse24HourFormat, true);
});
testWidgets('MediaQuery.removePadding removes specified padding', (WidgetTester tester) async {
const Size size = const Size(2.0, 4.0);
const double devicePixelRatio = 2.0;
const double textScaleFactor = 1.2;
const EdgeInsets padding = const EdgeInsets.only(top: 1.0, right: 2.0, left: 3.0, bottom: 4.0);
const EdgeInsets viewInsets = const EdgeInsets.only(top: 5.0, right: 6.0, left: 7.0, bottom: 8.0);
MediaQueryData unpadded;
await tester.pumpWidget(
new MediaQuery(
data: const MediaQueryData(
size: size,
devicePixelRatio: devicePixelRatio,
textScaleFactor: textScaleFactor,
padding: padding,
viewInsets: viewInsets,
alwaysUse24HourFormat: true,
),
child: new Builder(
builder: (BuildContext context) {
return new MediaQuery.removePadding(
context: context,
removeLeft: true,
removeTop: true,
removeRight: true,
removeBottom: true,
child: new Builder(
builder: (BuildContext context) {
unpadded = MediaQuery.of(context);
return new Container();
}
),
);
},
),
)
);
expect(unpadded.size, size);
expect(unpadded.devicePixelRatio, devicePixelRatio);
expect(unpadded.textScaleFactor, textScaleFactor);
expect(unpadded.padding, EdgeInsets.zero);
expect(unpadded.viewInsets, viewInsets);
expect(unpadded.alwaysUse24HourFormat, true);
});
testWidgets('MediaQuery.removeViewInsets removes specified viewInsets', (WidgetTester tester) async {
const Size size = const Size(2.0, 4.0);
const double devicePixelRatio = 2.0;
const double textScaleFactor = 1.2;
const EdgeInsets padding = const EdgeInsets.only(top: 5.0, right: 6.0, left: 7.0, bottom: 8.0);
const EdgeInsets viewInsets = const EdgeInsets.only(top: 1.0, right: 2.0, left: 3.0, bottom: 4.0);
MediaQueryData unpadded;
await tester.pumpWidget(
new MediaQuery(
data: const MediaQueryData(
size: size,
devicePixelRatio: devicePixelRatio,
textScaleFactor: textScaleFactor,
padding: padding,
viewInsets: viewInsets,
alwaysUse24HourFormat: true,
),
child: new Builder(
builder: (BuildContext context) {
return new MediaQuery.removeViewInsets(
context: context,
removeLeft: true,
removeTop: true,
removeRight: true,
removeBottom: true,
child: new Builder(
builder: (BuildContext context) {
unpadded = MediaQuery.of(context);
return new Container();
}
),
);
},
),
)
);
expect(unpadded.size, size);
expect(unpadded.devicePixelRatio, devicePixelRatio);
expect(unpadded.textScaleFactor, textScaleFactor);
expect(unpadded.padding, padding);
expect(unpadded.viewInsets, EdgeInsets.zero);
expect(unpadded.alwaysUse24HourFormat, true);
});
}