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// 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/rendering.dart';
import 'package:flutter_test/flutter_test.dart';
import 'mock_canvas.dart';
import 'rendering_tester.dart';
RenderBox sizedBox(double width, double height) {
return RenderConstrainedBox(
additionalConstraints: BoxConstraints.tight(Size(width, height)),
);
}
void main() {
TestRenderingFlutterBinding.ensureInitialized();
test('Table control test; tight', () {
RenderTable table;
layout(table = RenderTable(textDirection: TextDirection.ltr));
expect(table.size.width, equals(800.0));
expect(table.size.height, equals(600.0));
expect(table, hasAGoodToStringDeep);
expect(
table.toStringDeep(minLevel: DiagnosticLevel.info),
equalsIgnoringHashCodes(
'RenderTable#00000 NEEDS-PAINT\n'
' │ parentData: <none>\n'
' │ constraints: BoxConstraints(w=800.0, h=600.0)\n'
' │ size: Size(800.0, 600.0)\n'
' │ default column width: FlexColumnWidth(1.0)\n'
' │ table size: 0×0\n'
' │ column offsets: unknown\n'
' │ row offsets: []\n'
' │\n'
' └─table is empty\n',
),
);
});
test('Table control test; loose', () {
RenderTable table;
layout(RenderPositionedBox(child: table = RenderTable(textDirection: TextDirection.ltr)));
expect(table.size, equals(Size.zero));
});
test('Table control test: constrained flex columns', () {
final RenderTable table = RenderTable(textDirection: TextDirection.ltr);
final List<RenderBox> children = List<RenderBox>.generate(6, (_) => RenderPositionedBox());
table.setFlatChildren(6, children);
layout(table, constraints: const BoxConstraints.tightFor(width: 100.0));
const double expectedWidth = 100.0 / 6;
for (final RenderBox child in children) {
expect(child.size.width, moreOrLessEquals(expectedWidth));
}
});
test('Table test: combinations', () {
RenderTable table;
layout(RenderPositionedBox(child: table = RenderTable(
columns: 5,
rows: 5,
defaultColumnWidth: const IntrinsicColumnWidth(),
textDirection: TextDirection.ltr,
defaultVerticalAlignment: TableCellVerticalAlignment.baseline,
textBaseline: TextBaseline.alphabetic,
)));
expect(table.size, equals(Size.zero));
table.setChild(2, 4, sizedBox(100.0, 200.0));
pumpFrame();
expect(table.size, equals(const Size(100.0, 200.0)));
table.setChild(0, 0, sizedBox(10.0, 30.0));
table.setChild(1, 0, sizedBox(20.0, 20.0));
table.setChild(2, 0, sizedBox(30.0, 10.0));
pumpFrame();
expect(table.size, equals(const Size(130.0, 230.0)));
expect(table, hasAGoodToStringDeep);
expect(
table.toStringDeep(minLevel: DiagnosticLevel.info),
equalsIgnoringHashCodes(
'RenderTable#00000 relayoutBoundary=up1 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE\n'
' │ parentData: offset=Offset(335.0, 185.0) (can use size)\n'
' │ constraints: BoxConstraints(0.0<=w<=800.0, 0.0<=h<=600.0)\n'
' │ size: Size(130.0, 230.0)\n'
' │ default column width: IntrinsicColumnWidth(flex: null)\n'
' │ table size: 5×5\n'
' │ column offsets: 0.0, 10.0, 30.0, 130.0, 130.0\n'
' │ row offsets: 0.0, 30.0, 30.0, 30.0, 30.0, 230.0\n'
' │\n'
' ├─child (0, 0): RenderConstrainedBox#00000 relayoutBoundary=up2 NEEDS-PAINT\n'
' │ parentData: offset=Offset(0.0, 0.0); default vertical alignment\n'
' │ (can use size)\n'
' │ constraints: BoxConstraints(w=10.0, 0.0<=h<=Infinity)\n'
' │ size: Size(10.0, 30.0)\n'
' │ additionalConstraints: BoxConstraints(w=10.0, h=30.0)\n'
' │\n'
' ├─child (1, 0): RenderConstrainedBox#00000 relayoutBoundary=up2 NEEDS-PAINT\n'
' │ parentData: offset=Offset(10.0, 0.0); default vertical alignment\n'
' │ (can use size)\n'
' │ constraints: BoxConstraints(w=20.0, 0.0<=h<=Infinity)\n'
' │ size: Size(20.0, 20.0)\n'
' │ additionalConstraints: BoxConstraints(w=20.0, h=20.0)\n'
' │\n'
' ├─child (2, 0): RenderConstrainedBox#00000 relayoutBoundary=up2 NEEDS-PAINT\n'
' │ parentData: offset=Offset(30.0, 0.0); default vertical alignment\n'
' │ (can use size)\n'
' │ constraints: BoxConstraints(w=100.0, 0.0<=h<=Infinity)\n'
' │ size: Size(100.0, 10.0)\n'
' │ additionalConstraints: BoxConstraints(w=30.0, h=10.0)\n'
' │\n'
' ├─child (3, 0) is null\n'
' ├─child (4, 0) is null\n'
' ├─child (0, 1) is null\n'
' ├─child (1, 1) is null\n'
' ├─child (2, 1) is null\n'
' ├─child (3, 1) is null\n'
' ├─child (4, 1) is null\n'
' ├─child (0, 2) is null\n'
' ├─child (1, 2) is null\n'
' ├─child (2, 2) is null\n'
' ├─child (3, 2) is null\n'
' ├─child (4, 2) is null\n'
' ├─child (0, 3) is null\n'
' ├─child (1, 3) is null\n'
' ├─child (2, 3) is null\n'
' ├─child (3, 3) is null\n'
' ├─child (4, 3) is null\n'
' ├─child (0, 4) is null\n'
' ├─child (1, 4) is null\n'
' ├─child (2, 4): RenderConstrainedBox#00000 relayoutBoundary=up2 NEEDS-PAINT\n'
' │ parentData: offset=Offset(30.0, 30.0); default vertical alignment\n'
' │ (can use size)\n'
' │ constraints: BoxConstraints(w=100.0, 0.0<=h<=Infinity)\n'
' │ size: Size(100.0, 200.0)\n'
' │ additionalConstraints: BoxConstraints(w=100.0, h=200.0)\n'
' │\n'
' ├─child (3, 4) is null\n'
' └─child (4, 4) is null\n',
),
);
});
test('Table test: removing cells', () {
RenderTable table;
RenderBox child;
table = RenderTable(
columns: 5,
rows: 5,
textDirection: TextDirection.ltr,
);
table.setChild(4, 4, child = sizedBox(10.0, 10.0));
layout(table);
expect(child.attached, isTrue);
table.rows = 4;
expect(child.attached, isFalse);
});
test('Table test: replacing cells', () {
RenderTable table;
final RenderBox child1 = RenderPositionedBox();
final RenderBox child2 = RenderPositionedBox();
final RenderBox child3 = RenderPositionedBox();
table = RenderTable(textDirection: TextDirection.ltr);
table.setFlatChildren(3, <RenderBox>[
child1, RenderPositionedBox(), child2,
RenderPositionedBox(), child3, RenderPositionedBox(),
]);
expect(table.rows, equals(2));
layout(table);
table.setFlatChildren(3, <RenderBox>[
RenderPositionedBox(), child1, RenderPositionedBox(),
child2, RenderPositionedBox(), child3,
]);
pumpFrame();
table.setFlatChildren(3, <RenderBox>[
RenderPositionedBox(), child1, RenderPositionedBox(),
child2, RenderPositionedBox(), child3,
]);
pumpFrame();
expect(table.columns, equals(3));
expect(table.rows, equals(2));
});
test('Table border painting', () {
final RenderTable table = RenderTable(
textDirection: TextDirection.rtl,
border: TableBorder.all(),
);
layout(table);
table.setFlatChildren(1, <RenderBox>[ ]);
pumpFrame();
expect(table, paints..path()..path()..path()..path());
table.setFlatChildren(1, <RenderBox>[ RenderPositionedBox() ]);
pumpFrame();
expect(table, paints..path()..path()..path()..path());
table.setFlatChildren(1, <RenderBox>[ RenderPositionedBox(), RenderPositionedBox() ]);
pumpFrame();
expect(table, paints..path()..path()..path()..path()..path());
table.setFlatChildren(2, <RenderBox>[ RenderPositionedBox(), RenderPositionedBox() ]);
pumpFrame();
expect(table, paints..path()..path()..path()..path()..path());
table.setFlatChildren(2, <RenderBox>[
RenderPositionedBox(), RenderPositionedBox(),
RenderPositionedBox(), RenderPositionedBox(),
]);
pumpFrame();
expect(table, paints..path()..path()..path()..path()..path()..path());
table.setFlatChildren(3, <RenderBox>[
RenderPositionedBox(), RenderPositionedBox(), RenderPositionedBox(),
RenderPositionedBox(), RenderPositionedBox(), RenderPositionedBox(),
]);
pumpFrame();
expect(table, paints..path()..path()..path()..path()..path()..path());
});
test('Table flex sizing', () {
const BoxConstraints cellConstraints =
BoxConstraints.tightFor(width: 100, height: 100);
final RenderTable table = RenderTable(
textDirection: TextDirection.rtl,
children: <List<RenderBox>>[
List<RenderBox>.generate(
7,
(int _) => RenderConstrainedBox(additionalConstraints: cellConstraints),
),
],
columnWidths: const <int, TableColumnWidth>{
0: FlexColumnWidth(),
1: FlexColumnWidth(0.123),
2: FlexColumnWidth(0.123),
3: FlexColumnWidth(0.123),
4: FlexColumnWidth(0.123),
5: FlexColumnWidth(0.123),
6: FlexColumnWidth(0.123),
},
);
layout(table, constraints: BoxConstraints.tight(const Size(800.0, 600.0)));
expect(table.hasSize, true);
});
test('Table paints a borderRadius', () {
final RenderTable table = RenderTable(
textDirection: TextDirection.ltr,
border: TableBorder.all(borderRadius: const BorderRadius.all(Radius.circular(8.0))),
);
layout(table);
table.setFlatChildren(2, <RenderBox>[
RenderPositionedBox(), RenderPositionedBox(),
RenderPositionedBox(), RenderPositionedBox(),
]);
pumpFrame();
expect(table, paints
..path()
..path()
..drrect(
outer: RRect.fromLTRBR(0.0, 0.0, 800.0, 0.0, const Radius.circular(8.0)),
inner: RRect.fromLTRBR(1.0, 1.0, 799.0, -1.0, const Radius.circular(7.0)),
)
);
});
test('MaxColumnWidth.flex returns the correct result', () {
MaxColumnWidth columnWidth = const MaxColumnWidth(
FixedColumnWidth(100), // returns null from .flex
FlexColumnWidth(), // returns 1 from .flex
);
final double? flexValue = columnWidth.flex(<RenderBox>[]);
expect(flexValue, 1.0);
// Swap a and b, check for same result.
columnWidth = const MaxColumnWidth(
FlexColumnWidth(), // returns 1 from .flex
FixedColumnWidth(100), // returns null from .flex
);
// Same result.
expect(columnWidth.flex(<RenderBox>[]), flexValue);
});
test('MinColumnWidth.flex returns the correct result', () {
MinColumnWidth columnWidth = const MinColumnWidth(
FixedColumnWidth(100), // returns null from .flex
FlexColumnWidth(), // returns 1 from .flex
);
final double? flexValue = columnWidth.flex(<RenderBox>[]);
expect(flexValue, 1.0);
// Swap a and b, check for same result.
columnWidth = const MinColumnWidth(
FlexColumnWidth(), // returns 1 from .flex
FixedColumnWidth(100), // returns null from .flex
);
// Same result.
expect(columnWidth.flex(<RenderBox>[]), flexValue);
});
}