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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.
@Tags(<String>['reduced-test-set'])
library;
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
void main() {
Future<void> testBorder(WidgetTester tester, String name, StarBorder border,
{ShapeBorder? lerpTo, ShapeBorder? lerpFrom, double lerpAmount = 0}) async {
assert(lerpTo == null || lerpFrom == null); // They can't both be set.
ShapeBorder shape;
if (lerpTo != null) {
shape = border.lerpTo(lerpTo, lerpAmount)!;
} else if (lerpFrom != null) {
shape = border.lerpFrom(lerpFrom, lerpAmount)!;
} else {
shape = border;
}
await tester.pumpWidget(
Container(
alignment: Alignment.center,
width: 200,
height: 100,
decoration: ShapeDecoration(
color: const Color(0xff000000),
shape: shape,
),
),
);
await expectLater(
find.byType(Container),
matchesGoldenFile('painting.star_border.$name.png'),
);
}
test('StarBorder defaults', () {
const StarBorder star = StarBorder();
expect(star.side, BorderSide.none);
expect(star.points, 5);
expect(star.innerRadiusRatio, 0.4);
expect(star.rotation, 0);
expect(star.pointRounding, 0);
expect(star.valleyRounding, 0);
expect(star.squash, 0);
const StarBorder polygon = StarBorder.polygon();
expect(polygon.points, 5);
expect(polygon.pointRounding, 0);
expect(polygon.rotation, 0);
expect(polygon.squash, 0);
});
test('StarBorder copyWith, ==, hashCode', () {
const BorderSide side = BorderSide(width: 10.0, color: Color(0xff123456));
final StarBorder copy = const StarBorder().copyWith(
side: side,
points: 3,
innerRadiusRatio: 0.1,
pointRounding: 0.2,
valleyRounding: 0.3,
rotation: 180,
squash: 0.4,
);
const StarBorder expected = StarBorder(
side: side,
points: 3,
innerRadiusRatio: 0.1,
pointRounding: 0.2,
valleyRounding: 0.3,
rotation: 180,
squash: 0.4,
);
expect(const StarBorder(), equals(const StarBorder().copyWith()));
expect(copy, equals(expected));
expect(copy.hashCode, equals(expected.hashCode));
// Test that all properties are checked in operator==
expect(const StarBorder(), isNot(equals(const StarBorderSubclass())));
expect(copy, isNot(equals('Not a StarBorder')));
// Test that two StarBorders where the only difference is polygon vs star
// constructor compare as different (which they are, because
// _innerRadiusRatio is null on the polygon).
expect(
const StarBorder(
points: 3,
innerRadiusRatio: 1,
pointRounding: 0.2,
rotation: 180,
squash: 0.4,
),
isNot(equals(
const StarBorder.polygon(
sides: 3,
pointRounding: 0.2,
rotation: 180,
squash: 0.4,
),
)),
);
// Test that copies are unequal whenever any one of the properties changes.
expect(copy, equals(copy));
expect(copy, isNot(equals(copy.copyWith(side: const BorderSide()))));
expect(copy, isNot(equals(copy.copyWith(points: 10))));
expect(copy, isNot(equals(copy.copyWith(innerRadiusRatio: 0.5))));
expect(copy, isNot(equals(copy.copyWith(pointRounding: 0.5))));
expect(copy, isNot(equals(copy.copyWith(valleyRounding: 0.5))));
expect(copy, isNot(equals(copy.copyWith(rotation: 10))));
expect(copy, isNot(equals(copy.copyWith(squash: 0.0))));
});
testWidgets('StarBorder basic geometry', (WidgetTester tester) async {
await testBorder(tester, 'basic_star', const StarBorder());
await testBorder(tester, 'basic_polygon', const StarBorder.polygon());
});
testWidgets('StarBorder parameters', (WidgetTester tester) async {
await testBorder(tester, 'points_6', const StarBorder(points: 6));
await testBorder(tester, 'points_2', const StarBorder(points: 2));
await testBorder(tester, 'inner_radius_0', const StarBorder(innerRadiusRatio: 0.0));
await testBorder(tester, 'inner_radius_20', const StarBorder(innerRadiusRatio: 0.2));
await testBorder(tester, 'inner_radius_70', const StarBorder(innerRadiusRatio: 0.7));
await testBorder(tester, 'point_rounding_20', const StarBorder(pointRounding: 0.2));
await testBorder(tester, 'point_rounding_70', const StarBorder(pointRounding: 0.7));
await testBorder(tester, 'point_rounding_100', const StarBorder(pointRounding: 1.0));
await testBorder(tester, 'valley_rounding_20', const StarBorder(valleyRounding: 0.2));
await testBorder(tester, 'valley_rounding_70', const StarBorder(valleyRounding: 0.7));
await testBorder(tester, 'valley_rounding_100', const StarBorder(valleyRounding: 1.0));
await testBorder(tester, 'squash_2', const StarBorder(squash: 0.2));
await testBorder(tester, 'squash_7', const StarBorder(squash: 0.7));
await testBorder(tester, 'squash_10', const StarBorder(squash: 1.0));
await testBorder(tester, 'rotate_27', const StarBorder(rotation: 27));
await testBorder(tester, 'rotate_270', const StarBorder(rotation: 270));
await testBorder(tester, 'rotate_360', const StarBorder(rotation: 360));
await testBorder(tester, 'side_none', const StarBorder(side: BorderSide(style: BorderStyle.none)));
await testBorder(tester, 'side_1', const StarBorder(side: BorderSide(color: Color(0xffff0000))));
await testBorder(tester, 'side_10', const StarBorder(side: BorderSide(color: Color(0xffff0000), width: 10)));
await testBorder(tester, 'side_align_center', const StarBorder(side: BorderSide(color: Color(0xffff0000), strokeAlign: BorderSide.strokeAlignCenter)));
await testBorder(tester, 'side_align_outside', const StarBorder(side: BorderSide(color: Color(0xffff0000), strokeAlign: BorderSide.strokeAlignOutside)));
});
testWidgets('StarBorder.polygon parameters', (WidgetTester tester) async {
await testBorder(tester, 'poly_sides_6', const StarBorder.polygon(sides: 6));
await testBorder(tester, 'poly_sides_2', const StarBorder.polygon(sides: 2));
await testBorder(tester, 'poly_point_rounding_20', const StarBorder.polygon(pointRounding: 0.2));
await testBorder(tester, 'poly_point_rounding_70', const StarBorder.polygon(pointRounding: 0.7));
await testBorder(tester, 'poly_point_rounding_100', const StarBorder.polygon(pointRounding: 1.0));
await testBorder(tester, 'poly_squash_20', const StarBorder.polygon(squash: 0.2));
await testBorder(tester, 'poly_squash_70', const StarBorder.polygon(squash: 0.7));
await testBorder(tester, 'poly_squash_100', const StarBorder.polygon(squash: 1.0));
await testBorder(tester, 'poly_rotate_27', const StarBorder.polygon(rotation: 27));
await testBorder(tester, 'poly_rotate_270', const StarBorder.polygon(rotation: 270));
await testBorder(tester, 'poly_rotate_360', const StarBorder.polygon(rotation: 360));
await testBorder(tester, 'poly_side_none', const StarBorder.polygon(side: BorderSide(style: BorderStyle.none)));
await testBorder(tester, 'poly_side_1', const StarBorder.polygon(side: BorderSide(color: Color(0xffff0000))));
await testBorder(tester, 'poly_side_10', const StarBorder.polygon(side: BorderSide(color: Color(0xffff0000), width: 10)));
await testBorder(tester, 'poly_side_align_center', const StarBorder.polygon(side: BorderSide(color: Color(0xffff0000), strokeAlign: BorderSide.strokeAlignCenter)));
await testBorder(tester, 'poly_side_align_outside', const StarBorder.polygon(side: BorderSide(color: Color(0xffff0000), strokeAlign: BorderSide.strokeAlignOutside)));
});
testWidgets("StarBorder doesn't try to scale an infinite scale matrix", (WidgetTester tester) async {
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: Center(
child: SizedBox(
width: 100,
height: 100,
child: Stack(
children: <Widget>[
Positioned.fromRelativeRect(
rect: const RelativeRect.fromLTRB(100, 100, 100, 100),
child: Container(
decoration: const ShapeDecoration(
color: Colors.green,
shape: StarBorder(),
),
),
),
],
),
),
),
),
);
expect(tester.takeException(), isNull);
});
testWidgets('StarBorder lerped with StarBorder', (WidgetTester tester) async {
const StarBorder from = StarBorder();
const ShapeBorder otherBorder = StarBorder(
points: 6,
pointRounding: 0.5,
valleyRounding: 0.5,
innerRadiusRatio: 0.5,
rotation: 90,
);
await testBorder(tester, 'to_star_border_20', from, lerpTo: otherBorder, lerpAmount: 0.2);
await testBorder(tester, 'to_star_border_70', from, lerpTo: otherBorder, lerpAmount: 0.7);
await testBorder(tester, 'to_star_border_100', from, lerpTo: otherBorder, lerpAmount: 1.0);
await testBorder(tester, 'from_star_border_20', from, lerpFrom: otherBorder, lerpAmount: 0.2);
await testBorder(tester, 'from_star_border_70', from, lerpFrom: otherBorder, lerpAmount: 0.7);
await testBorder(tester, 'from_star_border_100', from, lerpFrom: otherBorder, lerpAmount: 1.0);
});
testWidgets('StarBorder lerped with CircleBorder', (WidgetTester tester) async {
const StarBorder from = StarBorder();
const ShapeBorder otherBorder = CircleBorder();
const ShapeBorder eccentricCircle = CircleBorder(eccentricity: 0.6);
await testBorder(tester, 'to_circle_border_20', from, lerpTo: otherBorder, lerpAmount: 0.2);
await testBorder(tester, 'to_circle_border_70', from, lerpTo: otherBorder, lerpAmount: 0.7);
await testBorder(tester, 'to_circle_border_100', from, lerpTo: otherBorder, lerpAmount: 1.0);
await testBorder(tester, 'from_circle_border_20', from, lerpFrom: otherBorder, lerpAmount: 0.2);
await testBorder(tester, 'from_circle_border_70', from, lerpFrom: otherBorder, lerpAmount: 0.7);
await testBorder(tester, 'from_circle_border_100', from, lerpFrom: otherBorder, lerpAmount: 1.0);
await testBorder(tester, 'to_eccentric_circle_border_20', from, lerpTo: eccentricCircle, lerpAmount: 0.2);
await testBorder(tester, 'to_eccentric_circle_border_70', from, lerpTo: eccentricCircle, lerpAmount: 0.7);
await testBorder(tester, 'to_eccentric_circle_border_100', from, lerpTo: eccentricCircle, lerpAmount: 1.0);
await testBorder(tester, 'from_eccentric_circle_border_20', from, lerpFrom: eccentricCircle, lerpAmount: 0.2);
await testBorder(tester, 'from_eccentric_circle_border_70', from, lerpFrom: eccentricCircle, lerpAmount: 0.7);
await testBorder(tester, 'from_eccentric_circle_border_100', from, lerpFrom: eccentricCircle, lerpAmount: 1.0);
});
testWidgets('StarBorder lerped with RoundedRectangleBorder', (WidgetTester tester) async {
const StarBorder from = StarBorder();
const RoundedRectangleBorder rectangleBorder = RoundedRectangleBorder();
await testBorder(tester, 'to_rect_border_20', from, lerpTo: rectangleBorder, lerpAmount: 0.2);
await testBorder(tester, 'to_rect_border_70', from, lerpTo: rectangleBorder, lerpAmount: 0.7);
await testBorder(tester, 'to_rect_border_100', from, lerpTo: rectangleBorder, lerpAmount: 1.0);
await testBorder(tester, 'from_rect_border_20', from, lerpFrom: rectangleBorder, lerpAmount: 0.2);
await testBorder(tester, 'from_rect_border_70', from, lerpFrom: rectangleBorder, lerpAmount: 0.7);
await testBorder(tester, 'from_rect_border_100', from, lerpFrom: rectangleBorder, lerpAmount: 1.0);
const RoundedRectangleBorder roundedRectBorder = RoundedRectangleBorder(
borderRadius: BorderRadius.only(
bottomLeft: Radius.circular(10.0),
bottomRight: Radius.circular(10.0),
),
);
await testBorder(tester, 'to_rrect_border_20', from, lerpTo: roundedRectBorder, lerpAmount: 0.2);
await testBorder(tester, 'to_rrect_border_70', from, lerpTo: roundedRectBorder, lerpAmount: 0.7);
await testBorder(tester, 'to_rrect_border_100', from, lerpTo: roundedRectBorder, lerpAmount: 1.0);
await testBorder(tester, 'from_rrect_border_20', from, lerpFrom: roundedRectBorder, lerpAmount: 0.2);
await testBorder(tester, 'from_rrect_border_70', from, lerpFrom: roundedRectBorder, lerpAmount: 0.7);
await testBorder(tester, 'from_rrect_border_100', from, lerpFrom: roundedRectBorder, lerpAmount: 1.0);
});
testWidgets('StarBorder lerped with StadiumBorder', (WidgetTester tester) async {
const StarBorder from = StarBorder();
const StadiumBorder stadiumBorder = StadiumBorder();
await testBorder(tester, 'to_stadium_border_20', from, lerpTo: stadiumBorder, lerpAmount: 0.2);
await testBorder(tester, 'to_stadium_border_70', from, lerpTo: stadiumBorder, lerpAmount: 0.7);
await testBorder(tester, 'to_stadium_border_100', from, lerpTo: stadiumBorder, lerpAmount: 1.0);
await testBorder(tester, 'from_stadium_border_20', from, lerpFrom: stadiumBorder, lerpAmount: 0.2);
await testBorder(tester, 'from_stadium_border_70', from, lerpFrom: stadiumBorder, lerpAmount: 0.7);
await testBorder(tester, 'from_stadium_border_100', from, lerpFrom: stadiumBorder, lerpAmount: 1.0);
});
}
class StarBorderSubclass extends StarBorder {
const StarBorderSubclass();
}