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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/painting.dart';
import 'package:flutter_test/flutter_test.dart';
import '../rendering/mock_canvas.dart';
import 'common_matchers.dart';
void main() {
test('RoundedRectangleBorder defaults', () {
const RoundedRectangleBorder border = RoundedRectangleBorder();
expect(border.side, BorderSide.none);
expect(border.borderRadius, BorderRadius.zero);
});
test('RoundedRectangleBorder copyWith, ==, hashCode', () {
expect(const RoundedRectangleBorder(), const RoundedRectangleBorder().copyWith());
expect(const RoundedRectangleBorder().hashCode, const RoundedRectangleBorder().copyWith().hashCode);
const BorderSide side = BorderSide(width: 10.0, color: Color(0xff123456));
const BorderRadius radius = BorderRadius.all(Radius.circular(16.0));
const BorderRadiusDirectional directionalRadius = BorderRadiusDirectional.all(Radius.circular(16.0));
expect(
const RoundedRectangleBorder().copyWith(side: side, borderRadius: radius),
const RoundedRectangleBorder(side: side, borderRadius: radius),
);
expect(
const RoundedRectangleBorder().copyWith(side: side, borderRadius: directionalRadius),
const RoundedRectangleBorder(side: side, borderRadius: directionalRadius),
);
});
test('RoundedRectangleBorder', () {
const RoundedRectangleBorder c10 = RoundedRectangleBorder(side: BorderSide(width: 10.0), borderRadius: BorderRadius.all(Radius.circular(100.0)));
const RoundedRectangleBorder c15 = RoundedRectangleBorder(side: BorderSide(width: 15.0), borderRadius: BorderRadius.all(Radius.circular(150.0)));
const RoundedRectangleBorder c20 = RoundedRectangleBorder(side: BorderSide(width: 20.0), borderRadius: BorderRadius.all(Radius.circular(200.0)));
expect(c10.dimensions, const EdgeInsets.all(10.0));
expect(c10.scale(2.0), c20);
expect(c20.scale(0.5), c10);
expect(ShapeBorder.lerp(c10, c20, 0.0), c10);
expect(ShapeBorder.lerp(c10, c20, 0.5), c15);
expect(ShapeBorder.lerp(c10, c20, 1.0), c20);
const RoundedRectangleBorder c1 = RoundedRectangleBorder(side: BorderSide(), borderRadius: BorderRadius.all(Radius.circular(1.0)));
const RoundedRectangleBorder c2 = RoundedRectangleBorder(side: BorderSide(), borderRadius: BorderRadius.all(Radius.circular(2.0)));
expect(c2.getInnerPath(Rect.fromCircle(center: Offset.zero, radius: 2.0)), isUnitCircle);
expect(c1.getOuterPath(Rect.fromCircle(center: Offset.zero, radius: 1.0)), isUnitCircle);
const Rect rect = Rect.fromLTRB(10.0, 20.0, 80.0, 190.0);
expect(
(Canvas canvas) => c10.paint(canvas, rect),
paints
..drrect(
outer: RRect.fromRectAndRadius(rect, const Radius.circular(100.0)),
inner: RRect.fromRectAndRadius(rect.deflate(10.0), const Radius.circular(90.0)),
strokeWidth: 0.0,
),
);
const RoundedRectangleBorder directional = RoundedRectangleBorder(
borderRadius: BorderRadiusDirectional.only(topStart: Radius.circular(20)),
);
expect(
ShapeBorder.lerp(directional, c10, 1.0),
ShapeBorder.lerp(c10, directional, 0.0),
);
});
test('RoundedRectangleBorder and CircleBorder', () {
const RoundedRectangleBorder r = RoundedRectangleBorder(borderRadius: BorderRadius.all(Radius.circular(10.0)));
const CircleBorder c = CircleBorder();
const Rect rect = Rect.fromLTWH(0.0, 0.0, 100.0, 20.0); // center is x=40..60 y=10
final Matcher looksLikeR = isPathThat(
includes: const <Offset>[ Offset(30.0, 10.0), Offset(50.0, 10.0), ],
excludes: const <Offset>[ Offset(1.0, 1.0), Offset(99.0, 19.0), ],
);
final Matcher looksLikeC = isPathThat(
includes: const <Offset>[ Offset(50.0, 10.0), ],
excludes: const <Offset>[ Offset(1.0, 1.0), Offset(30.0, 10.0), Offset(99.0, 19.0), ],
);
expect(r.getOuterPath(rect), looksLikeR);
expect(c.getOuterPath(rect), looksLikeC);
expect(ShapeBorder.lerp(r, c, 0.1)!.getOuterPath(rect), looksLikeR);
expect(ShapeBorder.lerp(r, c, 0.9)!.getOuterPath(rect), looksLikeC);
expect(ShapeBorder.lerp(ShapeBorder.lerp(r, c, 0.9), r, 0.1)!.getOuterPath(rect), looksLikeC);
expect(ShapeBorder.lerp(ShapeBorder.lerp(r, c, 0.9), r, 0.9)!.getOuterPath(rect), looksLikeR);
expect(ShapeBorder.lerp(ShapeBorder.lerp(r, c, 0.1), c, 0.1)!.getOuterPath(rect), looksLikeR);
expect(ShapeBorder.lerp(ShapeBorder.lerp(r, c, 0.1), c, 0.9)!.getOuterPath(rect), looksLikeC);
expect(ShapeBorder.lerp(ShapeBorder.lerp(r, c, 0.1), ShapeBorder.lerp(r, c, 0.9), 0.1)!.getOuterPath(rect), looksLikeR);
expect(ShapeBorder.lerp(ShapeBorder.lerp(r, c, 0.1), ShapeBorder.lerp(r, c, 0.9), 0.9)!.getOuterPath(rect), looksLikeC);
expect(ShapeBorder.lerp(r, ShapeBorder.lerp(r, c, 0.9), 0.1)!.getOuterPath(rect), looksLikeR);
expect(ShapeBorder.lerp(r, ShapeBorder.lerp(r, c, 0.9), 0.9)!.getOuterPath(rect), looksLikeC);
expect(ShapeBorder.lerp(c, ShapeBorder.lerp(r, c, 0.1), 0.1)!.getOuterPath(rect), looksLikeC);
expect(ShapeBorder.lerp(c, ShapeBorder.lerp(r, c, 0.1), 0.9)!.getOuterPath(rect), looksLikeR);
expect(
ShapeBorder.lerp(r, c, 0.1).toString(),
'RoundedRectangleBorder(BorderSide(width: 0.0, style: none), BorderRadius.circular(10.0), 10.0% of the way to being a CircleBorder)',
);
expect(
ShapeBorder.lerp(r, c, 0.2).toString(),
'RoundedRectangleBorder(BorderSide(width: 0.0, style: none), BorderRadius.circular(10.0), 20.0% of the way to being a CircleBorder)',
);
expect(
ShapeBorder.lerp(ShapeBorder.lerp(r, c, 0.1), ShapeBorder.lerp(r, c, 0.9), 0.9).toString(),
'RoundedRectangleBorder(BorderSide(width: 0.0, style: none), BorderRadius.circular(10.0), 82.0% of the way to being a CircleBorder)',
);
expect(
ShapeBorder.lerp(c, r, 0.9).toString(),
'RoundedRectangleBorder(BorderSide(width: 0.0, style: none), BorderRadius.circular(10.0), 10.0% of the way to being a CircleBorder)',
);
expect(
ShapeBorder.lerp(c, r, 0.8).toString(),
'RoundedRectangleBorder(BorderSide(width: 0.0, style: none), BorderRadius.circular(10.0), 20.0% of the way to being a CircleBorder)',
);
expect(
ShapeBorder.lerp(ShapeBorder.lerp(r, c, 0.9), ShapeBorder.lerp(r, c, 0.1), 0.1).toString(),
'RoundedRectangleBorder(BorderSide(width: 0.0, style: none), BorderRadius.circular(10.0), 82.0% of the way to being a CircleBorder)',
);
expect(ShapeBorder.lerp(r, c, 0.1), ShapeBorder.lerp(r, c, 0.1));
expect(ShapeBorder.lerp(r, c, 0.1).hashCode, ShapeBorder.lerp(r, c, 0.1).hashCode);
final ShapeBorder direct50 = ShapeBorder.lerp(r, c, 0.5)!;
final ShapeBorder indirect50 = ShapeBorder.lerp(ShapeBorder.lerp(c, r, 0.1), ShapeBorder.lerp(c, r, 0.9), 0.5)!;
expect(direct50, indirect50);
expect(direct50.hashCode, indirect50.hashCode);
expect(direct50.toString(), indirect50.toString());
});
test('RoundedRectangleBorder.dimensions and CircleBorder.dimensions', () {
const RoundedRectangleBorder insideRoundedRectangleBorder = RoundedRectangleBorder(side: BorderSide(width: 10));
expect(insideRoundedRectangleBorder.dimensions, const EdgeInsets.all(10));
const RoundedRectangleBorder centerRoundedRectangleBorder = RoundedRectangleBorder(side: BorderSide(width: 10, strokeAlign: BorderSide.strokeAlignCenter));
expect(centerRoundedRectangleBorder.dimensions, const EdgeInsets.all(5));
const RoundedRectangleBorder outsideRoundedRectangleBorder = RoundedRectangleBorder(side: BorderSide(width: 10, strokeAlign: BorderSide.strokeAlignOutside));
expect(outsideRoundedRectangleBorder.dimensions, EdgeInsets.zero);
const CircleBorder insideCircleBorder = CircleBorder(side: BorderSide(width: 10));
expect(insideCircleBorder.dimensions, const EdgeInsets.all(10));
const CircleBorder centerCircleBorder = CircleBorder(side: BorderSide(width: 10, strokeAlign: BorderSide.strokeAlignCenter));
expect(centerCircleBorder.dimensions, const EdgeInsets.all(5));
const CircleBorder outsideCircleBorder = CircleBorder(side: BorderSide(width: 10, strokeAlign: BorderSide.strokeAlignOutside));
expect(outsideCircleBorder.dimensions, EdgeInsets.zero);
});
test('RoundedRectangleBorder.lerp with different StrokeAlign', () {
const RoundedRectangleBorder rInside = RoundedRectangleBorder(side: BorderSide(width: 10.0));
const RoundedRectangleBorder rOutside = RoundedRectangleBorder(side: BorderSide(width: 20.0, strokeAlign: BorderSide.strokeAlignOutside));
const RoundedRectangleBorder rCenter = RoundedRectangleBorder(side: BorderSide(width: 15.0, strokeAlign: BorderSide.strokeAlignCenter));
expect(ShapeBorder.lerp(rInside, rOutside, 0.5), rCenter);
});
}