// 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_test/flutter_test.dart'; import 'package:flutter/painting.dart'; void main() { test('BorderSide control test', () { const BorderSide side1 = BorderSide(); final BorderSide side2 = side1.copyWith( color: const Color(0xFF00FFFF), width: 2.0, style: BorderStyle.solid, ); expect(side1, hasOneLineDescription); expect(side1.hashCode, isNot(equals(side2.hashCode))); expect(side2.color, equals(const Color(0xFF00FFFF))); expect(side2.width, equals(2.0)); expect(side2.style, equals(BorderStyle.solid)); expect(BorderSide.lerp(side1, side2, 0.0), equals(side1)); expect(BorderSide.lerp(side1, side2, 1.0), equals(side2)); expect(BorderSide.lerp(side1, side2, 0.5), equals(BorderSide( color: Color.lerp(const Color(0xFF000000), const Color(0xFF00FFFF), 0.5)!, width: 1.5, style: BorderStyle.solid, ))); final BorderSide side3 = side2.copyWith(style: BorderStyle.none); BorderSide interpolated = BorderSide.lerp(side2, side3, 0.2); expect(interpolated.style, equals(BorderStyle.solid)); expect(interpolated.color, equals(side2.color.withOpacity(0.8))); interpolated = BorderSide.lerp(side3, side2, 0.2); expect(interpolated.style, equals(BorderStyle.solid)); expect(interpolated.color, equals(side2.color.withOpacity(0.2))); }); test('BorderSide toString test', () { const BorderSide side1 = BorderSide(); final BorderSide side2 = side1.copyWith( color: const Color(0xFF00FFFF), width: 2.0, style: BorderStyle.solid, ); expect(side1.toString(), equals('BorderSide(Color(0xff000000), 1.0, BorderStyle.solid)')); expect(side2.toString(), equals('BorderSide(Color(0xff00ffff), 2.0, BorderStyle.solid)')); }); test('Border control test', () { final Border border1 = Border.all(width: 4.0); final Border border2 = Border.lerp(null, border1, 0.25)!; final Border border3 = Border.lerp(border1, null, 0.25)!; expect(border1, hasOneLineDescription); expect(border1.hashCode, isNot(equals(border2.hashCode))); expect(border2.top.width, equals(1.0)); expect(border3.bottom.width, equals(3.0)); final Border border4 = Border.lerp(border2, border3, 0.5)!; expect(border4.left.width, equals(2.0)); }); test('Border toString test', () { expect( Border.all(width: 4.0).toString(), equals( 'Border.all(BorderSide(Color(0xff000000), 4.0, BorderStyle.solid))', ), ); expect( const Border( top: BorderSide(width: 3.0), right: BorderSide(width: 3.0), bottom: BorderSide(width: 3.0), left: BorderSide(width: 3.0), ).toString(), equals( 'Border.all(BorderSide(Color(0xff000000), 3.0, BorderStyle.solid))', ), ); }); test('BoxShadow control test', () { const BoxShadow shadow1 = BoxShadow(blurRadius: 4.0); final BoxShadow shadow2 = BoxShadow.lerp(null, shadow1, 0.25)!; final BoxShadow shadow3 = BoxShadow.lerp(shadow1, null, 0.25)!; expect(shadow1, hasOneLineDescription); expect(shadow1.hashCode, isNot(equals(shadow2.hashCode))); expect(shadow1, equals(const BoxShadow(blurRadius: 4.0))); expect(shadow2.blurRadius, equals(1.0)); expect(shadow3.blurRadius, equals(3.0)); final BoxShadow shadow4 = BoxShadow.lerp(shadow2, shadow3, 0.5)!; expect(shadow4.blurRadius, equals(2.0)); List<BoxShadow> shadowList = BoxShadow.lerpList( <BoxShadow>[shadow2, shadow1], <BoxShadow>[shadow3], 0.5)!; expect(shadowList, equals(<BoxShadow>[shadow4, shadow1.scale(0.5)])); shadowList = BoxShadow.lerpList( <BoxShadow>[shadow2], <BoxShadow>[shadow3, shadow1], 0.5)!; expect(shadowList, equals(<BoxShadow>[shadow4, shadow1.scale(0.5)])); }); test('BoxShadow toString test', () { expect(const BoxShadow(blurRadius: 4.0).toString(), equals('BoxShadow(Color(0xff000000), Offset(0.0, 0.0), 4.0, 0.0)')); }); }