// 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'; void main() { test('EdgeInsets constructors', () { // fromLTRB final EdgeInsets ltrbLtr = const EdgeInsets.fromLTRB(10, 20, 30, 40).resolve(TextDirection.ltr); expect(ltrbLtr.left, 10); expect(ltrbLtr.top, 20); expect(ltrbLtr.right, 30); expect(ltrbLtr.bottom, 40); final EdgeInsets ltrbRtl = const EdgeInsets.fromLTRB(10, 20, 30, 40).resolve(TextDirection.rtl); expect(ltrbRtl.left, 10); expect(ltrbRtl.top, 20); expect(ltrbRtl.right, 30); expect(ltrbRtl.bottom, 40); // all const EdgeInsets all = EdgeInsets.all(10); expect(all.resolve(TextDirection.ltr), equals(const EdgeInsets.fromLTRB(10, 10, 10, 10))); expect(all.resolve(TextDirection.rtl), equals(const EdgeInsets.fromLTRB(10, 10, 10, 10))); // only const EdgeInsets only = EdgeInsets.only(left: 10, top: 20, right: 30, bottom: 40); expect(only.resolve(TextDirection.ltr), equals(const EdgeInsets.fromLTRB(10, 20, 30, 40))); expect(only.resolve(TextDirection.rtl), equals(const EdgeInsets.fromLTRB(10, 20, 30, 40))); // symmetric const EdgeInsets symmetric = EdgeInsets.symmetric(horizontal: 10, vertical: 20); expect(symmetric.resolve(TextDirection.ltr), equals(const EdgeInsets.fromLTRB(10, 20, 10, 20))); expect(symmetric.resolve(TextDirection.rtl), equals(const EdgeInsets.fromLTRB(10, 20, 10, 20))); }); test('EdgeInsetsDirectional constructors', () { // fromSTEB final EdgeInsets stebLtr = const EdgeInsetsDirectional.fromSTEB(10, 20, 30, 40).resolve(TextDirection.ltr); expect(stebLtr.left, 10); expect(stebLtr.top, 20); expect(stebLtr.right, 30); expect(stebLtr.bottom, 40); final EdgeInsets stebRtl = const EdgeInsetsDirectional.fromSTEB(10, 20, 30, 40).resolve(TextDirection.rtl); expect(stebRtl.left, 30); expect(stebRtl.top, 20); expect(stebRtl.right, 10); expect(stebRtl.bottom, 40); // all const EdgeInsetsDirectional all = EdgeInsetsDirectional.all(10); expect(all.resolve(TextDirection.ltr), equals(const EdgeInsets.fromLTRB(10, 10, 10, 10))); expect(all.resolve(TextDirection.rtl), equals(const EdgeInsets.fromLTRB(10, 10, 10, 10))); // only const EdgeInsetsDirectional directional = EdgeInsetsDirectional.only(start: 10, top: 20, end: 30, bottom: 40); expect(directional.resolve(TextDirection.ltr), const EdgeInsets.fromLTRB(10, 20, 30, 40)); expect(directional.resolve(TextDirection.rtl), const EdgeInsets.fromLTRB(30, 20, 10, 40)); // symmetric const EdgeInsetsDirectional symmetric = EdgeInsetsDirectional.symmetric(horizontal: 10, vertical: 20); expect(symmetric.resolve(TextDirection.ltr), equals(const EdgeInsets.fromLTRB(10, 20, 10, 20))); expect(symmetric.resolve(TextDirection.rtl), equals(const EdgeInsets.fromLTRB(10, 20, 10, 20))); }); test('EdgeInsets control test', () { const EdgeInsets insets = EdgeInsets.fromLTRB(5.0, 7.0, 11.0, 13.0); expect(insets, hasOneLineDescription); expect(insets.hashCode, equals(const EdgeInsets.fromLTRB(5.0, 7.0, 11.0, 13.0).hashCode)); expect(insets.topLeft, const Offset(5.0, 7.0)); expect(insets.topRight, const Offset(-11.0, 7.0)); expect(insets.bottomLeft, const Offset(5.0, -13.0)); expect(insets.bottomRight, const Offset(-11.0, -13.0)); expect(insets.collapsedSize, const Size(16.0, 20.0)); expect(insets.flipped, const EdgeInsets.fromLTRB(11.0, 13.0, 5.0, 7.0)); expect(insets.along(Axis.horizontal), equals(16.0)); expect(insets.along(Axis.vertical), equals(20.0)); expect( insets.inflateRect(const Rect.fromLTRB(23.0, 32.0, 124.0, 143.0)), const Rect.fromLTRB(18.0, 25.0, 135.0, 156.0), ); expect( insets.deflateRect(const Rect.fromLTRB(23.0, 32.0, 124.0, 143.0)), const Rect.fromLTRB(28.0, 39.0, 113.0, 130.0), ); expect(insets.inflateSize(const Size(100.0, 125.0)), const Size(116.0, 145.0)); expect(insets.deflateSize(const Size(100.0, 125.0)), const Size(84.0, 105.0)); expect(insets / 2.0, const EdgeInsets.fromLTRB(2.5, 3.5, 5.5, 6.5)); expect(insets ~/ 2.0, const EdgeInsets.fromLTRB(2.0, 3.0, 5.0, 6.0)); expect(insets % 5.0, const EdgeInsets.fromLTRB(0.0, 2.0, 1.0, 3.0)); }); test('EdgeInsets.lerp()', () { const EdgeInsets a = EdgeInsets.all(10.0); const EdgeInsets b = EdgeInsets.all(20.0); expect(EdgeInsets.lerp(a, b, 0.25), equals(a * 1.25)); expect(EdgeInsets.lerp(a, b, 0.25), equals(b * 0.625)); expect(EdgeInsets.lerp(a, b, 0.25), equals(a + const EdgeInsets.all(2.5))); expect(EdgeInsets.lerp(a, b, 0.25), equals(b - const EdgeInsets.all(7.5))); expect(EdgeInsets.lerp(null, null, 0.25), isNull); expect(EdgeInsets.lerp(null, b, 0.25), equals(b * 0.25)); expect(EdgeInsets.lerp(a, null, 0.25), equals(a * 0.75)); }); test('EdgeInsets.lerp identical a,b', () { expect(EdgeInsets.lerp(null, null, 0), null); const EdgeInsets insets = EdgeInsets.zero; expect(identical(EdgeInsets.lerp(insets, insets, 0.5), insets), true); }); test('EdgeInsets.resolve()', () { expect(const EdgeInsetsDirectional.fromSTEB(10.0, 20.0, 30.0, 40.0).resolve(TextDirection.ltr), const EdgeInsets.fromLTRB(10.0, 20.0, 30.0, 40.0)); expect(const EdgeInsetsDirectional.fromSTEB(99.0, 98.0, 97.0, 96.0).resolve(TextDirection.rtl), const EdgeInsets.fromLTRB(97.0, 98.0, 99.0, 96.0)); expect(const EdgeInsetsDirectional.all(50.0).resolve(TextDirection.ltr), const EdgeInsets.fromLTRB(50.0, 50.0, 50.0, 50.0)); expect(const EdgeInsetsDirectional.all(50.0).resolve(TextDirection.rtl), const EdgeInsets.fromLTRB(50.0, 50.0, 50.0, 50.0)); expect(const EdgeInsetsDirectional.only(start: 963.25).resolve(TextDirection.ltr), const EdgeInsets.fromLTRB(963.25, 0.0, 0.0, 0.0)); expect(const EdgeInsetsDirectional.only(top: 963.25).resolve(TextDirection.ltr), const EdgeInsets.fromLTRB(0.0, 963.25, 0.0, 0.0)); expect(const EdgeInsetsDirectional.only(end: 963.25).resolve(TextDirection.ltr), const EdgeInsets.fromLTRB(0.0, 0.0, 963.25, 0.0)); expect(const EdgeInsetsDirectional.only(bottom: 963.25).resolve(TextDirection.ltr), const EdgeInsets.fromLTRB(0.0, 0.0, 0.0, 963.25)); expect(const EdgeInsetsDirectional.only(start: 963.25).resolve(TextDirection.rtl), const EdgeInsets.fromLTRB(0.0, 0.0, 963.25, 0.0)); expect(const EdgeInsetsDirectional.only(top: 963.25).resolve(TextDirection.rtl), const EdgeInsets.fromLTRB(0.0, 963.25, 0.0, 0.0)); expect(const EdgeInsetsDirectional.only(end: 963.25).resolve(TextDirection.rtl), const EdgeInsets.fromLTRB(963.25, 0.0, 0.0, 0.0)); expect(const EdgeInsetsDirectional.only(bottom: 963.25).resolve(TextDirection.rtl), const EdgeInsets.fromLTRB(0.0, 0.0, 0.0, 963.25)); expect(EdgeInsetsDirectional.only(), EdgeInsetsDirectional.only()); // ignore: prefer_const_constructors expect(const EdgeInsetsDirectional.only(top: 1.0), isNot(const EdgeInsetsDirectional.only(bottom: 1.0))); expect( const EdgeInsetsDirectional.fromSTEB(10.0, 20.0, 30.0, 40.0).resolve(TextDirection.ltr), const EdgeInsetsDirectional.fromSTEB(30.0, 20.0, 10.0, 40.0).resolve(TextDirection.rtl), ); expect( const EdgeInsetsDirectional.fromSTEB(10.0, 20.0, 30.0, 40.0).resolve(TextDirection.ltr), isNot(const EdgeInsetsDirectional.fromSTEB(30.0, 20.0, 10.0, 40.0).resolve(TextDirection.ltr)), ); expect( const EdgeInsetsDirectional.fromSTEB(10.0, 20.0, 30.0, 40.0).resolve(TextDirection.ltr), isNot(const EdgeInsetsDirectional.fromSTEB(10.0, 20.0, 30.0, 40.0).resolve(TextDirection.rtl)), ); }); test('EdgeInsets equality', () { final double $5 = nonconst(5.0); expect(EdgeInsetsDirectional.only(top: $5, bottom: 7.0), EdgeInsetsDirectional.only(top: $5, bottom: 7.0)); expect(EdgeInsets.only(top: $5, bottom: 7.0), EdgeInsetsDirectional.only(top: $5, bottom: 7.0)); expect(EdgeInsetsDirectional.only(top: $5, bottom: 7.0), EdgeInsets.only(top: $5, bottom: 7.0)); expect(EdgeInsets.only(top: $5, bottom: 7.0), EdgeInsets.only(top: $5, bottom: 7.0)); expect(EdgeInsetsDirectional.only(start: $5), EdgeInsetsDirectional.only(start: $5)); expect(const EdgeInsets.only(left: 5.0), isNot(const EdgeInsetsDirectional.only(start: 5.0))); expect(const EdgeInsetsDirectional.only(start: 5.0), isNot(const EdgeInsets.only(left: 5.0))); expect(EdgeInsets.only(left: $5), EdgeInsets.only(left: $5)); expect(EdgeInsetsDirectional.only(end: $5), EdgeInsetsDirectional.only(end: $5)); expect(const EdgeInsets.only(right: 5.0), isNot(const EdgeInsetsDirectional.only(end: 5.0))); expect(const EdgeInsetsDirectional.only(end: 5.0), isNot(const EdgeInsets.only(right: 5.0))); expect(EdgeInsets.only(right: $5), EdgeInsets.only(right: $5)); expect(const EdgeInsetsDirectional.only(end: 5.0).add(const EdgeInsets.only(right: 5.0)), const EdgeInsetsDirectional.only(end: 5.0).add(const EdgeInsets.only(right: 5.0))); expect(const EdgeInsetsDirectional.only(end: 5.0).add(const EdgeInsets.only(right: 5.0)), isNot(const EdgeInsetsDirectional.only(end: 5.0).add(const EdgeInsets.only(left: 5.0)))); expect(const EdgeInsetsDirectional.only(top: 1.0).add(const EdgeInsets.only(top: 2.0)), const EdgeInsetsDirectional.only(top: 3.0)); expect(const EdgeInsetsDirectional.only(top: 1.0).add(const EdgeInsets.only(top: 2.0)), const EdgeInsets.only(top: 3.0)); }); test('EdgeInsets copyWith', () { const EdgeInsets sourceEdgeInsets = EdgeInsets.only(left: 1.0, top: 2.0, bottom: 3.0, right: 4.0); final EdgeInsets copy = sourceEdgeInsets.copyWith(left: 5.0, top: 6.0); expect(copy, const EdgeInsets.only(left: 5.0, top: 6.0, bottom: 3.0, right: 4.0)); }); test('EdgeInsetsGeometry.lerp(...)', () { expect(EdgeInsetsGeometry.lerp(const EdgeInsetsDirectional.only(end: 10.0), null, 0.5), const EdgeInsetsDirectional.only(end: 5.0)); expect(EdgeInsetsGeometry.lerp(const EdgeInsetsDirectional.only(start: 10.0), null, 0.5), const EdgeInsetsDirectional.only(start: 5.0)); expect(EdgeInsetsGeometry.lerp(const EdgeInsetsDirectional.only(top: 10.0), null, 0.5), const EdgeInsetsDirectional.only(top: 5.0)); expect(EdgeInsetsGeometry.lerp(const EdgeInsetsDirectional.only(bottom: 10.0), null, 0.5), const EdgeInsetsDirectional.only(bottom: 5.0)); expect(EdgeInsetsGeometry.lerp(const EdgeInsetsDirectional.only(bottom: 10.0), EdgeInsetsDirectional.zero, 0.5), const EdgeInsetsDirectional.only(bottom: 5.0)); expect(EdgeInsetsGeometry.lerp(const EdgeInsetsDirectional.only(bottom: 10.0), EdgeInsets.zero, 0.5), const EdgeInsetsDirectional.only(bottom: 5.0)); expect(EdgeInsetsGeometry.lerp(const EdgeInsetsDirectional.only(start: 10.0), const EdgeInsets.only(left: 20.0), 0.5), const EdgeInsetsDirectional.only(start: 5.0).add(const EdgeInsets.only(left: 10.0))); expect(EdgeInsetsGeometry.lerp(const EdgeInsetsDirectional.only(bottom: 1.0), const EdgeInsetsDirectional.only(start: 1.0, bottom: 1.0).add(const EdgeInsets.only(right: 2.0)), 0.5), const EdgeInsetsDirectional.only(start: 0.5).add(const EdgeInsets.only(right: 1.0, bottom: 1.0))); expect(EdgeInsetsGeometry.lerp(const EdgeInsets.only(bottom: 1.0), const EdgeInsetsDirectional.only(end: 1.0, bottom: 1.0).add(const EdgeInsets.only(right: 2.0)), 0.5), const EdgeInsetsDirectional.only(end: 0.5).add(const EdgeInsets.only(right: 1.0, bottom: 1.0))); }); test('EdgeInsetsGeometry.lerp identical a,b', () { expect(EdgeInsetsGeometry.lerp(null, null, 0), null); const EdgeInsetsGeometry insets = EdgeInsets.zero; expect(identical(EdgeInsetsGeometry.lerp(insets, insets, 0.5), insets), true); }); test('EdgeInsetsDirectional.lerp identical a,b', () { expect(EdgeInsetsDirectional.lerp(null, null, 0), null); const EdgeInsetsDirectional insets = EdgeInsetsDirectional.zero; expect(identical(EdgeInsetsDirectional.lerp(insets, insets, 0.5), insets), true); }); test('EdgeInsetsGeometry.lerp(normal, ...)', () { const EdgeInsets a = EdgeInsets.all(10.0); const EdgeInsets b = EdgeInsets.all(20.0); expect(EdgeInsetsGeometry.lerp(a, b, 0.25), equals(a * 1.25)); expect(EdgeInsetsGeometry.lerp(a, b, 0.25), equals(b * 0.625)); expect(EdgeInsetsGeometry.lerp(a, b, 0.25), equals(a + const EdgeInsets.all(2.5))); expect(EdgeInsetsGeometry.lerp(a, b, 0.25), equals(b - const EdgeInsets.all(7.5))); expect(EdgeInsetsGeometry.lerp(null, null, 0.25), isNull); expect(EdgeInsetsGeometry.lerp(null, b, 0.25), equals(b * 0.25)); expect(EdgeInsetsGeometry.lerp(a, null, 0.25), equals(a * 0.75)); }); test('EdgeInsetsGeometry.lerp(directional, ...)', () { const EdgeInsetsDirectional a = EdgeInsetsDirectional.only(start: 10.0, end: 10.0); const EdgeInsetsDirectional b = EdgeInsetsDirectional.only(start: 20.0, end: 20.0); expect(EdgeInsetsGeometry.lerp(a, b, 0.25), equals(a * 1.25)); expect(EdgeInsetsGeometry.lerp(a, b, 0.25), equals(b * 0.625)); expect(EdgeInsetsGeometry.lerp(a, b, 0.25), equals(a + const EdgeInsetsDirectional.only(start: 2.5, end: 2.5))); expect(EdgeInsetsGeometry.lerp(a, b, 0.25), equals(b - const EdgeInsetsDirectional.only(start: 7.5, end: 7.5))); expect(EdgeInsetsGeometry.lerp(null, null, 0.25), isNull); expect(EdgeInsetsGeometry.lerp(null, b, 0.25), equals(b * 0.25)); expect(EdgeInsetsGeometry.lerp(a, null, 0.25), equals(a * 0.75)); }); test('EdgeInsetsGeometry.lerp(mixed, ...)', () { final EdgeInsetsGeometry a = const EdgeInsetsDirectional.only(start: 10.0, end: 10.0).add(const EdgeInsets.all(1.0)); final EdgeInsetsGeometry b = const EdgeInsetsDirectional.only(start: 20.0, end: 20.0).add(const EdgeInsets.all(2.0)); expect(EdgeInsetsGeometry.lerp(a, b, 0.25), equals(a * 1.25)); expect(EdgeInsetsGeometry.lerp(a, b, 0.25), equals(b * 0.625)); expect(EdgeInsetsGeometry.lerp(null, null, 0.25), isNull); expect(EdgeInsetsGeometry.lerp(null, b, 0.25), equals(b * 0.25)); expect(EdgeInsetsGeometry.lerp(a, null, 0.25), equals(a * 0.75)); }); test('EdgeInsets operators', () { const EdgeInsets a = EdgeInsets.fromLTRB(1.0, 2.0, 3.0, 5.0); expect(a * 2.0, const EdgeInsets.fromLTRB(2.0, 4.0, 6.0, 10.0)); expect(a / 2.0, const EdgeInsets.fromLTRB(0.5, 1.0, 1.5, 2.5)); expect(a % 2.0, const EdgeInsets.fromLTRB(1.0, 0.0, 1.0, 1.0)); expect(a ~/ 2.0, const EdgeInsets.fromLTRB(0.0, 1.0, 1.0, 2.0)); expect(a + a, a * 2.0); expect(a - a, EdgeInsets.zero); expect(a.add(a), a * 2.0); expect(a.subtract(a), EdgeInsets.zero); }); test('EdgeInsetsDirectional operators', () { const EdgeInsetsDirectional a = EdgeInsetsDirectional.fromSTEB(1.0, 2.0, 3.0, 5.0); expect(a * 2.0, const EdgeInsetsDirectional.fromSTEB(2.0, 4.0, 6.0, 10.0)); expect(a / 2.0, const EdgeInsetsDirectional.fromSTEB(0.5, 1.0, 1.5, 2.5)); expect(a % 2.0, const EdgeInsetsDirectional.fromSTEB(1.0, 0.0, 1.0, 1.0)); expect(a ~/ 2.0, const EdgeInsetsDirectional.fromSTEB(0.0, 1.0, 1.0, 2.0)); expect(a + a, a * 2.0); expect(a - a, EdgeInsetsDirectional.zero); expect(a.add(a), a * 2.0); expect(a.subtract(a), EdgeInsetsDirectional.zero); }); test('EdgeInsetsGeometry operators', () { final EdgeInsetsGeometry a = const EdgeInsetsDirectional.fromSTEB(1.0, 2.0, 3.0, 5.0).add(EdgeInsets.zero); expect(a, isNot(isA<EdgeInsetsDirectional>())); expect(a * 2.0, const EdgeInsetsDirectional.fromSTEB(2.0, 4.0, 6.0, 10.0)); expect(a / 2.0, const EdgeInsetsDirectional.fromSTEB(0.5, 1.0, 1.5, 2.5)); expect(a % 2.0, const EdgeInsetsDirectional.fromSTEB(1.0, 0.0, 1.0, 1.0)); expect(a ~/ 2.0, const EdgeInsetsDirectional.fromSTEB(0.0, 1.0, 1.0, 2.0)); expect(a.add(a), a * 2.0); expect(a.subtract(a), EdgeInsetsDirectional.zero); expect(a.subtract(a), EdgeInsets.zero); }); test('EdgeInsetsGeometry toString', () { expect(EdgeInsets.zero.toString(), 'EdgeInsets.zero'); expect(const EdgeInsets.only(top: 1.01, left: 1.01, right: 1.01, bottom: 1.01).toString(), 'EdgeInsets.all(1.0)'); expect(const EdgeInsetsDirectional.only(start: 1.01, end: 1.01, top: 1.01, bottom: 1.01).toString(), 'EdgeInsetsDirectional(1.0, 1.0, 1.0, 1.0)'); expect(const EdgeInsetsDirectional.only(start: 4.0).add(const EdgeInsets.only(top: 3.0)).toString(), 'EdgeInsetsDirectional(4.0, 3.0, 0.0, 0.0)'); expect(const EdgeInsetsDirectional.only(top: 4.0).add(const EdgeInsets.only(right: 3.0)).toString(), 'EdgeInsets(0.0, 4.0, 3.0, 0.0)'); expect(const EdgeInsetsDirectional.only(start: 4.0).add(const EdgeInsets.only(left: 3.0)).toString(), 'EdgeInsets(3.0, 0.0, 0.0, 0.0) + EdgeInsetsDirectional(4.0, 0.0, 0.0, 0.0)'); }); test('EdgeInsetsDirectional copyWith', () { const EdgeInsetsDirectional sourceEdgeInsets = EdgeInsetsDirectional.only(start: 1.0, top: 2.0, bottom: 3.0, end: 4.0); final EdgeInsetsDirectional copy = sourceEdgeInsets.copyWith(start: 5.0, top: 6.0); expect(copy, const EdgeInsetsDirectional.only(start: 5.0, top: 6.0, bottom: 3.0, end: 4.0)); }); }