border_rtl_test.dart 34.6 KB
Newer Older
Ian Hickson's avatar
Ian Hickson committed
1
// Copyright 2014 The Flutter Authors. All rights reserved.
Ian Hickson's avatar
Ian Hickson committed
2 3 4
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

5
import 'package:flutter/foundation.dart' show DiagnosticLevel, FlutterError;
Ian Hickson's avatar
Ian Hickson committed
6 7 8 9 10 11
import 'package:flutter/painting.dart';
import 'package:flutter_test/flutter_test.dart';

import '../rendering/mock_canvas.dart';

class SillyBorder extends BoxBorder {
12 13
  const SillyBorder();

Ian Hickson's avatar
Ian Hickson committed
14 15 16 17 18 19 20
  @override
  dynamic noSuchMethod(Invocation invocation) => null;
}

void main() {
  test('BoxBorder.lerp', () {
    // names of the form fooAtX are foo, lerped X% of the way to null
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
    const BoxBorder directionalWithMagentaTop5 = BorderDirectional(top: BorderSide(color: Color(0xFFFF00FF), width: 5.0));
    const BoxBorder directionalWithMagentaTop5At25 = BorderDirectional(top: BorderSide(color: Color(0x3F3F003F), width: 1.25));
    const BoxBorder directionalWithMagentaTop5At75 = BorderDirectional(top: BorderSide(color: Color(0xBFBF00BF), width: 3.75));
    const BoxBorder directionalWithSides10 = BorderDirectional(start: BorderSide(width: 10.0), end: BorderSide(width: 20.0));
    const BoxBorder directionalWithSides10At25 = BorderDirectional(start: BorderSide(width: 2.5, color: Color(0x3F000000)), end: BorderSide(width: 5.0, color: Color(0x3F000000)));
    const BoxBorder directionalWithSides10At50 = BorderDirectional(start: BorderSide(width: 5.0, color: Color(0x7F000000)), end: BorderSide(width: 10.0, color: Color(0x7F000000)));
    const BoxBorder directionalWithSides10At75 = BorderDirectional(start: BorderSide(width: 7.5, color: Color(0xBF000000)), end: BorderSide(width: 15.0, color: Color(0xBF000000)));
    const BoxBorder directionalWithSides20 = BorderDirectional(start: BorderSide(width: 20.0), end: BorderSide(width: 40.0));
    const BoxBorder directionalWithSides30 = BorderDirectional(start: BorderSide(width: 30.0), end: BorderSide(width: 60.0));
    const BoxBorder directionalWithTop10 = BorderDirectional(top: BorderSide(width: 10.0));
    const BoxBorder directionalWithYellowTop10 = BorderDirectional(top: BorderSide(color: Color(0xFFFFFF00), width: 10.0));
    const BoxBorder directionalWithYellowTop5 = BorderDirectional(top: BorderSide(color: Color(0xFFFFFF00), width: 5.0));
    const BoxBorder visualWithMagentaTop10 = Border(top: BorderSide(color: Color(0xFFFF00FF), width: 10.0));
    const BoxBorder visualWithMagentaTop5 = Border(top: BorderSide(color: Color(0xFFFF00FF), width: 5.0));
    const BoxBorder visualWithSides10 = Border(left: BorderSide(width: 10.0), right: BorderSide(width: 20.0));
    const BoxBorder visualWithSides10At25 = Border(left: BorderSide(width: 2.5, color: Color(0x3F000000)), right: BorderSide(width: 5.0, color: Color(0x3F000000)));
    const BoxBorder visualWithSides10At50 = Border(left: BorderSide(width: 5.0, color: Color(0x7F000000)), right: BorderSide(width: 10.0, color: Color(0x7F000000)));
    const BoxBorder visualWithSides10At75 = Border(left: BorderSide(width: 7.5, color: Color(0xBF000000)), right: BorderSide(width: 15.0, color: Color(0xBF000000)));
    const BoxBorder visualWithSides20 = Border(left: BorderSide(width: 20.0), right: BorderSide(width: 40.0));
    const BoxBorder visualWithSides30 = Border(left: BorderSide(width: 30.0), right: BorderSide(width: 60.0));
    const BoxBorder visualWithTop10 = Border(top: BorderSide(width: 10.0));
    const BoxBorder visualWithTop100 = Border(top: BorderSide(width: 100.0));
    const BoxBorder visualWithTop190 = Border(top: BorderSide(width: 190.0));
    const BoxBorder visualWithYellowTop5 = Border(top: BorderSide(color: Color(0xFFFFFF00), width: 5.0));
    const BoxBorder visualWithYellowTop5At25 = Border(top: BorderSide(color: Color(0x3F3F3F00), width: 1.25));
    const BoxBorder visualWithYellowTop5At75 = Border(top: BorderSide(color: Color(0xBFBFBF00), width: 3.75));
Ian Hickson's avatar
Ian Hickson committed
47 48

    expect(BoxBorder.lerp(null, null, -1.0), null);
49 50
    expect(BoxBorder.lerp(Border.all(width: 10.0), null, -1.0), Border.all(width: 20.0));
    expect(BoxBorder.lerp(null, Border.all(width: 10.0), -1.0), Border.all(width: 0.0, style: BorderStyle.none));
51
    expect(BoxBorder.lerp(directionalWithTop10, null, -1.0), const BorderDirectional(top: BorderSide(width: 20.0)));
Ian Hickson's avatar
Ian Hickson committed
52 53 54
    expect(BoxBorder.lerp(null, directionalWithTop10, -1.0), const BorderDirectional());
    expect(BoxBorder.lerp(directionalWithTop10, visualWithTop100, -1.0), const Border());
    expect(BoxBorder.lerp(visualWithSides10, directionalWithMagentaTop5, -1.0), visualWithSides20);
55
    expect(BoxBorder.lerp(visualWithYellowTop5, directionalWithMagentaTop5, -1.0), const Border(top: BorderSide(color: Color(0xFFFFFF00), width: 5.0)));
Ian Hickson's avatar
Ian Hickson committed
56 57
    expect(BoxBorder.lerp(visualWithSides10, directionalWithSides10, -1.0), visualWithSides30);
    expect(BoxBorder.lerp(visualWithYellowTop5, directionalWithSides10, -1.0), directionalWithYellowTop10);
58
    expect(() => BoxBorder.lerp(const SillyBorder(), const Border(), -1.0), throwsFlutterError);
Ian Hickson's avatar
Ian Hickson committed
59 60

    expect(BoxBorder.lerp(null, null, 0.0), null);
61 62
    expect(BoxBorder.lerp(Border.all(width: 10.0), null, 0.0), Border.all(width: 10.0));
    expect(BoxBorder.lerp(null, Border.all(width: 10.0), 0.0), const Border());
63
    expect(BoxBorder.lerp(directionalWithTop10, null, 0.0), const BorderDirectional(top: BorderSide(width: 10.0)));
Ian Hickson's avatar
Ian Hickson committed
64 65 66
    expect(BoxBorder.lerp(null, directionalWithTop10, 0.0), const BorderDirectional());
    expect(BoxBorder.lerp(directionalWithTop10, visualWithTop100, 0.0), visualWithTop10);
    expect(BoxBorder.lerp(visualWithSides10, directionalWithMagentaTop5, 0.0), visualWithSides10);
67
    expect(BoxBorder.lerp(visualWithYellowTop5, directionalWithMagentaTop5, 0.0), const Border(top: BorderSide(color: Color(0xFFFFFF00), width: 5.0)));
Ian Hickson's avatar
Ian Hickson committed
68 69
    expect(BoxBorder.lerp(visualWithSides10, directionalWithSides10, 0.0), visualWithSides10);
    expect(BoxBorder.lerp(visualWithYellowTop5, directionalWithSides10, 0.0), directionalWithYellowTop5);
70
    expect(() => BoxBorder.lerp(const SillyBorder(), const Border(), 0.0), throwsFlutterError);
Ian Hickson's avatar
Ian Hickson committed
71 72

    expect(BoxBorder.lerp(null, null, 0.25), null);
73 74
    expect(BoxBorder.lerp(Border.all(width: 10.0), null, 0.25), Border.all(width: 7.5));
    expect(BoxBorder.lerp(null, Border.all(width: 10.0), 0.25), Border.all(width: 2.5));
75 76 77
    expect(BoxBorder.lerp(directionalWithTop10, null, 0.25), const BorderDirectional(top: BorderSide(width: 7.5)));
    expect(BoxBorder.lerp(null, directionalWithTop10, 0.25), const BorderDirectional(top: BorderSide(width: 2.5)));
    expect(BoxBorder.lerp(directionalWithTop10, visualWithTop100, 0.25), const Border(top: BorderSide(width: 32.5)));
Ian Hickson's avatar
Ian Hickson committed
78
    expect(BoxBorder.lerp(visualWithSides10, directionalWithMagentaTop5, 0.25), visualWithSides10At75 + directionalWithMagentaTop5At25);
79
    expect(BoxBorder.lerp(visualWithYellowTop5, directionalWithMagentaTop5, 0.25), Border(top: BorderSide(width: 5.0, color: Color.lerp(const Color(0xFFFFFF00), const Color(0xFFFF00FF), 0.25)!)));
Ian Hickson's avatar
Ian Hickson committed
80 81
    expect(BoxBorder.lerp(visualWithSides10, directionalWithSides10, 0.25), visualWithSides10At50);
    expect(BoxBorder.lerp(visualWithYellowTop5, directionalWithSides10, 0.25), visualWithYellowTop5At75 + directionalWithSides10At25);
82
    expect(() => BoxBorder.lerp(const SillyBorder(), const Border(), 0.25), throwsFlutterError);
Ian Hickson's avatar
Ian Hickson committed
83 84

    expect(BoxBorder.lerp(null, null, 0.75), null);
85 86
    expect(BoxBorder.lerp(Border.all(width: 10.0), null, 0.75), Border.all(width: 2.5));
    expect(BoxBorder.lerp(null, Border.all(width: 10.0), 0.75), Border.all(width: 7.5));
87 88 89
    expect(BoxBorder.lerp(directionalWithTop10, null, 0.75), const BorderDirectional(top: BorderSide(width: 2.5)));
    expect(BoxBorder.lerp(null, directionalWithTop10, 0.75), const BorderDirectional(top: BorderSide(width: 7.5)));
    expect(BoxBorder.lerp(directionalWithTop10, visualWithTop100, 0.75), const Border(top: BorderSide(width: 77.5)));
Ian Hickson's avatar
Ian Hickson committed
90
    expect(BoxBorder.lerp(visualWithSides10, directionalWithMagentaTop5, 0.75), visualWithSides10At25 + directionalWithMagentaTop5At75);
91
    expect(BoxBorder.lerp(visualWithYellowTop5, directionalWithMagentaTop5, 0.75), Border(top: BorderSide(width: 5.0, color: Color.lerp(const Color(0xFFFFFF00), const Color(0xFFFF00FF), 0.75)!)));
Ian Hickson's avatar
Ian Hickson committed
92 93
    expect(BoxBorder.lerp(visualWithSides10, directionalWithSides10, 0.75), directionalWithSides10At50);
    expect(BoxBorder.lerp(visualWithYellowTop5, directionalWithSides10, 0.75), visualWithYellowTop5At25 + directionalWithSides10At75);
94
    expect(() => BoxBorder.lerp(const SillyBorder(), const Border(), 0.75), throwsFlutterError);
Ian Hickson's avatar
Ian Hickson committed
95 96

    expect(BoxBorder.lerp(null, null, 1.0), null);
97 98
    expect(BoxBorder.lerp(Border.all(width: 10.0), null, 1.0), Border.all(width: 0.0, style: BorderStyle.none));
    expect(BoxBorder.lerp(null, Border.all(width: 10.0), 1.0), Border.all(width: 10.0));
Ian Hickson's avatar
Ian Hickson committed
99
    expect(BoxBorder.lerp(directionalWithTop10, null, 1.0), const BorderDirectional());
100
    expect(BoxBorder.lerp(null, directionalWithTop10, 1.0), const BorderDirectional(top: BorderSide(width: 10.0)));
Ian Hickson's avatar
Ian Hickson committed
101 102 103 104 105
    expect(BoxBorder.lerp(directionalWithTop10, visualWithTop100, 1.0), visualWithTop100);
    expect(BoxBorder.lerp(visualWithSides10, directionalWithMagentaTop5, 1.0), visualWithMagentaTop5);
    expect(BoxBorder.lerp(visualWithYellowTop5, directionalWithMagentaTop5, 1.0), visualWithMagentaTop5);
    expect(BoxBorder.lerp(visualWithSides10, directionalWithSides10, 1.0), directionalWithSides10);
    expect(BoxBorder.lerp(visualWithYellowTop5, directionalWithSides10, 1.0), directionalWithSides10);
106
    expect(() => BoxBorder.lerp(const SillyBorder(), const Border(), 1.0), throwsFlutterError);
Ian Hickson's avatar
Ian Hickson committed
107 108

    expect(BoxBorder.lerp(null, null, 2.0), null);
109 110
    expect(BoxBorder.lerp(Border.all(width: 10.0), null, 2.0), Border.all(width: 0.0, style: BorderStyle.none));
    expect(BoxBorder.lerp(null, Border.all(width: 10.0), 2.0), Border.all(width: 20.0));
Ian Hickson's avatar
Ian Hickson committed
111
    expect(BoxBorder.lerp(directionalWithTop10, null, 2.0), const BorderDirectional());
112
    expect(BoxBorder.lerp(null, directionalWithTop10, 2.0), const BorderDirectional(top: BorderSide(width: 20.0)));
Ian Hickson's avatar
Ian Hickson committed
113 114 115 116 117
    expect(BoxBorder.lerp(directionalWithTop10, visualWithTop100, 2.0), visualWithTop190);
    expect(BoxBorder.lerp(visualWithSides10, directionalWithMagentaTop5, 2.0), visualWithMagentaTop10);
    expect(BoxBorder.lerp(visualWithYellowTop5, directionalWithMagentaTop5, 2.0), visualWithMagentaTop5);
    expect(BoxBorder.lerp(visualWithSides10, directionalWithSides10, 2.0), directionalWithSides30);
    expect(BoxBorder.lerp(visualWithYellowTop5, directionalWithSides10, 2.0), directionalWithSides20);
118
    expect(() => BoxBorder.lerp(const SillyBorder(), const Border(), 2.0), throwsFlutterError);
Ian Hickson's avatar
Ian Hickson committed
119 120
  });

121
  test('BoxBorder.lerp throws correct FlutterError message', () {
122
    late FlutterError error;
123
    try {
124
      BoxBorder.lerp(const SillyBorder(), const Border(), 2.0);
125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144
    } on FlutterError catch (e) {
      error = e;
    }
    expect(error, isNotNull);
    expect(error.diagnostics.length, 3);
    expect(error.diagnostics[2].level, DiagnosticLevel.hint);
    expect(
      error.diagnostics[2].toStringDeep(),
      equalsIgnoringHashCodes(
        'For a more general interpolation method, consider using\n'
        'ShapeBorder.lerp instead.\n',
      ),
    );
    expect(error.toStringDeep(), equalsIgnoringHashCodes(
      'FlutterError\n'
      '   BoxBorder.lerp can only interpolate Border and BorderDirectional\n'
      '   classes.\n'
      '   BoxBorder.lerp() was called with two objects of type SillyBorder\n'
      '   and Border:\n'
      '     SillyBorder()\n'
145
      '     Border.all(BorderSide(width: 0.0, style: none))\n'
146 147 148
      '   However, only Border and BorderDirectional classes are supported\n'
      '   by this method.\n'
      '   For a more general interpolation method, consider using\n'
149
      '   ShapeBorder.lerp instead.\n',
150 151 152
    ));
  });

Ian Hickson's avatar
Ian Hickson committed
153 154
  test('BoxBorder.getInnerPath / BoxBorder.getOuterPath', () {
    // for Border, BorderDirectional
155 156
    const Border border = Border(top: BorderSide(width: 10.0), right: BorderSide(width: 20.0));
    const BorderDirectional borderDirectional = BorderDirectional(top: BorderSide(width: 10.0), end: BorderSide(width: 20.0));
Ian Hickson's avatar
Ian Hickson committed
157
    expect(
Dan Field's avatar
Dan Field committed
158
      border.getOuterPath(const Rect.fromLTRB(50.0, 60.0, 110.0, 190.0), textDirection: TextDirection.rtl),
Ian Hickson's avatar
Ian Hickson committed
159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174
      isPathThat(
        includes: <Offset>[
          const Offset(50.0, 60.0),
          const Offset(60.0, 60.0),
          const Offset(60.0, 70.0),
          const Offset(80.0, 190.0),
          const Offset(109.0, 189.0),
          const Offset(110.0, 80.0),
          const Offset(110.0, 190.0),
        ],
        excludes: <Offset>[
          const Offset(40.0, 60.0),
          const Offset(50.0, 50.0),
          const Offset(111.0, 190.0),
          const Offset(110.0, 191.0),
          const Offset(111.0, 191.0),
175
          Offset.zero,
Ian Hickson's avatar
Ian Hickson committed
176 177 178 179 180 181
          const Offset(-10.0, -10.0),
          const Offset(0.0, -10.0),
          const Offset(-10.0, 0.0),
          const Offset(1000.0, 1000.0),
        ],
      ),
Ian Hickson's avatar
Ian Hickson committed
182
    );
Ian Hickson's avatar
Ian Hickson committed
183
    expect(
Dan Field's avatar
Dan Field committed
184
      border.getInnerPath(const Rect.fromLTRB(50.0, 60.0, 110.0, 190.0), textDirection: TextDirection.rtl),
Ian Hickson's avatar
Ian Hickson committed
185
      // inner path is a rect from 50.0,70.0 to 90.0,190.0
Ian Hickson's avatar
Ian Hickson committed
186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204
      isPathThat(
        includes: <Offset>[
          const Offset(50.0, 70.0),
          const Offset(55.0, 70.0),
          const Offset(50.0, 75.0),
          const Offset(70.0, 70.0),
          const Offset(70.0, 71.0),
          const Offset(71.0, 70.0),
          const Offset(71.0, 71.0),
          const Offset(80.0, 180.0),
          const Offset(80.0, 190.0),
          const Offset(89.0, 189.0),
          const Offset(90.0, 190.0),
        ],
        excludes: <Offset>[
          const Offset(40.0, 60.0),
          const Offset(50.0, 50.0),
          const Offset(50.0, 60.0),
          const Offset(60.0, 60.0),
205
          Offset.zero,
Ian Hickson's avatar
Ian Hickson committed
206 207 208 209 210 211 212 213 214 215 216 217 218
          const Offset(-10.0, -10.0),
          const Offset(0.0, -10.0),
          const Offset(-10.0, 0.0),
          const Offset(110.0, 80.0),
          const Offset(89.0, 191.0),
          const Offset(90.0, 191.0),
          const Offset(91.0, 189.0),
          const Offset(91.0, 190.0),
          const Offset(91.0, 191.0),
          const Offset(109.0, 189.0),
          const Offset(110.0, 190.0),
          const Offset(1000.0, 1000.0),
        ],
219
      ),
Ian Hickson's avatar
Ian Hickson committed
220
    );
Ian Hickson's avatar
Ian Hickson committed
221
    expect(
Dan Field's avatar
Dan Field committed
222
      borderDirectional.getOuterPath(const Rect.fromLTRB(50.0, 60.0, 110.0, 190.0), textDirection: TextDirection.rtl),
Ian Hickson's avatar
Ian Hickson committed
223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238
      isPathThat(
        includes: <Offset>[
          const Offset(50.0, 60.0),
          const Offset(60.0, 60.0),
          const Offset(60.0, 70.0),
          const Offset(80.0, 190.0),
          const Offset(109.0, 189.0),
          const Offset(110.0, 80.0),
          const Offset(110.0, 190.0),
        ],
        excludes: <Offset>[
          const Offset(40.0, 60.0),
          const Offset(50.0, 50.0),
          const Offset(111.0, 190.0),
          const Offset(110.0, 191.0),
          const Offset(111.0, 191.0),
239
          Offset.zero,
Ian Hickson's avatar
Ian Hickson committed
240 241 242 243 244 245
          const Offset(-10.0, -10.0),
          const Offset(0.0, -10.0),
          const Offset(-10.0, 0.0),
          const Offset(1000.0, 1000.0),
        ],
      ),
Ian Hickson's avatar
Ian Hickson committed
246
    );
Ian Hickson's avatar
Ian Hickson committed
247
    expect(
Dan Field's avatar
Dan Field committed
248
      borderDirectional.getInnerPath(const Rect.fromLTRB(50.0, 60.0, 110.0, 190.0), textDirection: TextDirection.rtl),
Ian Hickson's avatar
Ian Hickson committed
249
      // inner path is a rect from 70.0,70.0 to 110.0,190.0
Ian Hickson's avatar
Ian Hickson committed
250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273
      isPathThat(
        includes: <Offset>[
          const Offset(70.0, 70.0),
          const Offset(70.0, 71.0),
          const Offset(71.0, 70.0),
          const Offset(71.0, 71.0),
          const Offset(80.0, 180.0),
          const Offset(80.0, 190.0),
          const Offset(89.0, 189.0),
          const Offset(90.0, 190.0),
          const Offset(91.0, 189.0),
          const Offset(91.0, 190.0),
          const Offset(109.0, 189.0),
          const Offset(110.0, 80.0),
          const Offset(110.0, 190.0),
        ],
        excludes: <Offset>[
          const Offset(40.0, 60.0),
          const Offset(50.0, 50.0),
          const Offset(50.0, 60.0),
          const Offset(50.0, 70.0),
          const Offset(50.0, 75.0),
          const Offset(55.0, 70.0),
          const Offset(60.0, 60.0),
274
          Offset.zero,
Ian Hickson's avatar
Ian Hickson committed
275 276 277 278 279 280 281 282 283 284 285 286
          const Offset(-10.0, -10.0),
          const Offset(0.0, -10.0),
          const Offset(-10.0, 0.0),
          const Offset(89.0, 191.0),
          const Offset(90.0, 191.0),
          const Offset(91.0, 191.0),
          const Offset(110.0, 191.0),
          const Offset(111.0, 190.0),
          const Offset(111.0, 191.0),
          const Offset(1000.0, 1000.0),
        ],
      ),
Ian Hickson's avatar
Ian Hickson committed
287
    );
Ian Hickson's avatar
Ian Hickson committed
288
    expect(
Dan Field's avatar
Dan Field committed
289
      borderDirectional.getOuterPath(const Rect.fromLTRB(50.0, 60.0, 110.0, 190.0), textDirection: TextDirection.ltr),
Ian Hickson's avatar
Ian Hickson committed
290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305
      isPathThat(
        includes: <Offset>[
          const Offset(50.0, 60.0),
          const Offset(60.0, 60.0),
          const Offset(60.0, 70.0),
          const Offset(80.0, 190.0),
          const Offset(109.0, 189.0),
          const Offset(110.0, 80.0),
          const Offset(110.0, 190.0),
        ],
        excludes: <Offset>[
          const Offset(40.0, 60.0),
          const Offset(50.0, 50.0),
          const Offset(111.0, 190.0),
          const Offset(110.0, 191.0),
          const Offset(111.0, 191.0),
306
          Offset.zero,
Ian Hickson's avatar
Ian Hickson committed
307 308 309 310 311 312
          const Offset(-10.0, -10.0),
          const Offset(0.0, -10.0),
          const Offset(-10.0, 0.0),
          const Offset(1000.0, 1000.0),
        ],
      ),
Ian Hickson's avatar
Ian Hickson committed
313
    );
Ian Hickson's avatar
Ian Hickson committed
314
    expect(
Dan Field's avatar
Dan Field committed
315
      borderDirectional.getInnerPath(const Rect.fromLTRB(50.0, 60.0, 110.0, 190.0), textDirection: TextDirection.ltr),
Ian Hickson's avatar
Ian Hickson committed
316
      // inner path is a rect from 50.0,70.0 to 90.0,190.0
Ian Hickson's avatar
Ian Hickson committed
317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335
      isPathThat(
        includes: <Offset>[
          const Offset(50.0, 70.0),
          const Offset(50.0, 75.0),
          const Offset(55.0, 70.0),
          const Offset(70.0, 70.0),
          const Offset(70.0, 71.0),
          const Offset(71.0, 70.0),
          const Offset(71.0, 71.0),
          const Offset(80.0, 180.0),
          const Offset(80.0, 190.0),
          const Offset(89.0, 189.0),
          const Offset(90.0, 190.0),
        ],
        excludes: <Offset>[
          const Offset(50.0, 50.0),
          const Offset(40.0, 60.0),
          const Offset(50.0, 60.0),
          const Offset(60.0, 60.0),
336
          Offset.zero,
Ian Hickson's avatar
Ian Hickson committed
337 338 339 340 341 342 343 344 345 346 347 348 349 350
          const Offset(-10.0, -10.0),
          const Offset(0.0, -10.0),
          const Offset(-10.0, 0.0),
          const Offset(110.0, 80.0),
          const Offset(89.0, 191.0),
          const Offset(90.0, 191.0),
          const Offset(91.0, 189.0),
          const Offset(91.0, 190.0),
          const Offset(91.0, 191.0),
          const Offset(109.0, 189.0),
          const Offset(110.0, 190.0),
          const Offset(1000.0, 1000.0),
        ],
      ),
Ian Hickson's avatar
Ian Hickson committed
351
    );
352
  });
Ian Hickson's avatar
Ian Hickson committed
353 354

  test('BorderDirectional.merge', () {
355 356 357 358
    const BorderSide magenta3 = BorderSide(color: Color(0xFFFF00FF), width: 3.0);
    const BorderSide magenta6 = BorderSide(color: Color(0xFFFF00FF), width: 6.0);
    const BorderSide yellow2 = BorderSide(color: Color(0xFFFFFF00), width: 2.0);
    const BorderSide yellowNone0 = BorderSide(color: Color(0xFFFFFF00), width: 0.0, style: BorderStyle.none);
Ian Hickson's avatar
Ian Hickson committed
359 360
    expect(
      BorderDirectional.merge(
361 362
        const BorderDirectional(top: yellow2),
        const BorderDirectional(end: magenta3),
Ian Hickson's avatar
Ian Hickson committed
363
      ),
364
      const BorderDirectional(top: yellow2, end: magenta3),
Ian Hickson's avatar
Ian Hickson committed
365 366 367
    );
    expect(
      BorderDirectional.merge(
368 369
        const BorderDirectional(bottom: magenta3),
        const BorderDirectional(bottom: magenta3),
Ian Hickson's avatar
Ian Hickson committed
370
      ),
371
      const BorderDirectional(bottom: magenta6),
Ian Hickson's avatar
Ian Hickson committed
372 373 374
    );
    expect(
      BorderDirectional.merge(
375 376
        const BorderDirectional(start: magenta3, end: yellowNone0),
        const BorderDirectional(end: yellow2),
Ian Hickson's avatar
Ian Hickson committed
377
      ),
378
      const BorderDirectional(start: magenta3, end: yellow2),
Ian Hickson's avatar
Ian Hickson committed
379 380 381 382 383 384 385
    );
    expect(
      BorderDirectional.merge(const BorderDirectional(), const BorderDirectional()),
      const BorderDirectional(),
    );
    expect(
      () => BorderDirectional.merge(
386 387
        const BorderDirectional(start: magenta3),
        const BorderDirectional(start: yellow2),
Ian Hickson's avatar
Ian Hickson committed
388 389 390
      ),
      throwsAssertionError,
    );
391
  });
Ian Hickson's avatar
Ian Hickson committed
392 393 394 395

  test('BorderDirectional.dimensions', () {
    expect(
      const BorderDirectional(
396 397 398 399
        top: BorderSide(width: 3.0),
        start: BorderSide(width: 2.0),
        end: BorderSide(width: 7.0),
        bottom: BorderSide(width: 5.0),
Ian Hickson's avatar
Ian Hickson committed
400 401 402
      ).dimensions,
      const EdgeInsetsDirectional.fromSTEB(2.0, 3.0, 7.0, 5.0),
    );
403
  });
Ian Hickson's avatar
Ian Hickson committed
404 405 406 407

  test('BorderDirectional.isUniform', () {
    expect(
      const BorderDirectional(
408 409 410 411
        top: BorderSide(width: 3.0),
        start: BorderSide(width: 3.0),
        end: BorderSide(width: 3.0),
        bottom: BorderSide(width: 3.1),
Ian Hickson's avatar
Ian Hickson committed
412 413 414 415 416
      ).isUniform,
      false,
    );
    expect(
      const BorderDirectional(
417 418 419 420
        top: BorderSide(width: 3.0),
        start: BorderSide(width: 3.0),
        end: BorderSide(width: 3.0),
        bottom: BorderSide(width: 3.0),
Ian Hickson's avatar
Ian Hickson committed
421 422 423 424 425
      ).isUniform,
      true,
    );
    expect(
      const BorderDirectional(
426 427 428 429
        top: BorderSide(color: Color(0xFFFFFFFF)),
        start: BorderSide(color: Color(0xFFFFFFFE)),
        end: BorderSide(color: Color(0xFFFFFFFF)),
        bottom: BorderSide(color: Color(0xFFFFFFFF)),
Ian Hickson's avatar
Ian Hickson committed
430 431 432 433 434
      ).isUniform,
      false,
    );
    expect(
      const BorderDirectional(
435 436 437 438
        top: BorderSide(color: Color(0xFFFFFFFF)),
        start: BorderSide(color: Color(0xFFFFFFFF)),
        end: BorderSide(color: Color(0xFFFFFFFF)),
        bottom: BorderSide(color: Color(0xFFFFFFFF)),
Ian Hickson's avatar
Ian Hickson committed
439 440 441 442 443
      ).isUniform,
      true,
    );
    expect(
      const BorderDirectional(
444 445 446
        top: BorderSide(style: BorderStyle.none),
        start: BorderSide(style: BorderStyle.none),
        end: BorderSide(style: BorderStyle.none),
447
        bottom: BorderSide(width: 0.0),
Ian Hickson's avatar
Ian Hickson committed
448 449 450 451 452
      ).isUniform,
      false,
    );
    expect(
      const BorderDirectional(
453 454 455
        top: BorderSide(style: BorderStyle.none),
        start: BorderSide(style: BorderStyle.none),
        end: BorderSide(style: BorderStyle.none),
Ian Hickson's avatar
Ian Hickson committed
456 457 458 459
      ).isUniform,
      false,
    );
    expect(
460
      const BorderDirectional().isUniform,
Ian Hickson's avatar
Ian Hickson committed
461 462 463 464 465 466
      true,
    );
    expect(
      const BorderDirectional().isUniform,
      true,
    );
467
  });
Ian Hickson's avatar
Ian Hickson committed
468 469

  test('BorderDirectional.add - all directional', () {
470 471 472 473
    const BorderSide magenta3 = BorderSide(color: Color(0xFFFF00FF), width: 3.0);
    const BorderSide magenta6 = BorderSide(color: Color(0xFFFF00FF), width: 6.0);
    const BorderSide yellow2 = BorderSide(color: Color(0xFFFFFF00), width: 2.0);
    const BorderSide yellowNone0 = BorderSide(color: Color(0xFFFFFF00), width: 0.0, style: BorderStyle.none);
Ian Hickson's avatar
Ian Hickson committed
474
    expect(
475 476
      const BorderDirectional(top: yellow2) + const BorderDirectional(end: magenta3),
      const BorderDirectional(top: yellow2, end: magenta3),
Ian Hickson's avatar
Ian Hickson committed
477 478
    );
    expect(
479 480
      const BorderDirectional(bottom: magenta3) + const BorderDirectional(bottom: magenta3),
      const BorderDirectional(bottom: magenta6),
Ian Hickson's avatar
Ian Hickson committed
481 482
    );
    expect(
483 484
      const BorderDirectional(start: magenta3, end: yellowNone0) + const BorderDirectional(end: yellow2),
      const BorderDirectional(start: magenta3, end: yellow2),
Ian Hickson's avatar
Ian Hickson committed
485 486 487 488 489 490
    );
    expect(
      const BorderDirectional() + const BorderDirectional(),
      const BorderDirectional(),
    );
    expect(
491
      const BorderDirectional(start: magenta3) + const BorderDirectional(start: yellow2),
Dan Field's avatar
Dan Field committed
492
      isNot(isA<BorderDirectional>()), // see shape_border_test.dart for better tests of this case
Ian Hickson's avatar
Ian Hickson committed
493
    );
494 495
    const BorderDirectional b3 = BorderDirectional(top: magenta3);
    const BorderDirectional b6 = BorderDirectional(top: magenta6);
Ian Hickson's avatar
Ian Hickson committed
496
    expect(b3 + b3, b6);
497 498
    const BorderDirectional b0 = BorderDirectional(top: yellowNone0);
    const BorderDirectional bZ = BorderDirectional();
Ian Hickson's avatar
Ian Hickson committed
499 500 501 502
    expect(b0 + b0, bZ);
    expect(bZ + bZ, bZ);
    expect(b0 + bZ, bZ);
    expect(bZ + b0, bZ);
503
  });
Ian Hickson's avatar
Ian Hickson committed
504 505

  test('BorderDirectional.add', () {
506 507 508 509
    const BorderSide side1 = BorderSide(color: Color(0x11111111));
    const BorderSide doubleSide1 = BorderSide(color: Color(0x11111111), width: 2.0);
    const BorderSide side2 = BorderSide(color: Color(0x22222222));
    const BorderSide doubleSide2 = BorderSide(color: Color(0x22222222), width: 2.0);
Ian Hickson's avatar
Ian Hickson committed
510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528

    // adding tops and sides
    expect(const Border(left: side1) + const BorderDirectional(top: side2), const Border(left: side1, top: side2));
    expect(const BorderDirectional(start: side1) + const Border(top: side2), const BorderDirectional(start: side1, top: side2));
    expect(const Border(top: side2) + const BorderDirectional(start: side1), const BorderDirectional(start: side1, top: side2));
    expect(const BorderDirectional(top: side2) + const Border(left: side1), const Border(left: side1, top: side2));

    // adding incompatible tops and bottoms
    expect((const Border(top: side1) + const BorderDirectional(top: side2)).toString(), contains(' + '));
    expect((const BorderDirectional(top: side2) + const Border(top: side1)).toString(), contains(' + '));
    expect((const Border(bottom: side1) + const BorderDirectional(bottom: side2)).toString(), contains(' + '));
    expect((const BorderDirectional(bottom: side2) + const Border(bottom: side1)).toString(), contains(' + '));

    // adding compatible tops and bottoms
    expect(const BorderDirectional(top: side1) + const Border(top: side1), const Border(top: doubleSide1));
    expect(const Border(top: side1) + const BorderDirectional(top: side1), const Border(top: doubleSide1));
    expect(const BorderDirectional(bottom: side1) + const Border(bottom: side1), const Border(bottom: doubleSide1));
    expect(const Border(bottom: side1) + const BorderDirectional(bottom: side1), const Border(bottom: doubleSide1));

529 530 531 532 533 534
    const Border borderWithLeft = Border(left: side1, top: side2, bottom: side2);
    const Border borderWithRight = Border(right: side1, top: side2, bottom: side2);
    const Border borderWithoutSides = Border(top: side2, bottom: side2);
    const BorderDirectional borderDirectionalWithStart = BorderDirectional(start: side1, top: side2, bottom: side2);
    const BorderDirectional borderDirectionalWithEnd = BorderDirectional(end: side1, top: side2, bottom: side2);
    const BorderDirectional borderDirectionalWithoutSides = BorderDirectional(top: side2, bottom: side2);
Ian Hickson's avatar
Ian Hickson committed
535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554

    expect((borderWithLeft + borderDirectionalWithStart).toString(), '$borderWithLeft + $borderDirectionalWithStart');
    expect((borderWithLeft + borderDirectionalWithEnd).toString(), '$borderWithLeft + $borderDirectionalWithEnd');
    expect((borderWithLeft + borderDirectionalWithoutSides).toString(), '${const Border(left: side1, top: doubleSide2, bottom: doubleSide2)}');
    expect((borderWithRight + borderDirectionalWithStart).toString(), '$borderWithRight + $borderDirectionalWithStart');
    expect((borderWithRight + borderDirectionalWithEnd).toString(), '$borderWithRight + $borderDirectionalWithEnd');
    expect((borderWithRight + borderDirectionalWithoutSides).toString(), '${const Border(right: side1, top: doubleSide2, bottom: doubleSide2)}');
    expect((borderWithoutSides + borderDirectionalWithStart).toString(), '${const BorderDirectional(start: side1, top: doubleSide2, bottom: doubleSide2)}');
    expect((borderWithoutSides + borderDirectionalWithEnd).toString(), '${const BorderDirectional(end: side1, top: doubleSide2, bottom: doubleSide2)}');
    expect((borderWithoutSides + borderDirectionalWithoutSides).toString(), '${const Border(top: doubleSide2, bottom: doubleSide2)}');

    expect((borderDirectionalWithStart + borderWithLeft).toString(), '$borderDirectionalWithStart + $borderWithLeft');
    expect((borderDirectionalWithEnd + borderWithLeft).toString(), '$borderDirectionalWithEnd + $borderWithLeft');
    expect((borderDirectionalWithoutSides + borderWithLeft).toString(), '${const Border(left: side1, top: doubleSide2, bottom: doubleSide2)}');
    expect((borderDirectionalWithStart + borderWithRight).toString(), '$borderDirectionalWithStart + $borderWithRight');
    expect((borderDirectionalWithEnd + borderWithRight).toString(), '$borderDirectionalWithEnd + $borderWithRight');
    expect((borderDirectionalWithoutSides + borderWithRight).toString(), '${const Border(right: side1, top: doubleSide2, bottom: doubleSide2)}');
    expect((borderDirectionalWithStart + borderWithoutSides).toString(), '${const BorderDirectional(start: side1, top: doubleSide2, bottom: doubleSide2)}');
    expect((borderDirectionalWithEnd + borderWithoutSides).toString(), '${const BorderDirectional(end: side1, top: doubleSide2, bottom: doubleSide2)}');
    expect((borderDirectionalWithoutSides + borderWithoutSides).toString(), '${const Border(top: doubleSide2, bottom: doubleSide2)}');
555
  });
Ian Hickson's avatar
Ian Hickson committed
556 557

  test('BorderDirectional.scale', () {
558 559 560 561 562 563
    const BorderSide magenta3 = BorderSide(color: Color(0xFFFF00FF), width: 3.0);
    const BorderSide magenta6 = BorderSide(color: Color(0xFFFF00FF), width: 6.0);
    const BorderSide yellow2 = BorderSide(color: Color(0xFFFFFF00), width: 2.0);
    const BorderSide yellowNone0 = BorderSide(color: Color(0xFFFFFF00), width: 0.0, style: BorderStyle.none);
    const BorderDirectional b3 = BorderDirectional(start: magenta3);
    const BorderDirectional b6 = BorderDirectional(start: magenta6);
Ian Hickson's avatar
Ian Hickson committed
564
    expect(b3.scale(2.0), b6);
565
    const BorderDirectional bY0 = BorderDirectional(top: yellowNone0);
Ian Hickson's avatar
Ian Hickson committed
566
    expect(bY0.scale(3.0), bY0);
567
    const BorderDirectional bY2 = BorderDirectional(top: yellow2);
Ian Hickson's avatar
Ian Hickson committed
568
    expect(bY2.scale(0.0), bY0);
569
  });
Ian Hickson's avatar
Ian Hickson committed
570 571

  test('BorderDirectional.lerp', () {
572 573 574 575 576 577 578
    const BorderDirectional directionalWithTop10 = BorderDirectional(top: BorderSide(width: 10.0));
    const BorderDirectional atMinus100 = BorderDirectional(start: BorderSide(width: 0.0), end: BorderSide(width: 300.0));
    const BorderDirectional at0 = BorderDirectional(start: BorderSide(width: 100.0), end: BorderSide(width: 200.0));
    const BorderDirectional at25 = BorderDirectional(start: BorderSide(width: 125.0), end: BorderSide(width: 175.0));
    const BorderDirectional at75 = BorderDirectional(start: BorderSide(width: 175.0), end: BorderSide(width: 125.0));
    const BorderDirectional at100 = BorderDirectional(start: BorderSide(width: 200.0), end: BorderSide(width: 100.0));
    const BorderDirectional at200 = BorderDirectional(start: BorderSide(width: 300.0), end: BorderSide(width: 0.0));
Ian Hickson's avatar
Ian Hickson committed
579 580

    expect(BorderDirectional.lerp(null, null, -1.0), null);
581
    expect(BorderDirectional.lerp(directionalWithTop10, null, -1.0), const BorderDirectional(top: BorderSide(width: 20.0)));
Ian Hickson's avatar
Ian Hickson committed
582 583 584 585
    expect(BorderDirectional.lerp(null, directionalWithTop10, -1.0), const BorderDirectional());
    expect(BorderDirectional.lerp(at0, at100, -1.0), atMinus100);

    expect(BorderDirectional.lerp(null, null, 0.0), null);
586
    expect(BorderDirectional.lerp(directionalWithTop10, null, 0.0), const BorderDirectional(top: BorderSide(width: 10.0)));
Ian Hickson's avatar
Ian Hickson committed
587 588 589 590
    expect(BorderDirectional.lerp(null, directionalWithTop10, 0.0), const BorderDirectional());
    expect(BorderDirectional.lerp(at0, at100, 0.0), at0);

    expect(BorderDirectional.lerp(null, null, 0.25), null);
591 592
    expect(BorderDirectional.lerp(directionalWithTop10, null, 0.25), const BorderDirectional(top: BorderSide(width: 7.5)));
    expect(BorderDirectional.lerp(null, directionalWithTop10, 0.25), const BorderDirectional(top: BorderSide(width: 2.5)));
Ian Hickson's avatar
Ian Hickson committed
593 594 595
    expect(BorderDirectional.lerp(at0, at100, 0.25), at25);

    expect(BorderDirectional.lerp(null, null, 0.75), null);
596 597
    expect(BorderDirectional.lerp(directionalWithTop10, null, 0.75), const BorderDirectional(top: BorderSide(width: 2.5)));
    expect(BorderDirectional.lerp(null, directionalWithTop10, 0.75), const BorderDirectional(top: BorderSide(width: 7.5)));
Ian Hickson's avatar
Ian Hickson committed
598 599 600 601
    expect(BorderDirectional.lerp(at0, at100, 0.75), at75);

    expect(BorderDirectional.lerp(null, null, 1.0), null);
    expect(BorderDirectional.lerp(directionalWithTop10, null, 1.0), const BorderDirectional());
602
    expect(BorderDirectional.lerp(null, directionalWithTop10, 1.0), const BorderDirectional(top: BorderSide(width: 10.0)));
Ian Hickson's avatar
Ian Hickson committed
603 604 605 606
    expect(BorderDirectional.lerp(at0, at100, 1.0), at100);

    expect(BorderDirectional.lerp(null, null, 2.0), null);
    expect(BorderDirectional.lerp(directionalWithTop10, null, 2.0), const BorderDirectional());
607
    expect(BorderDirectional.lerp(null, directionalWithTop10, 2.0), const BorderDirectional(top: BorderSide(width: 20.0)));
Ian Hickson's avatar
Ian Hickson committed
608 609 610 611 612 613
    expect(BorderDirectional.lerp(at0, at100, 2.0), at200);
  });

  test('BorderDirectional.paint', () {
    expect(
      (Canvas canvas) {
614
        const BorderDirectional(end: BorderSide(width: 10.0, color: Color(0xFF00FF00)))
Dan Field's avatar
Dan Field committed
615
          .paint(canvas, const Rect.fromLTRB(10.0, 20.0, 30.0, 40.0), textDirection: TextDirection.rtl);
Ian Hickson's avatar
Ian Hickson committed
616 617 618 619 620 621
      },
      paints
        ..path(
          includes: <Offset>[const Offset(15.0, 30.0)],
          excludes: <Offset>[const Offset(25.0, 30.0)],
          color: const Color(0xFF00FF00),
622
        ),
Ian Hickson's avatar
Ian Hickson committed
623 624 625
    );
    expect(
      (Canvas canvas) {
626
        const BorderDirectional(end: BorderSide(width: 10.0, color: Color(0xFF00FF00)))
Dan Field's avatar
Dan Field committed
627
          .paint(canvas, const Rect.fromLTRB(10.0, 20.0, 30.0, 40.0), textDirection: TextDirection.ltr);
Ian Hickson's avatar
Ian Hickson committed
628 629 630 631 632 633
      },
      paints
        ..path(
          includes: <Offset>[const Offset(25.0, 30.0)],
          excludes: <Offset>[const Offset(15.0, 30.0)],
          color: const Color(0xFF00FF00),
634
        ),
Ian Hickson's avatar
Ian Hickson committed
635 636 637
    );
    expect(
      (Canvas canvas) {
638
        const BorderDirectional(end: BorderSide(width: 10.0, color: Color(0xFF00FF00)))
Dan Field's avatar
Dan Field committed
639
          .paint(canvas, const Rect.fromLTRB(10.0, 20.0, 30.0, 40.0));
Ian Hickson's avatar
Ian Hickson committed
640
      },
641
      paintsAssertion, // no TextDirection
Ian Hickson's avatar
Ian Hickson committed
642
    );
643
  });
Ian Hickson's avatar
Ian Hickson committed
644 645

  test('BorderDirectional hashCode', () {
646 647 648
    final BorderSide side = BorderSide(width: nonconst(2.0));
    expect(BorderDirectional(top: side).hashCode, BorderDirectional(top: side).hashCode);
    expect(BorderDirectional(top: side).hashCode, isNot(BorderDirectional(bottom: side).hashCode));
Ian Hickson's avatar
Ian Hickson committed
649 650 651
  });

  test('BoxDecoration.border takes a BorderDirectional', () {
652 653
    const BoxDecoration decoration2 = BoxDecoration(
      border: BorderDirectional(start: BorderSide(width: 2.0)),
Ian Hickson's avatar
Ian Hickson committed
654
    );
655 656
    const BoxDecoration decoration4 = BoxDecoration(
      border: BorderDirectional(start: BorderSide(width: 4.0)),
Ian Hickson's avatar
Ian Hickson committed
657
    );
658 659
    const BoxDecoration decoration6 = BoxDecoration(
      border: BorderDirectional(start: BorderSide(width: 6.0)),
Ian Hickson's avatar
Ian Hickson committed
660 661 662 663 664 665 666
    );
    final BoxPainter painter = decoration2.createBoxPainter();
    expect(
      (Canvas canvas) {
        painter.paint(
          canvas,
          const Offset(30.0, 0.0),
667
          const ImageConfiguration(size: Size(20.0, 20.0), textDirection: TextDirection.rtl),
Ian Hickson's avatar
Ian Hickson committed
668 669 670 671 672 673
        );
      },
      paints
        ..path(
          includes: <Offset>[const Offset(49.0, 10.0)],
          excludes: <Offset>[const Offset(31.0, 10.0)],
674
        ),
Ian Hickson's avatar
Ian Hickson committed
675 676 677 678 679 680
    );
    expect(
      (Canvas canvas) {
        painter.paint(
          canvas,
          const Offset(30.0, 0.0),
681
          const ImageConfiguration(size: Size(20.0, 20.0), textDirection: TextDirection.ltr),
Ian Hickson's avatar
Ian Hickson committed
682 683 684 685 686 687
        );
      },
      paints
        ..path(
          includes: <Offset>[const Offset(31.0, 10.0)],
          excludes: <Offset>[const Offset(49.0, 10.0)],
688
        ),
Ian Hickson's avatar
Ian Hickson committed
689 690 691 692
    );
    expect(decoration2.padding, const EdgeInsetsDirectional.fromSTEB(2.0, 0.0, 0.0, 0.0));
    expect(decoration2.scale(2.0), decoration4);
    expect(BoxDecoration.lerp(decoration2, decoration6, 0.5), decoration4);
693
  });
694
}