| // Copyright 2016 The Chromium 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 'dart:ui'; |
| |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| /// Class that makes it easy to mock common toStringDeep behavior. |
| class _MockToStringDeep { |
| _MockToStringDeep(String str) { |
| final List<String> lines = str.split('\n'); |
| _lines = <String>[]; |
| for (int i = 0; i < lines.length - 1; ++i) |
| _lines.add('${lines[i]}\n'); |
| |
| // If the last line is empty, that really just means that the previous |
| // line was terminated with a line break. |
| if (lines.isNotEmpty && lines.last.isNotEmpty) { |
| _lines.add(lines.last); |
| } |
| } |
| |
| _MockToStringDeep.fromLines(this._lines); |
| |
| /// Lines in the message to display when [toStringDeep] is called. |
| /// For correct toStringDeep behavior, each line should be terminated with a |
| /// line break. |
| List<String> _lines; |
| |
| String toStringDeep({ String prefixLineOne: '', String prefixOtherLines: '' }) { |
| final StringBuffer sb = new StringBuffer(); |
| if (_lines.isNotEmpty) |
| sb.write('$prefixLineOne${_lines.first}'); |
| |
| for (int i = 1; i < _lines.length; ++i) |
| sb.write('$prefixOtherLines${_lines[i]}'); |
| |
| return sb.toString(); |
| } |
| |
| @override |
| String toString() => toStringDeep(); |
| } |
| |
| void main() { |
| test('hasOneLineDescription', () { |
| expect('Hello', hasOneLineDescription); |
| expect('Hello\nHello', isNot(hasOneLineDescription)); |
| expect(' Hello', isNot(hasOneLineDescription)); |
| expect('Hello ', isNot(hasOneLineDescription)); |
| expect(new Object(), isNot(hasOneLineDescription)); |
| }); |
| |
| test('hasAGoodToStringDeep', () { |
| expect(new _MockToStringDeep('Hello\n World\n'), hasAGoodToStringDeep); |
| // Not terminated with a line break. |
| expect(new _MockToStringDeep('Hello\n World'), isNot(hasAGoodToStringDeep)); |
| // Trailing whitespace on last line. |
| expect(new _MockToStringDeep('Hello\n World \n'), |
| isNot(hasAGoodToStringDeep)); |
| expect(new _MockToStringDeep('Hello\n World\t\n'), |
| isNot(hasAGoodToStringDeep)); |
| // Leading whitespace on line 1. |
| expect(new _MockToStringDeep(' Hello\n World \n'), |
| isNot(hasAGoodToStringDeep)); |
| |
| // Single line. |
| expect(new _MockToStringDeep('Hello World'), isNot(hasAGoodToStringDeep)); |
| expect(new _MockToStringDeep('Hello World\n'), isNot(hasAGoodToStringDeep)); |
| |
| expect(new _MockToStringDeep('Hello: World\nFoo: bar\n'), |
| hasAGoodToStringDeep); |
| expect(new _MockToStringDeep('Hello: World\nFoo: 42\n'), |
| hasAGoodToStringDeep); |
| // Contains default Object.toString(). |
| expect(new _MockToStringDeep('Hello: World\nFoo: ${new Object()}\n'), |
| isNot(hasAGoodToStringDeep)); |
| expect(new _MockToStringDeep('A\n├─B\n'), hasAGoodToStringDeep); |
| expect(new _MockToStringDeep('A\n├─B\n╘══════\n'), hasAGoodToStringDeep); |
| // Last line is all whitespace or vertical line art. |
| expect(new _MockToStringDeep('A\n├─B\n\n'), isNot(hasAGoodToStringDeep)); |
| expect(new _MockToStringDeep('A\n├─B\n│\n'), isNot(hasAGoodToStringDeep)); |
| expect(new _MockToStringDeep('A\n├─B\n│\n'), isNot(hasAGoodToStringDeep)); |
| expect(new _MockToStringDeep('A\n├─B\n│\n'), isNot(hasAGoodToStringDeep)); |
| expect(new _MockToStringDeep('A\n├─B\n╎\n'), isNot(hasAGoodToStringDeep)); |
| expect(new _MockToStringDeep('A\n├─B\n║\n'), isNot(hasAGoodToStringDeep)); |
| expect(new _MockToStringDeep('A\n├─B\n │\n'), isNot(hasAGoodToStringDeep)); |
| expect(new _MockToStringDeep('A\n├─B\n ╎\n'), isNot(hasAGoodToStringDeep)); |
| expect(new _MockToStringDeep('A\n├─B\n ║\n'), isNot(hasAGoodToStringDeep)); |
| expect(new _MockToStringDeep('A\n├─B\n ││\n'), isNot(hasAGoodToStringDeep)); |
| |
| expect(new _MockToStringDeep( |
| 'A\n' |
| '├─B\n' |
| '│\n' |
| '└─C\n'), hasAGoodToStringDeep); |
| // Last line is all whitespace or vertical line art. |
| expect(new _MockToStringDeep( |
| 'A\n' |
| '├─B\n' |
| '│\n'), isNot(hasAGoodToStringDeep)); |
| |
| expect(new _MockToStringDeep.fromLines( |
| <String>['Paragraph#00000\n', |
| ' │ size: (400x200)\n', |
| ' ╘═╦══ text ═══\n', |
| ' ║ TextSpan:\n', |
| ' ║ "I polished up that handle so carefullee\n', |
| ' ║ That now I am the Ruler of the Queen\'s Navee!"\n', |
| ' ╚═══════════\n']), hasAGoodToStringDeep); |
| |
| // Text span |
| expect(new _MockToStringDeep.fromLines( |
| <String>['Paragraph#00000\n', |
| ' │ size: (400x200)\n', |
| ' ╘═╦══ text ═══\n', |
| ' ║ TextSpan:\n', |
| ' ║ "I polished up that handle so carefullee\nThat now I am the Ruler of the Queen\'s Navee!"\n', |
| ' ╚═══════════\n']), isNot(hasAGoodToStringDeep)); |
| }); |
| |
| test('normalizeHashCodesEquals', () { |
| expect('Foo#34219', equalsIgnoringHashCodes('Foo#00000')); |
| expect('Foo#34219', equalsIgnoringHashCodes('Foo#12345')); |
| expect('Foo#34219', equalsIgnoringHashCodes('Foo#abcdf')); |
| expect('Foo#34219', isNot(equalsIgnoringHashCodes('Foo'))); |
| expect('Foo#34219', isNot(equalsIgnoringHashCodes('Foo#'))); |
| expect('Foo#34219', isNot(equalsIgnoringHashCodes('Foo#0'))); |
| expect('Foo#34219', isNot(equalsIgnoringHashCodes('Foo#00'))); |
| expect('Foo#34219', isNot(equalsIgnoringHashCodes('Foo#00000 '))); |
| expect('Foo#34219', isNot(equalsIgnoringHashCodes('Foo#000000'))); |
| expect('Foo#34219', isNot(equalsIgnoringHashCodes('Foo#123456'))); |
| |
| expect('Foo#34219:', equalsIgnoringHashCodes('Foo#00000:')); |
| expect('Foo#34219:', isNot(equalsIgnoringHashCodes('Foo#00000'))); |
| |
| expect('Foo#a3b4d', equalsIgnoringHashCodes('Foo#00000')); |
| expect('Foo#a3b4d', equalsIgnoringHashCodes('Foo#12345')); |
| expect('Foo#a3b4d', equalsIgnoringHashCodes('Foo#abcdf')); |
| expect('Foo#a3b4d', isNot(equalsIgnoringHashCodes('Foo'))); |
| expect('Foo#a3b4d', isNot(equalsIgnoringHashCodes('Foo#'))); |
| expect('Foo#a3b4d', isNot(equalsIgnoringHashCodes('Foo#0'))); |
| expect('Foo#a3b4d', isNot(equalsIgnoringHashCodes('Foo#00'))); |
| expect('Foo#a3b4d', isNot(equalsIgnoringHashCodes('Foo#00000 '))); |
| expect('Foo#a3b4d', isNot(equalsIgnoringHashCodes('Foo#000000'))); |
| expect('Foo#a3b4d', isNot(equalsIgnoringHashCodes('Foo#123456'))); |
| |
| expect('Foo#A3b4D', isNot(equalsIgnoringHashCodes('Foo#00000'))); |
| |
| expect('Foo#12345(Bar#9110f)', |
| equalsIgnoringHashCodes('Foo#00000(Bar#00000)')); |
| expect('Foo#12345(Bar#9110f)', |
| isNot(equalsIgnoringHashCodes('Foo#00000(Bar#)'))); |
| |
| expect('Foo', isNot(equalsIgnoringHashCodes('Foo#00000'))); |
| expect('Foo#', isNot(equalsIgnoringHashCodes('Foo#00000'))); |
| expect('Foo#3421', isNot(equalsIgnoringHashCodes('Foo#00000'))); |
| expect('Foo#342193', isNot(equalsIgnoringHashCodes('Foo#00000'))); |
| }); |
| |
| test('moreOrLessEquals', () { |
| expect(0.0, moreOrLessEquals(1e-11)); |
| expect(1e-11, moreOrLessEquals(0.0)); |
| expect(-1e-11, moreOrLessEquals(0.0)); |
| |
| expect(0.0, isNot(moreOrLessEquals(1e11))); |
| expect(1e11, isNot(moreOrLessEquals(0.0))); |
| expect(-1e11, isNot(moreOrLessEquals(0.0))); |
| |
| expect(0.0, isNot(moreOrLessEquals(1.0))); |
| expect(1.0, isNot(moreOrLessEquals(0.0))); |
| expect(-1.0, isNot(moreOrLessEquals(0.0))); |
| |
| expect(1e-11, moreOrLessEquals(-1e-11)); |
| expect(-1e-11, moreOrLessEquals(1e-11)); |
| |
| expect(11.0, isNot(moreOrLessEquals(-11.0, epsilon: 1.0))); |
| expect(-11.0, isNot(moreOrLessEquals(11.0, epsilon: 1.0))); |
| |
| expect(11.0, moreOrLessEquals(-11.0, epsilon: 100.0)); |
| expect(-11.0, moreOrLessEquals(11.0, epsilon: 100.0)); |
| }); |
| |
| test('within', () { |
| expect(0.0, within<double>(distance: 0.1, from: 0.05)); |
| expect(0.0, isNot(within<double>(distance: 0.1, from: 0.2))); |
| |
| expect(0, within<int>(distance: 1, from: 1)); |
| expect(0, isNot(within<int>(distance: 1, from: 2))); |
| |
| expect(const Color(0x00000000), within<Color>(distance: 1, from: const Color(0x01000000))); |
| expect(const Color(0x00000000), within<Color>(distance: 1, from: const Color(0x00010000))); |
| expect(const Color(0x00000000), within<Color>(distance: 1, from: const Color(0x00000100))); |
| expect(const Color(0x00000000), within<Color>(distance: 1, from: const Color(0x00000001))); |
| expect(const Color(0x00000000), within<Color>(distance: 1, from: const Color(0x01010101))); |
| expect(const Color(0x00000000), isNot(within<Color>(distance: 1, from: const Color(0x02000000)))); |
| |
| expect(const Offset(1.0, 0.0), within(distance: 1.0, from: const Offset(0.0, 0.0))); |
| expect(const Offset(1.0, 0.0), isNot(within(distance: 1.0, from: const Offset(-1.0, 0.0)))); |
| |
| expect(new Rect.fromLTRB(0.0, 1.0, 2.0, 3.0), within<Rect>(distance: 4.0, from: new Rect.fromLTRB(1.0, 3.0, 5.0, 7.0))); |
| expect(new Rect.fromLTRB(0.0, 1.0, 2.0, 3.0), isNot(within<Rect>(distance: 3.9, from: new Rect.fromLTRB(1.0, 3.0, 5.0, 7.0)))); |
| |
| expect(const Size(1.0, 1.0), within<Size>(distance: 1.415, from: const Size(2.0, 2.0))); |
| expect(const Size(1.0, 1.0), isNot(within<Size>(distance: 1.414, from: const Size(2.0, 2.0)))); |
| |
| expect( |
| () => within<bool>(distance: 1, from: false), |
| throwsArgumentError, |
| ); |
| |
| expect( |
| () => within<int>(distance: 1, from: 2, distanceFunction: (int a, int b) => -1).matches(1, <dynamic, dynamic>{}), |
| throwsArgumentError, |
| ); |
| }); |
| |
| group('coversSameAreaAs', () { |
| test('empty Paths', () { |
| expect( |
| new Path(), |
| coversSameAreaAs( |
| new Path(), |
| areaToCompare: new Rect.fromLTRB(0.0, 0.0, 10.0, 10.0) |
| ), |
| ); |
| }); |
| |
| test('mismatch', () { |
| final Path rectPath = new Path() |
| ..addRect(new Rect.fromLTRB(5.0, 5.0, 6.0, 6.0)); |
| expect( |
| new Path(), |
| isNot(coversSameAreaAs( |
| rectPath, |
| areaToCompare: new Rect.fromLTRB(0.0, 0.0, 10.0, 10.0) |
| )), |
| ); |
| }); |
| |
| test('mismatch out of examined area', () { |
| final Path rectPath = new Path() |
| ..addRect(new Rect.fromLTRB(5.0, 5.0, 6.0, 6.0)); |
| rectPath.addRect(new Rect.fromLTRB(5.0, 5.0, 6.0, 6.0)); |
| expect( |
| new Path(), |
| coversSameAreaAs( |
| rectPath, |
| areaToCompare: new Rect.fromLTRB(0.0, 0.0, 4.0, 4.0) |
| ), |
| ); |
| }); |
| |
| test('differently constructed rects match', () { |
| final Path rectPath = new Path() |
| ..addRect(new Rect.fromLTRB(5.0, 5.0, 6.0, 6.0)); |
| final Path linePath = new Path() |
| ..moveTo(5.0, 5.0) |
| ..lineTo(5.0, 6.0) |
| ..lineTo(6.0, 6.0) |
| ..lineTo(6.0, 5.0) |
| ..close(); |
| expect( |
| linePath, |
| coversSameAreaAs( |
| rectPath, |
| areaToCompare: new Rect.fromLTRB(0.0, 0.0, 10.0, 10.0) |
| ), |
| ); |
| }); |
| |
| test('partially overlapping paths', () { |
| final Path rectPath = new Path() |
| ..addRect(new Rect.fromLTRB(5.0, 5.0, 6.0, 6.0)); |
| final Path linePath = new Path() |
| ..moveTo(5.0, 5.0) |
| ..lineTo(5.0, 6.0) |
| ..lineTo(6.0, 6.0) |
| ..lineTo(6.0, 5.5) |
| ..close(); |
| expect( |
| linePath, |
| isNot(coversSameAreaAs( |
| rectPath, |
| areaToCompare: new Rect.fromLTRB(0.0, 0.0, 10.0, 10.0) |
| )), |
| ); |
| }); |
| }); |
| } |
