// 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( () => 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, ); }); }