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183 lines
7.7 KiB
Dart
183 lines
7.7 KiB
Dart
// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter_test/flutter_test.dart';
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/// Class that makes it easy to mock common toStringDeep behavior.
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class _MockToStringDeep {
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_MockToStringDeep(String str) {
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final List<String> lines = str.split('\n');
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_lines = <String>[];
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for (int i = 0; i < lines.length - 1; ++i)
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_lines.add('${lines[i]}\n');
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// If the last line is empty, that really just means that the previous
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// line was terminated with a line break.
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if (lines.isNotEmpty && lines.last.isNotEmpty) {
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_lines.add(lines.last);
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}
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}
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_MockToStringDeep.fromLines(this._lines);
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/// Lines in the message to display when [toStringDeep] is called.
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/// For correct toStringDeep behavior, each line should be terminated with a
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/// line break.
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List<String> _lines;
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String toStringDeep({ String prefixLineOne: '', String prefixOtherLines: '' }) {
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final StringBuffer sb = new StringBuffer();
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if (_lines.isNotEmpty)
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sb.write('$prefixLineOne${_lines.first}');
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for (int i = 1; i < _lines.length; ++i)
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sb.write('$prefixOtherLines${_lines[i]}');
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return sb.toString();
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}
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@override
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String toString() => toStringDeep();
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}
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void main() {
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test('hasOneLineDescription', () {
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expect('Hello', hasOneLineDescription);
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expect('Hello\nHello', isNot(hasOneLineDescription));
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expect(' Hello', isNot(hasOneLineDescription));
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expect('Hello ', isNot(hasOneLineDescription));
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expect(new Object(), isNot(hasOneLineDescription));
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});
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test('hasAGoodToStringDeep', () {
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expect(new _MockToStringDeep('Hello\n World\n'), hasAGoodToStringDeep);
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// Not terminated with a line break.
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expect(new _MockToStringDeep('Hello\n World'), isNot(hasAGoodToStringDeep));
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// Trailing whitespace on last line.
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expect(new _MockToStringDeep('Hello\n World \n'),
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isNot(hasAGoodToStringDeep));
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expect(new _MockToStringDeep('Hello\n World\t\n'),
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isNot(hasAGoodToStringDeep));
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// Leading whitespace on line 1.
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expect(new _MockToStringDeep(' Hello\n World \n'),
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isNot(hasAGoodToStringDeep));
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// Single line.
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expect(new _MockToStringDeep('Hello World'), isNot(hasAGoodToStringDeep));
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expect(new _MockToStringDeep('Hello World\n'), isNot(hasAGoodToStringDeep));
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expect(new _MockToStringDeep('Hello: World\nFoo: bar\n'),
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hasAGoodToStringDeep);
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expect(new _MockToStringDeep('Hello: World\nFoo: 42\n'),
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hasAGoodToStringDeep);
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// Contains default Object.toString().
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expect(new _MockToStringDeep('Hello: World\nFoo: ${new Object()}\n'),
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isNot(hasAGoodToStringDeep));
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expect(new _MockToStringDeep('A\n├─B\n'), hasAGoodToStringDeep);
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expect(new _MockToStringDeep('A\n├─B\n╘══════\n'), hasAGoodToStringDeep);
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// Last line is all whitespace or vertical line art.
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expect(new _MockToStringDeep('A\n├─B\n\n'), isNot(hasAGoodToStringDeep));
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expect(new _MockToStringDeep('A\n├─B\n│\n'), isNot(hasAGoodToStringDeep));
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expect(new _MockToStringDeep('A\n├─B\n│\n'), isNot(hasAGoodToStringDeep));
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expect(new _MockToStringDeep('A\n├─B\n│\n'), isNot(hasAGoodToStringDeep));
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expect(new _MockToStringDeep('A\n├─B\n╎\n'), isNot(hasAGoodToStringDeep));
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expect(new _MockToStringDeep('A\n├─B\n║\n'), isNot(hasAGoodToStringDeep));
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expect(new _MockToStringDeep('A\n├─B\n │\n'), isNot(hasAGoodToStringDeep));
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expect(new _MockToStringDeep('A\n├─B\n ╎\n'), isNot(hasAGoodToStringDeep));
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expect(new _MockToStringDeep('A\n├─B\n ║\n'), isNot(hasAGoodToStringDeep));
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expect(new _MockToStringDeep('A\n├─B\n ││\n'), isNot(hasAGoodToStringDeep));
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expect(new _MockToStringDeep(
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'A\n'
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'├─B\n'
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'│\n'
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'└─C\n'), hasAGoodToStringDeep);
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// Last line is all whitespace or vertical line art.
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expect(new _MockToStringDeep(
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'A\n'
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'├─B\n'
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'│\n'), isNot(hasAGoodToStringDeep));
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expect(new _MockToStringDeep.fromLines(
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<String>['Paragraph#00000\n',
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' │ size: (400x200)\n',
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' ╘═╦══ text ═══\n',
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' ║ TextSpan:\n',
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' ║ "I polished up that handle so carefullee\n',
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' ║ That now I am the Ruler of the Queen\'s Navee!"\n',
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' ╚═══════════\n']), hasAGoodToStringDeep);
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// Text span
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expect(new _MockToStringDeep.fromLines(
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<String>['Paragraph#00000\n',
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' │ size: (400x200)\n',
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' ╘═╦══ text ═══\n',
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' ║ TextSpan:\n',
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' ║ "I polished up that handle so carefullee\nThat now I am the Ruler of the Queen\'s Navee!"\n',
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' ╚═══════════\n']), isNot(hasAGoodToStringDeep));
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});
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test('normalizeHashCodesEquals', () {
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expect('Foo#34219', equalsIgnoringHashCodes('Foo#00000'));
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expect('Foo#34219', equalsIgnoringHashCodes('Foo#12345'));
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expect('Foo#34219', equalsIgnoringHashCodes('Foo#abcdf'));
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expect('Foo#34219', isNot(equalsIgnoringHashCodes('Foo')));
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expect('Foo#34219', isNot(equalsIgnoringHashCodes('Foo#')));
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expect('Foo#34219', isNot(equalsIgnoringHashCodes('Foo#0')));
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expect('Foo#34219', isNot(equalsIgnoringHashCodes('Foo#00')));
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expect('Foo#34219', isNot(equalsIgnoringHashCodes('Foo#00000 ')));
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expect('Foo#34219', isNot(equalsIgnoringHashCodes('Foo#000000')));
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expect('Foo#34219', isNot(equalsIgnoringHashCodes('Foo#123456')));
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expect('Foo#34219:', equalsIgnoringHashCodes('Foo#00000:'));
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expect('Foo#34219:', isNot(equalsIgnoringHashCodes('Foo#00000')));
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expect('Foo#a3b4d', equalsIgnoringHashCodes('Foo#00000'));
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expect('Foo#a3b4d', equalsIgnoringHashCodes('Foo#12345'));
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expect('Foo#a3b4d', equalsIgnoringHashCodes('Foo#abcdf'));
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expect('Foo#a3b4d', isNot(equalsIgnoringHashCodes('Foo')));
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expect('Foo#a3b4d', isNot(equalsIgnoringHashCodes('Foo#')));
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expect('Foo#a3b4d', isNot(equalsIgnoringHashCodes('Foo#0')));
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expect('Foo#a3b4d', isNot(equalsIgnoringHashCodes('Foo#00')));
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expect('Foo#a3b4d', isNot(equalsIgnoringHashCodes('Foo#00000 ')));
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expect('Foo#a3b4d', isNot(equalsIgnoringHashCodes('Foo#000000')));
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expect('Foo#a3b4d', isNot(equalsIgnoringHashCodes('Foo#123456')));
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expect('Foo#A3b4D', isNot(equalsIgnoringHashCodes('Foo#00000')));
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expect('Foo#12345(Bar#9110f)',
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equalsIgnoringHashCodes('Foo#00000(Bar#00000)'));
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expect('Foo#12345(Bar#9110f)',
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isNot(equalsIgnoringHashCodes('Foo#00000(Bar#)')));
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expect('Foo', isNot(equalsIgnoringHashCodes('Foo#00000')));
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expect('Foo#', isNot(equalsIgnoringHashCodes('Foo#00000')));
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expect('Foo#3421', isNot(equalsIgnoringHashCodes('Foo#00000')));
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expect('Foo#342193', isNot(equalsIgnoringHashCodes('Foo#00000')));
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});
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test('moreOrLessEquals', () {
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expect(0.0, moreOrLessEquals(1e-11));
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expect(1e-11, moreOrLessEquals(0.0));
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expect(-1e-11, moreOrLessEquals(0.0));
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expect(0.0, isNot(moreOrLessEquals(1e11)));
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expect(1e11, isNot(moreOrLessEquals(0.0)));
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expect(-1e11, isNot(moreOrLessEquals(0.0)));
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expect(0.0, isNot(moreOrLessEquals(1.0)));
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expect(1.0, isNot(moreOrLessEquals(0.0)));
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expect(-1.0, isNot(moreOrLessEquals(0.0)));
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expect(1e-11, moreOrLessEquals(-1e-11));
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expect(-1e-11, moreOrLessEquals(1e-11));
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expect(11.0, isNot(moreOrLessEquals(-11.0, epsilon: 1.0)));
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expect(-11.0, isNot(moreOrLessEquals(11.0, epsilon: 1.0)));
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expect(11.0, moreOrLessEquals(-11.0, epsilon: 100.0));
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expect(-11.0, moreOrLessEquals(11.0, epsilon: 100.0));
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});
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}
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