mirror of
https://github.com/flutter/flutter
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83 lines
2.3 KiB
Dart
83 lines
2.3 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_tools/src/base/utils.dart';
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import 'package:test/test.dart';
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void main() {
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group('SettingsFile', () {
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test('parse', () {
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SettingsFile file = new SettingsFile.parse('''
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# ignore comment
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foo=bar
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baz=qux
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''');
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expect(file.values['foo'], 'bar');
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expect(file.values['baz'], 'qux');
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expect(file.values, hasLength(2));
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});
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});
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group('uuid', () {
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// xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx
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test('simple', () {
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Uuid uuid = new Uuid();
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String result = uuid.generateV4();
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expect(result.length, 36);
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expect(result[8], '-');
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expect(result[13], '-');
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expect(result[18], '-');
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expect(result[23], '-');
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});
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test('can parse', () {
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Uuid uuid = new Uuid();
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String result = uuid.generateV4();
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expect(int.parse(result.substring(0, 8), radix: 16), isNotNull);
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expect(int.parse(result.substring(9, 13), radix: 16), isNotNull);
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expect(int.parse(result.substring(14, 18), radix: 16), isNotNull);
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expect(int.parse(result.substring(19, 23), radix: 16), isNotNull);
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expect(int.parse(result.substring(24, 36), radix: 16), isNotNull);
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});
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test('special bits', () {
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Uuid uuid = new Uuid();
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String result = uuid.generateV4();
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expect(result[14], '4');
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expect(result[19].toLowerCase(), isIn('89ab'));
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result = uuid.generateV4();
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expect(result[19].toLowerCase(), isIn('89ab'));
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result = uuid.generateV4();
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expect(result[19].toLowerCase(), isIn('89ab'));
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});
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test('is pretty random', () {
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Set<String> set = new Set<String>();
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Uuid uuid = new Uuid();
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for (int i = 0; i < 64; i++) {
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String val = uuid.generateV4();
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expect(set, isNot(contains(val)));
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set.add(val);
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}
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uuid = new Uuid();
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for (int i = 0; i < 64; i++) {
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String val = uuid.generateV4();
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expect(set, isNot(contains(val)));
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set.add(val);
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}
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uuid = new Uuid();
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for (int i = 0; i < 64; i++) {
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String val = uuid.generateV4();
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expect(set, isNot(contains(val)));
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set.add(val);
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}
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});
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});
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}
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