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1// Copyright 2019 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5import 'package:flutter/services.dart';
6import 'package:flutter_test/flutter_test.dart';
7
8void main() {
9  group(PhysicalKeyboardKey, () {
10    test('Various classes of keys can be looked up by code.', () async {
11      // Check a letter key
12      expect(PhysicalKeyboardKey.findKeyByCode(0x00070004), equals(PhysicalKeyboardKey.keyA));
13      // Check a control key
14      expect(PhysicalKeyboardKey.findKeyByCode(0x00070029), equals(PhysicalKeyboardKey.escape));
15      // Check a modifier key
16      expect(PhysicalKeyboardKey.findKeyByCode(0x000700e1), equals(PhysicalKeyboardKey.shiftLeft));
17    });
18    test('Equality is only based on HID code.', () async {
19      const PhysicalKeyboardKey key1 = PhysicalKeyboardKey(0x01, debugName: 'key1');
20      const PhysicalKeyboardKey key2 = PhysicalKeyboardKey(0x01, debugName: 'key2');
21      expect(key1, equals(key1));
22      expect(key1, equals(key2));
23    });
24  });
25  group(LogicalKeyboardKey, () {
26    test('Various classes of keys can be looked up by code', () async {
27      // Check a letter key
28      expect(LogicalKeyboardKey.findKeyByKeyId(0x0000000061), equals(LogicalKeyboardKey.keyA));
29      // Check a control key
30      expect(LogicalKeyboardKey.findKeyByKeyId(0x0100070029), equals(LogicalKeyboardKey.escape));
31      // Check a modifier key
32      expect(LogicalKeyboardKey.findKeyByKeyId(0x01000700e1), equals(LogicalKeyboardKey.shiftLeft));
33    });
34    test('Control characters are recognized as such', () async {
35      // Check some common control characters
36      expect(LogicalKeyboardKey.isControlCharacter('\x08'), isTrue); // BACKSPACE
37      expect(LogicalKeyboardKey.isControlCharacter('\x0a'), isTrue); // LINE FEED
38      expect(LogicalKeyboardKey.isControlCharacter('\x0d'), isTrue); // RETURN
39      expect(LogicalKeyboardKey.isControlCharacter('\x1b'), isTrue); // ESC
40      expect(LogicalKeyboardKey.isControlCharacter('\x7f'), isTrue); // DELETE
41      // Check non-control characters
42      expect(LogicalKeyboardKey.isControlCharacter('A'), isFalse);
43      expect(LogicalKeyboardKey.isControlCharacter(' '), isFalse);
44      expect(LogicalKeyboardKey.isControlCharacter('~'), isFalse);
45      expect(LogicalKeyboardKey.isControlCharacter('\xa0'), isFalse); // NO-BREAK SPACE
46    });
47    test('Equality is only based on ID.', () async {
48      const LogicalKeyboardKey key1 = LogicalKeyboardKey(0x01, keyLabel: 'label1', debugName: 'key1');
49      const LogicalKeyboardKey key2 = LogicalKeyboardKey(0x01, keyLabel: 'label2', debugName: 'key2');
50      expect(key1, equals(key1));
51      expect(key1, equals(key2));
52    });
53    test('Basic synonyms can be looked up.', () async {
54      expect(LogicalKeyboardKey.shiftLeft.synonyms.first, equals(LogicalKeyboardKey.shift));
55      expect(LogicalKeyboardKey.controlLeft.synonyms.first, equals(LogicalKeyboardKey.control));
56      expect(LogicalKeyboardKey.altLeft.synonyms.first, equals(LogicalKeyboardKey.alt));
57      expect(LogicalKeyboardKey.metaLeft.synonyms.first, equals(LogicalKeyboardKey.meta));
58      expect(LogicalKeyboardKey.shiftRight.synonyms.first, equals(LogicalKeyboardKey.shift));
59      expect(LogicalKeyboardKey.controlRight.synonyms.first, equals(LogicalKeyboardKey.control));
60      expect(LogicalKeyboardKey.altRight.synonyms.first, equals(LogicalKeyboardKey.alt));
61      expect(LogicalKeyboardKey.metaRight.synonyms.first, equals(LogicalKeyboardKey.meta));
62    });
63  });
64}
65