xref: /webtrees/tests/app/Encodings/UTF16LETest.php (revision 5a8afed46297e8105e3e5a33ce37e6a8e88bc79d) 
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2023 webtrees development team
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <https://www.gnu.org/licenses/>.
16 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees\Tests\Encodings;
21
22use Fisharebest\Webtrees\Encodings\AbstractEncoding;
23use Fisharebest\Webtrees\Encodings\UTF16LE;
24use Fisharebest\Webtrees\Encodings\UTF8;
25use PHPUnit\Framework\Attributes\CoversClass;
26use PHPUnit\Framework\TestCase;
27
28use function chr;
29use function dechex;
30use function iconv;
31use function intdiv;
32use function range;
33
34#[CoversClass(AbstractEncoding::class)]
35#[CoversClass(UTF16LE::class)]
36class UTF16LETest extends TestCase
37{
38    public function testToUtf8(): void
39    {
40        $encoding = new UTF16LE();
41
42        foreach (range(0, 0x7F) as $code) {
43            $char     = chr($code % 256) . chr(intdiv($code, 256));
44            $expected = iconv(UTF16LE::NAME, UTF8::NAME, $char);
45            $actual   = $encoding->toUtf8($char);
46
47            static::assertSame($expected, $actual, 'U+' . dechex($code));
48        }
49
50        foreach (range(0x80, 0xFF) as $code) {
51            $char     = chr($code % 256) . chr(intdiv($code, 256));
52            $actual = $encoding->toUtf8($char);
53
54            static::assertSame(UTF8::REPLACEMENT_CHARACTER, $actual, 'U+' . dechex($code));
55        }
56
57        foreach (range(0x100, 0xD7FF) as $code) {
58            $char     = chr($code % 256) . chr(intdiv($code, 256));
59            $expected = iconv(UTF16LE::NAME, UTF8::NAME, $char);
60            $actual   = $encoding->toUtf8($char);
61
62            static::assertSame($expected, $actual, 'U+' . dechex($code));
63        }
64
65        foreach (range(0xD800, 0xDFFF) as $code) {
66            $char     = chr($code % 256) . chr(intdiv($code, 256));
67            $actual = $encoding->toUtf8($char);
68
69            static::assertSame(UTF8::REPLACEMENT_CHARACTER, $actual, 'U+' . dechex($code));
70        }
71
72        foreach (range(0xE000, 0xFFFF) as $code) {
73            $char     = chr($code % 256) . chr(intdiv($code, 256));
74            $expected = iconv(UTF16LE::NAME, UTF8::NAME, $char);
75            $actual   = $encoding->toUtf8($char);
76
77            static::assertSame($expected, $actual, 'U+' . dechex($code));
78        }
79    }
80}
81