xref: /webtrees/tests/app/Encodings/UTF16LETest.php (revision 202c018b592d5a516e4a465dc6dc515f3be37399) 
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
35#[CoversClass(AbstractEncoding::class)]
36#[CoversClass(UTF16LE::class)]
37class UTF16LETest extends TestCase
38{
39    public function testToUtf8(): void
40    {
41        $encoding = new UTF16LE();
42
43        foreach (range(0, 0x7F) as $code) {
44            $char     = chr($code % 256) . chr(intdiv($code, 256));
45            $expected = iconv(UTF16LE::NAME, UTF8::NAME, $char);
46            $actual   = $encoding->toUtf8($char);
47
48            static::assertSame($expected, $actual, 'U+' . dechex($code));
49        }
50
51        foreach (range(0x80, 0xFF) as $code) {
52            $char     = chr($code % 256) . chr(intdiv($code, 256));
53            $actual = $encoding->toUtf8($char);
54
55            static::assertSame(UTF8::REPLACEMENT_CHARACTER, $actual, 'U+' . dechex($code));
56        }
57
58        foreach (range(0x100, 0xD7FF) as $code) {
59            $char     = chr($code % 256) . chr(intdiv($code, 256));
60            $expected = iconv(UTF16LE::NAME, UTF8::NAME, $char);
61            $actual   = $encoding->toUtf8($char);
62
63            static::assertSame($expected, $actual, 'U+' . dechex($code));
64        }
65
66        foreach (range(0xD800, 0xDFFF) as $code) {
67            $char     = chr($code % 256) . chr(intdiv($code, 256));
68            $actual = $encoding->toUtf8($char);
69
70            static::assertSame(UTF8::REPLACEMENT_CHARACTER, $actual, 'U+' . dechex($code));
71        }
72
73        foreach (range(0xE000, 0xFFFF) as $code) {
74            $char     = chr($code % 256) . chr(intdiv($code, 256));
75            $expected = iconv(UTF16LE::NAME, UTF8::NAME, $char);
76            $actual   = $encoding->toUtf8($char);
77
78            static::assertSame($expected, $actual, 'U+' . dechex($code));
79        }
80    }
81}
82