xref: /webtrees/tests/app/Encodings/UTF16LETest.php (revision 6930e9b42b9925bfc3a874fc2aaa59aabd0d2418) 
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2022 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\UTF16LE;
23use Fisharebest\Webtrees\Encodings\UTF8;
24use PHPUnit\Framework\TestCase;
25
26use function chr;
27use function dechex;
28use function iconv;
29use function intdiv;
30use function range;
31
32/**
33 * Tests for class UTF16LE.
34 */
35class UTF16LETest extends TestCase
36{
37    /**
38     * @covers \Fisharebest\Webtrees\Encodings\AbstractEncoding
39     * @covers \Fisharebest\Webtrees\Encodings\UTF16LE
40     *
41     * @return void
42     */
43    public function testToUtf8(): void
44    {
45        $encoding = new UTF16LE();
46
47        foreach (range(0, 0x7F) as $code) {
48            $char     = chr($code % 256) . chr(intdiv($code, 256));
49            $expected = iconv(UTF16LE::NAME, UTF8::NAME, $char);
50            $actual   = $encoding->toUtf8($char);
51
52            static::assertSame($expected, $actual, 'U+' . dechex($code));
53        }
54
55        foreach (range(0x80, 0xFF) as $code) {
56            $char     = chr($code % 256) . chr(intdiv($code, 256));
57            $actual = $encoding->toUtf8($char);
58
59            static::assertSame(UTF8::REPLACEMENT_CHARACTER, $actual, 'U+' . dechex($code));
60        }
61
62        foreach (range(0x100, 0xD7FF) as $code) {
63            $char     = chr($code % 256) . chr(intdiv($code, 256));
64            $expected = iconv(UTF16LE::NAME, UTF8::NAME, $char);
65            $actual   = $encoding->toUtf8($char);
66
67            static::assertSame($expected, $actual, 'U+' . dechex($code));
68        }
69
70        foreach (range(0xD800, 0xDFFF) as $code) {
71            $char     = chr($code % 256) . chr(intdiv($code, 256));
72            $actual = $encoding->toUtf8($char);
73
74            static::assertSame(UTF8::REPLACEMENT_CHARACTER, $actual, 'U+' . dechex($code));
75        }
76
77        foreach (range(0xE000, 0xFFFF) as $code) {
78            $char     = chr($code % 256) . chr(intdiv($code, 256));
79            $expected = iconv(UTF16LE::NAME, UTF8::NAME, $char);
80            $actual   = $encoding->toUtf8($char);
81
82            static::assertSame($expected, $actual, 'U+' . dechex($code));
83        }
84    }
85}
86