function HtmlTest::providerTestCleanCssIdentifier

Provides test data for testCleanCssIdentifier().

Return value

array Test data.

File

core/tests/Drupal/Tests/Component/Utility/HtmlTest.php, line 64

Class

HtmlTest

Tests \Drupal\Component\Utility\Html.

Namespace

Code

public static function providerTestCleanCssIdentifier() {
    $id1 = 'abcdefghijklmnopqrstuvwxyz_ABCDEFGHIJKLMNOPQRSTUVWXYZ-0123456789';
    $id2 = '¡¢£¤¥';
    $id3 = 'css__identifier__with__double__underscores';
    return [
        // Verify that no valid ASCII characters are stripped from the identifier.
[
            $id1,
            $id1,
            [],
        ],
        // Verify that valid UTF-8 characters are not stripped from the identifier.
[
            $id2,
            $id2,
            [],
        ],
        // Verify that double underscores are not stripped from the identifier.
[
            $id3,
            $id3,
        ],
        // Verify that invalid characters (including non-breaking space) are
        // stripped from the identifier.
[
            'invalid_identifier',
            'invalid_ !"#$%&\'()*+,./:;<=>?@[\\]^`{|}~ identifier',
            [],
        ],
        // Verify that an identifier starting with a digit is replaced.
[
            '_css_identifier',
            '1css_identifier',
            [],
        ],
        // Verify that an identifier starting with a hyphen followed by a digit is
        // replaced.
[
            '__css_identifier',
            '-1css_identifier',
            [],
        ],
        // Verify that an identifier starting with two hyphens is replaced.
[
            '__css_identifier',
            '--css_identifier',
            [],
        ],
        // Verify that passing double underscores as a filter is processed.
[
            '_css_identifier',
            '__css_identifier',
            [
                '__' => '_',
            ],
        ],
    ];
}